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Salary
≈ $32k – $67k per year (Estimated)
Location
Hybrid (Warsaw, Gdańsk, Gdynia, Poland)
Employment
Contractor

First seen by Alion on Oct 28, 2026. B2Bnetwork scores B on the Alion truth index.

Overview
Company
Impact
Profile match
B2Bnetwork (B2B.net S.A.) is a Warsaw-based IT outsourcing and software testing company that supplies IT engineers and whole teams to clients in data and analytics, cloud, cybersecurity, digital workplace and application development and maintenance. It operates from the Kopernik Office Buildings in Warsaw, runs QA, cloud, security and academy networks, organises ISTQB examinations, and places many specialists on projects for large banks, most visibly Nordea in Warsaw and Gdansk. Its postings cover Java and Python developers, test automation engineers, IT analysts, data engineers, solution architects, Scrum masters and project managers, largely on B2B contracts.

We are looking for an experienced QA Automation Engineer to join a team working on a project focused on backend test automation and ensuring the quality of communication between systems.

The ideal candidate has hands-on experience with Java, REST API and SOAP testing, and can independently design, develop, and maintain automated tests. We value a proactive mindset, ownership, and strong collaboration skills.

Your Responsibilities

  • Design, develop, and maintain automated backend tests using Java.

  • Automate API testing using REST Assured.

  • Perform testing of REST API and SOAP/WSDL services.

  • Validate data integrity and communication between integrated systems.

  • Write and execute SQL queries for testing and data validation purposes.

  • Develop and maintain test automation frameworks following OOP principles and Clean Code practices.

  • Integrate automated tests into CI/CD pipelines.

  • Analyze test results, identify defects, and collaborate with development teams to resolve issues.

  • Generate and manage test reports using Allure and test management tools.

  • Actively contribute to improving testing processes and overall software quality.

Our Requirements

  • Hands-on experience in backend test automation.

  • Strong Java programming skills and practical experience in developing automated tests.

  • Experience in testing REST API and SOAP/WSDL services.

  • Practical knowledge of REST Assured.

  • Hands-on experience with Allure for automated test reporting.

  • Good SQL skills, including the ability to independently write queries and validate data.

  • Understanding of object-oriented programming (OOP), Clean Code principles, and POJO.

  • Experience with CI/CD processes and tools such as Jenkins or Bamboo.

  • Strong analytical and problem-solving skills.

  • A proactive approach, ownership of assigned tasks, and the ability to collaborate effectively within a team.

Nice to Have

  • Experience in ETL testing and data processing workflows.

  • Knowledge of Apache Kafka.

  • Practical experience using AI tools in daily engineering or testing activities.

  • Familiarity with JUnit 5 and Lombok.

  • Experience with qTest or alternative test management tools.

  • Experience working with complex backend systems and system integrations.

What We Offer

  • The project focuses on automating backend tests with Java and validating communication between integrated systems.

  • Professional development in API test automation, data processing, and CI/CD practices.

  • A collaborative team environment that values independence, knowledge sharing, and continuous improvement.

  • Opportunities to develop AI-related skills and participate in training initiatives.

  • The chance to make a real impact on software quality and testing processes.

Recruitment process

  • Application review

  • Interview

  • Decision and feedback

Tech stack

  • Test Automation
  • Java
  • backend testing
  • API Testing
  • REST API
  • SOAP / WSDL
  • REST Assured
  • SQL
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