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Senior Test Engineer (with knowledge of Python/Linux/Selenium)

Luxoft Poland

onsite
Posted Sep 1, 2026

**Role & seniority: ** System Test Engineer (Senior)

**Location & work type: ** Work from Poland; Agile/Kanban team

**Stack/tools: **

  • Languages: Python

  • Automation: Selenium

  • OS: Linux

  • Testing/quality: ISTQB (Advanced)

  • CI/CD & tooling: CI/CD pipelines; test automation; security testing

  • Dev/test systems: Jira, Bitbucket, Git, Polarion

**Top 3 responsibilities: **

  • Execute software baseline validation (basic regression, deliverable quality checks, testability input for requirements, produce quality verdict: accept/reject)

  • Perform alpha testing of new software packages (run tests, report issues, create test reports, submit tickets)

  • Drive process improvements and test automation/system maintenance (keep test systems healthy, fix issues, propose tooling/process changes)

**Must-have skills: **

  • ~5+ years as a Software Tester in complex software development

  • ISTQB Advanced certification

  • Strong manual testing with readiness to handle automation tasks

  • Debugging and analytic skills; capable of defect analysis/bug fixing

  • Hands-on Python, Selenium, Linux

  • Experience with CI/CD, integrating test processes across products, and security testing

  • Proficiency with Jira, Bitbucket, Git, Polarion

**Nice-to-haves: **

  • Ownership and “get things done” mindset; detail-oriented execution

  • Good communication; can cla

Full Description

📍work from Poland📍

Project Description

  • Software system level testing is a very important step in the development process of our products and ensures that the system meets specifications.

The System Test Engineer is a key participant in the system level test process and provides important input to the product release decision making process.

Responsibilities

  • The Digital Platform system team consists of 9 people and follows an Agile/Kanban way of working.

You will do mostly manual testing, but automation will still be part of your activities.

Software baseline validation · Execute the basic regression test on the software baseline · Quality check of the project deliverables · Contribute to requirement reviews with respect to testability · Review project input documents (project test report, process conformance) · Provide a quality verdict of the delivered software; accept/reject deliverables

Execute the alpha test of new software packages · Execute alpha tests · Report issues · Write test reports, submit issue tickets

Process improvement · Suggest process/tooling improvements where necessary · Test automation · Test system maintenance · Make sure the test systems are in a good state and solve issues where needed

Mandatory Skills Description

  • Bachelor degree or higher in Computer Science, Software Engineering or Information Technology.
  • You will do mostly manual testing, but you understand test automation and will be ready to take automation tasks as well.

· You have between +5 years of experience as a Software Tester in a complex software development organization. For this role we are only looking to hire a senior experienced Tester; · You are ISTQB certified (advanced level); · You like to perform manual and automatic testing; · You have strong debugging and analytic skills; you are experienced in defect analysis and bug fixing. . You have a very good knowledge an experience in Python, Selenium and Linux · Experience with CI/CD pipelines, integration of test processes across products, test automation and security testing, · Experience working with Jira, BitBucket, Git, Polarion.

Nice-to-Have Skills Description

  • Dynamic, engaged individual with strong sense of ownership and 'get things done' attitude.

  • Ready to face customer, gather, clarify and discuss requirements.

  • You are flexible, result driven, have a “make it happen attitude”, are a good communicator and a self starter.

  • You have an eye for detail and are accurate in the work execution.

  • You can combine pragmatism in execution with a structural process approach.

Languages

English: C1 Advanced

PythonLinuxSeleniumManual TestingTest AutomationISTQB CertificationCI/CD PipelinesJiraBitBucketGitPolarionDefect AnalysisRegression TestingSecurity TestingAgileKanban

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