H
Handshakevia Ashby
AI Research Engineer
San Francisco, CA$330K - $370K/yrPosted 1mo ago
ResearchMid LevelFull-time
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About the Role
ABOUT HANDSHAKE
Handshake is the career network for the AI economy. 20 million knowledge workers, 1,600 educational institutions, 1 million employers (including 100% of the Fortune 50), and every foundational AI lab trust Handshake to power career discovery, hiring, and upskilling, from freelance AI training gigs to first internships to full-time careers and beyond. This unique value is leading to unparalleled growth; in 2025, we tripled our ARR at scale.
Why join Handshake now:
- Shape how every career evolves in the AI economy, at global scale, with impact your friends, family and peers can see and feel
- Work hand-in-hand with world-class AI labs, Fortune 500 partners and the world’s top educational institutions
- Join a team with leadership from Scale AI, Meta, xAI, Notion, Coinbase, and Palantir, among others
- Build a massive, fast-growing business with billions in revenue
ABOUT THE ROLE
- Design and implement post-training systems and methodologies in close partnership with research scientists and domain experts
- Build and maintain infrastructure that supports large-scale model training, specialized data processing, and benchmark evaluation
- Develop robust frameworks for verifying the quality and integrity of highly specialized domain datasets
- Create next-generation LLM benchmarks that push the boundaries of model evaluation and capabilities assessment
- Optimize performance across software and hardware layers to accelerate post-training experimentation and deployment
- Collaborate across disciplines to ensure rigorous validation of model improvements and benchmark reliability
DESIRED CAPABILITIES
- Strong Python programming skills with attention to clean, efficient, and scalable code
- Experience building and operating large-scale systems for model post-training, specialized data processing, or benchmark evaluation
- Deep familiarity with PyTorch and modern post-training techniques (RLHF, constitutional AI, etc.)
- A background in applied machine learning, model evaluation, or large-scale data quality assessment
- Experience with benchmark design, evaluation methodologies, and performance measurement frameworks
- Clear communication skills and a collaborative mindset for cross-functional research teams
EXTRA CREDIT
- Experience optimizing deep learning models for performance (e.g., memory usage, training speed)
- Interest in the societal and ethical impacts of AI technologies
- Contributions to open-source ML infrastructure or tools
PERKS
Handshake delivers benefits that help you feel supported—and thrive at work and in life.
The below benefits are for full-time US employees.
🎯 Ownership: Equity in a fast-growing company
💰 Financial Wellness: 401(k) match, competitive compensation, financial coaching
🍼 Family Support: Paid parental leave, fertility benefits, parental coaching
💝 Wellbeing: Medical, dental, and vision, mental health support, $500 wellness stipend
📚 Growth: $2,000 learning stipend, ongoing development
💻 Remote & Office: Internet, commuting, and free lunch/gym in our SF office
🏝 Time Off: Flexible PTO, 15 holidays + 2 flex days
🤝 Connection: Team outings & referral bonuses
Explore our mission, values, and comprehensive US benefits at joinhandshake.com/careers. http://joinhandshake.com/careers.Your
Handshake is the career network for the AI economy. 20 million knowledge workers, 1,600 educational institutions, 1 million employers (including 100% of the Fortune 50), and every foundational AI lab trust Handshake to power career discovery, hiring, and upskilling, from freelance AI training gigs to first internships to full-time careers and beyond. This unique value is leading to unparalleled growth; in 2025, we tripled our ARR at scale.
Why join Handshake now:
- Shape how every career evolves in the AI economy, at global scale, with impact your friends, family and peers can see and feel
- Work hand-in-hand with world-class AI labs, Fortune 500 partners and the world’s top educational institutions
- Join a team with leadership from Scale AI, Meta, xAI, Notion, Coinbase, and Palantir, among others
- Build a massive, fast-growing business with billions in revenue
ABOUT THE ROLE
- Design and implement post-training systems and methodologies in close partnership with research scientists and domain experts
- Build and maintain infrastructure that supports large-scale model training, specialized data processing, and benchmark evaluation
- Develop robust frameworks for verifying the quality and integrity of highly specialized domain datasets
- Create next-generation LLM benchmarks that push the boundaries of model evaluation and capabilities assessment
- Optimize performance across software and hardware layers to accelerate post-training experimentation and deployment
- Collaborate across disciplines to ensure rigorous validation of model improvements and benchmark reliability
DESIRED CAPABILITIES
- Strong Python programming skills with attention to clean, efficient, and scalable code
- Experience building and operating large-scale systems for model post-training, specialized data processing, or benchmark evaluation
- Deep familiarity with PyTorch and modern post-training techniques (RLHF, constitutional AI, etc.)
- A background in applied machine learning, model evaluation, or large-scale data quality assessment
- Experience with benchmark design, evaluation methodologies, and performance measurement frameworks
- Clear communication skills and a collaborative mindset for cross-functional research teams
EXTRA CREDIT
- Experience optimizing deep learning models for performance (e.g., memory usage, training speed)
- Interest in the societal and ethical impacts of AI technologies
- Contributions to open-source ML infrastructure or tools
PERKS
Handshake delivers benefits that help you feel supported—and thrive at work and in life.
The below benefits are for full-time US employees.
🎯 Ownership: Equity in a fast-growing company
💰 Financial Wellness: 401(k) match, competitive compensation, financial coaching
🍼 Family Support: Paid parental leave, fertility benefits, parental coaching
💝 Wellbeing: Medical, dental, and vision, mental health support, $500 wellness stipend
📚 Growth: $2,000 learning stipend, ongoing development
💻 Remote & Office: Internet, commuting, and free lunch/gym in our SF office
🏝 Time Off: Flexible PTO, 15 holidays + 2 flex days
🤝 Connection: Team outings & referral bonuses
Explore our mission, values, and comprehensive US benefits at joinhandshake.com/careers. http://joinhandshake.com/careers.Your
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