Test Automation Engineer

Billennium; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

Billennium is seeking an experienced Test Automation Engineer to join a long-term project for a leading healthcare organization. You will design and develop automated tests for integration platforms and ALM tool mappings, validate REST APIs, and verify JSON payloads and data flows, ensuring quality across complex integrations.

You will build test reporting with Allure, integrate tests into GitLab/GitHub CI/CD, and support manual testing when needed, while creating technical documentation.

Qualifications

• 5+ years of commercial experience as an Automation Test Engineer.
• Proven experience in automated testing of integration platforms, ALM tools, or enterprise applications.
• Hands-on experience with API Testing (REST, synchronous and polling-based data flows).
• Experience validating and troubleshooting integrations between tools such as Codebeamer, Jira, Azure DevOps (ADO), or similar platforms.
• Strong understanding of data serialization and validation (JSON, Jackson).
• Solid knowledge of XML technologies, including XSLT and XML Schemas (XSD).
• Experience with test reporting frameworks (Allure).
• Experience working with CI/CD pipelines (GitLab or GitHub).
• Ability to create and maintain test documentation.
• Fluent communication skills and willingness to collaborate with stakeholders.

Responsibilities

• Design and develop automated tests for integration platforms and ALM tool mappings.
• Validate REST APIs and synchronous/polling data flows.
• Verify and validate JSON payloads, serialized data, and business rules.
• Work with XML schemas and XSLT transformations.
• Build and maintain test reporting using Allure.
• Integrate automated tests into GitLab/GitHub CI/CD pipelines.
• Support manual testing activities when required.
• Create and maintain technical documentation.

Skills

Automation Testing

REST API Testing

CI/CD

Test Strategy

Documentation

Tools

Codebeamer

Jira

Azure DevOps

XML/XSD

Allure

GitLab

GitHub

Job description

We are looking for an experienced Test Automation Engineer who will join a long-term project for a leading healthcare organization.

What You Will Do:

• Design and develop automated tests for integration platforms and ALM tool mappings
• Validate REST APIs and synchronous/polling data flows
• Verify and validate JSON payloads, serialized data, and business rules
• Work with XML schemas and XSLT transformations
• Build and maintain test reporting using Allure
• Integrate automated tests into GitLab/GitHub CI/CD pipelines
• Support manual testing activities whenever required
• Create and maintain technical documentation

Requirements:

• 5+ years of commercial experience as an Automation Test Engineer
• Proven experience in automated testing of integration platforms, ALM tools, or enterprise applications
• Hands-on experience with API Testing (REST, synchronous and polling-based data flows)
• Experience validating and troubleshooting integrations between tools such as Codebeamer, Jira, Azure DevOps (ADO), or similar platforms
• Strong understanding of data serialization and validation (JSON, Jackson)
• Solid knowledge of XML technologies, including XSLT and XML Schemas (XSD)
• Experience with test reporting frameworks (Allure)
• Experience working with CI/CD pipelines (GitLab or GitHub)
• Ability to create and maintain test documentation
• Fluent communication skills and willingness to collaborate closely with technical and business stakeholders
• Readiness to perform manual testing when needed

Nice to have:

• Familiarity with OpenPDM, OpsHub, MuleSoft or similar integration platforms
• Experience with AI Agentic systems and MCP testing
• Knowledge of CSV-based integrations
• Understanding of GxP environments (pharma/life sciences)
• Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
• Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
• Global collaboration - work with a diverse, international team.
• Innovative environment - be part of a forward-thinking and growth-oriented workplace.
• Engaging community - Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
• Team-building events including our company tradition (annual company event in Mazury). A pleasant surprise to start your journey with us in the form of a welcome pack.