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I will ai full stack developer react nextjs nodejs openai
devshakti
About this gig
Are you looking for an experienced Full Stack Developer to build a scalable, and AI-powered web application?
You're in the right place!
I have 5+ years of professional experience building high-performance web applications for startups and businesses using React, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, and modern cloud technologies.
I specialize in developing secure, scalable, and production-ready applications with clean architecture and maintainable code.
My expertise includes:
React.js
Next.js
Node.js & Express.js
TypeScript & JavaScript
MongoDB & PostgreSQL
REST APIs & GraphQL
FastAPI
JWT Authentication & OAuth
Stripe, Razorpay & PayPal Integration
OpenAI API, Gemini API & LangChain
AI Chatbots & RAG Applications
AWS, Docker & CI/CD
Services I offer:
Full Stack Web Application Development
SaaS Application Development
Custom Admin Dashboards
AI-powered Web Applications
REST API Development & Integration
Authentication & Authorization
Payment Gateway Integration
Database Design & Optimization
Performance Optimization
Bug Fixing & Feature Development
Why work with me?
5+ Years of Industry Experience
Clean, Secure & Scalable Code
Responsive Communication
Get to know devshakti
devshakti
Full Stack Engineer Generative AI AI Integration Specialist
- FromIndia
- Member sinceJan 2024
- Avg. response time1 hour
Languages
Hindi, English
Full Stack Engineer with 5+ years of experience designing and scaling high-performance web applications for UK,
US, and AUS-based clients. Proficient in React.js, Next.js, TypeScript, Node.js, Express.js, Python, and FastAPI
with hands-on Generative AI integration using Gemini API, OpenAI API, RAG pipelines, LangChain, and Vector
Databases. Delivered 10+ production projects — reduced API response times by 40%, improved AI search
accuracy by 70%, and maintained 99.9% uptime on AWS — with strong focus on authentication, performance
optimization, and Agile team collaboration.
Other Software Development Services I Offer
FAQ
What information do you need before starting the project?
Please share your project requirements, reference website (if any), design files (Figma/XD), feature list, API details, and hosting information if available. If you're not sure, I can help you plan the project.
Do you build complete full stack web applications?
Yes. I develop complete full stack applications using React.js, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, and modern backend technologies.
Can you integrate AI features into my application?
Yes. I can integrate OpenAI, Gemini, LangChain, AI chatbots, RAG-based search, AI assistants, and other AI-powered features based on your project requirements.
Can you fix bugs in my existing application?
Absolutely. I can debug and fix issues related to React, Next.js, Node.js, Express.js, databases, APIs, authentication, performance, and deployment.
Do you provide deployment support?
Yes. I can help deploy your application on AWS, VPS, Docker, Vercel, Render, or other cloud platforms, depending on your setup.
