Software Engineer (Post Training) - AI Model Development
Visa Sponsorship
Relocation
AI Summary
Join a company building frontier-scale AI models to automate software engineering and AI research. Develop high-performance data pipelines and collaborate with research teams to design strategies for sourcing diverse datasets. Implement and operate data infrastructure supporting large-scale workloads.
Key Highlights
Build and maintain robust, high-performance data pipelines
Partner with research and applied teams to design dataset strategies
Develop creative approaches to generating synthetic data
Implement, test, and operate data infrastructure
End-to-end experience across data pipelines
Technical Skills Required
Benefits & Perks
Salary of $225K–$550K dependent on experience
Significant equity
401(k) with 6% company match
Comprehensive health insurance
Unlimited PTO
Visa sponsorship
SF relocation stipend
Job Description
Software Engineer (Post Training) - San Francisco, CA
A company building frontier-scale AI models that automate software engineering and AI research, combining ultra-long context, domain-specific RL, and massive compute infrastructure are looking for a Software Engineer (Post Training) to join their team.
What Will I Be Doing:
- Build and maintain robust, high-performance data pipelines to support large-scale post-training workflows
- Partner closely with research and applied teams to design strategies for sourcing diverse, targeted datasets at scale
- Develop creative approaches to generating high-quality synthetic data for model improvement
- Iterate on dataset filtering, scoring and quality heuristics to improve post-training outcomes
- Implement, test and operate data infrastructure supporting workloads from gigabytes to hundreds of petabytes
What We’re Looking For:
- Exceptional attention to detail and a strong commitment to data quality
- Ability to write reliable, well-tested production code
- Comfort learning new tools, languages and frameworks as needed
- End-to-end experience across data pipelines, from scraping and ingestion through processing and validation
- High intellectual agility, curiosity and grit to tackle complex, ambiguous problems
What’s In It for Me:
- Salary of $225K–$550K dependent on experience + significant equity
- Great benefits inc. 401(k) with 6% company match, comprehensive health, unlimited PTO
- Visa sponsorship and SF relocation stipend available
- Well-funded ($465M+) with backing from top investors
Apply now for immediate consideration!