Software Engineer - Applied AI / Platform

AfterQuery
San Francisco
Workplace: OnsiteFull timeUSD 140,000 - 200,000 annuallyFunction: Software EngineeringSkills: ["Communication","Ownership","Curiosity","Collaboration"]

Software Engineer at AfterQuery will own end-to-end projects at the frontier of AI evaluation, spanning research engineering (RL environments, agentic systems, evaluation harnesses) and platform engineering (human-in-the-loop platforms, data infrastructure, annotator workflows). You’ll deploy distributed experiments on Kubernetes, optimize Next.js dashboards, and build scalable systems while collaborating across research, product, and design to ship features with reliability.

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FursaFursa
AfterQuery
AfterQuery
10 months ago

Software Engineer - Applied AI / Platform

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

Software Engineer at AfterQuery will own end-to-end projects at the frontier of AI evaluation, spanning research engineering (RL environments, agentic systems, evaluation harnesses) and platform engineering (human-in-the-loop platforms, data infrastructure, annotator workflows). You’ll deploy distributed experiments on Kubernetes, optimize Next.js dashboards, and build scalable systems while collaborating across research, product, and design to ship features with reliability.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Design and build scalable systems: RL environments, APIs, and human-in-the-loop platforms.
  • •Collaborate across research, product, and design to ship features quickly.
  • •Write clean, maintainable code and contribute to documentation.
  • •Participate in code reviews and design discussions.
  • •Solve real-world scalability and reliability challenges.

Pay and Benefits

Salary: USD 140,000 - 200,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceEquity401kGym MembershipMeal Allowance

Key Requirements

  • •Strong coding fundamentals in Node.js / TypeScript, Python and/or Go.
  • •Familiarity with cloud platforms (GCP/AWS), Kubernetes, APIs, NoSQL databases.
  • •Deep understanding of distributed systems, scalability challenges, and system design.
  • •Ability to reason about trade-offs and balance speed vs reliability.
  • •Bonus: Experience with RL environments, agentic systems, or human-in-the-loop workflows.
Experience:AIRLDistributed systems
Skills:CommunicationOwnershipCuriosityCollaboration
Tech Stack:Node.jsTypeScriptPythonGoKubernetesGCPAWSAPIsNoSQL

Eligibility

Visa:US citizen/visa only
Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

AfterQuery
Industry: Professional Services
Website