
We are creating the future of video streaming and broadband solutions for your customers, today. Here at Harmonic our goal is your business success.

We are creating the future of video streaming and broadband solutions for your customers, today. Here at Harmonic our goal is your business success.
Sector: Virtualized broadband and video streaming/delivery solutions
Headquarters: San Jose, CA
Public status: Public (NASDAQ: HLIT)
Employee count: ~1,700
Broadband network virtualization and large-scale video streaming/broadcast distribution.
1988
Video streaming / Broadband networking
Listed as last_funding_date in company snapshot
“Publicly traded (NASDAQ: HLIT)”
About Us
Harmonic is a startup building the world’s most advanced mathematical reasoning engine, recently achieving Gold Medal-level performance on the 2025 International Math Olympiad (IMO). Backed by some of the world's most prominent investors, we are intentionally scaling our elite technical team.
We are seeking a highly motivated and skilled Research Engineer with expertise in model training, to focus on reasoning in formal and informal settings. The successful candidate will play a key role in scaling our reinforcement learning systems beyond human-level capabilities.
Responsibilities
Minimum Qualifications
Preferred Qualifications
What We Offer
Learn more about what we are working on!
New York Times Exclusive: Is Math the Path to Chatbots That Don't Make Stuff Up?
Sequoia Capital Training Data Podcast: Why Vlad Tenev and Tudor Achim of Harmonic Think AI Is About to Change Math—and Why It Matters
We are an equal opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or any other legally protected status.