Newton Research
QA Engineer-AI Native Quality
$115K–$130K
Greater Boston Area +1 · Full-time · Posted Oct 2, 2026
- Location
- Greater Boston Area
Needham, Massachusetts, United States - Experience
- 4+ years in QA or test engineering.
About the job
Owns evaluation and regression testing for Newton’s AI agents, while improving automated QA and supporting human-led release-readiness decisions.
What you'll do
- Build and maintain eval suites, scoring, and regression tracking for agent behavior changes; run relevant evals in CI and gate releases on results.
- Test agent flows and AI-specific risks, and turn production issues and customer reports into permanent eval cases.
- Design agent-driven QA workflows, automate repeatable checks, and perform exploratory testing across roles, features, and environments.
What they ask for
- 4+ years in QA or test engineering on a complex web product.
- Hands-on experience building evaluations for LLM or agent products, or a clear track record of getting there fast.
- Working knowledge of agent concepts including prompting, skills, tool calling, context, RAG, and orchestration.
- Python (or similar) for eval tooling and data checks; Playwright or similar for end-to-end tests.
Nice to have
- Experience in adtech, martech, or marketing analytics.
- SSO / SAML / OAuth flows, data-connector testing, or eval or observability tooling.
Pay
$115,000-130,000 USD base salary
Tools
Python, Playwright, LLM-as-judge, RAG, SSO, SAML, OAuth, CI
AI focus
Build and validate agent evaluations; test changes to models, prompts, skills, and tools; design guarded AI-agent workflows for QA; probe AI-specific risks such as prompt injection, data leakage, and hallucinated analytics.
Model-written summary · the original posting is authoritative