BHAVIN SEN
AI-Powered full-stack developer
Available for new projects

Hello, I'm

Bhavin Sen

With 12+ years of expertise, I design and build AI-driven web and mobile products from LLM applications and RAG search to cloud-native systems and workflow automation. I ship production-ready solutions that create measurable business impact.

Full-Stack Cloud Native AI / LLM Automation REST / GraphQL
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Bhavin Sen
Open to freelance & contract work
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About Me

AI-Powered Full-Stack Developer

I'm Bhavin Sen, a senior full-stack engineer with 12 years of hands-on experience building AI-driven products that deliver real business ROI. I've led 250+ projects across fintech, healthtech, logistics, gaming, and e-commerce from concept to production.

I own the full development lifecycle: architecture, implementation, deployment, and post-launch optimization. Using cutting-edge AI tools like Cursor AI, Copilot, Lovable, and Replit, I accelerate delivery by 30-40% while maintaining production-grade quality.

Surat, Gujarat, India
bs.fullstack@gmail.com
github.com/bhavinsen
linkedin.com/in/bhavin-sen

Education & Experience

2018 - Present
Senior Freelance Software Engineer
Self-employed · AI-Powered Full-Stack
Dec 2017 - Jun 2018
Technical Lead
Globalia Soft LLP
Dec 2014 - Dec 2017
Senior Software Developer
Globalia Soft LLP
Jun 2013 - Dec 2014
Junior JavaScript Developer
Web Connect Pvt, Ltd.
2011 - 2013
Master of Computer Applications
Veer Narmad South Gujarat University
2007 - 2010
Bachelor of Computer Application
Gujarat Technological University
What I Deliver

AI-Powered Solutions

AI Strategy & LLM Apps
Build chatbots, copilots, and RAG-powered search. Identify high-ROI AI use cases and ship prototypes in weeks.
Full-Stack Development
End-to-end with React, Next.js, Node.js, TypeScript. Scalable architectures, clean code, production-grade quality.
Mobile Applications
Cross-platform mobile apps with seamless UX, real-time features, push notifications, and robust backend integration.
Cloud & DevOps
Deploy on AWS, GCP, or Vercel with autoscaling, CI/CD pipelines, containerization, and cost optimization.
API & Integrations
REST and GraphQL design, payment gateways, third-party integrations, real-time WebSocket and Socket.IO.
Database Architecture
Design of SQL, NoSQL, and vector databases. Data pipelines, migrations, and high-performance query optimization.
Process Automation
AI agents and intelligent workflow automation that eliminate repetitive work and save your team hours every week.
Analytics & Monitoring
Tracing, metrics, dashboards, and feedback loops to improve performance, prompts, and user experience.
Technical Expertise

Full-Stack + AI Stack

Cursor AI
Cursor AI
98%
Copilot
GitHub Copilot
97%
Lovable
Lovable
92%
Replit
Replit
90%
44
Base44
88%
ChatGPT
ChatGPT/GPT-4
99%
Claude AI
Claude AI
95%
React
React.js
96%
Next.js
Next.js
95%
Vue
Vue.js
88%
TypeScript
TypeScript
97%
JavaScript
JavaScript
98%
HTML5
HTML5
99%
CSS3
CSS3
97%
Redux
Redux
93%
Node.js
Node.js
96%
Express
Express.js
95%
NestJS
NestJS
90%
Python
Python
88%
Django
Django
86%
PHP
PHP
85%
Laravel
Laravel
84%
GraphQL
GraphQL
92%
MongoDB
MongoDB
95%
PostgreSQL
PostgreSQL
93%
MySQL
MySQL
94%
Firebase
Firebase
92%
Redis
Redis
87%
SQLite
SQLite
89%
AWS
AWS
88%
GCP
Google Cloud
85%
Docker
Docker
86%
Heroku
Heroku
90%
Vercel
Vercel
95%
Kubernetes
Kubernetes
82%
Bootstrap
Bootstrap
97%
Tailwind
Tailwind CSS
95%
MUI
Material UI
93%
Ant Design
Ant Design
91%
Chakra UI
Chakra UI
88%
Shadcn/UI
Shadcn/UI
90%
Styled Components
Styled Comp.
87%
Framer Motion
Framer Motion
85%
Git
Git
100%
GitHub
GitHub
100%
GitLab
GitLab
100%
Bitbucket
Bitbucket
100%
Portfolio

AI-Driven Projects

Selected case studies and live projects shipping real value with modern stacks.

Case Study · AI Platform
Sherpa Documentation
AI-powered documentation platform with semantic search, real-time collaboration, and intelligent content organization.
ReactNode.jsMongoDBAI/NLP
Case Study · No-Code
AppWizard Platform
AI-powered app builder automating development workflows and reducing delivery time by 40% with smart code generation.
Next.jsTypeScriptAI/ML
Case Study · Automotive AI
Chat2Cars
Intelligent automotive chatbot using NLP for seamless customer interactions, lead qualification, and real-time support.
ReactNLPFirebaseNode.js
Case Study · Logistics
BaggageTaxi
Logistics marketplace connecting travelers with baggage transport with real-time tracking, payments, and scheduling.
Vue.jsExpressPostgreSQL
Case Study · Enterprise
Sentry Software
Enterprise monitoring with real-time analytics, predictive maintenance, and ML-driven anomaly detection.
ReactDjangoAWSML
Case Study · HealthTech AI
DentalNote AI
AI-powered dental practice management with automated clinical note-taking, scheduling, and patient analytics.
Next.jsAI/NLPMongoDB
Case Study · Gaming
Player Character Games
Multiplayer gaming platform with real-time gameplay, social features, and WebSocket-powered interactions.
Next.jsNode.jsWebSocket
Live Project · FinTech
Join LeadOff
Private equity marketplace democratizing investment in India. Live UPI payments via Socket.IO and complex price logic.
ReactNext.jsSocket.IOMongoDB
Live Project · NFT Platform
MusicArt NFT
Unique NFT platform celebrating music-based art. Built from scratch with Firebase, Firestore, and real-time updates.
Next.jsFirebaseNFTMUI
Live Project · PropTech
OpenHouse Direct
Real estate open-house platform with ARMLS data syndication, Braintree payments, and multi-role access.
PythonDjangoAngularGCP
Case Study · Web3
Lootamo Platform
Decentralized rewards platform using blockchain for transparent, trustless reward distribution and user incentives.
ReactWeb3Blockchain
Case Study · Travel Tech
SimpleNight
Hotel discovery and booking with AI recommendations, live inventory management, and seamless payment integration.
ReactNode.jsPostgreSQL
View more on GitHub
How I Work

From Idea to Production

01
Discovery & Strategy
Deep dive into business goals, identify high-impact AI use cases, define success metrics, and assess data readiness.
02
Prototype & Validate
Rapid pilots using LLMs, embeddings, and vector search to validate value with working prototype in 1-3 weeks.
03
Build & Deploy
Ship secure, observable, scalable systems with guardrails, evals, and comprehensive test coverage.
04
Iterate & Scale
Close the feedback loop with analytics, A/B testing, and performance optimization for long-term success.
Client Reviews

What Clients Say

"
★★★★★
Bhavin delivered well beyond expectations. His AI integration expertise and full-stack architecture knowledge are exceptional. Highly recommended!
James L.
California, USA
"
★★★★★
Excellent communication and deep technical knowledge. Bhavin transformed our complex requirements into a beautiful, scalable product on time.
Sarah K.
London, UK
"
★★★★★
Top-tier expertise in React, Node, and AI tools. He managed the entire project lifecycle and delivered production-ready code with excellent quality.
Michael R.
Toronto, Canada
"
★★★★★
A rare combination of technical brilliance and great communication. Working with Bhavin was an absolute pleasure. Will definitely hire again.
Ahmed H.
Dubai, UAE
"
★★★★★
Incredible work on our fintech platform. Navigated complex Braintree integrations and real-time data feeds seamlessly. A true expert.
Lisa P.
New York, USA
"
★★★★★
Our AI chatbot was delivered ahead of schedule with impressive accuracy. Bhavin understood NLP requirements perfectly. Outstanding work.
François D.
Paris, France
Get In Touch

Have a Project?

Based in Surat, India, building world-class digital products for global clients. Let's turn your idea into reality.

Location
Surat, Gujarat, India
Upwork
Freelancer

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