Senior QA Engineer

## Job Description### **About the Role**Zama is a leader in privacy-preserving cryptography. Our Blockchain division builds the secure infrastructure and SDKs that empower developers to build private applications.As a **Senior QA Engineer**, you will be the guardian of reliability. You won't just find bugs; you will build the automated infrastructure that ensures our cryptographic primitives and blockchain services work flawlessly in the real world.### **What You Will Do*** **Build the Foundation:** Design and maintain the end-to-end test platform, including deterministic environments and mocks for SDKs and APIs.* **Automate Everything:** Create and integrate automated tests (Python/Bash) into our CI/CD pipelines (GitHub Actions) to ensure production readiness.* **Ensure Resilience:** Beyond standard testing, you will conduct performance, stress, and chaos testing to see how our systems behave under pressure.* **Root Cause Analysis:** Investigate failures deeply, diagnose the "why," and work with developers to fix issues and reduce test flakiness.* **Set the Standard:** Define QA processes and templates that help the entire engineering team maintain high-quality unit and integration tests.## Preferred Experience* **Experience:** 5+ years in QA for distributed or multi-service systems.* **Scripting:** Strong scripting skills in Python and Bash within Linux environments.* **Languages:** Familiarity with Rust and TypeScript/JavaScript to work with our test frameworks and tooling.* **Infrastructure:** Hands-on experience with Docker/Kubernetes, CI/CD pipelines, and databases (PostgreSQL, Redis).* **Observability:** Experience using tools like Grafana, Prometheus, or OpenTelemetry to diagnose system health.* **Mindset:** You enjoy "breaking things" to make them stronger and have a developer-centric approach to quality.### **Bonus Points*** Experience with K6 or similar load-testing frameworks.* A background in software development.* Previous experience in blockchain or cryptography.** Step 1: The Application Form**Start your journey by filling out our application form. This is your chance to introduce yourself and showcase your unique skills and experiences.** Step 2: The Challenge**Next up, tackle our challenge This is where you can shine and show us how you approach and solve real-world problems.** Step 3: The Technical Interview**Dive deep into your technical knowledge with our team. This is your opportunity to demonstrate your expertise and passion for the field.** Step 4: Cultural Fit & Compensation Chat**Meet with our COO to discuss our company culture and explore how you can thrive with us. We'll also discuss compensation to ensure we're on the same page.** Step 5: The Hacking Trial**Put your skills to the test in a real-world hacking scenario. This trial helps us see your practical skills in action and how you handle challenges.** Step 6: The Reference Check & Offer**As a final step, we'll conduct a reference check to confirm your qualifications and past experiences. If all goes well, you will get an offer soon.We provide more details on our process . Exceptional candidates will hear from us as we advance through the recruitment process.Zama values and promotes diversity. We give everyone a fair chance to be evaluated on their professional, academic, and personal skills. Our goal is to make the hiring process as pleasant, stress-free, and friendly as possible, even if it is longer and more involved than you might find elsewhere.* Contract Type: **Full-Time*** Location: **Paris*** Experience: **> 5 years*** **Possible full remote** #J-18808-Ljbffr