Summary
Ruben Caldera is a Senior Software Engineer based in Denver with seven years of experience building production systems at scale, most recently driving LLM-powered homeowner experiences at Angi. He cut his teeth at Uber across multiple backend and frontend roles, shipping real-time marketplace enforcement, an intelligent content-serving engine, and high-impact intern projects that went to production within weeks. A Pomona College CS graduate and Daniels Scholar, Ruben pairs strong fundamentals with a knack for mentorship—he tutored 160+ students as a TA and continues to coach peers. He has hands-on ML and mobile experience from an internship where he built an RNN to capture speech disfluencies and delivered an iOS MVP plus backend. Comfortable across Go, React, backend services, and ML pipelines, Ruben likes to solve practical problems at the intersection of technology, entrepreneurship, and impact. Outside of work he’s an avid hiker and taco explorer, reflecting a curiosity that informs his engineering approach.
6 years of coding experience
6 years of employment as a software developer
Bachelor of Arts - BA, Computer Science, Bachelor of Arts - BA, Computer Science at Pomona College