# Arjun Balaji

> Rox | CS @ UC Berkeley

Location: Fremont, California, United States
Profile: https://flows.cv/arjunbalaji

I'm a senior at UC Berkeley studying Computer Science and Data Science. I'm passionate 
about agentic AI systems, backend engineering, and full-stack development. Feel free to reach out—I'd love to connect!

## Work Experience
### Engineer @ Rox
Jan 2026 – Present

### Software Development Intern (Agents) @ Amazon Web Services (AWS)
Jan 2025 – Jan 2025 | San Francisco, CA
Integrated task-specific subagents into Amazon’s AI terminal agent (Kiro), driving 50% context-window savings and 4× parallelism.

### Software Engineer Intern (Backend) @ BILL
Jan 2024 – Jan 2024 | San Jose, California, United States
• Developed a public Zapier integration for BILL, empowering no-code automations for 460,000+ SMBs.
• Facilitated AP/AR integration with 7,000+ third-party apps via APIs, polling, and webhooks for real-time data sync.
• Built a GitLab CI/CD pipeline to automate the development lifecycle, including building, testing, and deploying.
• Primarily Used: Node.js, Java, Jest, Postman, JUnit

### Software Engineer Intern @ Alpine Optoelectronics, Inc.
Jan 2023 – Jan 2023 | Fremont, California, United States
• Enhanced database performance by 165% via restructuring, delivering rapid query responses for 19 million+ entries.
• Developed optical engineering website with streamlined testing, graphing, and complex photonics wafer calculations.
• Implemented an accessible dashboard for seamless user and test management, eliminating complex SQL queries. Introduced automated backup strategies for Linux server maintenance (cron).
• Primarily Used: Django (Python), mySQL, Nginx, Gunicorn, jQuery, Javascript, Linux

### Data Science Intern @ East Bay Community Energy
Jan 2023 – Jan 2023 | San Francisco Bay Area
Predicted customer income levels using smart meter energy data.

### Director of Technology | Full-Stack Developer @ Epsilon Hacks
Jan 2019 – Jan 2021 | San Francisco Bay Area
Organized an international hackathon with over 350 high school students from around the world.

### Research Assistant @ University of California, Berkeley
Jan 2020 – Jan 2021
Machine learning on low-propensity voters


## Education
### Bachelor of Arts - BA in Computer Science
University of California, Berkeley

### Computer Science
Irvington High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/arjun-balaji
- Portfolio: https://arjun37602.github.io/portfolio

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Source: https://flows.cv/arjunbalaji
JSON Resume: https://flows.cv/arjunbalaji/resume.json
Last updated: 2026-04-10