Backend Developers para contratar
Mostrando 609 resultados
Freelancers patrocinados
-
Contratar winmaclin
⭐ Top 2% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted...⭐ Top 2% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO menos -
Contratar anirudhat
I build clean, functional solutions fast across the full stack. Specializing in: - Web: React, Next.js, Node.js, Python, PHP, Ruby on Rails, Golang, Laravel, Django, WordPress, Vue.js - Mobile: React Native, Flutter, Android (Kotlin), iOS (Swift), Dart - AI & Machine Learning: LLM integrations (Claude, OpenAI,...I build clean, functional solutions fast across the full stack. Specializing in: - Web: React, Next.js, Node.js, Python, PHP, Ruby on Rails, Golang, Laravel, Django, WordPress, Vue.js - Mobile: React Native, Flutter, Android (Kotlin), iOS (Swift), Dart - AI & Machine Learning: LLM integrations (Claude, OpenAI, Gemini), RAG pipelines, LangChain, vector databases, prompt engineering, chatbots, NLP, OCR, generative AI - APIs & Integrations: REST, GraphQL, payment gateways (Stripe, PayPal, Razorpay), Twilio, SendGrid, third-party services - Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Nginx, Linux server administration, Cloudflare - E-commerce & CRM: WooCommerce, OpenCart, Magento, Odoo, Prestashop, Point of Sale systems - Databases: MySQL, PostgreSQL, MongoDB, MariaDB, Elasticsearch, SQLite, Redis, Microsoft SQL Server - Trading & Finance: MetaTrader 4/5, MQL4/5, Pine Script, NinjaTrader, OpenClaw, backtesting, trading bots - Data & Automation: Excel/Google Sheets automation, dashboards, data analysis, workflow automation I focus on understanding your requirements clearly, delivering working code, and communicating progress throughout. menos -
Contratar kareemmaize
Great software starts with more than good code. It takes the right architecture, clear technical decisions, and someone who can carry the product from idea to production without losing sight of the business goal. I’m a Senior Full-Stack & AI Engineer with 10+ years of experience building complex web platforms, mobile...Great software starts with more than good code. It takes the right architecture, clear technical decisions, and someone who can carry the product from idea to production without losing sight of the business goal. I’m a Senior Full-Stack & AI Engineer with 10+ years of experience building complex web platforms, mobile applications, AI-powered products, enterprise systems, and connected-device solutions. Core Expertise: React / Next.js, Node.js / NestJS, Python / FastAPI, .NET, Laravel, Flutter, React Native, Kotlin | AI / LLM / RAG | SaaS Platforms | Cloud Architecture | Embedded & IoT | ESP32, Arduino, BLE / GATT, MQTT What I Can Build: ✅ AI & Intelligent Automation LLM-powered applications, RAG systems, AI assistants, document processing, workflow automation, predictive solutions, and AI integrations ✅ SaaS & Full-Stack Platforms Marketplaces, subscription platforms, payment systems, dashboards, admin portals, role-based applications, and real-time products ✅ Mobile Applications iOS and Android apps, Flutter, React Native, native Android, BLE-connected apps, subscriptions, in-app purchases, and store release support ✅ Embedded & IoT Solutions ESP32, Arduino, BLE/GATT, MQTT, sensors, firmware integration, device control, telemetry, OTA workflows, and device-to-cloud systems ✅ Enterprise & Third-Party Integrations ERP/CRM integrations, SharePoint, NetSuite, Stripe, Supabase, APIs, automation platforms, cloud services, and custom business workflows ✅ Production Engineering Existing codebase audits, architecture improvements, performance optimization, security hardening, deployment, release issues, and complex debugging How I Work I take ownership of the technical side of a project, communicate clearly, and focus on building solutions that are reliable, maintainable, and ready for real users. Whether you’re starting with an idea, scaling an existing product, or dealing with a system that needs experienced technical direction, I can step in and move it forward. If you’re looking for an engineer who can understand the bigger picture, handle the difficult technical details, and deliver with confidence, send me your project requirements and let’s build it the right way. menos -
Contratar visionvivante
VISION TO REALITY Preferred Freelancer by Freelancer Vision Vivante is an agency in India dedicated to transforming ideas into scalable, high-performance platforms. With a strong foundation in strategy, design, and technology, we help businesses accelerate growth, simplify complexity, and thrive in the digital...VISION TO REALITY Preferred Freelancer by Freelancer Vision Vivante is an agency in India dedicated to transforming ideas into scalable, high-performance platforms. With a strong foundation in strategy, design, and technology, we help businesses accelerate growth, simplify complexity, and thrive in the digital age. ✅ End-to-End Services: -- Product Strategy & MVP Development -- Concept-to-Launch Solutions -- Product Roadmaps, User Flows & Wireframing -- Technical Architecture & Agile Team Assembly ✅ Custom Software Development: -- Full-Stack Web & Mobile Applications -- SaaS Platforms | Marketplaces | Internal Tools -- API Integrations, DevOps, Cloud Infrastructure ✅ Tech Stack Expertise: -- Frontend: React.js, Vue.js, Next.js -- Backend: Node.js, Laravel -- Mobile: Flutter, React Native -- Database: PostgreSQL, MySQL, MongoDB -- CMS: WordPress, Shopify, Magento, Prestashop, Custom CMS -- Infra: AWS, GCP, CI/CD, Serverless ✅ E-Commerce & Business Platforms: -- Shopify, WooCommerce, Magento -- Auction & Multi-Vendor Systems -- Payment Gateway Integration (incl. Stripe, CashApp, M-Pesa, Mada, HyperPay) ✅ Enterprise & Operational Systems: -- ERP, CRM & Warehouse Management -- Stock Control, Route Planning, Payroll, Ledgers -- Driver & Customer Apps with Live Tracking ✅ Industries Served: >> E-commerce | Fintech | Logistics | Travel | Legal | Education | Real Estate | Healthcare | Fitness | Marketplaces | Social Platforms | SaaS | Pickup and Delivery | POS (Point of Sale) Why Vision Vivante? ✅ Strategy-First Execution ✅ Cross-Platform Development Experts ✅ Agile Teams & Transparent Collaboration ✅ Deep Tech + Business Understanding ✅ Global Clients in 50+ Countries ✅ Fast Turnarounds, Scalable Codebases ✅ Dedicated PMs, Engineers & Designers ✅ Flexible Engagement Models Ready to Build? From digital products to complex systems, Vision Vivante turns your vision into a living, breathing platform. Work with a team that’s technical, strategic, and obsessed with your success. Let’s explore how we can collaborate. menos -
Contratar owebest
Award-Winning Software Development & AI Solutions Company 150+ Experts | 1000+ Projects Delivered | Clients Across 25+ Countries | CMMI Level 3 Company Owebest Technologies Pvt. Ltd. is a trusted technology partner helping startups, SMEs, and enterprises build innovative digital products, automate business processes,...Award-Winning Software Development & AI Solutions Company 150+ Experts | 1000+ Projects Delivered | Clients Across 25+ Countries | CMMI Level 3 Company Owebest Technologies Pvt. Ltd. is a trusted technology partner helping startups, SMEs, and enterprises build innovative digital products, automate business processes, and accelerate growth through modern software solutions and artificial intelligence. From MVP development to large-scale enterprise platforms, our team delivers secure, scalable, and high-performance solutions tailored to your business goals. ⭐ Why Owebest? ✅ Award-Winning & Top-Rated Development Team ✅ AI-First Product Development Approach ✅ Dedicated Developers, Designers & AI Engineers ✅ Agile Development & Transparent Communication ✅ Long-Term Support & Product Maintenance ✅ Enterprise-Grade Architecture & Security ✅ Fast Response & Reliable Delivery ## Artificial Intelligence & Automation ✅ AI Agents & Multi-Agent Systems ✅ OpenAI, Claude, Gemini & LLM Integrations ✅ RAG (Retrieval-Augmented Generation) ✅ AI Chatbots & Virtual Assistants ✅ Workflow & Business Process Automation ✅ OCR & Intelligent Document Processing ✅ Computer Vision & Image Recognition ✅ Predictive Analytics & Custom AI Solutions ## Web & Software Development ✅ Laravel ✅ Node.js ✅ Python ✅ Django ✅ FastAPI ✅ ASP.NET ✅ REST APIs ✅ GraphQL ✅ Enterprise Applications ✅ SaaS Platforms ## Mobile, TV & Emerging Technologies ✅ Flutter ✅ React Native ✅ Android ✅ iOS ✅ Android TV ✅ Apple TV (tvOS) ✅ Wearable Applications ✅ Smart Watch Applications ✅ AR (Augmented Reality) ✅ VR (Virtual Reality) ✅ Cross-Platform Applications ## Frontend Technologies ✅ React.js ✅ Next.js ✅ Vue.js ✅ Angular ✅ TypeScript ✅ Tailwind CSS ## ERP, CRM & Enterprise Solutions ✅ Custom ERP Development ✅ CRM Development ✅ Manufacturing ERP Solutions ✅ Garment ERP Solutions ✅ Inventory Management Systems ✅ Merchant & Vendor Management Platforms ✅ Salesforce ✅ Zoho ✅ Odoo ✅ HubSpot ✅ Klaviyo ## Blockchain & Web3 Development ✅ Smart Contracts ✅ DeFi Applications ✅ NFT Platforms ✅ Cryptocurrency Wallets ✅ Token Development ✅ Ethereum ✅ Solana ✅ Polygon ✅ Binance Smart Chain (BSC) ✅ Web3 Integrations ## Cloud, DevOps & Infrastructure ✅ AWS ✅ Google Cloud Platform ✅ Microsoft Azure ✅ Docker ✅ Kubernetes ✅ CI/CD Pipelines ✅ Linux Server Administration ✅ High Availability & Performance Optimization ## Databases ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Redis ✅ Pinecone ✅ Weaviate ✅ ChromaDB ✅ pgvector ✅ Quadrant ## E-Commerce & CMS ✅ Shopify ✅ WooCommerce ✅ WordPress ✅ Headless CMS ✅ Custom E-Commerce Platforms ✅ Shopware ✅ Magento ## Industries We Serve 🏭 Manufacturing 🏥 Healthcare 🎓 Education ✈️ Travel & Hospitality 🛒 E-Commerce & Retail 🚚 Logistics & Supply Chain 💳 FinTech 🏋️ Sports & Fitness 🏢 Real Estate and Many more.... Let's discuss your project and explore how Owebest can help turn your vision into a successful digital product. menos -
Contratar diektech
Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind...Exceed Your Expectation! Let's Do It Together!! Hi, I'm Elias, founder of Reupped Technologies LLC. Most software projects don't fail because of poor development—they fail because the wrong problems are solved first. That's why every project begins by understanding your business, your users, and the workflow behind the idea before writing a single line of code. For more than 20 years, I've helped startups, entrepreneurs, and established businesses build software that is reliable, scalable, and designed to grow with them. Whether it's a SaaS platform, AI-powered application, mobile app, marketplace, ERP, CRM, fintech product, or custom business system, my focus is always the same: build software that solves real problems while keeping future growth in mind. My team and I handle the complete development process, including: • Product planning • UI/UX • Web development • Mobile apps • Backend architecture • API integrations • AI solutions • Cloud deployment • Long-term support What clients appreciate most isn't just our technical expertise—it's our ability to simplify complex ideas, ask the right questions, and recommend solutions that make sense for the business. If you're looking for a development partner who values communication, thoughtful planning, and long-term success just as much as clean code, I'd be happy to discuss your project. menos -
Contratar ePlatinum
🚀 Savo Technologies | Your End-to-End Digital Transformation Partner Technology is evolving rapidly, and businesses need more than just developers—they need a trusted technology partner. At Savo Technologies, we help startups, SMEs, and enterprises transform ideas into innovative digital products that drive growth,...🚀 Savo Technologies | Your End-to-End Digital Transformation Partner Technology is evolving rapidly, and businesses need more than just developers—they need a trusted technology partner. At Savo Technologies, we help startups, SMEs, and enterprises transform ideas into innovative digital products that drive growth, improve efficiency, and create lasting business value. With a multidisciplinary team of developers, designers, AI specialists, marketers, and branding experts, we deliver complete digital solutions under one roof. From strategy and design to development, deployment, and ongoing support, we're committed to building products that are scalable, secure, and future-ready. 💼 Our Core Services ✔ Artificial Intelligence & Automation ✔ Custom Web Development ✔ Mobile App Development (Android, iOS & Cross-Platform) ✔ UI/UX Design & Product Design ✔ SaaS Product Development ✔ CRM, ERP & Enterprise Solutions ✔ eCommerce & Marketplace Platforms ✔ API Development & Third-Party Integrations ✔ SEO, AEO & GEO Optimization ✔ Digital Marketing & Growth Strategy ✔ Branding, Logo Design & Corporate Identity ✔ Ongoing Maintenance & Technical Support ⚙️ Technologies We Work With React.js • Next.js • Node.js • Express.js • Laravel • PHP • Flutter • React Native • Android • iOS • Python • MongoDB • MySQL • Firebase • AWS • OpenAI • ChatGPT • Claude • Gemini • REST APIs • Git • Docker • Figma • Adobe Creative Suite 🚀 Our Approach Every successful project starts with understanding your business, goals, and users. We combine strategic thinking, modern technologies, and industry best practices to deliver solutions that create measurable results. ✅ Discovery & Business Consultation ✅ Planning & Solution Architecture ✅ UI/UX Design & Prototyping ✅ Agile Development ✅ Quality Assurance & Security Testing ✅ Deployment & Launch ✅ Continuous Support & Future Enhancements 🌍 Industries We Serve Healthcare • Finance • Real Estate • Retail • eCommerce • Education • Manufacturing • Logistics • Hospitality • Travel • AI • SaaS • Professional Services • Startups • Enterprise Businesses ⭐ Why Clients Choose Savo Technologies ✔ End-to-end digital solutions from a single trusted partner ✔ Experienced team across multiple technologies ✔ Business-focused approach with scalable architecture ✔ Clean code, modern design, and high-performance applications ✔ Transparent communication and milestone-based delivery ✔ Strong commitment to quality, security, and innovation ✔ Long-term support with continuous improvements ✔ Dedicated to building lasting client relationships 🚀 Ready to Start Your Project? Let's turn your vision into a powerful digital solution. We're here to deliver innovation, quality, and results. Contact us today, we'd love to work with you! menos -
Contratar miguelml87
I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code...I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code while keeping business goals at the center of every decision. My goal is simple: deliver software that works, scales, and creates value for your business. menos -
Contratar CorranForce
CorranForce CorranForce
$70 USD / hora
Web & Mobile Apps | Servers, AI & CybersecurityUnited StatesYour processes shouldn't be slow, manual, or expensive! Most projects don't fail from bad ideas — they fail between the idea and the execution: the prototype that never ships, the automation that breaks in week two, the app that works but nobody can maintain. We exist to close that gap. 🤖 AI & Automation AI...Your processes shouldn't be slow, manual, or expensive! Most projects don't fail from bad ideas — they fail between the idea and the execution: the prototype that never ships, the automation that breaks in week two, the app that works but nobody can maintain. We exist to close that gap. 🤖 AI & Automation AI features built into real products: chatbots, assistants, document processing, predictive tools Business automation with GPT, n8n, Make & Zapier — repetitive work, eliminated Automated trading systems for Forex and crypto (MT4/5, NinjaTrader, Pine Script) 💻 Web & Mobile Engineering Web applications with modern, scalable architecture — from MVP to production Cross-platform iOS & Android apps (React Native, Flutter) Responsive websites with brand-consistent UI/UX 2D/3D games for web, mobile, and desktop (Unity, Unreal Engine) 🏢 Business Systems & Data ERP & CRM implementation tailored to your operations (Odoo specialists — custom modules, reports, integrations) Interactive Power BI dashboards fed by automated data pipelines Document workflow automation across Microsoft Office — templates, macros, scripting 🎨 Design & Publishing Product design from wireframe to polished interface Book design: covers, illustrations, and print/digital formats for Amazon KDP, IngramSpark, EPUB & PDF ✅ How we work: every project gets a written scope, staged milestones, and source code + documentation at handover. We build things you own and can maintain — not black boxes that keep you dependent. Whether you're a startup shipping your first product or an established business drowning in manual work — tell us what you're trying to build, and we'll break down exactly how we'd deliver it. menos -
Contratar jayprakashyadav
I'm a Mobile App Developer, Flutter and React Native Specialist, AI and LLM Engineer (OpenAI API, GPT-4o, Claude, LangChain, RAG Systems, AI Agents, Fine-tuning, Prompt Engineering, Vector Databases, Embeddings, AI Model Deployment), Automation Engineer (n8n, Make, Zapier, Workflow Automation, Python Automation, RPA,...I'm a Mobile App Developer, Flutter and React Native Specialist, AI and LLM Engineer (OpenAI API, GPT-4o, Claude, LangChain, RAG Systems, AI Agents, Fine-tuning, Prompt Engineering, Vector Databases, Embeddings, AI Model Deployment), Automation Engineer (n8n, Make, Zapier, Workflow Automation, Python Automation, RPA, API Integration, Webhooks, Data Pipelines) and Mobile and Automation with Python and Full AI Solutions Architect with solid experience in web and mobile app development. I have mastery level expertise in mobile app development with Flutter, React Native, Kotlin, Swift, iOS Development, Android Development, Firebase, RESTful APIs, GraphQL, State Management, CI/CD for Mobile and Mobile UI/UX Design. I manage complex requirements within open source CMS and MVC frameworks such as WordPress, Webflow, Laravel and CodeIgniter. I also develop eCommerce solutions on WooCommerce, Shopify, PrestaShop and Magento platforms. I create UI/UX design in Figma and Adobe XD for responsive design, wireframe and prototype. ✔ WordPress CMS Expertise & Moodle • Custom Theme Development • Plugin Development & Customization • Elementor & Page Builder Design • Website Speed Optimization • Security & Maintenance • API Integration • Migration & Backup ✔ AI Automation & LLM Integration • AI/LLM: OpenAI API (GPT-4o, GPT-3.5), Claude, LangChain, RAG Systems, AI Agents • Automation: n8n, Make, Monday, Zapier, Workflow Automation • Custom chatbot implementation • AI powered content generation • Natural language processing features • LangChain & vector database setup ✔ Mobile App Development • Cross-platform: Flutter, React Native • Native: Kotlin (Android), Swift (iOS) • Firebase integration • REST API integration • Real-time features & push notifications ✔ Web, MERN & Python Development • MERN Stack: MongoDB, Express.js, React.js, Node.js • Frontend: React.js, Next.js • Backend: Node.js (Express.js/NestJS), Python (Django, Flask, FastAPI), PHP (Laravel, CodeIgniter) • CMS & Open Source: WordPress, Webflow • API development & automation with Python • Databases: MongoDB, MySQL, PostgreSQL ✔ eCommerce Development • WooCommerce • Shopify • PrestaShop • Magento • Custom eCommerce solutions ✔ Cloud & DevOps • AWS, Google Cloud, Azure • Docker • GitHub Actions • Jenkins ✔ Security & Integrations • JWT, OAuth 2.0, Firebase Auth • REST APIs, GraphQL • WebSockets ✔ UI/UX Design • Figma, Adobe XD • Responsive design • Wireframing & prototyping ✔ Additional Expertise • PHP, MySQL • REST API Integration • Third-party Plugin Integration • Hosting & Cloud Deployment • Payment gateway integration • App store deployment • Performance optimization • Code review & debugging • Third party API integration Note: I'm available full time and can start immediately. Please connect with me to discuss your project requirements. My priority is quality work and bug free code. I do not move to next step without proper test. menos
