I build scalable systems
that don’t break.
Full-stack engineer specializing in React, Node.js, and scalable backend systems — focused on performance, clarity, and long-term maintainability.
My Projects




Experience
A production-grade Retrieval Augmented Generation (RAG) system built for speed, accuracy, and reliability.
AI Document Chat (RAG)
Built a full-stack AI chatbot that allows users to query large document sets with accurate, cited answers. Designed to handle real-world API failures, latency, and streaming responses.
Core Flow: Embed → Retrieve → Generate → Cite
Challenges: Rate limits, API instability, citation accuracy
Solutions: Fallback models, caching layers, inline previews
95%
Accuracy
50+
Documents
2× Faster
Speed
Skill Stack
About Me
I’m Sai Kumar — a full-stack engineer focused on buildingreliable, scalable systemsusing React, Next.js, and Node.js. I care more about long-term maintainability than quick wins.
Full-Stack Development Certification
NxtWave
2024BSc in MPCS
City College, Hyderabad
2022 · GPA 7.87Intermediate
Telangana Model School & Junior College
2019 · GPA 9.16SSC
Telangana Model School
2017 · GPA 8.8Get in Touch
Have a project or idea? Send a message — I reply fast.

