Sr. QA Engineer

South America · Remotefull timeRemote

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senior

$50k–$60k

H1B: no

Tessera Labs Senior QA Engineer owning test strategy and automation across the Software Development Life Cycle. Write and automate test cases using open-source tools and integrate them into CI/CD pipelines.

Responsibilities

We're hiring a Senior QA Engineer to own testing across our Software Development Life Cycle (SDLC). This is a strategy-and-automation role, not a click-testing one: you'll own the test strategy, write the test cases, and automate them on top of established open-source testing tools — working shoulder-to-shoulder with developers to bake quality in from the start rather than catch it at the end.
This role partners closely with product and platform engineering.
Own the test strategy end-to-end across the SDLC.
Build and own test coverage on top of established open-source testing tools — defining the strategy, writing the test cases, and automating them — and integrate it into our Continuous Integration / Continuous Delivery (CI/CD) pipelines so tests run on every meaningful change.
Write clear, maintainable test cases and test plans, and keep them current as the product evolves.
Plan and run the full range of testing — including but not limited to integration testing, system testing, regression testing, and stress / load / performance testing.
Partner with developers to define acceptance criteria, shift testing left, and make quality a shared responsibility rather than a gate at the end.
Triage failures, drive root-cause analysis on escaped defects, and close the loop with durable fixes.
Report quality signals (coverage, flake rate, escaped defects) in a way the team can act on.

Qualification

Strong test automation skillsDeepSufficient experience with PythonStrong experience with PythonWhat Success Looks Like (First 90 Days)

Required

Strong test automation skills, with a track record of designing test strategy and automating it on top of established open-source testing tools.
Deep, practical understanding of the SDLC and where testing fits at each stage.
Proven experience writing test cases and test plans.
Hands-on experience across multiple testing types: integration, system, regression, and stress / performance.
Experience integrating automated tests into CI/CD pipelines.
Strong communication skills — you work directly with developers and can make a clear, persuasive case for quality.
Sufficient experience with Python, JS/TS

Preferred

Strong experience with Python, JS/TS
Familiarity with open-source testing tools (for example, Playwright or Cypress for end-to-end, pytest for unit and integration, k6 or Locust for load and stress testing).
Exposure to testing cloud or containerized (Kubernetes) workloads.
Experience supporting a System and Organization Controls 2 (SOC 2) or similar compliance program by producing test evidence.
Background in enterprise or regulated environments where reliability is non-negotiable.
Experience in early-stage environments where one person owns a broad testing surface.
What Success Looks Like (First 90 Days)
You've assessed current test coverage and identified the highest-leverage gaps.

Company

Tessera Labs

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Source: ashby

Active within the past hour

Remote-friendly

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Must-Have Skills for This Role

PythonJS/TStest automationCI/CDintegration testingsystem testing

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Sr. QA Engineer at Tessera Labs · LumiJobs