🚀 Top Rated Full Stack Developer | 100% Job Success Score I help startups, SaaS companies, and growing businesses build, optimize, and scale modern web applications from idea to production. With experience across frontend development, backend architecture, API development, database design, automation testing, and performance optimization, I can contribute throughout the entire software development lifecycle. My experience includes building and maintaining SaaS platforms, fintech applications, e-signature systems, business management tools, AI-powered applications, and complex enterprise workflows. 💻 Frontend Development • React.js • Next.js • Angular • JavaScript (ES6+) • TypeScript • HTML5 • CSS3 • Tailwind CSS • Bootstrap • Material UI (MUI) ⚙️ Backend Development • Node.js • Express.js • Golang • REST APIs • Authentication & Authorization (JWT, OAuth) • Microservices • Third-Party API Integrations 🗄️ Databases • MongoDB • PostgreSQL • MySQL • Database Design • Query Optimization 🧪 QA & Test Automation • Cypress • Playwright • End-to-End Testing (E2E) • API Testing • Regression Testing • Test Case Design • Defect Tracking • Quality Assurance ☁️ DevOps & Tools • Docker • Git • GitHub • GitLab • CI/CD Pipelines • Postman Recent work includes: ✔ Building and maintaining a digital e-signature platform with complex document workflows. ✔ Developing fintech solutions involving account management, onboarding flows, and financial operations. ✔ Creating automated test suites that significantly reduce manual testing effort. ✔ Integrating AI and real-time communication features into web and software applications. ✔ Optimizing slow applications to improve performance, scalability, and user experience. Clients work with me because I deliver clean, maintainable code, communicate clearly, and focus on solving business problems—not just completing tasks. Whether you need a Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, Golang Developer, QA Automation Engineer, Cypress Tester, Playwright Tester, or someone to maintain and improve an existing application, I can help. Let's discuss your project and identify the fastest path to a successful delivery. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer, Senior Software Engineer, Node.js, Next.js, React.js, Web Development, Mobile Development, Backend Development, Frontend Development, Full Stack Architecture, MERN Stack Developer, MERN, Next.js Developer, MVP, Redis, TypeScript, React TypeScript, Claude Code, Claude, AI Automation, AI, AI SaaS, AI Developer, AI Engineer, AI SaaS Developer, Generative AI Developer, GPT Developer, OpenAI Developer, Claude Developer, AI Automation Expert, GraphQL Developer, API Development, REST API, SaaS, AWS, Docker, Kubernetes, CI/CD, n8n, Replit, Lovable

I am a professional Full-Stack Web & Mobile App Developer with over 8 years of experience. Proudly ranked TOP RATED PLUS on Upwork, I specialize in helping businesses and brands grow online by providing expert-level design, development, architecture, and server management solutions. I excel at solving complex problems and delivering robust, scalable, and secure systems tailored to your needs. What I Offer I ensure modern, fast-loading websites and applications built with best coding practices, optimized database management, and SEO-friendly designs. My services include end-to-end solutions, from development and deployment to server setup, maintenance, and ongoing support. Key Skills & Expertise ✅ Languages & Frameworks PHP, Laravel Node.js, Express.js React.js, Next.js Python, Golang ✅ Databases MySQL PostgreSQL MongoDB ✅ Frontend & UI/UX HTML5, CSS3, Bootstrap, Material Design JavaScript, jQuery AJAX, JSON ✅ Other Core Skills REST API Development & Integration Payment Gateway Integration + OTP Solutions eCommerce Development Cloud Computing & AWS CI/CD, DevOps, and Automation Git Version Control Web Security & Performance Optimization ✅ Server Management -Server Setup & Configuration -Nginx & Apache Management -Cloud Hosting (AWS, DigitalOcean, etc.) -Performance Monitoring & Optimization -Backup & Disaster Recovery Plans -Server Cost Optimization -Firewall Setup & Security Hardening Specialized Services -Full-Stack Web Development -Web Design & Development -eCommerce Solutions & Modules -API Integration & Development -Business Logic & Sales Funnel Development -Analytics for eCommerce -Bug Fixing & Code Refactoring -Single Page Applications (SPA) -Server Configuration & Maintenance -Business Email Design & Development Why Work With Me? 🔹 100% Satisfaction Guaranteed 🔹 On-Time Delivery – I meet all deadlines, no exceptions 🔹 Error-Free Code with clean, maintainable structure 🔹 SEO & Mobile-Friendly Designs 🔹 Cross-Browser Compatibility 🔹 Lifetime Support & Maintenance 🔹 Optimization for Cost Reduction 🔹 A friendly and professional approach I am highly experienced in modern tools and methodologies, such as Laravel queues and background jobs, Node.js Bull queue system, scheduler setups, and advanced server management with CI/CD pipelines. I’m ready to partner with you to bring your ideas to life. Whether it’s developing an entire system from scratch, managing your server infrastructure, or scaling your existing platform, I’m here to help. Feel free to reach out—I look forward to hearing from you! Thanks for your valuable time, DeveloperRijan

I help startups turn messy, prompt-driven codebases into reliable products. I’ve led full-stack builds across Next.js/React, Golang, Nestjs and AWS shipping multi-tenant SaaS, browser extensions, and AI-powered workflows. Selected results - Orrderlo (DE): Multi-tenant restaurant SaaS with subdomains, i18n, coupons, reservations. Result: 40% faster onboarding, 20% faster order processing. - Trustworthy (Chrome Extension): Share case studies, import LinkedIn testimonials, integrated share to Gmail/LinkedIn. - A2Z Hire: AI-driven hiring dashboard with RBAC and automated candidate-job matching. Result: 50% less manual screening, 40% better decision accuracy. - Biztrology: Restaurant management + crypto rewards, live delivery updates. Result: 35% faster APIs, +40% engagement. - Hindustan Scale Co.: Next.js + Expo app with BLE, RBAC admin. Result: delivered 2 weeks early; −30% manual ops. - Monolithon: Astro custom i18n for url path translation, Mautic/Paddle/FrappeCloud integrations. Result: +35% international engagement. How I work: - 24–48h kickoff with a short technical plan and milestones - Weekly demos; production-grade CI/CD from day 1 - Clear docs and ownership transfer on handover Tech Next.js, React, TypeScript, ShadCN/MUI, Vite, Astro, Golang, Node.js, PostgreSQL/PlanetScale, Prisma, tRPC, GraphQL, AWS (ECS, ECR, ALB, S3, CloudFront), Docker, GitHub Actions, Clerk, Expo/React Native, BLE.

Hey there! I'm Muh Faris, a software engineer with 6+ years of experience crafting backend systems. I'm passionate about clean code and building things that last. What I Do: - Write backend code in Golang (my favorite!), Javascript, Python, PHP - Build APIs (RESTful & GraphQL) using cool frameworks like Gorilla Mux, Echo. Nestjs, Nextjs, Laravel - Deploy like a boss with CI/CD (Docker, Gitlab CI, Github Actions) - Handle databases like a pro (MySQL, PostgreSQL, MongoDB, MariaDB) - Know my way around ReactJS and WordPress too! - Facebook Meta Ads API & Marketing API - Integration of Payment Gateway - Secure coding following OWASP Rule Why Choose Me? - I'm an expert in Golang and can build anything you need on the backend. - I can handle the whole project pipeline, from development to deployment. - I'm always up for a challenge and love working on innovative projects. Ready to Chat? I'm eager to hear about your project and how I can help your team succeed! Let's connect!

I build scalable, high-performance backend systems that handle real-world complexity. Top Rated Plus with 4.5+ years delivering production-ready microservices, APIs, and distributed systems. Current & Recent Work: - MCP Server Hub - Distributed platform for managing MCP servers with microservices, Redis/Kafka messaging, and Nomad/Kubernetes orchestration - Software Factory - Autonomous coding pipeline with Temporal workflow orchestration and multi-agent LLM execution - SuperPlane - AWS CodeArtifact and Route53 integrations (open source) - Tinode Chat - Core contributor to open-source messaging platform Core Stack: Go(Golang) - Microservices - gRPC/REST APIs - PostgreSQL - Redis - Kafka - Docker - Kubernetes - Temporal - HashiCorp Vault/Consul Building from scratch or scaling existing systems - let's discuss how I can help deliver robust, maintainable solutions.

Hi, my name is Toan — a passionate Full Stack Developer based in Danang, Vietnam. I have been a professional developer since 2009, bringing over 15 years of hands-on experience building robust server-side, web, and mobile applications. I am a good analytical problem-solver with a strong eye for design and a commitment to delivering high-quality solutions. I specialize in designing and delivering end-to-end solutions, from crafting scalable backend APIs to building polished, responsive frontends and cross-platform mobile apps. I love turning complex ideas into clean, efficient, and maintainable code. My tech stacks: + Backend: Golang, Node.js, GraphQL, AWS Lambda, AWS DynamoDB, ElasticSearch + Frontend: React.js, Apollo Client + Mobile: React Native, Flutter + Databases: PostgreSQL, MySQL, MongoDB, Firebase + DevOps & Cloud: Docker, Terraform, Kubernetes, AWS + Payments: Payment gateway integration (Stripe, etc.) Whether you need a high-performance REST or GraphQL API, a full-featured web app, or a cross-platform mobile solution, I bring a full-stack perspective to every project — ensuring all layers work together seamlessly. Since 2009, I have successfully designed and resolved complex technical challenges across a wide range of industries, always focusing on quality, performance, and maintainability. My ability to quickly understand problems and design smart, scalable solutions sets me apart. I value clear communication, meeting deadlines, and staying within budget. Freelancing has given me the opportunity to work with amazing clients worldwide, and I genuinely enjoy collaborating to bring great ideas to life. Thank you for visiting my profile — I look forward to working with you! Toan

You built your awesome product fast with AI — and it is working. I am here to help you with the next stage: clean architecture, a proper audit, security, and getting it ready to scale for real users and real traffic — with proper deployment and monitoring in place. I am senior software engineer and architect with 10+ years building production systems. I build intelligent systems with LLMs, agents, and automation, and I use AI tools heavily to move fast. — I bring engineering depth and AI speed together. Two ways I can help: I build AI-leveraged apps with the right architecture and security from the start — fast, but solid. And if you've already built something with AI, I audit it, close the gaps, and get it to true production grade. I am a Certified Kubernetes Administrator (CKA). I'll deploy your app in Docker containers to start, and can move it to a scalable Kubernetes cluster as it grows. Backend: Go, Node.js, microservices, PostgreSQL, MongoDB, Redis, Elasticsearch, WebRTC Infrastructure & DevOps: Kubernetes, Docker, Helm, Terraform, Ansible, CI/CD (GitHub Actions, GitLab CI, Jenkins, ArgoCD), and cloud across AWS, GCP, and DigitalOcean Frontend: SvelteKit, React / React Native software architect senior software engineer azure kubernetes kubernetes golang developer svelte microservices architecture elasticsearch webrtc developer devops kubernetes linux administrator ubuntu server — Awet Other: Looking back I see that I have tested the love of God abundantly in my life ! 🤩

I am a technology professional with a demonstrated expertise in developing and implementing high-impact systems. I bring a wealth of experience from my tenure at Microsoft, BBC and Remitly. Microsoft: At Microsoft, I played a pivotal role in enhancing the security posture of Azure-hosted applications. I led the development of an innovative Azure application vulnerabilities pipeline. This pipeline empowered app owners to detect security misconfigurations, enabling them to take remediation measures proactively. As a result, we successfully reduced hack attacks and application timeouts stemming from misconfigurations and security certificate expirations by an impressive 60%. BBC - The GRID: During my tenure at BBC, I contributed significantly to the success of the image Archive system known as "The GRID." This platform served as a central hub for image vendors, including Getty Images and AFP, facilitating seamless image uploads. As a key team member, I supported BBC news editors by providing easy access to a vast repository of images for online and TV stories. Remitly: In my role at Remitly within the external communication team, I worked on developing microservices to streamline and enhance communication processes. My contributions played a vital role in ensuring efficient and reliable communication channels for the organization. Achievements: Led a successful Azure application vulnerabilities pipeline at Microsoft, reducing security misconfigurations and timeouts by 60%. Contributed to the development and success of "The GRID" image Archive system at BBC. Developed microservices for external communication at Remitly. Spearheaded the development of a Kafka Streams pipeline for TV analytics at Icareus. Two-time speaker at the London Kafka Summit.

If your web or mobile app needs to ship fast, hold up in production, and take advantage of AI — I can build it. I'm a full-stack engineer with 3+ years building end-to-end applications across React/Next.js frontends, Node.js and Go backends, Flutter mobile apps, Web3 integrations, and AI-powered features. I take projects from design handoff to deployed product. 🚀 What I build — Web apps: React.js · Next.js · TypeScript · Tailwind — Backend APIs: Node.js (Express) · Go (Golang) · Python (FastAPI) — Mobile: Flutter · React Native (cross-platform) — Data layer: PostgreSQL · MySQL · MongoDB — AI integrations: OpenAI · Claude (Anthropic) · Gemini · LangChain · RAG pipelines · vector DBs (Pinecone, pgvector) · AI agents & tool use · streaming chat UIs — Web3: on-chain backend integrations · Go-based node clients · blockchain tooling — Infrastructure: Docker · CI/CD pipelines · REST & GraphQL APIs 🧠 How I work I treat every project like a product — not just a ticket. That means clean architecture, documented code, clear milestones, and no disappearing acts. You'll see progress demos regularly and get a codebase you can actually hand off or extend. Based in Ethiopia (UTC+3). Available for async collaboration with teams in Europe, the Middle East, and the Americas. → Send me a short brief: your goal, your stack preference (or let me recommend one), and your timeline. I'll reply within a few hours with a clear plan and estimate.

Hi there! For the last 7 years I have been professionally helping clients turn their ideas into a product. With proven ability of understanding customers' needs and outside the box thinking I am always eager to do the things right. If you want energetic, positive thinking problem solver with always fresh ideas in mind, I'm your man. Among areas of my expertise you might be interested in: - Qt - C++ - Rust - Golang - Blockchain - Cryptocurrency - Mobile, Desktop and Crossplatform Development.