QA Engineer / SDET - AI-Augmented Testing

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TYPE OF WORK

Full Time

SALARY

3000/month

HOURS PER WEEK

40

DATE UPDATED

Aug 11, 2026

JOB OVERVIEW

About the role
RxPost is a ~15-person health-tech B2B platform running a serverless-first AWS stack (Lambda, API
Gateway, RDS, Amplify, Cognito). We're looking for a QA Engineer / SDET who writes test code, owns test
infrastructure, and is fluent in using AI tooling to author and maintain tests - as well as testing
AI-powered features themselves. You'll be the person who turns "we keep shipping regressions" into a
durable, automated safety net.
This is a hands-on, code-writing role. You'll work directly with a small engineering team and own QA
strategy end-to-end.

What you'll do
• Design and maintain end-to-end and regression test suites in Playwright (our current framework),
including using codegen and AI-assisted authoring to accelerate coverage.
• Use AI tooling (LLM-based test generation, self-healing selectors, AI code assistants) to reduce the cost
of writing and maintaining tests - with judgment about where AI helps and where it introduces
flakiness.
• Test LLM- and MCP-powered product features: build evaluation harnesses, define quality bars for
non-deterministic outputs, and design guardrail/regression checks for natural-language and
agent-driven workflows.
• Attack our three standing testing gaps: mock drift, untested Lambda infrastructure, and recurring
regressions that ship without accompanying tests.
• Build post-deploy smoke tests and contract tests against our integration layer (HubSpot, Dwolla,
Intercom, PostHog, Slack).
• Partner with engineering to enforce a Definition of Done that requires tests, and embed QA into the
sprint cadence rather than bolting it on at the end.

Must-have
• Strong JavaScript/TypeScript; you write and maintain test code, not just test plans.
• Production experience with Playwright, Cypress, or equivalent modern E2E frameworks.
• Hands-on experience using AI tools in a real testing workflow (test generation, maintenance, or triage).
• Experience testing non-deterministic / AI-powered systems, or a clear, credible approach to how you'd
do it.
• Comfort in AWS serverless environments (Lambda, API Gateway) and testing distributed integrations.
• Ability to own strategy independently in a small team.

Nice-to-have
• Experience with LLM evaluation frameworks or building eval/guardrail systems.
• MCP or agent-based tooling familiarity.
• Prior QA-in-a-startup experience where you built the function from scratch.
• Health-tech, fintech, or regulated-industry background.

Why this role
You'll own QA at a company that treats testing as an engineering problem, not a checkbox - with real
autonomy, a modern stack, and a mandate to bring AI into the workflow deliberately.

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