You build it.
We break it.
Users love it."

> playwright

Teryxa s.r.o. is a boutique QA and test-automation studio. We build the pipelines, frameworks and load models that let engineering teams ship on Friday afternoon — and sleep on Friday night.

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Our services

Quality engineering, amplified.

We don’t just tick boxes. We embed modern QA directly into your development lifecycle, ensuring your team ships fast, resilient code with absolute confidence.

01 · Playwright / Cypress / CI-CD

End-to-End Automation

Flaky tests kill velocity. We build deterministic UI automation suites that developers actually trust.

  • User-centric journeys. We map and automate critical user paths from login to checkout, mirroring real human behaviour.
  • Cross-browser resilience. One script to rule them all — bulletproof testing across Chromium, WebKit and Firefox.
  • Zero-flake infrastructure. We eliminate false positives with smart waiting, dynamic selectors and clean state resets.
02 · Contract testing / Microservices

API & Integration Testing

Validating the invisible strings that hold your architecture together.

  • Shift-left validation. We test and mock your endpoints before the front-end is even built, catching logic flaws early.
  • Breaking-change protection. Automated contract testing so microservices communicate flawlessly, without surprise regressions.
  • Payload & security checks. Rigorous boundary testing, schema validation and authorization checks on every route.
03 · k6 / Distributed cloud execution

Performance & Load Testing

We break your system in staging so your users can’t break it in production.

  • Realistic load profiling. Steady-state traffic, sudden spikes (Black Friday events) and prolonged soak tests.
  • Bottleneck identification. Pinpointing database deadlocks, memory leaks and unoptimized cloud resources.
  • ROI-driven metrics. Better Core Web Vitals — and a smaller AWS/Azure bill at the same time.
04 · Edge cases / UX flow / Security intuition

High-Cognitive Exploratory Testing

Automation catches regressions; our exploratory testing catches the unexpected.

  • Beyond the script. We step outside the user stories to uncover the edge cases, race conditions and logical flaws that scripts pass right over.
  • Creative destruction. Thinking like a malicious hacker, a distracted customer and a veteran engineer — all at once.
  • Rapid feedback loops. Actionable, rich-media bug reports with clear reproduction steps, network logs and console output.
PlaywrightCypressk6GitHubGitLabPostmanGrafana

Your Journey With Us

How we embed into your workflow

1

Audit & Strategy

We assess your current test debt and stack.

Your value: a clear roadmap, zero guesswork.

2

Pipeline Integration

We hook Playwright, k6 and API tests into GitHub Actions or GitLab CI.

Your value: green builds mean safe deploys.

3

Continuous Evolution

Regular exploratory sweeps and suite maintenance.

Your value: test suites that grow with your product, never obsolete.

Ready to ship on Friday
and sleep on Friday night?

Tell us about your stack, your release pain and your wildest flaky test. We’ll reply with a concrete plan — not a sales deck.