AfterQuery
Quality Control Lead
$200K–$350K
San Francisco · On-site · Full-time · Posted Aug 31, 2026
- Experience
- 3+ years in a technical role.
- Education
- Computer science degree or equivalent hands-on engineering background (preferred).
About the job
Owns the final quality review of technical and data deliverables, improves QC processes and tooling, and helps prevent recurring quality issues.
What you'll do
- Audit datasets and other outputs for correctness, clarity, structure, and adherence to specifications; decide whether they are ready to ship.
- Improve and automate QC workflows with infrastructure engineers, and feed systemic issues into contributor training.
- Track quality metrics and report error rates, root causes, and improvement trends to leadership.
What they ask for
- 3+ years of experience in a technical role and hands-on proficiency in at least one modern programming language.
- Ability to review, debug, and evaluate code, technical data, and knowledge-work data for correctness, structure, and quality.
- Experience building or leading a quality assurance or quality control function, ideally for a technical or data-centric product.
- Strong attention to detail, judgment on ambiguous technical content, leadership, communication, and ability to work independently in fast-moving environments.
Nice to have
- Experience in AI training data, RLHF, or data-annotation QA; reviewing datasets across multiple domains; or designing rubrics and automated quality checks.
- Familiarity with Claude Code or similar AI-assisted workflow tools; computer science degree or equivalent hands-on engineering background.
Pay
$200K – $350K (base salary; currency not stated)
Tools
Claude Code
AI focus
Quality control of datasets, including code, reasoning, and knowledge-work data, for foundation model development; preferred experience includes AI training data and RLHF.
Model-written summary · the original posting is authoritative