node.js Developers For Hire
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Sponsored Freelancers
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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 less
Hire iosifpeterfi
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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. less
Hire Herculesz
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I am a senior developer with 5+ years of experience. With years of experience in building dynamic web applications, mobile apps, and custom software solutions, I offer a comprehensive skill set to bring your ideas to life. While working with you, I ensure the "Quality", "Speed", "Availability", "Co-operative" and...I am a senior developer with 5+ years of experience. With years of experience in building dynamic web applications, mobile apps, and custom software solutions, I offer a comprehensive skill set to bring your ideas to life. While working with you, I ensure the "Quality", "Speed", "Availability", "Co-operative" and "Honesty". Looking for a long term, I am here to develop websites for you who want to turn your idea into the live website. My Key Skills Include: - Frontend : React | Next, Vue | Nuxt, Svelte - Backend : PHP, Laravel, Node.js, Python - Mobile : Android, React Native, Flutter - Database : MongoDB, MySQL, SQLite, PostgreSQL - CMS : Wordpress, Wix, Webflow, Shopify - Additional : AWS, Docker, Web scraping, Zapier, n8n, AI less
Hire denisSolution
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TECHNOEXPONENT TECHNOEXPONENT
$15 USD / hour
CMMI Level 5 Company | Top 1% AI/ML Sol. ProviderIndia✔️ Techno Exponent (CMMI Level 5 & Level 3 Compliance, ISO/IEC 27001:2022, ISO/IEC 20000-1:2018, ISO 9001:2015 certified) Achievements: • Awarded “STARZ AI/ML Solution Provider of the Year 2024” by Starz Magazine • Awarded “Leading App Development Company 2023” by the Times Group • Awarded “Times Leading IT...✔️ Techno Exponent (CMMI Level 5 & Level 3 Compliance, ISO/IEC 27001:2022, ISO/IEC 20000-1:2018, ISO 9001:2015 certified) Achievements: • Awarded “STARZ AI/ML Solution Provider of the Year 2024” by Starz Magazine • Awarded “Leading App Development Company 2023” by the Times Group • Awarded “Times Leading IT Company 2022” by the Times Group (Times of India) • Awarded “Leading Customer-Centric IT Company 2022” by the Times Group • Awarded “Fastest Growing Brand 2021-22” by Asia One Forum Year Founded: 2011 * Total Employees: ~450+ Our Office Locations: Kolkata, India | Florida, USA ✔️✔️ Our Expertise: AI, ML, DevOps, Blockchain Backend: Node.js, Java Spring Boot, Python / Django, Laravel / PHP Frontend: React.js, Angular, Vue.js HTML5, CSS3 DB: MySQL, MongoDB, PostgreSQL, MariaDB, CouchDB, SQLite, MSSQL, etc. Android App: Kotlin, Java, Flutter, React Native iOS App: Swift, Flutter, React Native ✔️✔️ Elite Clients: NASA Engineers, Red Bull, Disney, Amazon, HBS, etc. We have served 3000+ clients and 4000+ Projects in the last 14+ years ✔️✔️ Why us • Fluent in Spoken and Written English • Developers with B.E./M.E. in Computer Science from reputed universities • Daily updates and bi-weekly meetings • Proficiency in Agile methodology, GitHub, Bitbucket, AWS, Google Cloud, etc. • NDA & IP security • Flexible across all time zones • 100% transparency less
Hire TECHNOEXPONENT
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✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real,...✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real, scalable software. Our expertise now includes AI/ML development and Generative AI integration, helping clients automate workflows, build smart features, and stay ahead with the latest in AI technology. We use proven tools, agile processes, and a partner-first mindset — offering clear communication, reliable delivery, and long-term support. Our core skills: ✅ UX/UI Design ✅ iOS & Android Apps ✅ Web Development (ReactJS, Laravel, Ruby on Rails, PHP/MySQL, Python) ✅ WordPress & Shopify ✅ Custom eCommerce Solutions ✅ API Integrations ✅ AI/ML & Generative AI Development Let’s build something great — together. less
Hire AdeelAslam4
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Empiric means “Knowledge gained from experience”, and that’s exactly how we build software. We make software that really helps businesses run smoother and easier. We keep things simple no unnecessary complications. For over 8+ years we have been helping people by listening carefully to them. We spend time...Empiric means “Knowledge gained from experience”, and that’s exactly how we build software. We make software that really helps businesses run smoother and easier. We keep things simple no unnecessary complications. For over 8+ years we have been helping people by listening carefully to them. We spend time understanding the problem that Empiric Infotech is trying to solve for our clients before we start building anything for them. We build: * Websites * Mobile apps * AI tools. Only when Empiric Infotech thinks they actually make things better * Automations that save people time and remove repeat work * Connections between different tools that are not talking to each other properly We usually work with tools like React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Flutter, FlutterFlow and we also work on trendy tools like Cursor, Replit, Bolt.new, Loveable,Claude and Antigravity. Empiric Infotech picks whatever is actually best for the project that Empiric Infotech is working on. We believe in honest talking realistic timelines that Empiric Infotech actually sticks to and making our clients feel comfortable and confident the whole way. Got an idea or a problem that you want Empiric Infotech to solve? Just send Empiric Infotech a message. We will look at it carefully. Get back to you within 24 hours with a simple plan and clear pricing. Empiric Infotech LLP Real experience, solutions. Feel free to reach out, to Empiric Infotech we are happy to chat with you. less
Hire dreamerherry
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Tired of hiring developers who disappear mid-project or deliver buggy solutions? I'm Abdullah, a full-stack developer with 5+ years of building scalable, high-performance web and mobile applications that actually work – and I have the perfect 5.0-star rating to prove it. What Makes Me Different: Complete...Tired of hiring developers who disappear mid-project or deliver buggy solutions? I'm Abdullah, a full-stack developer with 5+ years of building scalable, high-performance web and mobile applications that actually work – and I have the perfect 5.0-star rating to prove it. What Makes Me Different: Complete Accountability – I own your project from start to finish, with clear milestones and daily updates Business-First Approach – I don't just code; I solve problems that increase your revenue and user engagement Lightning-Fast Delivery – Known for beating deadlines without compromising quality Zero Communication Gaps – Available across time zones with responses within hours, not days My Technical Arsenal: Web: React, Angular, Vue, Node.js, TypeScript, PHP, Laravel, PostgreSQL, MySQL, MongoDB Mobile: ReactNative (iOS & Android) E-commerce: Complete stores with payment gateways and booking systems Cloud: AWS deployment, Nginx configuration, performance optimization Testing: Jest, Mocha, Cypress, Selenium for bug-free delivery Recent Success Stories: Built enterprise survey system for HSL (Hayel Saeed Anam) handling thousands of users Developed spark.mea platform for Lundbeck Middle-East with PWA, analytics, and role management Created multi-vendor e-commerce platforms with advanced features and seamless UX Delivered interactive educational mobile game with 1M+ downloads Why Clients Choose Me: Computer Science degree from Arab Academy for Science & Technology Experience with major companies (Entelqa LLC, Faxback LLC) Rigorous testing protocols ensuring zero critical bugs at launch Post-delivery support because your success matters to me My Promise: When you hire me, you're not just getting a developer – you're getting a partner who's invested in your project's success. I deliver clean, scalable code that grows with your business, and I'm not satisfied until you're thrilled with the results. Ready to turn your idea into reality? Message me now with your project details. Let's discuss how I can help you build something exceptional. less
Hire AbdullhSkeen
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Generative AI Expert | Full Stack Developer | Problem Solver for Startups and Enterprises I help startups & enterprises launch intelligent systems and scalable web apps, think CHATGPT-powered agents, RAG pipelines, and full-stack platforms. With 8+ years of proven experience in OpenAI integrations, LangChain...Generative AI Expert | Full Stack Developer | Problem Solver for Startups and Enterprises I help startups & enterprises launch intelligent systems and scalable web apps, think CHATGPT-powered agents, RAG pipelines, and full-stack platforms. With 8+ years of proven experience in OpenAI integrations, LangChain Workflows, React.js, Next.js Frontend and FastApi/Django/Node backends, I deliver high-performance, reliable, ROI-focused solutions, fast. Full-Stack Development: - Python: Django, FastAPI | JavaScript/TypeScript: React, Next.js - Databases: PostgreSQL, Firebase (RTDB/Firestore) - REST APIs, Webhooks, Auth (OAuth, Auth0) - Docker, CI/CD pipelines, GitHub Actions - Cloud: AWS (Lambda, S3, EC2), GCP, Vercel Generative AI & Automation: - GPT-4 / ChatGPT / Assistants API - LangChain, LlamaIndex, Prompt Engineering - RAG Pipelines: Pinecone, Weaviate, FAISS - Vector DBs & Embeddings - AI Chatbots & Custom Agents - Automation: Zapier | n8n | Firebase integration Collaboration & Delivery: - Agile/Scrum, Jira, ClickUp, Slack, Trello - Technical Documentation & API Specs - Clear communication & milestone tracking Sample Projects & Case Studies: - AI agent for customer support "Built a conversational AI support assistant using OpenAI GPT-4, LangChain, and Weaviate, integrated with a client's knowledge base. Deployed on their website, it reduced live chat volume by 60% within 30 days." - Rag pipeline for legal tech startup "Developed a retrieval-augmented generation pipeline using Pinecone, FastAPI, and OpenAI embeddings, enabling real-time document summarization for legal teams. Delivered within 3 weeks, helped close $100k+ in enterprise deals." I typically deliver MVPs in 1-3 weeks, depending on scope, and love working with long-term clients looking to scale less
Hire techstar12
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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. less
Hire visionvivante
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An energetic and imaginative young web developer who is able to work alongside other talented IT professionals in creating websites to the very highest standardsAn energetic and imaginative young web developer who is able to work alongside other talented IT professionals in creating websites to the very highest standards less
Hire dinhthi
