2 hours ago
Singapore, Singapore or San Francisco, CA, USASenior
Responsibilities
- Develop product-facing tools for browsing environments, inspecting trajectories, reviewing task quality, debugging failures, and understanding model behavior.
- Build vendor-facing workflows for creating, submitting, testing, and iterating on RL environments and training data.
- Create dashboards and observability tools for environment quality, evaluation results, data collection progress, grader issues, reward signals, and pipeline health.
- Design backend services and APIs connecting task authoring, data collection, evaluation, QA/QC, and RL training infrastructure.
- Partner with research, operations, vendors, GTM teams, engineering, and founders to turn ambiguous requests into well-designed systems.
Requirements
- Strong software engineering fundamentals and full-stack range, including Python and a modern web stack such as React, TypeScript, Next.js, or similar.
- Experience owning user-facing or internal products end-to-end.
- Ability to build intuitive tools for technical and non-technical users.
- Comfort with cloud infrastructure, Docker, CI/CD, observability, and production debugging.
- Strong communication skills and high agency in identifying, building, and improving systems.
- Preferred experience with data collection, labeling, annotation, evaluation, research tooling, dashboards, review workflows, observability tools, debugging interfaces, developer tools, infrastructure products, internal platforms, or workflow products.
- Experience with AWS, Kubernetes, Terraform, Docker, Grafana, or similar infrastructure tools is preferred.
- The company prioritizes technical aptitude and learning potential over years of experience.
Benefits
- Full-time, on-site work in the San Francisco Bay Area or Singapore offices.
- Relocation and visa support for strong full-time candidates joining the US or Singapore offices.
- 100% covered medical, dental, and vision insurance from Blue Shield of CA for US employees.
- Lunch and dinner provided in the office.
- Company-wide holiday break from Christmas Eve through New Year’s Day, in addition to PTO and paid holidays.
- Equinox membership, 401k, and commuter benefits for US employees.
- Unlimited access to tokens for ChatGPT, Claude Code, Cursor, and similar tools.
- Applications are rolling and the process includes two technical interviews and a 2–3 day work trial.
Tech Stack
Categories
About HUD
The platform to build RL environments. We help improve frontier models across diverse capabilities and help build post-training datasets for doing RFT.