Senior Test Automation Engineer (Java, Selenium & Rest Assured) - Krakow - Onsite - 2/3 days per week

On behalf of our client, we are looking for a highly skilled Senior Test Automation Engineer to join an elite software engineering team. This role is tailored for a technical expert who thrives on building framework infrastructure from scratch, verifying complex back-end operations, and optimising automated delivery pipelines.

This is a stable, long-term B2B collaboration focused on modern testing methodologies and continuous integration.

Tech Stack Required

• Core Languages: Core Java

• UI Automation: Selenium WebDriver with Java

• API Automation: Rest Assured with Java

• Methodology: BDD Cucumber

• Databases & Testing: SQL (Oracle, Postgres, MongoDB)

• Testing Infrastructure: TestNG, JUnit, Maven, Ant, Git

• Project Management: Jira, Rally

Key Responsibilities

• Framework Infrastructure: Design, implement, and scale end-to-end BDD automation frameworks using Java, Selenium, and Cucumber.

• API & UI Testing Execution: Write and run seamless automated UI scripts alongside thorough back-end API automation suites using Rest Assured.

• Pipeline Deployment: Fully embed your functional testing scripts into active DevOps CI/CD pipeline implementations.

• Database Level Validation: Complete extensive data testing cycles by writing precise SQL scripts across multiple DB platforms.

• Root Cause Failure Isolation: Track down test flakiness, inspect application system logs, and actively debug automated script failures.

Requirements & Qualifications

• 4+ Years of recent, continuous hands-on experience in UI Automation using Selenium with Java.

• 18+ Months of recent, hands-on experience in API Automation using Rest Assured with Java.

• 2+ Years of hands-on experience building/using frameworks with BDD Cucumber.

• 2+ Years of extensive experience in DB Testing & writing clean SQL queries.

• Java Proficiency: High comfort level and deep understanding of programming in Java.

• Strict Continuity: Your hands-on automation background must be current and continuous, without recent breaks or transitions into pure management.

• Strong framework ecosystem awareness via TestNG, JUnit, Git, and Maven.

Nice to have / Bonus Skills

• Practical automation experience with Playwright.

• Foundational coding knowledge in Spring Boot or JavaScript.

What the B2B Contract Offers

• Transparent, long-term B2B contractual agreement with consistent billing terms.

• Highly professional, flat-structured engineering team culture.

• Access to cutting-edge cloud infrastructure and modern DevOps environments.