Harmonic · 1 day ago
Research Engineer, Distributed Training
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. They are seeking a highly motivated and skilled Research Engineer with expertise in model training to focus on reasoning in formal and informal settings, playing a key role in scaling their reinforcement learning systems beyond human-level capabilities.
Artificial Intelligence (AI)EdTechSoftware
Responsibilities
Conduct research and implement solutions in areas such as model architecture, algorithms, data processing, and optimization
Optimize and scale our training infrastructure to improve efficiency and reliability in a reinforcement learning setting
Qualification
Required
BS in Computer Science, related technical fields, or equivalent industry experience
2+ years of experience focused on training large language models
Knowledge of cutting-edge models, and experience building evaluations for model capability
Expertise in Python and PyTorch
Experience with distributed training, parallel computing, and GPU acceleration
Strong experience with large-scale GPU clusters, HPC environments, and job scheduling/orchestration tools (e.g., SLURM or Kubernetes)
Preferred
MS or PhD in Computer Science, Mathematics, or related technical fields
Knowledge of reinforcement learning techniques
Contributions to open-source AI projects
Benefits
Unlimited PTO
401(k) matching
100% employer-paid health, vision, and dental benefits for employees and 50% coverage for dependents.
Health Savings Account (HSA) available for qualifying health plans
Company
Harmonic
Harmonic is an artificial intelligence lab that develops mathematical reasoning engine designed to tackle complex mathematical problems.
H1B Sponsorship
Harmonic has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (3)
2023 (3)
2022 (3)
2021 (4)
2020 (5)
Funding
Current Stage
Growth StageTotal Funding
$295MKey Investors
Ribbit CapitalKleiner PerkinsSequoia Capital
2025-11-25Series C· $120M
2025-07-09Series B· $100M
2024-09-23Series A· $75M
Recent News
2025-12-12
Fierce Network
2025-12-11
Crunchbase News
2025-12-10
Company data provided by crunchbase