I am a Quality Assurance expert with over 8 years of experience in building robust automation frameworks and ensuring the reliability of business-critical software systems.
- Languages: JavaScript, TypeScript, Java, Python, Kotlin
- Testing Tools: Playwright, Webdriver.io, loust.io, Speedcurve, SAP Testing Framework, Postman (API Testing), Jira/XRAY, Testrail, Microfocus UFT, VSCode, Browserstack
- CI/CD & DevOps: Jenkins, GitHub Actions, Docker, Kubernetes
- Focus: E2E Testautomation, AI-driven Test Automation, Performance Testing
- Environment: Linux, Windows, macOS, Android, iOS
I am currently focusing on AI-integrated testing environments and modern Cloud-Native QA architectures. Check out my repositories below to see my work with Playwright and modern CI pipelines.
Side projects, all published and publicly available — built end to end, from the code to the store listing.
| App | What it is | Stack |
|---|---|---|
| Moto-Log | 100% offline service logbook for motorcycles — maintenance entries, service intervals and running costs. No account, no trackers. iOS & Android, five languages. | Flutter |
| EU Compliance Suite | Shopify app for three EU consumer-law obligations taking effect in 2026: withdrawal button (Art. 11a CRD), legal-guarantee notice and the GARAN label (Reg. (EU) 2025/1960) — 24 languages, no theme code. | React Router 7, Prisma, Polaris, GraphQL Admin API |
| Mega Man: Advanced PET | Fan-made mobile game: real-time 3×6 grid NetBattles, 200+ battle chips with fusion, co-op boss raids and a pedometer that charges battle fuel while you walk. | Flutter, Supabase |
| Clickwheel | Offline music player with a real click wheel that rotates by angle and clicks audibly. No streaming, no ads, no connection. | Flutter |
| World Clock Live | LED world clock as a live desktop wallpaper for Windows and macOS — 24 cities, 7-segment digits, automatic DST, near-zero CPU usage. | Electron |
| Retrogram | A retro ICQ-style messenger, rebuilt for the browser. | Web |
Senior Quality Assurance Engineer | E-Commerce (Bike24) 2023 – 2025
- Specialized in high-performance QA strategies for large-scale retail platforms in SAP and Webfrontend (Playwright)
QA Manager & Automation Lead | Fashion Digital GmbH 2021 – 2023
- webdriver.io: Architected modern E2E test suites for enterprise-level Web systems.
- Performance Testing: Implemented Locust.io (Python) for stress-testing web architectures.
- Infrastructure: Managed and configured QA environments within Kubernetes clusters.
Test Automation Specialist | ampada GmbH 2021
- Specialized in E2E automation with Javascript/Gherkin and legacy Desktop automation (VisualBasic/UFT).
QA Engineer | grandcentrix GmbH 2018 – 2021
- Focused on IoT and App development.
- Built mobile automation frameworks with Appium and led API testing initiatives using Postman.
Independent QA Consultant | Gaming Industry 2015 – 2018
- Conducted manual and specialized testing for global leaders in the gaming industry (e.g., Blizzard Entertainment).
I bridge the gap between development and business requirements. By implementing "Shift-Left" strategies and automated quality gates, I ensure that stability is a feature, not an afterthought.
- Portfolio: felix-helleckes.github.io
- LinkedIn: linkedin.com/in/felix-helleckes
- Xing: xing.com/profile/Felix_Helleckes
- Stack Overflow: stackoverflow.com/users/15774380
- Tech blogs: dev.to/felix-helleckes · felix-helleckes.medium.com
- Apps: App Store · Google Play
- Mail: f.helleckes@proton.me
Senior QA Engineer based in Cologne, Germany. Professionalism, Quality, and Reliability in Software Development.

