Middle-Senior QA Engineer

Summary

Join a team of professionals as a hands-on QA engineer who enjoys manual testing and wants to expand their automation skills. You will be responsible for testing new functionality, performing regression and smoke testing, writing bug reports and test summaries, maintaining documentation, and collaborating with cross-functional teams. The ideal candidate has 5+ years of QA experience, including 3+ years in manual QA roles on .NET/React & microservices projects. Strong manual testing skills, experience with various testing methodologies, and familiarity with specific technologies are required. The position offers remote work, flexible scheduling, competitive pay, mentoring, team-building activities, paid sick leave, vacation time, and paid child care leave.

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

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

Preferred Qualifications

• 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

Benefits

• 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