Harnham
AI Researcher/Engineer - Superintelligence
Harnham, San Francisco, California, United States, 94199
This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
$250,000.00/yr - $275,000.00/yr Direct message the job poster from Harnham Recruitment Consultant - Data Science | ML | AI
Location:
San Francisco, CA (On-site preferred, open to remote with occasional travel) Compensation:
$250K–$275K base + equity Sponsorship:
Visa and green card sponsorship available The Opportunity An early-stage, mission-driven AI research startup is looking for a
AI researcher/engineer
to join as a foundational team member. This is a rare opportunity to work end-to-end on cutting-edge large-scale models and help drive progress toward superintelligence. An opportunity to be razor-focused on the next frontier of artificial intelligence. The role is highly autonomous with no rigid project assignments—ideal for someone who wants to obsessively push the boundaries of AGI and reasoning in a small, elite team Responsibilities Train and scale large language models (400B+ parameters) Design and implement reinforcement learning (RL) algorithms for post-training optimization Build and optimize distributed training and inference infrastructure Own the full research cycle: data pipelines, experimentation, evaluation, iteration Collaborate tightly with founders, but work independently day-to-day Pursue novel ideas in alignment with a long-term vision of superintelligence Requirements Experience at a frontier AI lab (e.g., DeepMind, OpenAI, Meta FAIR, Anthropic) Strong background in post-training techniques, especially reinforcement learning Hands-on experience with large language models PhD or Master’s in ML, AI, or a related field (or equivalent experience) Ability to work independently in a fast-moving, high-trust environment Nice to Have Prior founder or early startup experience Strong academic research track record Interest in open-source AI and long-term alignment Why You Should Apply Extremely high autonomy and ownership from day one No bureaucracy or project constraints — you choose what to build and explore Backed by investors who are betting on
scientific breakthrough , not incremental returns Strong belief in open-source models and democratized AI research Already showing performance ahead of larger players in the space Comprehensive health, dental, and vision insurance for you and your dependents Unlimited PTO and flexible remote/on-site policies Company-sponsored retirement plan Relocation assistance, paid parental leave, and annual L&D stipend Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Job function Research, Engineering, and Science Industries Software Development and Research Services Referrals increase your chances of interviewing at Harnham by 2x Inferred from the description for this job
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$250,000.00/yr - $275,000.00/yr Direct message the job poster from Harnham Recruitment Consultant - Data Science | ML | AI
Location:
San Francisco, CA (On-site preferred, open to remote with occasional travel) Compensation:
$250K–$275K base + equity Sponsorship:
Visa and green card sponsorship available The Opportunity An early-stage, mission-driven AI research startup is looking for a
AI researcher/engineer
to join as a foundational team member. This is a rare opportunity to work end-to-end on cutting-edge large-scale models and help drive progress toward superintelligence. An opportunity to be razor-focused on the next frontier of artificial intelligence. The role is highly autonomous with no rigid project assignments—ideal for someone who wants to obsessively push the boundaries of AGI and reasoning in a small, elite team Responsibilities Train and scale large language models (400B+ parameters) Design and implement reinforcement learning (RL) algorithms for post-training optimization Build and optimize distributed training and inference infrastructure Own the full research cycle: data pipelines, experimentation, evaluation, iteration Collaborate tightly with founders, but work independently day-to-day Pursue novel ideas in alignment with a long-term vision of superintelligence Requirements Experience at a frontier AI lab (e.g., DeepMind, OpenAI, Meta FAIR, Anthropic) Strong background in post-training techniques, especially reinforcement learning Hands-on experience with large language models PhD or Master’s in ML, AI, or a related field (or equivalent experience) Ability to work independently in a fast-moving, high-trust environment Nice to Have Prior founder or early startup experience Strong academic research track record Interest in open-source AI and long-term alignment Why You Should Apply Extremely high autonomy and ownership from day one No bureaucracy or project constraints — you choose what to build and explore Backed by investors who are betting on
scientific breakthrough , not incremental returns Strong belief in open-source models and democratized AI research Already showing performance ahead of larger players in the space Comprehensive health, dental, and vision insurance for you and your dependents Unlimited PTO and flexible remote/on-site policies Company-sponsored retirement plan Relocation assistance, paid parental leave, and annual L&D stipend Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Job function Research, Engineering, and Science Industries Software Development and Research Services Referrals increase your chances of interviewing at Harnham by 2x Inferred from the description for this job
Medical insurance 401(k) Get notified about new Artificial Intelligence Researcher jobs in
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