Nikhil V.

Senior Full-Stack Developer | AI & Scalable SaaS Solutions

Full-Stack Developer with 8+ years of experience building scalable, high-performance web applications using Ruby on Rails, Node,js and React.js. I work with startups and growing businesses to design, develop, and scale SaaS platforms, marketplaces, and AI-powered applications. I focus on clean architecture, maintainable code, and fast, reliable delivery—helping turn ideas into production-ready products. Core Expertise =================== Full-Stack Development Ruby on Rails, Node.js (basic), RESTful APIs React.js, modern frontend architectures, API integrations End-to-end product development (backend + frontend) Backend Development Ruby on Rails (Devise, CanCan, OmniAuth, Capistrano, etc.) Background jobs: Sidekiq, Redis, DelayedJob Database design & optimization: PostgreSQL, MySQL, MongoDB, Firebase Scalable architecture & performance optimization Cloud: AWS, Heroku, DigitalOcean Frontend Development React.js (SPA development, component-based architecture) Responsive UI, performance optimization, seamless API integration AI & LLM Development Building AI-powered applications and workflows Experience with LLMs: Llama 2, Falcon, Mixtral, NeoX Tools & frameworks: LangChain, LlamaIndex Prompt engineering, fine-tuning, and AI integration Backend for AI apps using Python, FastAPI, Django Integrations Payment: Stripe, PayPal, Braintree Social APIs & OAuth: Google, Facebook, Twitter, Instagram Shopify App Development, Sharetribe customization What I Deliver Scalable SaaS platforms and MVPs AI-powered features and automation workflows Clean, maintainable, and well-documented code Reliable deployments and long-term support Why Work With Me Strong full-stack ownership (frontend + backend + AI) Experience across SaaS, E-commerce, EdTech, Fitness, and Recruitment domains Focus on performance, scalability, and business outcomes Clear communication and timely delivery If you’re looking for a full-stack developer who can build, scale, and integrate AI into your product, I’d be happy to connect.