Rangeesh Rajagopal

Rangeesh Rajagopal

Sr. Full-Stack Engineer

7+ years backend-focused full-stack engineer building scalable distributed systems, real-time data pipelines, and AI automation. Owns end-to-end delivery across backend (Python, FastAPI, Node.js), frontend (React, Next.js), and cloud (AWS).

Professional Summary

Designs resilient, low-latency services handling 10K–100K+ RPS. Expert in building scalable distributed systems with expertise in Python, FastAPI, Node.js, React, and Next.js.

Passionate about AI automation, real-time data pipelines, and cloud infrastructure. Proven track record of optimizing systems for performance, reliability, and scalability.

Professional Experience

Sr. Full-Stack Engineer

Jupitrr AI | Chennai

Oct 2024 - Dec 2025
  • Led end-to-end development of AI-assisted media editing workflows, contributing to 70% uplift in user adoption
  • Optimized AI-assisted editor pipeline, cutting processing time by 55% and reducing CPU usage by 30%
  • Spearheaded caching and async tasks, enabling system to handle peak loads with 99.95% uptime during product launch events
  • Implemented automated regression suite and linting, increasing release stability with 98% test success rate
Python FastAPI React Node.js TypeScript OpenAI AWS Bedrock Redis PostgreSQL

Sr. Software Engineer

Deloitte | Chennai

Mar 2024 - Oct 2024
  • Designed multi-agent enterprise conversational systems using Python, React, and LangChain to improve document discoverability
  • Implemented reflection and consensus strategies to enhance LLM answer quality, reducing variance by 25%
  • Integrated observability with Langfuse for evaluation, tracing, and faster debugging, cutting incident triage by 5 hours per week
  • Architected and deployed auto scaling to handle a 3x peak load, delivering 99.95% uptime
Python React LangChain Langfuse

Sr. Full Stack Engineer

Metafire Financial | Chennai

Mar 2023 - Mar 2024
  • Reduced API response time 42%, from 850ms to 490ms, enabling faster user interactions and 1.2x increase in throughput
  • Enhanced onboarding flow reduced setup time by 40% and increased new accounts by 2,000 in 3 months
  • Scaled deployment configuration to support peak loads and maintained 99.95% uptime during audits and seasonal spikes
  • Expanded test coverage from 54% to 88%, reducing production defects by 62%
TypeScript Node.js Express Redis MongoDB AWS

Sr. Software Engineer

Shiryam Technologies | Delhi

Feb 2021 - Mar 2023
  • Led 10+ engineers; instituted architecture and review practices to raise code quality and delivery consistency
  • Built an algorithmic trading platform handling 10K+ trades/day, improving throughput and stability
  • Automated infrastructure provisioning with Terraform 20 min to 0 min, accelerating deployments
  • Achieved $25K/day peak profit and materially increased release velocity through disciplined delivery practices
Terraform Python AWS

Featured Projects

Semantic Video Search

AI-Powered Video Search Engine

A semantic video search engine powered by ChromaDB that enables natural language search across video content. Search anything in your videos using conversational queries and instantly jump to relevant moments.

  • Natural language semantic search using ChromaDB vector embeddings
  • Deepgram integration for accurate transcription with word-level timestamps
  • Interactive transcript with clickable words and real-time video sync
  • Timestamp-based collaborative comments for video editing workflows
View on GitHub

Discount Store

Shopify Volume Discount App

A custom Shopify app that allows store owners to configure volume discounts (e.g., "Buy 2, get 10% off") with a complete admin panel, custom discount function, and theme app extensions.

  • Admin panel with product picker for configuring volume discounts
  • Custom Shopify discount function that automatically applies discounts at checkout
  • Theme app extensions with customizable discount messages on product pages
  • Full-stack implementation using React Router and Shopify Functions
View on GitHub

Gmail Actions

Rule-Based Email Processing Engine

A Gmail rule processor engine that connects with your email account and processes emails based on configurable JSON rules. Automate email management with flexible conditions and actions.

  • Gmail API integration with OAuth2 authentication for secure email access
  • SQLite database storage for efficient email querying and management
  • Flexible rule engine supporting multiple conditions (From, To, Subject, Date, Message)
  • Automated actions: mark as read/unread, move messages to labels, and more
View on GitHub

Nurexus

Journal of MedVerse Research & Practice

A medical research journal platform that enables researchers, faculty, residents, and students to showcase their research, foster collaboration, and access peer-reviewed articles in the medical field.

  • Searchable journal article database with advanced filtering capabilities
  • Article submission system for researchers to publish their work
  • Platform for showcasing research to a broad medical audience
  • Fosters engagement and collaboration among medical professionals
Visit Nurexus

SplitBiller

Free Expense Splitter

A free alternative to Splitwise that splits group expenses instantly. No signup, no account, just quick and easy expense splitting with complete privacy.

  • No login or signup required — works entirely in your browser
  • Privacy-first — all calculations run locally, nothing is stored
  • Mobile-friendly and lightweight for instant results
  • Perfect for restaurants, trips, roommates, and one-time expenses
Visit SplitBiller

AI-Assisted Media Editing Platform

Jupitrr AI

Designed and implemented AI-assisted media editing workflows with high-throughput pipelines for ingestion, transcription, segmentation, rendering, and export.

  • Architected high-throughput ingestion, transcription, segmentation, rendering, and export pipelines
  • Implemented frame-accurate previews integrating HLS and animation frameworks
  • Rebuilt rendering/export subsystems to achieve 98% reliability
  • Reduced manual editing effort by 70%

NFT APIs and Wallet Integrations

Metafire Financial

Developed Web3 features enabling secure on-chain journeys with wallet authentication, robust security controls, and real-time pricing.

  • Built end-to-end NFT APIs and wallet integrations; increased user conversion by 25%
  • Strengthened platform security with DDoS mitigation, reducing malicious traffic by 60%
  • Implemented wallet-based authentication to boost trust and reduce login friction
  • Developed real-time pricing schedulers backed by MongoDB and Redis

Technical Skills

Programming Languages

Python TypeScript JavaScript

Frameworks

FastAPI Django Express LangChain

Frontend

React Next.js Tailwind

Backend

Node.js

Databases

PostgreSQL Redis

Tools & Platforms

Terraform Git GitHub OpenAI NGINX AWS GCP

Education

Bachelor of Computer Science and Engineering

SRM TRP Engineering College | Trichy

April 2018

Get In Touch

Contact Information

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