Hi, I'm Sagar Sharma
Full Stack Developer building AI-powered web applications
Results-driven Full Stack Developer with 3+ years of experience building scalable web applications using the MERN stack, RAG pipelines, LLM integrations, and agentic AI workflows.

About Me
Who I am
Results-driven Full Stack Developer with 3+ years of experience building scalable web applications using the MERN stack. Proficient in React.js, Next.js, Node.js, Python, FastAPI, Express.js, GraphQL, PostgreSQL, Redis, AWS, Docker, and Kafka. Experienced in RAG (Retrieval-Augmented Generation) pipelines, LLM integration (OpenAI, Anthropic Claude), vector databases (Pinecone, pgvector), MCP (Model Context Protocol), text embeddings, and agentic AI workflows. Skilled in microservices architecture, REST/GraphQL API design, third-party integrations, and Agile/Scrum delivery.
Experience
3+ Years
Location
Bengaluru, India
Education
MCA, 8.79 CGPA
Focus
MERN + AI/RAG
Career
Work Experience
Full Stack Engineer
May 2026 — PresentBren Corporation
Bengaluru, India · Hybrid
- Developing and enhancing Bren Homes by building scalable, reliable, and user-centric features.
- Customizing and extending ERPNext 16 to streamline internal business processes and improve operational efficiency.
- Designing and developing scalable backend services using Node.js and FastAPI following microservices architecture.
- Building responsive and maintainable web applications using React.js with a focus on performance and usability.
- Optimizing application performance using Redis and event-driven architectures with Kafka where appropriate.
- Leveraging AI-assisted development tools to accelerate delivery, improve code quality, and automate repetitive tasks.
Full Stack Developer
Sep 2023 — May 2026Hello Mentor Pvt. Ltd.
Bengaluru, India
- Built RESTful and GraphQL APIs using Node.js and Express.js for student counseling, admissions, and document management workflows — improving system reliability by 25%.
- Developed React.js and Next.js UIs with Redux state management, achieving 20% faster page loads; integrated AWS S3 for secure file storage, reducing upload times by 30%.
- Implemented JWT-based authentication; designed optimized data models across PostgreSQL and MongoDB; applied Redis caching to improve API response times.
- Integrated Zoho APIs, JODO payment gateway, and SpeedLabs APIs; built Python/Puppeteer scraping pipelines for counseling data and exam results.
- Integrated MCP servers to expose tools to LLM agents; built a RAG pipeline with vector databases (pgvector/Pinecone) for semantic search-powered recommendations.
- Containerized services with Docker; followed structured Git branching in Agile/Scrum sprints.
Junior Full Stack Developer
Jan 2023 — Aug 2023Alpha World Tech
India
- Built and maintained full-stack features using React.js, Node.js, Express.js, and MongoDB; developed reusable UI component libraries that reduced frontend development time by 30%.
- Designed and consumed REST APIs for multiple client-facing modules; wrote unit and integration tests using Jest and Mocha achieving 80%+ code coverage.
- Implemented role-based access control (RBAC), form validations, and dynamic data rendering across web applications.
- Collaborated in a team of 5 engineers to deliver client projects end-to-end within deadline using Agile methodology, JIRA, and Git version control.
Stack
Skills
Languages
Frontend
Backend
AI & ML
Databases
Cloud & DevOps
Testing & Tools
Work
Projects
Secure Code Analyzer
A multi-agent AI platform for real-time code vulnerability detection. Integrated LLM agents with a RAG pipeline to analyze codebases and surface security risks using context-aware semantic retrieval, with Redis caching and Temporal for workflow orchestration.
My Bren
Mobile app for Bren Corporation's Brain Homes platform, published on the Google Play Store.
Hello Mentor Portal
Student counseling, admissions and document management portal built for Hello Mentor, supporting 4,000+ users in production.
Hello Mentor
Hello Mentor's core platform for student counseling and career guidance.
CloudGuardX
In ProgressA cloud security platform currently in active development.
Master of Computer Applications (MCA)
New Horizon College of Engineering, Bengaluru, Karnataka
Contact
Let's work together
I'm always open to discussing new opportunities, interesting projects, or just talking tech. Reach out through any of the channels below.