Harmonic

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Raised $120M Series C on November 26, 2025

Harmonic is leading the development of Mathematical Superintelligence (MSI), having already developed a system that achieves 90% on MiniF2F, the top formal mathematics benchmark. Harmonic was founded by Robinhood CEO Vlad Tenev and Helm.ai co-founder Tudor Achim.

Palo Alto, United States

·

$120M Series C

·

Onsite

·

11–50

Research Engineer, Formal Methods

Palo Alto, London · Aug 24, 2026

Formal Verification Engineer

Palo Alto, London · Aug 12, 2026

Software Engineer, Product

Palo Alto · Aug 3, 2026

Software Engineer, ML Systems

Palo Alto · May 7, 2026

Research Engineer, Training & Inference

Palo Alto · May 7, 2026

Software Engineer, Infrastructure

London · May 1, 2026

General Opportunity

Palo Alto · Jul 10, 2025

Research Engineer, Technical Lead

Palo Alto · Jul 10, 2025

Research Engineer

Palo Alto · Jul 10, 2025

Software Engineer

Palo Alto · Aug 28, 2024

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