Full-Stack Software Engineer, Reinforcement Learning

hud
San Francisco, Singapore
Workplace: OnsiteFull timeFunction: Software EngineeringSkills: ["Communication","High agency","Product taste"]

Build the product surfaces, backend systems, and internal tools that power an RL data engine. Own end-to-end backend services, APIs, databases, dashboards, observability, and vendor workflows for collecting data, evaluating task quality, and debugging RL rollouts. Partner with research, operations, and GTM to turn ambiguous, high-stakes needs into polished tools—without needing to be an RL researcher.

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FursaFursa
hud
hud
3 days ago

Full-Stack Software Engineer, Reinforcement Learning

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 20 hours agoStatus: Live

Job Summary

Build the product surfaces, backend systems, and internal tools that power an RL data engine. Own end-to-end backend services, APIs, databases, dashboards, observability, and vendor workflows for collecting data, evaluating task quality, and debugging RL rollouts. Partner with research, operations, and GTM to turn ambiguous, high-stakes needs into polished tools—without needing to be an RL researcher.
Location: San Francisco, Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Entry level

Key Responsibilities

  • •Develop product-facing tools for browsing environments, inspecting trajectories, reviewing task quality, debugging failures, and understanding model behavior.
  • •Build vendor-facing workflows that enable external partners to create, submit, test, and iterate on RL environments and training data.
  • •Create dashboards and observability tools to surface environment quality, eval results, data collection progress, grader issues, reward signal problems, and pipeline health.
  • •Design backend services and APIs connecting task authoring, data collection, evaluation, QA/QC, and RL training infrastructure.
  • •Work closely with research, operations, and GTM teams to translate vague, high-stakes requests into well-designed systems that ship quickly.

Pay and Benefits

Perks:Health InsuranceDentalVision401kCommuter BenefitsGym MembershipPaid Leave

Key Requirements

  • •Strong software engineering fundamentals and real full-stack experience, including proficiency in Python and a modern web stack such as React, TypeScript, Next.js, or similar.
  • •Experience owning user-facing or internal products end-to-end.
  • •Good product taste and the ability to build intuitive tools for technical and non-technical users.
  • •Comfort with cloud infrastructure, Docker, CI/CD, observability, and production debugging.
  • •High agency and strong communication skills working across research, engineering, operations, vendors, and founders.
Experience:Reinforcement learningAI
Skills:CommunicationHigh agencyProduct taste
Tech Stack:PythonReactTypeScriptNext.jsDockerCI/CDAWSKubernetesTerraformGrafana

Company Brief

hud
Hud provides a lightweight developer-focused tool that captures and shares UI components and interactive design specs from the browser to streamline design-to-development handoff and collaboration between designers and engineers.
Industry: Developer Tools
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