Senior Java Test Automation Engineer – Data & API Focus

Jit Team; Poland; Hybrid; PLN 180,000 - 270,000; Full time

Job summary

Jit Team in Poland is seeking a Senior Test Automation Engineer to join a banking project.

You will design and implement automated tests for data transformations, data distribution, and complex integrations across Master Data Management solutions.You will play a key role in designing and maintaining automated tests for data flows, backend services, APIs, and integration processes, helping drive an Automation First approach while ensuring high-quality and reliable data across systems.

Qualifications

• 6+ years in test automation in complex enterprise environments.
• Hands-on with Java 17+ for test automation development.
• Experience with JUnit 5 and RESTAssured for API testing.
• Strong SQL skills and database testing experience.
• Familiarity with CI/CD and Git-based workflows.
• Knowledge of QA methodologies, test design, and regression testing.

Responsibilities

• Design and implement automated tests for data transformations, data distribution processes, integrations, and APIs
• Validate data quality and ensure consistency across multiple systems
• Perform database testing, including data verification and backend process validation
• Develop and maintain scalable, maintainable test automation frameworks
• Create and execute regression test suites integrated with CI/CD Pipelines
• Analyze test results, investigate defects, and provide clear test evidence and reporting
• Collaborate with developers, business analysts, Product Owners, and other teams
• Support automation initiatives for new and existing products
• Leverage AI tools to improve test automation efficiency
• Mentor and support less experienced team members in best practices

Skills

Test automation

Java 17+

JUnit 5

RESTAssured

SQL

APIs testing

Git

CI/CD

Jenkins

Bamboo

Allure

Kafka

QA methodologies

Clean Code

Master Data Management

AI testing

Tools

Java 17+

JUnit 5

RESTAssured

SQL

Git

Jenkins

Bamboo

Kafka

Allure

REST APIs

Job description

Jit Team in Poland is seeking a Senior Test Automation Engineer to join a banking project.

You will design and implement automated tests for data transformations, data distribution, and complex integrations across Master Data Management solutions.You will play a key role in designing and maintaining automated tests for data flows, backend services, APIs, and integration processes, helping drive an Automation First approach while ensuring high-quality and reliable data across systems.