Senior QA Engineer

TL;DR

Senior QA Engineer (Playwright/JS Frameworks): Act as the last line of defense owning final quality validation for data management web tools with an accent on manual/exploratory testing, E2E automation, visual regression, API/TypeScript stability, and accessibility compliance. Focus on adversarial testing across React/Angular/Vue wrappers, cross-environment validation, and maintaining Playwright suites for reliable releases.

Location: Poland, anywhere (Remote, hybrid, or Gdynia office)

Salary: 25,000–27,000 PLN per month

Company

Product company building tools that enable users to view, edit, and manage complex data in spreadsheet-like formats for web applications across industries.

What you will do

• Own final quality validation as the last line of defense before release, treating each candidate as production-ready
• Perform hands-on manual and exploratory testing, including adversarial edge cases
• Validate real-world integrations across React, Angular, and Vue wrappers
• Build and maintain Playwright E2E test suites and visual regression testing
• Ensure public API/TypeScript stability and full WCAG accessibility end-to-end
• Test across multiple environments/frameworks/build tools and LTS branches
• Investigate issues deeply, fix bugs/tests in codebase, and collaborate as co-owner of quality

Requirements

• Experience with visual regression/snapshot testing (Argos, Percy, etc.)
• Strong QA/SDET experience, ideally in JS libraries/developer tools/component libraries
• Proven manual/exploratory testing for release validation
• Hands-on Playwright for E2E testing (must-have)
• Solid mid-level TypeScript to validate APIs and detect regressions
• Testing across modern JS frameworks (React, Angular, Vue) at integration level
• CI/CD pipelines, test infrastructure, cross-browser/environment challenges
• Accessibility (WCAG) experience with audits and screen reader testing
• Ability to read/debug codebase and take ownership of product quality

Nice to have

• VPAT/ACR documentation for accessibility compliance
• Background in design systems/component libraries/API products
• Testing multiple framework wrappers/SDKs
• Jest/Jasmine for unit/integration testing
• Modern build tools (Vite, Webpack, esbuild)
• AI-assisted coding tools (Cursor, Copilot) for bug investigation/tests
• Contributing fixes/test improvements to production codebases

Culture & Benefits

• Small senior team with global impact and collaborative growth-focused culture
• Flexible hours, generous time off, choose your IT equipment
• Learning budget, conference support, English lessons during work hours
• Private healthcare, life insurance, Multisport card
• Office perks: snacks, drinks, weekly lunch; team retreats and offsites
• Competitive pay with biannual reviews