Hello! 👋

I'm Rishabh Bhatia

Senior Software Engineer | Tech Lead

About Me

Senior Software Engineer & Tech Lead with 7+ years of experience architecting and scaling distributed systems. Expert in backend engineering, microservices architecture, and system design. Proven track record leading engineering teams, designing high-performance APIs, and delivering products serving millions of users. Specialized in cloud infrastructure, performance optimization, and technical strategy.

Javascript React Node.js Python Golang Rust AWS Docker Kubernetes CI/CD Microservices System Design Database Design Postgres MongoDB Kafka OpenAI Integrations Langchain AI Agents Vector Databases

Experience

Senior Software Engineer

Zupee

Aug 2024 - Present
  • Led the team that built an AI-powered chatbot answering user queries using internal knowledge base—currently live for 3M+ users, resolving 40% of queries automatically.
  • Designed and delivered IPL SuperSix feature, engaging 5M+ users during the season and driving retention.
  • Technical Lead for new gaming product "Rummy," scaled to 500K+ downloads and 4K RPM within months of launch; implemented user experience design, customer support flow, in-app chatbot, and end-to-end transaction flow.
  • Architected migration away from Zookeeper, managing 200+ configs across 30+ microservices, improving reliability.
  • Developed AI-powered pre-commit Git tool to flag code issues before commits, reducing manual review effort.

Senior Software Engineer

Bolster India Pvt Ltd

Feb 2023 - Aug 2024
  • Optimized API and database query performance by implementing a caching layer, reducing response times by 60%.
  • Developed internal dashboard for threat-hunting team with real-time updates, task sharing, and auto-assignment via round-robin.
  • Worked on database optimizations to support 1.5M+ records/day.

Software Engineer - Backend

BrowserStack

Feb 2022 - Oct 2022
  • Automated testing frameworks (Espresso, XCUITest, Appium) for Android, iOS, SmartTV.
  • Created CI/CD plugins to allow users to run sessions on BrowserStack and receive real-time status updates.
  • Refactored and enhanced CLI tool used in CI/CD pipelines, adding synchronous behavior and streaming task updates.

Senior Software Engineer - Backend

Spenny (YCW20)

Jan 2020 - Feb 2022
  • Built a complete investment platform from scratch, including database design, now running with 30K DAU.
  • Integrated BSE Star MF APIs to place mutual fund orders with daily average value of $1M.
  • Integrated AUGMONT Digital Gold APIs to allow users to buy gold (15K daily average value).
  • Implemented Paytm and Razorpay UPI Autopay for seamless daily collections.

Software Engineer

Paymate India Pvt. Ltd.

Jul 2018 - May 2019
  • Developed algorithm to compute business credit scores from SME financial data, improving loan eligibility accuracy.
  • Implemented event-driven architecture with secure encryption and multiple payment integrations.
  • Built repayment dashboard with automated agent-defaulter matching system.

Projects

01

Qdesq.com

Redesigned system architecture, optimized APIs for faster response times.

System DesignAPI OptimizationNode.jsAWS
02

Fairphonic.com

Built user dashboard + AWS Cognito integration; refactored core codebase.

ReactNode.jsAWSAWS CognitoRefactoringBackend Development
03

ZeathAI (YCW21)

Built reports dashboard to handle 150+ images/report with minimal lag.

ReactDashboard DevelopmentPerformance Optimization
04

OtioAI

Built backend with Node.js + NestJS, integrated OpenAI + PineconeDB for parsing, summarization, embeddings.

Node.jsNestJSOpenAIPineconeDBBackend DevelopmentAI Integrations

Education

Bachelor of Computer Applications (BCA)

Guru Gobind Singh Indraprastha University

Jan 2015 - Jan 2018