Automation Test Engineer

Infolet has been supporting IT leaders for 20 years by providing technology, experts, and full operational support, including legalization of stay and work for international IT specialists. They work on projects involving Java, JavaScript, C embedded, C++, PHP, mobile specialists, software testers, network and system administrators, and others.

MUST HAVE:

• Strong hands-on experience building automation in Java (clean code, OOP, design patterns)
• Experience with automation tools/frameworks such as JUnit/TestNG, Selenium/Playwright (UI), REST Assured, Postman/Newman, SoapUI (API), Maven/Gradle, Git, Jenkins/GitLab CI/Azure DevOps
• Understanding of test automation best practices: maintainability, flakiness reduction, parallel execution, and environment resilience
• Familiarity with observability and diagnostics: logs, tracing, monitoring tools (e.g., Splunk/ELK), and basic SQL
• Working knowledge of payment processing concepts and lifecycles
• Familiarity with payment standards and formats: ISO 20022, SWIFT MT/MX, local clearing formats
• Understanding of operational and risk considerations: sanctions screening touchpoints, auditability, resiliency, and high availability expectations

NICE TO HAVE:

• Performance testing exposure (e.g., JMeter/Gatling) for payment throughput and latency

• Containerisation and test environment tooling (Docker, Kubernetes basics)

• Experience testing event-driven architectures (Kafka) and asynchronous processing patterns

• Experience with test data management tools

• Knowledge of reconciliation, ledger posting, and downstream reporting impacts

• Minimum 3 years of experience in a similar position

• Knowledge of JUnit, Selenium, Playwright, REST Assured, Postman

• Languages: Polish (expert), English (advanced)

• Build and maintain automated test frameworks and suites using Java and appropriate automation tools (UI, API, and integration layers)
• Translate functional payment requirements into automated test cases, ensuring coverage of end-to-end flows and edge cases
• Automate testing for payment types and components such as credit transfers, direct debits, SWIFT/ISO 20022 messages, payment gateways, validation, routing, and posting
• Create robust API and service-level automation (e.g., REST/SOAP), including contract and schema validation where relevant
• Validate payment processing rules including cut-off times, value dates, charges/fees, FX, limits, sanctions/AML screening touchpoints, returns/recalls, reversals, rejects/repairs, and exception handling
• Implement test data strategies for payments including synthetic data, masking, data seeding, and correlation of transactions across systems
• Integrate automated tests into CI/CD pipelines; enable unattended execution, reporting, and quality gates
• Analyse failures quickly using logs, message traces, and database queries where permitted, and raise high-quality defects with clear evidence
• Collaborate with Product Owners, Developers, BAs, and Ops to define acceptance criteria, test approach, and release readiness