Research Engineer, Synthetic Data

HUD • Singapore, CA

9d • Onsite

About The Position

HUD is building infrastructure to create RL training data and evals for frontier AI agents, as well as a marketplace to sell these to frontier labs through the HUD marketplace. Our platform is used by frontier labs, Fortune 500 companies, and startups. We’ve raised $16M from top VCs and were YC W25.

We’re looking for Research Engineers to build our synthetic data pipeline. You’ll turn domain-specific workflows into synthetic training tasks that are realistic enough to enough to teach useful behavior, structured enough to generate at scale, and difficult enough to expand model capabilities.

Requirements

• Proficiency in Python, Docker, and Linux environments
• Have experience with synthetic data research methods - please elaborate in your application
• Strong understanding of what “good synthetic data” means and its limitations
• Built synthetic data pipelines end-to-end without a fully prescribed roadmap
• Experience working on environments, evals, and benchmarks

Nice To Haves

• Be detail-oriented and able to spot subtle inconsistencies or edge cases in synthetic data
• Be able to reason from first principles about task design, scoring, and failure modes
• Thrive in unstructured problem spaces
• Early-stage startup experience with ability to work independently in fast-paced environments
• Strong communication skills for remote collaboration across time zones

Responsibilities

• Work with subject-matter experts to create synthetic tasks for training AI agents across a range of professional and technical domains
• Design synthetic task generation methods that produce diverse, realistic, and learnable tasks
• Build systems and tooling to mutate, validate, and improve synthetic tasks
• Analyze model and agent performance on synthetic tasks to understand what the tasks are teaching and where they fail
• Develop metrics to quantify and understand synthetic task diversity, realism, learnability, etc.

Benefits

• Competitive compensation
• 100% covered top-of-the-line medical, dental, and vision from Blue Shield of CA (US employees)
• Lunch and dinner when you’re in the office
• Company-wide holiday break (Christmas Eve to New Year’s Day) on top of PTO and paid holidays
• Equinox membership
• 401k
• Commuter benefits (US employees)
• Unlimited access to tokens for ChatGPT, Claude Code, Cursor, etc.
• Support for relocation and visas for strong full-time candidates to the US or Singapore

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed