QA Backend Engineer

QA Backend Engineer

Our projects are long-term partnerships with clients who stay with us for years. Why? Because we deliver solutions that genuinely solve their business problems. At fireup.pro, as a QA Engineer, you will design and test systems that have a real impact on how businesses operate, from complex logistics platforms to advanced industry-specific systems, including solutions for the healthcare sector. You will be responsible for designing, implementing, and overseeing testing processes at multiple levels: from automated API tests, through manual testing of mobile applications, to performance testing of systems that depend on multiple projects and technology stacks.

You will be responsible for:

• Designing, building, and maintaining automated tests using the development team’s stack (Java, Spring, RestAssured, Python)
• Automating API tests and developing a strategy to increase automated test coverage
• Performing manual API testing (Postman) and testing mobile applications on physical devices and emulators (Android Studio)
• Designing and running performance tests with JMeter and k6, including tests of dependent services from other projects
• Analyzing network traffic and request/response communication using Charles Proxy
• Analyzing and reporting defects and preparing detailed test reports
• Maintaining a stable and reliable test suite, analyzing failed tests, and identifying flaky tests
• Working with product and development teams to define acceptance criteria and ensure the testability of new features
• Using AI tools (e.g. Claude Code) to improve testing work while maintaining high standards of quality and security
• Sharing testing best practices with other QA Engineers and Developers

We expect:

• 5+ years of experience as a QA Engineer, including experience in test automation
• Hands-on knowledge of Java and experience with RestAssured for API testing (knowledge of Spring is a strong advantage)
• Programming or scripting skills in Python
• Experience in API testing with Postman
• Experience testing mobile applications on physical devices and emulators (Android Studio)
• Experience preparing and running performance tests with JMeter and/or k6
• Ability to analyze network communication using Charles Proxy or similar tools
• Experience with version control systems (Git/GitHub) and tools such as JIRA and Confluence
• Good understanding of Agile/Scrum methodology
• Very good command of English and confidence communicating in an international environment
• Openness to using AI tools in everyday QA work

We will additionally appreciate:

• Experience integrating automated tests into CI/CD pipelines (e.g. GitHub Actions)
• Knowledge of security, privacy, or medical device regulations, such as HIPAA or GDPR
• Knowledge of SQL and experience with database data validation
• Experience with mobile test automation (e.g. Appium)
• Certifications such as ISTQB or similar

What we offer:

• Employment based on your preferred form of cooperation (UoP/B2B).
• Hybrid work model ( Rybnik) with flexible conditions – you decide whether you work remotely or from the office.
• Modern equipment and support from an experienced team.
• Skill development opportunities through training and language courses.
• Attractive benefits: MultiSport card, private medical care (PZU), and many more.
• Company breakfasts and lunches twice a week.
• Free parking. Our recruitment process:

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< 01.

CV approval – contact with candidates via email

02.

HR meeting – conducted via Google Meet (max. 45 minutes)

03.

Technical interview – conducted via Google Meet (60–90 minutes)

04.

Meeting with our CEO – final interview (approx. 30 minutes)

> 0 1 / 0 4 Any questions?

Let's talk!

Let's talk!

Let's talk!

Gosia Karwat

EB & HR Manager

m.karwat@fireup.pro