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Senior Test Automation Engineer with Java and Kafka

Sii Sp. z o.o.

Lublin

Hybrid

PLN 180,000 - 240,000

Full time

30+ days ago

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Job summary

A leading technology firm in Lublin is seeking a detail-oriented Senior Test Automation Engineer to join their Scrum team. This role involves designing robust automation frameworks and ensuring performance for e-commerce backend services. The ideal candidate should have extensive experience in test automation, strong knowledge of distributed systems, and proficiency in both English and Polish. Attractive benefits and a comfortable workplace are provided.

Benefits

Private healthcare
Benefits cafeteria platform
Car discounts
Investment in personal growth

Qualifications

  • At least 5 years of proven experience in test automation.
  • Experience with Agile methodologies and DevOps practices.
  • Strong expertise in testing Kafka-based applications.
  • Fluent in English and Polish.

Responsibilities

  • Support development teams in testing within Agile environments.
  • Prepare and execute test plans and exploratory testing.
  • Build and maintain automated tests.
  • Implement various types of tests for the systems.

Skills

Test automation
Agile methodologies
Kafka-based applications
Java programming
API testing
CI/CD tools
Event Sourcing understanding
Performance testing
Communication skills
Fluent Polish

Tools

Cucumber
Selenium
JUnit
Postman
RestAssured
Karate
Git
Jenkins
Jira
Confluence
Job description
  • We are looking for a detail-oriented Senior Test Automation Engineer to join our Scrum team developing next-generation e-commerce backend services. In this role, you will design and implement robust test automation frameworks for our Event-Driven Architecture (EDA) platform based on Apache Kafka and Event Sourcing. Your work will be critical to ensuring the scalability, reliability, and performance of distributed systems, while collaborating closely with developers and sharing knowledge within the QA community.
responsibilities :
  • Supporting development teams in testing activities within Agile environments
  • Preparing and executing test plans, test scenarios, and exploratory testing where automation is not yet applied
  • Building and maintaining automated tests across multiple levels
  • Eliminating the backlog of manual regression tests through automation coverage
  • Implementing integration, functional, load, and performance tests
  • Validating message flows, event-driven workflows, and state transitions in event-sourcing environments
  • Ensuring data consistency, idempotency, and fault tolerance across microservices
  • Applying mocking and simulation techniques for event-driven test scenarios
  • Reviewing automation test code to enhance quality and share knowledge
  • Contributing to the QA Community of Practice by sharing principles, practices, and improvements
requirements-expected :
  • Having at least 5 years of proven experience in test automation, preferably in international and multicultural environments
  • Working with Agile methodologies (Scrum, XP) and DevOps practices
  • Testing Kafka-based applications with strong expertise in distributed systems
  • Programming in Java with frameworks and tools such as Cucumber, Selenium, and JUnit
  • Performing API testing (REST, gRPC, GraphQL) using Postman, RestAssured, or Karate
  • Operating CI/CD and collaboration tools such as Git, Jenkins, Jira, and Confluence
  • Understanding Event Sourcing, CQRS patterns, and contract testing frameworks in depth
  • Conducting performance and load testing to ensure scalability and reliability
  • Practicing BDD and Gherkin-driven methodologies in Agile teams
  • Communicating fluently in English, both written and spoken, with technical and non-technical stakeholders
  • Fluent Polish required
  • Residing in Poland required
offered :
  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2. 1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People
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