
Strong Middle-Senior QA Engineer
BETER • Warszawa, Pomeranian Voivodeship, Poland
Salary: 100% pa
Role & seniority
- QA Engineer, mid-to-senior level (5+ years overall, 3+ years in manual QA on .NET/React & microservices)
Stack/tools
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Microservices, .NET 8+, MS Orleans, MongoDB, Apache Kafka, SignalR/WebSocket, Kubernetes (k8s), AWS
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Testing: manual testing (primary); UI/API automation as a plus
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Tools: Jira/YouTrack, Postman; Chrome DevTools; basic SQL; NoSQL familiarity
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Optional: Kibana, load testing (JMeter/Gatling), UI/API automation frameworks, X-Ray Jira plugin
Top 3 responsibilities
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Design, implement, and execute functional and non-functional tests; perform regression and smoke testing prior to releases
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Analyze requirements, craft test cases/checklists, maintain test documentation, and report defects in Jira
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Collaborate with cross-functional teams (devs, product) and participate in Agile ceremonies; contribute to test process improvements and automation coverage
Must-have skills
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5+ years QA experience; 3+ years in manual QA on .NET/React & microservices
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Strong SDLC/STLC understanding; proficient bug tracking (Jira/YouTrack)
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Solid manual testing for browser SPAs; API testing experience (Postman or equivalent)
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Deep knowledge of HTTP, HTML/CSS; Chrome DevTools; basic SQL; NoSQL experience
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English level: Intermediate or higher
Nice-to-haves
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Experience with RabbitMQ/Kafka; load testing (JMeter/Gatling)
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Security testing background; UI/API automation familiarity
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Kibana log analysis; ISTQB certification; X-Ray Jira plugin experience
Location
Full Description
BETER is a rapidly growing product company. We create competitive content supplemented with analytics. For more than 5 years, we have been organizing sports tournaments, broadcasts, and developing our own sports community. We hold 45+ thousand events per month in esports and classic sports. BETER products are known all over the world - our content is represented in 150+ countries.
Our current partners are the world’s most famous trading giants.
We are looking for a QA Engineer to join our team and ensure the highest quality of our sports analytics platform. If you enjoy digging into complex systems, designing and executing detailed test scenarios, and working closely with developers and product teams to deliver stable, high-performing releases - this role is for you. You’ll have the opportunity to influence testing processes, improve automation coverage, and contribute to building a reliable, data-driven product used by thousands of users.
Technology stack we work with: Microservice architecture, .NET 8+, MS Orleans, MongoDB, Apache Kafka, SignalR/WebSocket, k8s, AWS
Responsibilities
Participate in Agile ceremonies: daily stand-ups, backlog grooming & estimation, sprint planning, retrospectives. Analyze business and technical requirements to ensure testability and completeness. Generate test cases based on the requirements and other documents. Design, implement, and execute functional and non-functional testing (mostly manual; occasional UI/API automation is a plus). Conduct regression & smoke testing before every release. Report, track, and manage clear defects in Jira. Prepare concise test summary reports. Keep documentation up to date (test plans, test cases, checklists, how-to guides). Collaborate in cross-functional teams to uphold product quality.
Requirements
5+ years as a QA Engineer, with at least 3 years in manual QA roles on .NET/React & microservices projects. Solid understanding of SDLC and STLC. Hands-on with bug-tracking systems (Jira, YouTrack, etc.). Ability to analyze business requirements, spot ambiguities or contradictions, and flag them early. Experience authoring checklists, test cases, test plans, and test reports. Strong manual-testing skills for browser SPAs. Experience testing APIs using tools such as Postman or similar. Deep knowledge of HTTP (how browsers work, cookies, local storage), HTML/CSS fundamentals. Proficiency with Chrome DevTools and transparent proxy tools for traffic inspection. Good understanding of client-service architecture. Familiarity WebSocket (SignalR) testing. Experience working with NoSQL databases and basic SQL querying skills. English level - Intermediate and higher.
Will Be a Plus
Good knowledge and practical experience with message brokers like RabbitMQ or Kafka. Ability to read Kibana logs and draw actionable insights. Participation in or independent execution of load testing (JMeter/Gatling). Background in security testing (finding common web vulnerabilities). Exposure to UI/API automation frameworks. Hands-on experience with the 'X-Ray' Jira plugin. ISTQB certification
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. Show more Show less