Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

De 160,941 opiniones, los clientes califican nuestro Full Stack Developers 4.9 de un total de 5 estrellas.
Contratar a Full Stack Developers

Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

De 160,941 opiniones, los clientes califican nuestro Full Stack Developers 4.9 de un total de 5 estrellas.
Contratar a Full Stack Developers

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    89 trabajos encontrados

    Estamos buscando un profesional técnico senior o semi-senior avanzado con experiencia comprobable en ciberseguridad aplicada a aplicaciones web y conocimientos full stack para un proyecto de auditoría y fortalecimiento de seguridad. La plataforma es un sistema web privado en desarrollo, diseñado para la gestión operativa, documental y financiera de transporte, que maneja login por roles, paneles internos, gestión de usuarios, documentos, reportes, integraciones externas y datos sensibles de clientes. Las responsabilidades principales del proyecto incluyen: Auditar la seguridad general de una aplicación web moderna, identificando posibles puntos débiles. Revisar exhaustivamente los sistemas de autenticación, gestión de sesione...

    $1002 Average bid
    $1002 Oferta promedio
    181 ofertas

    Sitio web responsivo premium desarrollado con ingeniería de software, maquetación dinámica y optimización avanzada de carga para videos corporativos, logos y mapas interactivos. Enlace/URL del proyecto:

    $38 Average bid
    $38 Oferta promedio
    30 ofertas
    casino dev front
    23 horas left
    Verificado

    quiero crear un casino online, necesito un front-end copiar y de ese mismo 10 links con diferente logos y color tengo backoffice para integrar + documentacion API que se debe agregar pero si o si necesito copiar un diseño que ya esta en el mercado, necesito saber costo

    $18 / hr Average bid
    $18 / hr Oferta promedio
    100 ofertas

    Claude Code Developer — Build a Web Application (MVP, with ongoing work) Overview We are an IT services company based in San Antonio, Texas. We're building a new web-based application and need an experienced developer who works with Claude Code to build it. We already have a detailed product specification written. We need someone to turn it into a working first version (MVP), with strong potential for ongoing work on later phases. We’ve kept this posting general on purpose. We have a complete spec and will share the full project details with candidates we shortlist — right now we’re focused on finding the right developer. The work This is a full-stack web application build. The MVP includes the kinds of features you’d expect in a modern web tool: - Use...

    $1500 - $3000
    Destacado Urgente Sellado Acuerdo de Confidencialidad
    $1500 - $3000
    20 ofertas

    I’m ready to move our project-management SaaS from working prototype to production-ready MVP and need a seasoned full-stack developer to make it happen. The core of the product is already live, but its most exciting piece—AI-driven project assistance powered by computer vision—is only half-built. Your mission is to finish that integration, streamline performance across the stack, and leave the codebase clean, documented, and easy to scale. We work primarily in Python on the back end and JavaScript on the front end, so deep fluency in both is non-negotiable. If you’re comfortable weaving together a modern Python framework (think Django or FastAPI) with a React or Vue interface, you’ll feel right at home. You should also be confident designing and consuming RES...

    $484 Average bid
    $484 Oferta promedio
    123 ofertas

    Hiring: Senior Backend / Full Stack Developer (Full-Time) We are hiring Only Individual Developer. Not agency/Company Looking for a highly skilled Backend or Full Stack Developer to join an active visa booking automation project. Must have: * Strong Node.js backend development experience * Advanced API integration and reverse engineering skills * Authentication, OTP, webhook, and payment workflow experience * Database architecture and system scaling knowledge * Ability to understand and extend an existing codebase independently This is not a beginner role. Apply only if you have built complex automation systems and can deliver production-ready work. We are hiring developers From India/Bangladesh/usa only. Note: do not apply if you’re not from This place. Salary is Negotiable....

    $679 Average bid
    $679 Oferta promedio
    28 ofertas

    Project Overview We are building a next-generation Real Estate Rental Platform that digitizes the entire rental lifecycle, including property listings, tenant onboarding, lease management, rent payments, maintenance management, analytics, and Web3-based property tokenization. We are looking for an experienced Full-Stack Developer or Development Team to build the MVP and potentially continue into a long-term partnership. Key Features • Property listing and search platform • Tenant registration and verification • Digital lease management and e-signatures • Rent payment system and financial dashboards • Maintenance request management • In-app messaging and notifications • Analytics and reporting dashboard • Web3 integration for tokenized real estate...

    $34 / hr Average bid
    $34 / hr Oferta promedio
    69 ofertas

    Full Stack Developer Needed – Glass Railing Configurator & Shopify Integration Project Overview We are FMF Glass Hardware, a Canadian supplier of architectural glass hardware products serving contractors, glass companies, and builders across North America. We are looking for an experienced Full Stack Developer (or small development team) to build Phase 1 of a web-based Glass Railing Configurator that will integrate directly with our Shopify website. This project is NOT intended to be a highly advanced CAD software or engineering platform. We are looking for a practical, user-friendly business tool that helps customers design railing layouts, automatically select products from our inventory, generate a bill of materials (BOM), and place orders through Shopify. --- Phase 1 Sc...

    $3891 Average bid
    $3891 Oferta promedio
    103 ofertas
    Full Stack Developer
    6 días left
    Verificado

    I need an experienced full-stack developer who can dive straight into our live Repsly retail-execution platform and squash a handful of production bugs before the weekend is over. Top priority is the Insights Dashboard: data pulled from our internal database and several external APIs simply refuses to load, leaving the widgets blank. Once that’s stable, I also need you to: • Correct a CSS/layout glitch inside the Field Team Management view so rows and buttons stop shifting on resize. • Track down why our order-submission endpoint (Node.js/Express) throws intermittent 500s and patch it. • Eliminate the multi-minute data-sync lag between the React Native mobile app and the web dashboard. • Stop the mobile crash when field reps attach photos during in-store a...

    $138 Average bid
    $138 Oferta promedio
    184 ofertas

    Freelance Web Developer Needed – Sports Prediction Website Development () Project Overview I am looking for an experienced web developer to build a standalone sports prediction website for flashscorebet.ng. I already have: • Domain name ready • Premium Linux cPanel hosting ready • Sports prediction / betting tips API ready This project is NOT a betting company platform. The goal is to build a professional football prediction website that provides betting tips, prediction content, bookmaker promotions, and affiliate monetization. Project Scope The website should be modern, mobile-friendly, fast, SEO optimized, and designed to scale as traffic grows. Core Features Required Homepage Features * Modern responsive homepage * Featured predicti...

    $179 Average bid
    $179 Oferta promedio
    38 ofertas

    I'm running a web project for a client and need a reliable developer to join me long-term. I'm currently handling everything myself and need an extra pair of hands to keep the work steady and on schedule. For European and American developers only (Developers from India, Pakistan, Bangladesh, Ukraine, and Serbia need not apply.) Stack: Laravel, Vue, MySQL What you'll do: Build and maintain features, write clean and maintainable code, fix bugs, and work with me on the database and API side. You'll be a real part of the project, not just one-off tasks. What I'm looking for: Solid hands-on experience with Laravel and Vue, comfortable with MySQL, and able to work independently once a task is clear. Good written and spoken English is important since we'll communic...

    $443 Average bid
    $443 Oferta promedio
    202 ofertas

    I need an experienced mobile app developer to build a professional Android and iOS social networking app. Main expected features: User side: - User signup/login - User profile - Browse host/creator profiles - Live chat - Audio calling - Video calling - Real-time messaging - Wallet recharge/top-up - In-app purchases - Call timer - Automatic balance deduction during chat/call - Rating and review system - Report/block user - Push notifications Host/Creator side: - Host signup/login - Host profile creation - Photo/video upload - Online/offline status - Accept/reject chat, audio call, and video call requests - Host availability status - Earning dashboard - Per-minute earning system - Chat/call history - Withdrawal request system - Bank/UPI details submission - KYC/document verification if r...

    $602 Average bid
    $602 Oferta promedio
    51 ofertas

    Job Title ​MVP Development: Mobile-Responsive Technician Checklist & PDF Generator (Phase 1) ​Job Description ​We are seeking a skilled Full-Stack Developer or small team to build Phase 1 (The Core MVP) of a localized property safety compliance tool. ​To ensure a clean, high-quality delivery, we have scaled back the project scope strictly to a standalone Technician Field Portal and Dynamic PDF Engine. We are bypassing all third-party CRM software integrations (PropertyMe/PropertyTree) and public client dashboards for this phase. ​Your sole focus will be building a rock-solid tool that allows our field technicians to perform safety inspections digitally on their phones, save their progress offline, and instantly output professional compliance certificates. ​Core Deliverables (Phase 1 On...

    $123 Average bid
    $123 Oferta promedio
    145 ofertas

    I am looking for an experienced full-stack developer to fix an urgent backend issue on my subscription-based website and potentially work with me long-term on a full rebranding project in the coming weeks. --- **URGENT ISSUE (Top Priority):** My website runs on a React frontend with a Supabase backend and Mollie as the payment processor. The following bugs are occurring: - Active subscriptions are disappearing from the Supabase database without being cancelled by the customer or myself - New subscriptions are sometimes not being added to the subscription list correctly - The total subscription count is not updating properly I need someone who can: 1. Log into Supabase immediately and investigate why subscriptions are being deleted or deactivated automatically 2. Identify the root caus...

    $144 Average bid
    $144 Oferta promedio
    204 ofertas

    I’m ready to launch a new venture whose entire value proposition is anchored on one person’s standout skill. If you are already operating at a mastery level—whether that is in software development, digital marketing, graphic design, or another niche you can prove superior in—I want to wrap an entire business model around what you do best. We will work in a hybrid style: some sessions will be face-to-face for deep-dive strategy and creative sprints, while day-to-day execution can remain remote. Timing is critical; I’d like to move from first conversation to a validated proof of concept as quickly as humanly possible. What I need from you right away • A concise presentation that demonstrates your signature skill and how it can translate into a scal...

    $68 Average bid
    $68 Oferta promedio
    16 ofertas

    Project Title: Full-Stack Developer Needed for Existing Platform – Project Description: I am looking for an experienced Full-Stack Developer to continue development of my existing platform, AllPanelexch8.com. The project is already live, and I have the complete source code available. Due to a developer change, I need a reliable developer who can review the existing codebase, understand the project architecture, and continue development from the current stage. Current Status: - Live website: - Frontend is already developed. - Source code is available. - Existing deployment is running. - Project needs continuation, optimization, bug fixing, and completion of remaining modules. Required Skills: - React.js / - Node.js - - REST API Integration - Database Management - Authentica...

    $1106 Average bid
    $1106 Oferta promedio
    80 ofertas

    Need a Mern stack, Nextjs, Zustand professional to make our vibe coded app production Ready

    $263 Average bid
    $263 Oferta promedio
    53 ofertas

    I need a responsive web application built around a Unilevel-based MLM model. The first priority is a rock-solid user registration and account-management module: new sign-ups should flow smoothly, profiles must be editable, and every action has to be logged for compliance. The commission engine follows a classic Unilevel structure. Each customer will be able to refer others, accrue commissions on their direct and indirect sales according to configurable percentage tiers, and view their running totals in real time. The logic must be transparent and easy for me to adjust later from the database or an admin panel. For now, the only active role in the system is Customer, yet the architecture should leave room to introduce Admin and Distributor levels without major refactoring. Clean role-...

    $9 / hr Average bid
    $9 / hr Oferta promedio
    53 ofertas

    ChessMaster — Full Project Description ChessMaster is a full-stack multiplayer chess web application built with Node.js, Express, MongoDB, and Socket.io. It supports offline, bot, and live online matches with real-time gameplay, user authentication, and game history tracking. Tech Stack Backend: Node.js, , Database: MongoDB with Mongoose Frontend: EJS templating, Tailwind CSS, vanilla JavaScript Chess Engine: (game logic), Stockfish (bot AI via Web Worker) Auth: express-session, connect-mongo, connect-flash Features Authentication & Profiles User registration and login with session-based authentication Profile setup with username, full name, country, bio, and date of birth Separate ratings for Rapid, Blitz, and Bullet time controls Friend request system between users Game...

    $84 Average bid
    $84 Oferta promedio
    49 ofertas

    I need a cross-platform mobile application that runs smoothly on both iOS and Android, from first sketch through to App Store and Google Play release. The scope covers initial discovery, UX/UI design, full-stack development, testing on real devices, and store submission with ongoing post-launch support options. To be considered, send a detailed project proposal that explains: • the development framework you recommend (e.g., Flutter, React Native, Swift/Kotlin with shared logic, etc.) and why it fits this project • a phased timeline with clear milestones—from wireframes and interactive prototypes to beta testing and final deployment • your quality-assurance process, including how you will handle device fragmentation, performance optimisation, and App Store review g...

    $1072 Average bid
    $1072 Oferta promedio
    86 ofertas

    I’m building a full-stack web platform that sells access to an in-house large-language-model (LLM). The site’s core is e-commerce, but instead of one-off product sales I need subscription services with clear, tiered plans (think “Starter”, “Pro”, “Enterprise”). Each tier will unlock a different usage quota to the model, so the paywall must integrate tightly with the API gateway that fronts the LLM. Scope of work • Design a responsive customer-facing site where visitors can learn about the model, compare tiers, and sign up. • Implement secure user authentication, payment processing, and a dashboard where subscribers can view remaining tokens, upgrade/downgrade, or cancel. • Build the back-end that meters requests to the L...

    $291 Average bid
    $291 Oferta promedio
    57 ofertas

    Inquiry: White-Label Betting Website Development for the Bangladeshi Market ​ ​I am looking to launch an online betting and iGaming platform tailored specifically for the Bangladeshi market. ​Our goal is to build a platform similar in functionality, user experience, and design to 66zz. To achieve this, the platform must include the following key integrations: ​Game APIs & Aggregators: A comprehensive selection of popular providers, specifically focusing on Slots and Live Casino, including PG Soft, Jili Games, and Saba Sports. ​Localized Payment Gateway: Seamless integration with Bangladesh’s primary local payment methods (including bkash, Nagad, and Rocket) for automated or semi-automated deposits and withdrawals.

    $441 Average bid
    $441 Oferta promedio
    65 ofertas
    Complete Date-Palm Farm System
    5 días left
    Verificado

    I already have a working prototype, a tested PostgreSQL backend with a REST API, and a complete clickable UI design (web + mobile) with a written style guide. I need a developer to take it over the finish line so our date-palm farm runs entirely from one platform. The core still missing is the operational layer wired end-to-end. Each palm must move through registry → daily operations → harvest → sales without a hiccup, recording every step of the cycle (pollination, thinning, bagging, harvest, sorting) while keeping data consistent across browser, Android and iOS on ONE PostgreSQL database. The system is unified by two shared keys: a Tree ID (before harvest) and a Lot ID (after harvest); harvest hands the key from tree to lot. Pollination, harvest and sorting are the most ...

    $250 - $750
    Sellado
    $250 - $750
    139 ofertas

    I'm seeking a Senior Full-Stack/WordPress Web Developer to build a comprehensive online banking website. The site will cater to various services, including: - Car Loans - Home Loans - Personal Loans - Insurance (Health & Term) - Used Car Loans - RTO Services Key functionalities required: - User Account Management: Secure login, profile management, and transaction history. - Service Integration: Detailed sections for each financial product with application forms. - Blog Integration: Regular updates and articles related to the banking sector. Ideal Skills & Experience: - Proven experience in developing secure, user-friendly banking or financial websites. - Expertise in WordPress and full-stack development. - Strong understanding of UI/UX principles, especially for financial...

    $231 Average bid
    $231 Oferta promedio
    77 ofertas

    Web Development Agency – Commission-Based Partners Needed We are building a web development and digital solutions agency focused on delivering websites, SaaS tools, and business automation systems for small and medium-sized businesses. We are currently looking to collaborate with 2–3 motivated partners to support client acquisition and brand growth. 1. Full-Stack Developer (Role Covered Internally) Website and SaaS development Frontend and backend development Deployment and maintenance Product development and technical execution 2. Sales / Lead Generation Partner (Commission Based) Responsibilities: Identify potential clients (local businesses, schools, clinics, startups) Handle outreach via calls, WhatsApp, email, and LinkedIn Generate and close deals Maintain consistent ...

    $73 Average bid
    $73 Oferta promedio
    23 ofertas

    We need to develop a web-based MVP (Minimum Viable Product) to generate a Health Technical Note for contracts in Colombia, following Decree 441 of 2022. The goal is to build a practical, scalable, and business-focused solution. It should help technical teams (EPS/IPS) to create, adjust, negotiate, and finalize a technical note mainly based on: RIPS data processing Population analysis Frequency and severity calculation Technical adjustments with tracking (traceability) Scenario generation Final PDF generation Monitoring and follow-up Important: This project is NOT about building a complete system from the start. We need a functional, easy-to-use, and market-ready MVP, with a structure that can be improved and expanded in the future. More details are provided in the attached PDFs.

    $96 Average bid
    $96 Oferta promedio
    63 ofertas

    We are looking for an experienced web developer or development team to help build an investment platform web application. The platform will be designed to provide a seamless and secure environment for users to invest in various assets, view portfolio performance, and track market data in real-time. This is a full-stack web application, and we expect the developer to have experience in both front-end and back-end development. The project requires integration with financial data providers for real-time stock/asset prices, a user-friendly interface, secure account management, and investment tracking tools. Key Features: User Registration and Authentication: Secure sign-up/login with multi-factor authentication. Investment Dashboard: A clean, user-friendly dashboard where users can view thei...

    $1352 Average bid
    $1352 Oferta promedio
    360 ofertas

    comprehensive Bakery Production Management application. This application aims to streamline the planning, management, and monitoring of the entire production process and operations for a medium-scale B2B bakery. It covers recipe management, base product and packaged product definition, production planning with batch-specific parameters, inventory control, and distribution management. 2. App Definition The Bakery Production Management application is designed to: Manage Recipes: Create, store, and manage bread and other bakery recipes, including ingredient specifications and baker's percentages (dough types). A recipe is a formula to be used later on, to calculate the actual weighing quantities, after creating a specific batch that will be calculated based on the quantities of the Bas...

    $634 Average bid
    $634 Oferta promedio
    61 ofertas

    # Threads Fashion – Full-Stack E-Commerce Platform Live Demo: Threads Fashion is a production-ready e-commerce platform built with React, Spring Boot, and MongoDB. The application delivers a complete online shopping experience with secure authentication, payment processing, order management, and administrative controls. Key Highlights: • Modern responsive UI built with React 18 and Vite • Secure JWT authentication and Role-Based Access Control (RBAC) • Razorpay payment gateway integration • Twilio OTP verification and email notifications • Product, order, and customer management dashboard • Device tracking and active session management • Dockerized deployment architecture • RESTful API documentation with Swagger/OpenAPI • MongoDB Atlas...

    $94 Average bid
    $94 Oferta promedio
    34 ofertas

    I need a skilled developer who can take my concept from ideas on paper to a fully functioning, responsive website. Because I’m still refining the exact purpose—whether that ends up being a storefront, a blog, a portfolio, or a blend of these—I’m looking for someone comfortable guiding discovery sessions, proposing suitable stacks, and then building the chosen solution end-to-end. What I already have: • A clear vision of my brand’s tone and color palette • Draft copy for the main pages • Hosting and domain in place What I need from you: 1. Early-stage consultation to lock in site goals, architecture, and tech stack (React / , Vue, Laravel, WordPress, or another platform you recommend). 2. Responsive front-end design that looks sharp o...

    $2067 Average bid
    $2067 Oferta promedio
    215 ofertas

    # Freelance Technical Interviewer Required – Full Stack Developer Hiring We are looking for an experienced Technical Interviewer / Engineering Consultant to assist our organization in hiring Full Stack Developers for a Healthcare Technology Platform. ## About Us We are a US Healthcare Revenue Cycle Management (RCM) organization building next-generation SaaS products focused on healthcare operations, financial workflows, automation, and AI-driven productivity solutions. ## Requirement We are seeking a freelance technical expert who can: * Screen developer resumes and shortlist suitable candidates. * Conduct technical interviews independently. * Evaluate coding, architecture, database, and system design skills. * Assess candidates based on real-world development experience. * Sub...

    $107 Average bid
    $107 Oferta promedio
    56 ofertas

    I want to develop a multi-language (English, Marathi, Hindi) full-stack mobile-responsive web application called "Connecto". Key features required: 1. User Profiles for Wholesaler, Retailer, and Delivery Partner. 2. Shop registration with location and category. 3. Automated matching system to connect retailers with wholesalers within 24 hours. Looking for an expert developer who can design the UI and build the complete system.

    $110 Average bid
    $110 Oferta promedio
    47 ofertas

    I’m spinning up an AI-powered SaaS that surfaces actionable insights and analytics for end-users, and I’m ready to move fast with a compact execution team that can cover both sides of the stack. The build will revolve around React on the frontend and Node.js on the backend, so your fluency with that pairing is essential. Within our first sprint I need the core workflow live: • Secure user authentication • A responsive dashboard that visualises the analytics returned by our AI layer (you’ll wire to the external AI API I provide) • Stripe payment flows for subscriptions and upgrades • An internal admin panel to manage customers, usage and billing Every screen must be fully responsive and polished; mobile and desktop parity is non-negotiable. ...

    $280 Average bid
    $280 Oferta promedio
    82 ofertas

    I want to develop a multi-language (English, Marathi, Hindi) full-stack mobile-responsive web application called "Connecto". Key features required: 1. User Profiles for Wholesaler, Retailer, and Delivery Partner. 2. Shop registration with location and category. 3. Automated matching system to connect retailers with wholesalers within 24 hours. Looking for an expert developer who can design the UI and build the complete system.

    $102 Average bid
    $102 Oferta promedio
    48 ofertas

    I’m looking for an experienced full-stack developer or team to create a Version 2.0 SaaS platform inspired by , but with enhanced features and scalability. The platform should include: Core Features: - Facebook page connection via API - Multi-account and multi-page management - TikTok, Instagram, YouTube Shorts content import - Auto reel downloading and scheduled posting - Bulk page management and queue system Advanced Features: - AI-generated captions, hashtags, and title rewriting - Duplicate content detection and viral score prediction - Auto translation, comment pinning, and first comment posting Agency Features: - User accounts, reseller accounts, client management - Token/credit-based billing system with Stripe/Crypto payments - Usage analytics and profit tr...

    $394 Average bid
    $394 Oferta promedio
    65 ofertas

    Summary We are looking for an experienced Full-Stack Developer who actively leverages AI tools to accelerate development, improve code quality, and deliver high-quality products efficiently. This is a long-term engagement requiring approximately 4 hours per day. We are building and scaling multiple web and mobile applications, so we're looking for someone who can take ownership and work independently. Requirements Strong experience in Full-Stack Development Proficient in Node.js, React, React Native, Experience with databases such as MongoDB, PostgreSQL, MySQL Hands-on experience with AWS (EC2, S3, IAM, RDS, CloudFront, etc.) Strong understanding of REST APIs, authentication, security, and system architecture Experience with Git, GitHub, code reviews, and CI/CD Comfortable using AI...

    $3 / hr Average bid
    $3 / hr Oferta promedio
    77 ofertas

    I want to launch a dedicated freelance marketplace that puts freelancers first. The platform should make it effortless for independent professionals to showcase their skills and connect with paying work in a streamlined, trustworthy environment. I’m looking for an end-to-end solution: architecture, UI/UX, front- and back-end coding, plus basic deployment guidance so I can keep the site running smoothly after hand-over. While I have a clear vision of the overall goal, I’m still refining the exact feature set, so your input on best-practice functionality, security, and scalability will be highly valued. Please outline: • Your preferred tech stack and why it suits a marketplace model • A rough timeline for MVP delivery • Previous marketplace or multi-ven...

    $31 / hr Average bid
    $31 / hr Oferta promedio
    270 ofertas

    You will dive into Java-based services built with Spring, JEE, and JPA, exposing functionality through both REST and legacy SOAP endpoints. Clean, reusable, and thoroughly tested code is essential because these services feed a Spartacus-driven storefront as well as multiple third-party integrations. Key objectives for this engagement • Analyze current implementations, identify pain points, and propose technical improvements that align with Hybris best practices. • Implement those improvements in modular, maintainable code, following the platform’s extension structure. • Keep unit and integration test coverage meaningful so future upgrades happen smoothly. • Document changes clearly for the in-house team that will maintain the platform long-term. Acce...

    $474 Average bid
    $474 Oferta promedio
    249 ofertas

    Looking for skilled partners to help with behavioral & technical interviews for US companies. Major Requirements: - Strong technical background in software development - Excellent English communication skills - Professional presentation abilities - Based in Latin America or North America - Available during US business hours (Preferred) What We Offer: - $2,000-3,000+ monthly income potential - Remote work - Long-term partnership opportunity - Performance-based compensation Most Preferred Region: Argentina, Mexico, Colombia, Brazil, Chile, US, Canada Possible Regions: Uruguay, Peru, Costa Rica, Panama, Ecuador, Paraguay, Bolivia, Dominican Republic, Guatemala Serious candidates only. Please apply with your technical background and communication experience. Every qualified engineer w...

    $33 / hr Average bid
    $33 / hr Oferta promedio
    32 ofertas

    I’m turning a solid business idea into a responsive, fast digital platform whose first mission is to boost operational efficiency. To get there, I need a developer who can: • Design a robust web architecture and a clean, maintainable codebase. • Build a user-friendly CMS that lets non-technical staff update content with confidence. • Integrate the platform with Customer Relationship Management (CRM), Enterprise Resource Planning (ERP), and payment gateways—each fully tested and documented. • Provide clear deployment instructions plus concise technical documentation so the system remains scalable. Primary goal: every feature should cut manual effort, reduce errors, and streamline data flow across teams. If you can demonstrate direct experience (penga...

    $22 / hr Average bid
    $22 / hr Oferta promedio
    177 ofertas

    I have a web application that is approximately 70% complete and I'm looking for an experienced full-stack developer to help bring it across the finish line. The application is a business management platform that enables companies to manage projects, clients, teams, and workflows from a single system. The core architecture, design system, and primary functionality are already built on a clean, well-structured codebase. This is not a project that needs to be rebuilt—I'm looking for someone who can quickly understand the existing architecture and continue development efficiently. The completed functionality includes user authentication, client and account management, project management, team and department management, an admin panel, a workflow automation engine, and an anal...

    $33 / hr Average bid
    $33 / hr Oferta promedio
    366 ofertas

    Senior Full-Stack Developer Worldwide Black Car (WBC) | Remote | Fixed-Price Contract We are building Worldwide Black Car, a global SaaS platform for licensed chauffeured transportation. 20 microservices, 10 AI services, 6 frontend apps, proprietary Ride Alert dispatch system. Full specification attached. Stack - TypeScript, Fastify, Python, FastAPI, React Native iOS and Android, React web - PostgreSQL row-level security, Kafka, Redis, Docker, Kubernetes, AWS - Stripe Connect split payouts, Twilio, SendGrid, Firebase FCM - 5 or more years of verified production experience with live applications Preferred Prior experience in black car, limousine, chauffeur, or ride-hailing software development is the top differentiator. State it clearly. To apply Include your most relevant live project...

    $1394 Average bid
    $1394 Oferta promedio
    222 ofertas

    I need a professional, modern website built from the ground up. I am still finalising details such as the site’s primary purpose, feature set, and preferred CMS, so I value a developer who can guide those early-stage decisions and suggest best-practice solutions on structure, design, and scalability. You will handle everything from initial wireframes through to responsive front-end, back-end logic, and deployment on my hosting. Security, performance optimisation, and clean, maintainable code are must-haves. Once the key requirements are locked in, I will share site architecture and any brand assets so we can move quickly into development. Please include in your proposal: • Brief outline of your typical workflow • Examples of sites you have built that reflect different pur...

    $2114 Average bid
    $2114 Oferta promedio
    215 ofertas

    I’m putting together a web-based store that sells downloadable digital products only, so everything from browsing to purchase to file delivery has to happen seamlessly online. I need a full-stack developer who can take the idea from zero to a live, secure, and scalable e-commerce site. On the front end, I expect a modern, responsive interface that feels fast and intuitive across desktop and mobile browsers. React, Vue, or a similarly dynamic framework is ideal, paired with clean, accessible HTML/CSS. The back end should handle user authentication, product management, payment processing, and automated digital-file fulfilment. I’m comfortable with Node.js, Django, or Laravel stacks—choose the one you work fastest with and that fits the scale of the project. Key deliverabl...

    $26 / hr Average bid
    $26 / hr Oferta promedio
    114 ofertas
    Full-Stack SaaS App Build
    3 días left
    Verificado

    I am putting together a brand-new SaaS platform and need a developer who can take the project from blank repo to production-ready release. The core scope is clear: • Build a secure user authentication flow (signup, login, password reset, email verification) with role-based access for Admin, User and Guest • Integrate a reliable payment processing solution so customers can subscribe, upgrade, pause or cancel plans inside the app • Deliver an analytics module that turns raw usage data into meaningful charts and metrics for both end users and admins On the front end I want everything written in React. You are free to choose the most sensible back-end stack (Node, Django, Laravel—whatever you are fastest with) as long as it pairs smoothly with React and scales withou...

    $144 Average bid
    $144 Oferta promedio
    200 ofertas

    I need an experienced Django full-stack developer to move my existing real-estate website—currently running property search and filter functionality—onto a new DigitalOcean setup. The codebase is stable, written in Python with Django and PostgreSQL/MySQL support, and we already maintain a comprehensive automated test suite that must pass unchanged after migration. Your work will involve: • Re-creating the production environment on DigitalOcean (Droplets, managed database, object storage or equivalents as needed). • Handling database export/import and verifying data integrity and search performance. • Configuring CI/CD so our current tests run automatically on each deploy. • Hardening security, setting up backups, monitoring, and providing clear hand-...

    $257 Average bid
    $257 Oferta promedio
    56 ofertas

    Core required Senior full-stack web — TypeScript, Node, React, Vite, Express, Drizzle, SQLite/Postgres Multi-tenant SaaS architecture — auth (OAuth/JWT), user namespacing, row-level access control, SQLite → Postgres migration Payments and metering — Stripe (or adult-friendly equivalents like CCBill, Segpay, Epoch), subscription webhooks, credit systems, per-feature usage metering GPU infrastructure / ML ops — RunPod, Modal, Replicate, or Kubernetes + bare-metal GPU; queueing, autoscaling, cold-start handling, retry/backoff ComfyUI — workflow JSON editing by node ID, custom node management, model file management, VACE for face swap Media storage and delivery — S3 / R2, CDN (CloudFront / ), signed URLs, retention policies FFmpeg / video pipeline &mda...

    $24 / hr Average bid
    $24 / hr Oferta promedio
    85 ofertas
    Client-Facing Full Stack Developer
    3 días left
    Verificado

    I lead a growing software consulting agency and need a mid-level full stack developer who can split time between writing production-ready code and speaking directly with clients. The bulk of our engagements revolve around new and existing web applications, so you should already feel at home discussing architecture, sprint goals, and delivery timelines in that context. Day to day, you will join requirements workshops, participate in technical interviews with prospective customers, and then dive straight into implementation. Clear, professional English is essential; many conversations happen live on Zoom during EST business hours and I rely on you to interpret business goals quickly, suggest practical solutions on the spot, and follow through with clean, maintainable code. I’m lookin...

    $33 / hr Average bid
    $33 / hr Oferta promedio
    291 ofertas

    We are building a medium level Political Community-Based Social Platform for Member, Volunteers, Leaders, and Organization teams. The platform is not a public social media app. it is a controlled community platform with role-based access, geographic hierarchy, membership management, social media features, Daily and regular activities task and management, Surveys, reports, notifications, media sharing, and administrative dashboard. we are looking for experienced developer who can design, architect, and build a scalable production-ready platform with MVVM Clean architecture. The Developer ready to commit start this project from zero to publish on the available APPs Store in India Like Play Store App Store and Indus Store ETC.. Key Skills Required Flutter, Dart, Riverpod, Node.js, NestJ...

    $352 Average bid
    $352 Oferta promedio
    74 ofertas

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