Hire the Best Node.js Developers
in Germany

Hi, I’m Malamin a Senior Full‑Stack Developer with 6+ years of experience building scalable, high‑performance, and business‑ready web applications. Give me something to build and I’ll deliver a solution that works for you 24/7 fast, reliable, and built with clean, maintainable code. If you send an invitation or message, I’ll reply with a personalized plan on how I can help your project immediately. I design, develop, and optimize modern applications for startups, agencies, and enterprise teams. My work spans e‑commerce, fintech, SaaS, education, and healthcare, delivering: * High-quality Frontend
Development * Robust Backend Development * End-to-end Full-Stack
Engineering * Scalable SaaS Platforms * Secure AP! Integrations * Real-time Chat Applications * Modern Ul/UX Interfaces * High-speed Performance
Optimization Frontend * HTML5, CSS3, Bootstrap, Tailwind
CSS * React Developer, Vue.js
Developer, Angular Developer * JavaScript / TypeScript * Vite, Responsive Ul, Component
Architecture Backend * Node.js Developer * Express.js, Next.js * Python Developer (Django, Flask) * PHP Developer * Java Spring Boot Developer * Ct+, C#,.NET Core Databases * MongoDB Developer. * MySQL Developer. * PostgreSQL Developer Other Technologies * Authentication (JWT, Auth) * WebSockets Developer * RESTful APIs * Al Integration & Chatbots * CI/CD (GitHub Actions, Vercel, Netlify) * WordPress * Localization * Git & GitHub * Performance Optimization &
System Scaling What I Can Build for You * Frontend Web Applications * Full-Stack Platforms * SaaS Products * E-commerce Systems * Real-Time Chat Apps * Al-Powered Applications * API-Driven Backends * Modern UI/UX Dashboards * High-Performance, Scalable
Architectures Why Clients Hire Me I’ve delivered successful projects across multiple industries, working with international teams and diverse cultures. My focus is always on: * Clean, maintainable code * Fast delivery * Clear communication * Long-term reliability * Scalable architecture * User-focused design If you're looking for a developer who can build fast, think strategically, and deliver consistently, I'm ready to join your project.

Upwork Overview (replace your current text) 🔹 Python/Django & Node.js Developer | MVPs, Dashboards & AI-Driven Web Apps 🔹 Hi, I’m Kyrylo — a full-stack engineer who turns ideas into fast, scalable, production-ready web apps. I build backends in Python (Django/FastAPI) and Node.js (Express/Nest) and ship modern UIs with Next.js/React + TypeScript. Whether you need an MVP, a booking/analytics system, or an AI-powered product (LLM + data pipelines + smart automations) — I deliver robust solutions with clean code, clear timelines, and thoughtful UX. 🛠️ What I Deliver Backends: Python 3 (Django/DRF, FastAPI) · Node.js (Express/Nest) · Auth, RBAC, caching, rate-limits APIs: REST/GraphQL, OpenAPI/Swagger, versioning, webhooks, WebSockets for live updates Frontend: Next.js/React + TypeScript, Tailwind CSS, form flows, accessibility, SEO Databases: PostgreSQL, SQLite, MongoDB · schema design, migrations, query optimization AI/ML: OpenAI/LangChain, vector DBs (FAISS/Pinecone), RAG chat, embeddings, classification, time-series forecasting; integrate models into APIs and UIs Data & Dashboards: Interactive charts, reporting, PDF/CSV/Excel export, admin portals DevOps: Docker, CI/CD (GitHub Actions), cloud deploys (Vercel, VPS, AWS/GCP), monitoring & logs Quality: Tests (unit/integration), code reviews, metrics, documentation 💡 Client Value Faster cycles and lower tech debt via clean architecture and reusable modules Scalable foundations (API first, predictable data models, clear contracts) Business impact: features that improve conversion, retention, and ops efficiency 📌 Recent Highlight Built an AI crypto dashboard: live Binance data, hourly forecasting, and an interactive quiz that explains predictions using an LLM; streaming charts, role-based access, and exports. I treat every project like my own — precise execution, transparent communication, and a focus on your business goals. Let’s build something exceptional. Message me to discuss your scope and timeline.

🚀 Building production-ready SaaS platforms, scalable web architectures, and high-performance frontends. Hi, I am Serhii, an officially registered Freiberufler (independent contractor) based in Germany. I specialize in engineering robust web applications, startup MVPs, and complex SaaS solutions for businesses that value reliability, scalable architecture, and transparent processes. Over the past 6+ years, I have successfully delivered multiple end-to-end projects, focusing on building systems that handle real production workloads—not just prototypes. 🔹 Workflow & Professional Standards Local DACH Partner: Based in the Central European Timezone (CET), I provide seamless communication in English, German, and Russian. You get the legal and operational reliability of working with a Germany-based professional. Transparent Processes: I strictly manage projects using Scrum and Jira methodologies, ensuring you have complete visibility into sprints, deliverables, and budget allocation. AI-Native Efficiency: I leverage autonomous AI agents and modern tooling to accelerate code generation, conduct deep architectural analysis, and automate workflows, reducing your time-to-market. Quality First: I do not compete on cheap labor; I compete on engineering excellence. My baseline for a simple landing page starts from €500, with custom SaaS platforms priced according to their architectural complexity. 🔹 Full Stack Web Development & SaaS As a Full Stack Developer and React Node Full Stack Developer, I design comprehensive systems combining modern frontends with powerful backend services. I have extensive experience building SaaS platforms with complex billing logic (such as electronic invoicing for the German market) and AI-powered data management systems. My solutions are designed to scale, process heavy API traffic, and maintain exceptional uptime. 🔹 Frontend Development (React & Next.js) For teams searching for a React Developer, Next.js Developer, or Frontend React Engineer: I build modern SPAs, SSR applications, and complex SaaS dashboards. Leveraging TypeScript, Next.js, and Tailwind CSS, I ensure pixel-perfect, responsive UIs. I am obsessed with frontend performance, consistently optimizing core web vitals to achieve "Perfect 100" Google Lighthouse scores. 🔹 Backend Development (Node.js/NestJS & Python) As a Node.js Developer and Backend Engineer, I architect robust REST and GraphQL APIs using NestJS, Express, and Node.js. Furthermore, as a Python Developer, I build advanced data pipelines, backend automation, and AI integrations using Python and FastAPI. 🔹 Core Technologies & Roles I Fill: Frontend: React Developer, Next.js Developer, Frontend Web Developer, Tailwind CSS, SPA, SSR. Backend: Node.js Developer, NestJS, Express, Python Developer, FastAPI. Database & Infrastructure: Prisma, PostgreSQL, MongoDB, Redis, Headless Architecture. Methodologies: Scrum, Jira, Agile, RAG-based AI integration. Whether you need a dedicated Frontend Engineer to perfect your UI or a Senior Full Stack Web Developer to architect your next SaaS platform from the ground up, I deliver maintainable, production-ready code. 📩 Click "Invite" or "Hire" to discuss your project architecture and business goals.

Node.js Engineer with 15+ years in web development and software engineering, including 7+ years building large-scale browser automation, crawling, and web scraping infrastructure. Developed and operated a multi-server platform running 1,000+ concurrent browsers and processing 100K+ webpages/hour. # What I Build - Distributed crawling architectures with centralized scheduling, monitoring & logging - High-concurrency Playwright / Puppeteer automation systems - Detection-aware systems with realistic browser simulation - Multi-account automation with full session lifecycle management - Proxy orchestration (HTTP/SOCKS) with identity consistency # Technical Stack - Backend & Automation: Node.js, Playwright, Puppeteer, Express - Frontend: JavaScript, Bootstrap, SCSS, Webpack - Infrastructure: Ubuntu Server, Docker, Nginx, PM2, Jenkins - Data Delivery: REST APIs, MongoDB, CSV/JSON/XLSX exports, Webhooks # Delivered Projects - Real estate data extraction platform (20K+ records) - E-commerce crawling system (2M+ products) - Google Shopping price monitoring infrastructure - StubHub ticket extraction multi-account platform with REST API - Google Ads multi-account automation system with REST API - IpLeaks — WebRTC/IP diagnostic testing platform I build stable, long-running automation systems designed to operate continuously under real-world anti-bot constraints.

🔥 I'm a backend developer with 4+ years of experience in software development, specializing in building robust server-side applications and APIs. My expertise includes designing efficient RESTful endpoints, managing databases, and optimizing server configurations to ensure performance, scalability, and reliability. 💡 With extensive experience in Node.js, Express.js, NestJS, and AWS, I focus on creating back-end solutions that meet complex business requirements. If you need support with back-end development or have questions, feel free to reach out—I’m here to help! 💡𝑺𝒌𝒊𝒍𝒍𝒔 𝒂𝒏𝒅 𝒆𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆: ✅ JavaScript ✅ TypeScript ✅ React ✅ Node.js ✅ Express.js ✅ Fastify ✅ Nest.js ✅ Sequelize /TypeORM ✅ PostgreSQL/MongoDB/Firebase ✅ Elasticsearch ✅ GraphQL ✅ Jest ✅ AWS ✅ Websockets ✅ JWT ✅ Docker ✅ Git ✅ GitHub 💡 𝑻𝒂𝒔𝒌 𝒎𝒂𝒏𝒂𝒈𝒆𝒎𝒆𝒏𝒕 𝒕𝒐𝒐𝒍𝒔: ✅ Jira ✅ Trello 🔑 Keywords: NodeJS NestJS ExpressJS ReactJS Next.JS TypeScript HTML5 CSS3 SCSS SASS Bootstrap Material-UI Webpack JavaScript Tailwind CSS GraphQL Firebase MongoDB PostgreSQL MySQL Elasticsearch Sequelize TypeORM Twilio SendGrid ReduxJS React Front-end development MERN stack API design SQL Amazon Web Services S3 EC2 Firebase RESTful APIs cloud platforms Websockets Docker Google Maps Socket.IO REST API

𝐋𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫 𝐚 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐢𝐧 𝐲𝐨𝐮𝐫 𝐭𝐢𝐦𝐞𝐳𝐨𝐧𝐞 𝐚𝐧𝐝 𝐫𝐞𝐚𝐝𝐲 𝐟𝐨𝐫 𝐪𝐮𝐢𝐜𝐤 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐡𝐞𝐥𝐩𝐢𝐧𝐠 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐭𝐮𝐫𝐧 𝐢𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐟𝐚𝐬𝐭 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐫𝐞𝐯𝐞𝐧𝐮𝐞 𝐠𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐧𝐠 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐰𝐢𝐭𝐡 𝐨𝐯𝐞𝐫 𝟓 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐒𝐚𝐚𝐒 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐚𝐧𝐝 𝐀𝐈 𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐟𝐨𝐫 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐚𝐧𝐝 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 Full Stack Developer | SaaS, AI & Web Application Expert (5+ Years Experience) 🚀 What I Can Help You Build SaaS Applications & MVP Development * Full Stack Web Applications * AI Applications & Chatbots * Business Automation Tools * CRM & Third-Party API Integrations * Admin Panels & Dashboards * Booking & Reservation Systems * E-Commerce Platforms * Backend APIs & Microservices * Application Optimization & Performance Improvements 🏢 Industries I Have Worked With Healthcare Appointment systems, patient management platforms, workflow automation systems Education (EdTech Learning management systems, course platforms, student dashboards Real Estate (PropTech Property listing platforms, booking systems, CRM integrations E-Commerce Order management systems, inventory control, marketplace integrations SaaS & Startups MVP development, scalable system architecture, product launch solutions 💼 What Clients Achieve Working With Me * Faster product launch without unnecessary complexity * Reduced operational costs through automation * Replacement of manual processes with smart systems * Improved user experience, retention, and conversions * Scalable software built for long-term growth 🛠 Core Tech Stack Backend Development PHP (Laravel), Python, Node.js Frontend Development React.js, JavaScript (ES6), HTML5, CSS3 Full Stack Architectures MERN Stack (MongoDB, Express, React, Node.js) MEAN Stack (MongoDB, Express, Angular, Node.js) Databases MySQL, PostgreSQL, MongoDB AI & Automation Python, AI APIs, workflow automation, web scraping, intelligent agents API & Integrations REST APIs, payment gateways, CRM systems, third-party integrations 📩 Let’s Work Together If you're looking for a reliable Full Stack Developer to build or scale your product, I am available in your timezone and ready for quick communication. Let’s turn your idea into a scalable, high-performance software product. 🔍 Relevant Keywords Full Stack Developer || SaaS Developer || Web Application Developer || AI Developer || Backend Developer || Frontend Developer || Laravel Developer || React Developer || Node.js Developer || Python Developer || MERN Stack Developer || MEAN Stack Developer || API Developer || REST API Development || CRM Integration Developer || Payment Gateway Integration || Booking System Developer || E-Commerce Developer || Dashboard Developer || Admin Panel Developer || Automation Developer || Business Automation Expert || AI Chatbot Developer || MVP Developer || Startup Developer || Scalable Web Applications || Software Engineer || Database Design || MySQL Expert || PostgreSQL Expert || MongoDB Expert || Performance Optimization || Web App Speed Optimization