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L4 Studio - Software Development Company

QA Engineer (Automation, AI/ML Focus)

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  • Posted 11 hours ago
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Job Description

Working location: Remote full-time (Overlap 3-4 hours per day with US working hours)

Salary range: USD 11-12 gross per hour

RESPONSIBILITIES

At the company, we're reimagining legal services by injecting speed and intelligence into the heart of legal drafting. Our AI-powered SaaS platform empowers attorneys to generate court-ready documents in minutes, not hours. As we scale, quality is our product, and we're searching for a QA Engineer with a passion for automation, testing strategy, and modern observability to raise the bar across our engineering org.

If you believe QA is a mindset, and you geek out over mutation testing, synthetic monitoring, and pushing zero bug policies, you'll thrive here.

  • Own the testing lifecycle. Design, implement, and continuously improve test automation across our stack (UI, API, system). Own Shift Left QA strategies, from story kickoff through deployment.
  • Build automation with battle-tested tools. Use Cypress, Playwright, Selenium for UI testing, and Postman/Newman for APIs. Automate everything. Automate it again.
  • Validate AI systems. Use Helicone, Langfuse, and custom validators to test and inspect our AI outputs. Write semantic assertions and regression suites against LLM behavior.
  • Prevent bugs before they happen. Work closely with engineering and product in sprint planning and grooming to bake in quality early, not test it in later.
  • Push resilience to the limit. Implement synthetic monitors and edge-case fuzzers to simulate real-world chaos. Bonus if you love Chaos Engineering.
  • Enforce quality gates. Define what ready for production really means. Codify regression, smoke, and integration testing flows in CI/CD pipelines.

REQUIREMENTS

  • 5+ years of QA / SDET experience, with strong frontend automation background.
  • Deep experience with GoLang or TypeScript, and test frameworks like Cypress, Playwright, Selenium.
  • Familiarity with API testing using Postman, Newman, or custom scripts.
  • Experience implementing Shift Left Testing, Zero Bug Policy, Mutation Testing.
  • Comfortable working in CI/CD pipelines, with tools like GitHub Actions, CircleCI, or Jenkins.
  • Obsessed with reproducibility, traceability, and high test coverage.

*** Nice to have

  • Hands-on with Helicone, Langfuse, or similar LLM/AI observability tools.
  • Experience with Synthetic Monitoring and systems like Checkly, Datadog Synthetics.
  • Familiarity with Chaos Engineering principles or tools like Gremlin, Litmus.
  • You've designed load and stress tests using k6, Locust, or Gatling.
  • You've tested prompt-driven or LLM-based applications and know how to evaluate semantic correctness.

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Job ID: 146351547

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