Strong Middle-Senior QA Engineer

If you’re a hands-on QA who loves breaking things manually but also wants to learn and grow your automation skills, tackle technical challenges, and help maintain a strong engineering culture in a team of true professionals, this role is for you!

Responsibilities:
Hands-on testing of new functionality (mostly manual; occasional UI/API automation is a plus).
Regression & smoke testing before every release.
Write clear bug reports and prepare concise test summary reports.
Keep documentation up to date (test plans, checklists, how-to guides).
Collaborate in cross-functional teams to uphold product quality.
Participate in Agile ceremonies: daily stand-ups, backlog grooming & estimation, sprint planning, retrospectives.

Requirements:
5+ years as a QA Engineer, with at least 3 years in manual QA roles on .NET/React & microservices projects.
Strong manual-testing skills for browser SPAs and backend REST APIs.
Ability to analyze business requirements, spot ambiguities or contradictions, and flag them early.
Experience authoring checklists, test cases, test plans, and test reports.
Solid understanding of SDLC and modern testing approaches.
Deep knowledge of HTTP (how browsers work, cookies, local storage), HTML/CSS fundamentals.
Proficiency with Chrome DevTools and transparent proxy tools for traffic inspection.
Hands-on with bug-tracking systems (Jira, YouTrack, etc.) and standard QA workflows.
Familiarity with client-service architecture, including WebSocket (SignalR) testing.
Exposure to our tech stack:
Microservices & messaging: REST, Kafka (consumers/producers)
Databases: PostgreSQL, MongoDB, ClickHouse, Redis
Monitoring: Prometheus, Grafana, Sentry
CI/CD pipelines: GitLab CI, GitHub Actions
Containerization & orchestration: Docker, Kubernetes, ArgoCD

Will be a plus:
Experience writing Software Requirements Specifications.
Hands-on with Postman for API testing.
Participation in or independent execution of load testing (JMeter/Gatling).
Background in security testing (finding common web vulnerabilities).
Basic SQL querying skills.
Ability to read Kibana logs and draw actionable insights.
Exposure to UI/API automation frameworks.

We offer:
Ability to work remotely;
Competitive and timely payment for services;
Flexible work schedule;
Personal mentoring and coaching;
Team building and corporate events;
100% paid sick leave;
20 working days of paid vacation;
Paid child care leave.