SELVAN S
Full Stack Developer – ASP.NET Core & React
Full Stack Developer with 1.5+ years of experience building scalable web applications using ASP.NET Core and React. Strong in RESTful API development, frontend state management, and database integration (MySQL, MongoDB). Experienced in Agile environments, production support, and delivering end-to-end features from development to deployment.
Technical Skillset
A snapshot of the languages, frameworks, and tools I work with.
Languages
C#
JavaScript (ES6+)
TypeScript
Python
Frontend
React
Redux
HTML5
CSS3
Tailwind CSS
Backend
ASP.NET Core Web API
Node.js
Express.js
AI & Vector Search
LangGraph
LangChain
Agentic RAG
ChromaDB
HuggingFace
Vector Databases
API & Security
RESTful APIs
JWT Authentication
Role-Based Access Control (RBAC)
Databases
PostgreSQL (Supabase)
MySQL
MongoDB
ChromaDB
Tools
Git
GitHub
Postman
Streamlit
Groq
Practices
Agile/Scrum
Debugging
Production Support
Professional Experience
My journey and contributions in the tech industry.
DevBee INC
Coimbatore, India
Software Developer
Jul 2024 – Present
- Developed and enhanced 6+ production-ready frontend modules using React (TypeScript, Redux), ensuring responsive and reusable component architecture.
- Designed and implemented RESTful APIs using ASP.NET Core to support business workflows and data validation.
- Integrated MySQL and MongoDB databases; optimized queries, reducing average API response time by ~10–15%.
- Resolved 20+ production issues and reduced recurring defects through root cause analysis and permanent fixes.
- Delivered 3+ end-to-end features from requirement analysis to deployment in Agile sprints.
- Participated in peer code reviews and managed version control using Git-based workflows.
Personal Projects
A selection of projects I've built.
Multimodal AI Shopping Agent – Agentic RAG Application
An autonomous AI shopping assistant orchestrating semantic search, visual discovery, review analysis, and guardrailed order checkout.
Python
LangGraph
LangChain
ChromaDB
Groq
Streamlit
Supabase
HuggingFace
- •Architected an Agentic RAG pipeline using LangGraph to orchestrate semantic product search, sentiment-aware review lookup, and transactional checkout.
- •Embedded a Supabase PostgreSQL product catalog using HuggingFace sentence-transformers into a persistent ChromaDB vector store for accurate semantic retrieval.
- •Integrated a multimodal image-search tool powered by Groq vision models, allowing users to find matching catalog products directly from uploaded photos.
- •Implemented transactional guardrails to validate user intent and resolve catalog item IDs, blocking invalid checkout requests prior to database commits.
- •Engineered an interactive conversational UI with Streamlit supporting persistent chat history and image upload; deployed to Streamlit Community Cloud.
Zoomcar Clone – Full Stack Car Rental Platform
Built a full-stack car rental platform with vehicle listing, booking, and user management features.
React
Tailwind CSS
ASP.NET Core
JWT
Stripe
- •Implemented JWT-based authentication and role-based access control (Admin/User).
- •Designed RESTful APIs for booking workflows and vehicle management modules.
- •Integrated Stripe payment gateway for secure online transactions.
- •Developed responsive UI using Tailwind CSS for cross-device compatibility.
Todo List Application – Task Management System
Developed a full-stack task management application with user authentication.
React
MongoDB
Express.js
Node.js
- •Designed and implemented CRUD APIs with MongoDB integration.
- •Implemented form validation and protected routes.
- •Built a responsive and clean user interface for improved usability.
Get In Touch
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