Senior QA Engineer - Payments
TLDR
Take ownership of quality for payment-critical features, collaborating in Agile teams to enhance automation and verification processes while ensuring compliance and performance.
- Owning end-to-end testing and verification for Payments features delivered by your squad
- Breaking down ambiguous testing problems and define scoped, pragmatic test approaches with engineers and product
- Designing, building and maintaining robust automation (API, contract, E2E) and reliable test data/mocks for complex payment scenarios
- Improving CI feedback loops, reduce flakiness, and close observability/monitoring gaps for your area
- Triaging and resolving critical production defects and being an escalation point for quality issues in your squad
- Reviewing test plans, automation code and providing actionable feedback to raise the team’s craft
- Contributing to cross-squad initiatives and share knowledge across the QA chapter
YOUR IMPACT:
- Writing clear, maintainable automation and test code; document test plans and design rationales
- Promoting non-functional quality: idempotency, data integrity, security, performance under load, and regulatory compliance
- Mentoring peers and collaborating proactively to improve processes, alerting and test coverage
- Communicating quality risk clearly to technical and non-technical stakeholders
- Proven experience testing payment systems, financial transactions or other regulated platforms with domain ownership
- English at a min. B2+ level
- Strong automation skills: API testing (REST), contract testing, and E2E - fluent in TypeScript, Java or Kotlin
- Good grasp of microservices and event-driven systems (Kafka); able to reason about distributed failures
- Practical experience improving CI/CD pipelines and test feedback loops
- Backend testing experience across Java/Kotlin, MySQL and REST APIs
- Clear communicator, able to translate technical risk to stakeholders
NICE TO HAVES
- Familiarity with payment concepts such as PSP integrations, idempotency, reconciliation, and contract state machines
- Experience testing performance and load in payment-critical flows
- Background in iGaming or another regulated industry
- Proficiency with test management tools (e.g. TestRail, Xray, Zephyr, or similar)
- Experience using mock data and mocking tools to simulate complex payment scenarios
- Experience with native app testing (TypeScript)
- Experience with Cucumber and Gherkin-based test automation
- Experience leading cross-functional initiatives
- Hybrid work policy (3 days a week from office in Warsaw)
- 4 weeks of Workation (T&C apply)
- Competitive base salary
- Benefits package - 800 PLN net (B2B)/gross (UOP) monthly
- Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast
- Team and office social events throughout the year
- Equipment: MacBook + smartphone (iPhone or Samsung Galaxy)
Benefits
Flexible Work Hours
Hybrid work policy (3 days a week from office in Warsaw)
Free Meals & Snacks
Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast
Equipment provided
Equipment: MacBook + smartphone (iPhone or Samsung Galaxy)
LeoVegas Group is a leading innovator in the igaming industry, creating engaging and cutting-edge gaming experiences. We serve a global audience with a robust portfolio of online casino and sports betting products, backed by a team of over 2000 dedicated professionals harnessing agility and creativity across 19 locations. Our commitment to pioneering solutions sets us apart as a front-runner in this dynamic marketplace.