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I am an experienced Senior Software Developer with a strong background in healthcare, fintech, and IoT solutions. I led the development of a real-time medical benefit and pharmacy verification system, integrating XML data from TransUnion and JSON from Surescripts, and created APIs for medical and prescription benefit checks using Spring WS, Spring Batch, and Angular. I also worked on smart home solutions, including a smart door lock system using Node.js, React.js, and Firebase. In fintech, I played a key role in launching Nepal’s first wallet system, integrating multiple banks for money transfers and enabling bill payments, as well as transitioning monolithic architectures to microservices. I have hands-on experience with tools like Kafka, ActiveMQ, Jenkins, and Vault, and have managed CI/CD pipelines with Kubernetes and GitLab Runner. Additionally, I’ve implemented secure authentication protocols, including SSO solutions using Okta, Auth0, and Google Auth, and have led several successful offshore projects in healthcare, real estate, and IoT.

I am a Full-Stack App Expert with 6+ years of experience building production-grade mobile and web apps for startups, enterprises, and SaaS platforms. From MVPs to large-scale releases, I deliver complete end-to-end solutions with beautiful UI, scalable backends, and AI-assisted workflows that help me ship faster without compromising quality. ⚙️ My Skills & Tech Stack 1. Frontend → Flutter, React, Next.js, Tailwind, TypeScript 2. Backend → Node.js, Express.js, PostgreSQL, Firebase, Supabase 3. Cloud & Hosting → AWS (EC2, RDS, S3, Lambda), Google Cloud, Vercel, DigitalOcean, Render 4. Payments → Stripe, Razorpay, Apple Pay, Khalti 5. Real-Time & Streaming → Socket.IO, Ant Media, Agora, WebRTC, Firebase Realtime DB 6. AI & Intelligent Features → OpenAI APIs, custom recommendation engines, voice-controlled logic, automated QA bots 7. Testing & QA → Integration tests, unit tests, regression automation, CI/CD pipelines 8. Project Tools → GitHub, Jira, Trello, Figma, Notion, Slack 💡 How I Deliver Faster with AI ⚡ AI-assisted coding & refactoring for cleaner, modular architecture ⚡ Automated documentation & API summarization for faster onboarding ⚡ Smart test generation that detects edge cases early ⚡ AI-powered sprint planning for realistic timelines and milestone predictability ⚡ Rapid prototyping & validation using custom AI scripts and OpenAI tools 💪 Why Clients Hire Me ✅ Full-Stack Expertise — From design systems to scalable backend APIs ✅ AI-Enhanced Workflow — Smarter code, faster delivery, fewer revisions ✅ End-to-End Ownership — Figma to production and beyond ✅ Proven Real-World Results — Scalable apps used by thousands ✅ Clear Communication — Transparent updates, collaborative workflow ✅ Agile & Reliable — Weekly sprints, CI/CD automation, clean handovers ✅ Post-Launch Support — Maintenance, analytics, optimization, and scaling 🤝 Let’s Build Something Great If you’re looking for a full-stack developer who combines deep technical expertise with AI-driven efficiency, you’ve found the right dev. Let’s connect and bring your idea to life - faster, smarter, and production-ready.

Senior Software Developer | Future Co-Founder | Startup Engineer | Contractor React • Next.js • Node.js • Express.js • Nestjs • TypeScript • Python • FastAPI • AI SaaS • MVP Builder • POC • LLM • ChatGPT • Claude • Gemini I'm a senior full-stack engineer with 5+ years of experience building high-impact, scalable applications across SaaS platforms, internal tools, AI-powered products, and Chrome extensions. Whether you need a developer to ship features fast, a tech lead to guide your team, or a co-founder who can turn vision into reality, I bring the versatility and ownership mindset to make it happen. 💻 Startup Experiences 1. Nextrep: - Led full-stack development of NextRep AI (with Next.js and Nest.js) and contributed towards front-end and back-end development with the technology stack. - Integrated top LLMs in the market, including OpenAI’s ChatGPT, Anthropic Claude, and Google Gemini. - Built a Chrome extension to scrape relevant user details from LinkedIn profiles and Sales Navigator pages. - Optimized network query and built custom drag-n-drop editor for smoother UX. 2. OpenProsper: - WebAtlas: Developed entire application with NextJs and wrote multiple NodeJS scripts for data pipeline and crons. - Moonpad: Developed and implemented full-stack solution with NextJS and FastifyJS for Moonpad, a web analytics platform, boosting performance and reducing operation cost. Optimized backend endpoints performance by 25% with query optimization and code optimization. - ProsperCircle: Built a job aggregator platform with powered by LLMs, included resume generators and job matching features. - ZenPrompts: Built prompt tooling system that supported prompt versioning, prompt sharing, prompt comparison an profile building. ⚡ Highlights of My Work - AI-Powered Chrome Extensions: Built a sales enablement tool for LinkedIn using ChatGPT, Claude, and Gemini. Automated outreach pipelines, saving 40% of operational time. - Performance Engineering at Moonpad: Rewrote data-heavy endpoints, cutting server response times by 25% and significantly reducing infrastructure costs. - MVP to Scale at WebAtlas: Architected a full-stack stack to scan and analyze millions of web tech profiles. Built data pipelines, dashboards, and analytics tools. - Rapid Prototyping with Replit + Vercel: Turned startup ideas into functional MVPs live on Replit, deployed instantly to Vercel, and iterated fast based on user feedback. 🔧 My Toolkit Frontend: React, Next.js (App + Pages Router), TailwindCSS, shadcn/ui Backend: Node.js, Express, Fastify, NestJS, PostgreSQL, MongoDB, Python FastAPI DevOps: Vercel, AWS (Lambda, S3, EC2), Azure, Docker, GitHub Actions AI Integration: OpenAI, Anthropic, LangChain, vector DBs Automation: Puppeteer, Playwright Others: Supabase, Firebase, Stripe, Notion/Airtable APIs AI tools: Lovable, Replit, v0.dev 💼 Roles I’m Open To - Senior Full-Stack Developer - Technical Lead / Engineering Manager - Founding Engineer or Technical Co-Founder - Fractional CTO for early-stage startups ✅ Why Clients Work With Me 1. I bring clarity and speed to early-stage ideas—prototype, validate, ship 2. I own the problem—not just the code—and align deeply with product goals 3. I write clean, testable, well-documented code ready for scale 4. I’ve led teams, mentored junior devs, and contributed to product strategy 5. I’m Upwork Javascript Front-End certified 📩 Let’s Connect I respond quickly and communicate clearly. If you’re looking for someone who codes like a founder and thinks like a product manager send me a message or invite me to your project. Let’s build something that matters.

Looking for a Developer Who Brings Your Vision to Life? I’m here to provide you with top-notch, Full-Stack Development (React, Node, Next.js, React Native, AWS) honed over 6+ years of experience. Clients trust me to deliver efficient, high-quality work that drives results, from Strategic Planning to Seamless Deployment—and I’m ready to do the same for you. Why Choose Me for Your Project? JavaScript is at the heart of my development approach, allowing me to build fast, scalable, and modern solutions that suit your exact needs. What You’ll Get? - Core Technologies That Work for You: JavaScript, React.js, Next.js, Node.js, React Native. Dependable AWS Expertise: Setting up, scaling, and optimizing AWS environments (EC2, S3, RDS, Elastic Beanstalk) so you don’t have to worry about infrastructure. - User-Centric UI: A responsive, engaging design that keeps your audience coming back. - Seamless Integrations: Effortless connection with Stripe, Twilio, Sentry, and other key third-party services. Ready to bring your project to life? Let’s work together to make it a success from start to finish!

Need a reliable full-stack developer to build a modern web application or scalable API? I’m a Full Stack Developer specializing in Node.js, React, NextJS, TypeScript, PostgreSQL and Supabase, helping startups and businesses build fast, secure, and scalable web applications. I focus on building systems that are easy to maintain, scale smoothly, and remain stable in production. I care deeply about clean architecture, maintainable code, and performance, ensuring that applications remain reliable as they grow. 🧠 Tech Stack Frontend React.js • Next.js • TypeScript • JavaScript • Responsive UI Backend Node.js • Express.js • REST APIs • Backend Services Database PostgreSQL • Supabase • MongoDB Infrastructure & Tools Redis • Docker • Git • CI/CD • Cloud Deployment Authentication JWT • OAuth • Single Sign-On (SSO) • Secure Auth Systems 💼 Services I Offer ✔ Full-Stack Web Application Development ✔ Node.js Backend & REST API Development ✔ React / Next.js Frontend Development ✔ Authentication Systems (JWT, OAuth, SSO) ✔ Database Design & Optimization (PostgreSQL, Supabase) ✔ Caching & Performance Optimization (Redis) ✔ Scalable Backend Architecture ✔ API Integrations & Third-Party Services ⚡ Experience Highlights • Built production backend systems including API services, authentication systems, and scalable data pipelines. • Implemented zero-downtime Elasticsearch indexing for reliable search infrastructure. • Built a fault-tolerant AWS S3 upload pipeline with filename sanitization to prevent production errors. • Integrated Single Sign-On (SSO) into healthcare applications to enable secure authentication across platforms. 💡 How I Work • Write clean, maintainable, well-structured code • Build scalable systems that grow with your product • Focus on performance, reliability, and security • Communicate clearly and deliver consistently If you're looking for a Full Stack Developer who can build scalable web apps, APIs, and backend systems using Node.js and React, feel free to reach out. Let’s build something reliable and production-ready.

🏅 Top Rated | Job Success: 100% | 8+ Years Full-Stack Development Experience 💰 Earnings: $6k+ | ⏰ Hours Worked: 300+ | 30+ Completed Projects 👨‍💻 About Me Hi! I'm Prajwal Rai, a Senior Full-Stack Developer with 8+ years of experience delivering modern, scalable, and high-performance web applications. I specialize in Laravel, Node.js, Vue.js, React.js, and cloud deployment, building secure, maintainable, and user-friendly platforms. Whether it’s SaaS apps, real-time dashboards, or complex API integrations, I focus on scalable solutions that deliver real business value. 🔧 Why Hire Me ✅ Top Rated with 100% Job Success Score ✅ Expertise in full-stack development, cloud deployment, and enterprise-grade solutions ✅ Clean, maintainable, and scalable code ✅ Strong communication & deadline commitment ✅ Proven track record with 30+ successful projects 💻 Skills & Expertise Frontend: Vue.js, React.js, Next.js, Nuxt.js, JavaScript, TypeScript, Bootstrap, Tailwind CSS Backend: Laravel, Node.js, Express.js, NestJS, REST & GraphQL APIs Databases: MySQL, MongoDB, PostgreSQL Version Control & Deployment: Git, GitHub, GitLab, Bitbucket, Docker, CI/CD Cloud & Hosting: AWS (EC2, S3, RDS), DigitalOcean, Heroku 🌟 Portfolio Highlights KidsCorner – Full-featured school management app with parent, teacher, admin, and supervisor modules Nepvox AI – AI-based Text-to-Speech, Speech-to-Text, and Text-to-Image platform Dimitra EUDR – Blockchain & AI-powered agricultural compliance platform KoiZai – Cloud-based AdviceTech financial planning platform Check out my work: github.com/Prajwal100 💎 Bonus / Extra Credibility I am also the Founder & CEO of Nepvox AI, a cutting-edge AI platform for TTS, STT, and text-to-image applications. Leading my own AI product has given me deep technical, architectural, and business experience, which I bring to every client project — ensuring scalable, high-quality, and innovative solutions. 🚀 Let’s Build Your Project I help businesses and startups turn ideas into scalable, high-performance web applications. 📩 Message me now to discuss your project and get a reliable, expert solution!