Varun Gujarathi

Software Engineer

Hi, I'm Varun Gujarathi

Just another nerd who loves to build cool stuff.

I build secure, scalable, and reliable software — from ad tech infrastructure at LiveRamp to open-source live streaming. Currently based in New York.

About Me

I'm a software engineer who moves fast, thinks in systems, and keeps revenue and business impact at the center of every technical decision. I don't just build what's asked — I ask whether it's the right thing to build, de-risk it before others notice the problem, and change gears quickly when the situation demands it.

I have a strong product sense and operate with an ownership mindset. I take complex, cross-team problems end-to-end — from design and alignment through implementation, validation, and cleanup. I care about patterns that scale beyond the initial project, so that what I build continues to deliver value after I move on.

I'm deliberate about focusing on the right things — not just the technically interesting ones. I push for clarity when there isn't any, reduce manual overhead through automation and tooling, and enable other engineers through design reviews, documentation, and mentorship. I use AI as a force multiplier in my own work and actively help teams adopt it in practice, not just in theory.

Education

Master of Science

Computer Science

Santa Clara University

Sept 2022 – June 2024

Bachelor of Technology

Electronics Engineering

Vishwakarma Institute of Technology, Pune

Aug 2016 – May 2020

Certifications & Awards

  • AWS Certified Cloud Practitioner (CLF-C02) · March 2024
  • HSBC Best New Grad 2020 — fraud detection & infrastructure
  • 1st place, undergrad capstone project (110 teams)

Experience

Software Engineer

· LiveRamp

Dec 2024 – Present

  • Optimizing Ad Inventory Curation with an agentic system using LangGraph & a semantic layer
  • Enabled ingestion of Impression & Conversion logs for Ads Measurement and campaign optimization
  • Fixed critical Hadoop MapReduce bug on Dataproc, reducing compute time by 66% and cutting costs
  • Migrated from legacy event streaming to Kafka within 6 weeks, reducing operational overhead

Software Engineer

· Fuel AI

Jul 2024 – Nov 2024

  • Architected a scalable data marketplace platform in Golang, increasing user engagement by 40%

Software Engineer

· HSBC

Sept 2020 – June 2022

  • Reduced banking fraud by 60%, saving $2M annually via real-time fraud detection with Spring Boot REST APIs
  • Improved RTP request response time by 73% with a multi-threaded Spring Integration router
  • Trimmed infrastructure costs by 30% by migrating microservices to AWS EKS with Docker and Jenkins
  • Enabled SIM-Swap compliance reaching 14M+ U.K. customers in 15 days

Machine Learning Intern

· Shyena Tech Yarns

Jan 2020 – Jul 2020

  • Built event-driven microservices using Python, Kafka, and PostgreSQL to analyze customer behavior
  • Increased retail store revenue by 22%

Skills

Languages

Go Java SQL JavaScript Python Bash

Frameworks

Gorilla/Mux Spring Boot React.js jQuery WebSockets LangGraph

Tools

PostgreSQL Bigtable BigQuery Kafka Redis Swagger

Cloud & DevOps

AWS GCP Docker Kubernetes Terraform Helm Jenkins ArgoCD

Projects

Owncast

Open source contributor. Integrated gorilla/websocket for real-time chat (25% engagement increase) and fixed a critical username sanitization bug for 50k+ users.

Go React.js

Video Party

P2P video streaming app supporting 1000+ simultaneous viewers using WebRTC and WebSockets.

Spring Boot React.js WebRTC WebSockets

Extracurricular

Head of Robotics Club

Led 25 engineers to 6th place in an international robotics competition. Built an intelligent quadrupedal robot.

vitpunerobotics.com →

Website Lead, Student Council

Led college website development handling 10K+ peak traffic. Mentored 4 developers on ReactJS and AWS.

epecvitpune.com →

Executive Producer, TEDxVITPune

Orchestrated stage design, production, and content for a 500+ attendee TEDx event with thousands of live stream viewers.

tedxvitpune.in →

Get in Touch

Have a project in mind or just want to connect? Send me a message.