Technical Support Specialists para contratar
Mostrando 126 resultados
Freelancers patrocinados
-
Contratar Herculesz
Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable,...Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable, production-grade LLM features using LangChain, pgvector, Pinecone, and related technologies. Hands-on leader with a track record of transforming business workflows through intelligent systems—semantic search, AI copilots, and conversational agents—while maintaining rigorous engineering standards across DevOps, observability, and frontend/backend architecture. Deep experience in embedding optimization, prompt engineering, fine-tuning GPT models, and delivering generative AI(GenAI) products that drive measurable impact. Skilled in mentoring engineers, leading cross-functional AI initiatives, and aligning technical strategy with executive goals in fast-paced, innovation-driven environments. Passionate about building the next generation of human-centered AI systems. menos -
Contratar iosifpeterfi
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive 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 ladenistheone
ladenistheone ladenistheone
$15 USD / hora
Executive Assistant—Medical Billing—Data ScrapingBangladeshServicios al cliente, Entrada de datos, Generación de Prospectos, Asistente virtual, Gestión de DatosI’m Md. Laden Islam, providing hands-on support in medical billing, payroll, CRM handling, data entry, lead generation, and day-to-day back-office work. I work from a dedicated, well-set-up workspace with stable high-speed internet and full power backup, so projects run smoothly without interruptions. I personally...I’m Md. Laden Islam, providing hands-on support in medical billing, payroll, CRM handling, data entry, lead generation, and day-to-day back-office work. I work from a dedicated, well-set-up workspace with stable high-speed internet and full power backup, so projects run smoothly without interruptions. I personally handle workflows and scale capacity when required, depending on project volume and timelines. What I work on regularly: • Medical billing, claims follow-ups, AR tracking • Insurance verification and payment posting • Payroll processing, basic bookkeeping, and reconciliations • CRM updates and management (QuickBooks, Xero, Zoho CRM, HubSpot) • Web research, web scraping, data scraping, data collection, and data entry • Lead generation (email lists, prospect research, targeted data) • Clean reporting and organized data delivery • Ongoing administrative and back-office support What clients usually appreciate: ✔ Clean, accurate, and validated data ✔ Consistent delivery and clear communication ✔ Flexible workload handling as needs grow ✔ Structured yet practical workflows ✔ Reliability and long-term availability If you need dependable support for admin tasks, data work, or ongoing operational assistance, I’d be glad to help. menos -
Contratar Programmers12
Hi, This is Muhammad A. I am a passionate Website developer. I have created Web sites and made happy client. Every thing around me inspires me. Regards! Muhammad A Introducing myself as a web designer/developer. Thanks for visiting my profile. I consider your valuable time so before awarding a job kindly contact me...Hi, This is Muhammad A. I am a passionate Website developer. I have created Web sites and made happy client. Every thing around me inspires me. Regards! Muhammad A Introducing myself as a web designer/developer. Thanks for visiting my profile. I consider your valuable time so before awarding a job kindly contact me and discuss the project in detail. I'm very responsive and I will try to respond your messages as soon as possible.The following are the areas of my expertise: ****Web Design & development**** o PSD to wordpress o HTML/CSS o Website and User Interface Design o Web Page design o UI/UX design ****Software/Application Expertise****: o Microsoft Word/PowerPoint/Excel o WordPress o Woo-commerce o E-commerce responsive store using HTML/CSS o Shopify o Custom PHP o Wix o SqaureSpace ****HTML****: o Responsive HTML 5 o Bootstrap o Responsive Newsletter -------------------------------------------- **** Graphic Design Expertise****: o Any type of graphics design o Logo Design o Business Card Design o Brochure Design o Menu Card design o Label Design o T-shirt Design o Icon Design o Stationery Design o Silhouette Making (line art) o Different Kinds Illustrations ****Software Expertise****: o Adobe Photoshop o Adobe Illustrator menos -
Contratar donkixot
⭐⭐⭐⭐⭐ Senior Full-Stack Engineer | Web & Mobile Solutions I am a Senior Full Stack Engineer(Preferred ⭐Top 2%⭐Verified Developer ) With 10+ years of professional experience, I help businesses transform ideas into reliable, scalable digital products. I take ownership of projects and deliver clean, efficient, and...⭐⭐⭐⭐⭐ Senior Full-Stack Engineer | Web & Mobile Solutions I am a Senior Full Stack Engineer(Preferred ⭐Top 2%⭐Verified Developer ) With 10+ years of professional experience, I help businesses transform ideas into reliable, scalable digital products. I take ownership of projects and deliver clean, efficient, and production-ready solutions. 🔧 Tech Stack ✅Frontend: React, Next.js, Redux, TypeScript, Vue, Nuxt, Angular, Tailwind CSS, all modern CSS frameworks ✅Backend: Node.js, NestJS, Express.js, PHP, Laravel, Django ✅Databases & Services: PostgreSQL, MySQL, MongoDB, Firebase, Supabase, Prisma ✅Additional Skills: Android development, mobile apps, AI features, API development, database architecture, Ecommerce Development(Shopify, WordPress, Margento) ✅ Fast delivery ✅ Clean & maintainable code ✅ Long-term support I always aim to exceed expectations and ensure client satisfaction. I deliver perfect results in short timelines and take full responsibility for quality. Let’s build something great together. Oleksandr menos -
Contratar maxscender
I’m a Software Engineer with a Ph.D. in Computer Science, specializing in system architecture, machine learning/AI, advanced web scraping, and algorithmic trading. With expertise ranging from high-level web services (Python) to low-level system programming (C/C++), I help clients collect complex data, build reliable...I’m a Software Engineer with a Ph.D. in Computer Science, specializing in system architecture, machine learning/AI, advanced web scraping, and algorithmic trading. With expertise ranging from high-level web services (Python) to low-level system programming (C/C++), I help clients collect complex data, build reliable backend systems, and develop intelligent models that deliver measurable results. What I Can Do: 🟣 SOFTWARE ENGINEERING & ARCHITECTURE * Python, C, C++, C#, Java, PHP, Javascript, Rust, Go. * Desktop Applications Development. * Raspberry Pi programming, hardware-software integration, and edge-device deployment. * Backend Development: REST/GraphQL APIs, authentication/authorization, role-based access. 🔴 REVERSE ENGINEERING & LOW-LEVEL SYSTEMS * Reverse engineering: binary analysis, disassembly, decompilation, protocol reverse engineering * Static & dynamic analysis: IDA Pro, Ghidra, x64dbg, OllyDbg * Malware analysis, unpacking, and code inspection * Memory forensics and runtime debugging 🟠 ALGORITHMIC TRADING & QUANTITATIVE DEV * Development of custom MetaTrader (MT5) Expert Advisors (EAs), custom indicators, and automated trading bots (MQL5). * Bridging Python-based ML/DL forecasting models with MT5 via APIs/sockets. 🟢 MACHINE LEARNING / DEEP LEARNING / AI * End-to-End ML Pipelines: Data collection → preprocessing → training → evaluation → deployment. * Ecosystems & Tools: PyTorch, TensorFlow, scikit-learn, and MATLAB for academic/engineering simulations. * Deep Learning & NLP: CNNs, RNNs/LSTMs, Transformers, text cleaning, embeddings, RAG with vector databases. * Time Series & Forecasting: Feature engineering, backtesting, and model comparison (highly applicable to financial data). 🟡 WEB SCRAPING & DATA EXTRACTION * Frameworks: Python with Scrapy, Selenium, Playwright, Seleniumbase, Pydoll, requests, curl_cff. * Anti-Bot & CAPTCHA: Bypassing complex modern web protections. 🔵 DATA ANALYSIS, ENGINEERING & VISUALIZATION * Data Engineering: ETL/ELT pipelines, batch/stream workflows, data modeling (star schema), warehousing basics. * Data Analysis: Exploratory analysis (EDA), KPI definition, insights, trend/segment analysis. * Data Cleaning & Preprocessing: Missing values, outliers, normalization, deduplication, validation rules. * Database Design: PostgreSQL/MySQL/SQLite, MongoDB; indexing, migrations, and optimization. menos -
Contratar MiguelJFP
Hello, I am Miguelangel. I am a Systems Engineer with solid experience in Full Stack web development, specializing in the creation of scalable and secure solutions. My approach combines robust technical architecture with high-impact visual production. I am a professional focused on process optimization, efficient...Hello, I am Miguelangel. I am a Systems Engineer with solid experience in Full Stack web development, specializing in the creation of scalable and secure solutions. My approach combines robust technical architecture with high-impact visual production. I am a professional focused on process optimization, efficient user management, and technical documentation, always dedicated to delivering functional and aesthetically impeccable digital products. Technical Experience & Skills -Full Stack Development: Seamless integration of Frontend and Backend in complex web projects. -Tech Stack: Proficiency in Python, Django, React.js, JavaScript, HTML5, and CSS3. -Databases: Relational schema design and query optimization using MySQL and PostgreSQL. -Software Architecture: Full CRUD implementation and advanced user permission management systems (User/Admin levels). -Design & Multimedia: Creation of professional graphic assets using Photoshop and Illustrator, along with audiovisual content production and editing. -Version Control: Advanced use of Git for collaborative workflows and solution deployment. menos -
Contratar emilesd617
Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an...Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an excellent English speaker/communicator with good collaboration experience. Looking forward to discussing more details. Best regards. Emile. menos -
Contratar alluankit01
I am a versatile freelancer with hands-on experience across web development, software solutions, graphic design, content creation, AI-assisted work, data entry, research, and business support. I help clients turn ideas into clean, practical results, whether that means building websites, fixing technical issues,...I am a versatile freelancer with hands-on experience across web development, software solutions, graphic design, content creation, AI-assisted work, data entry, research, and business support. I help clients turn ideas into clean, practical results, whether that means building websites, fixing technical issues, creating professional visuals, writing polished content, organizing data, or supporting ongoing business tasks. My strength is adaptability. I can work across technical, creative, and operational projects, which makes me a strong fit for startups, growing businesses, and clients who need one reliable freelancer for multiple kinds of work. I focus on clear communication, fast response, on-time delivery, and quality that matches the client’s real goal, not just the task description. I am comfortable with websites, WordPress, eCommerce, APIs, frontend and backend work, graphic design, video editing, SEO-friendly content, research, spreadsheets, virtual assistance, AI tools, and general problem-solving. Whether you need a quick fix, a full project, or long-term support, I am ready to help with a professional and practical approach. menos
