July 3, 2026
C++ Software Development Engineer
Senior • Hybrid
120 - 155 PLN
Katowice, Poland
Work in an international team. The R&D project focuses on communication and integration of devices with the cloud/IoT.
Our expectations
Strong C++ programming (object – oriented) with QT practical knowledge
Embedded Linux development
SomeIP communication protocols
Testing frameworks: Google Test, Robot Framework
Agile development experience, Scrum
English or German proficiency
Hybrid role (70% remote / 30% onsite in Katowice). Requires quarterly business travel to Germany to participate in planning.
Welcome Skills
IoT concepts and heating systems knowledge/experience (esp. heat pumps)
Model-base development knowledge (Simulink) nice to have
CI/CD Know how
Key tasks
Develop and maintain C++ based embedded software (Embedded Linux) for heating system control
Implement graphical user interfaces using QT library
Integrate with system architecture via SomeIP communication
Perform unit testing (Google Test), static code analysis and support system – level test (Robot
Framework and Python)
Work and collaborate in agile teams to meet sprint goals
The candidate will work in the SCI Stream, currently 6 agile teams focused on SystemControl and HMI software features for products like heat pumps, boilers, and systemsolutions. The mission is to deliver customer-centric solutions through fast integration,continuous testing, and impactful demonstrations. Tasks include, for example, developingheating/cooling features and commissioning functionalities, enabling Smart Homeintegration and supporting system products & accessories. The teams are working as part ofan overall Solution Train within the SAFe framework. The role involves strong collaborationwithin the software development team and across the SCI stream.
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You will mentor teams and lead automation initiatives in a financial services environment. 🗂️ Requirements: 4+ years experience in UI and API test automation, Strong TypeScript and JavaScript expertise, Experience with Java and exposure to .NET environments, Hands-on experience with Playwright, Selenium, WebdriverIO or Protractor, Experience testing REST and SOAP APIs, Ability to design scalable test automation frameworks, Experience integrating automated tests into CI/CD pipelines, Practical knowledge of SQL and data validation, Experience with Git-based workflows, Experience working in Agile/Scrum environments, Fluent English 📃 Skills: TypeScript, JavaScript, Java, .NET, Playwright, Selenium, WebdriverIO, Protractor, REST, SOAP, SQL, Jenkins, Git, Jira, Agile, Scrum, Temenos, T24, AI, LLM, Copilot, ChatGPT, Claude 🏢 Description: Work model: hybrid from Gdynia / Gdańsk (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial services project focused on enterprise banking solutions, leading test automation initiatives, developing UI and API automation frameworks, and driving quality improvements across complex systems in an international environment. Responsibilities you'll have Lead, mentor, and support team members in adopting test automation best practices and quality engineering standards Define and drive the test automation strategy, including roadmap planning, framework architecture, tooling selection, and quality governance Design, develop, maintain, and continuously enhance scalable and robust UI and API test automation frameworks Collaborate with business stakeholders and Functional SMEs to establish effective quality approaches, acceptance criteria, and risk-based testing strategies Integrate automated testing into CI/CD pipelines and work closely with development and infrastructure teams to ensure seamless delivery processes Assess automation opportunities and define the optimal level of test automation for new features and business requirements Continuously improve test coverage, execution efficiency, reliability, and diagnostic capabilities of automated test suites Manage test data dependencies, test environments , and complex cross-system integration scenarios to ensure stable and reliable test execution Collaborate effectively within international and cross-functional teams , while actively contributing to QA and test automation communities of practice Expected competences and knowledge Over 4 years of hands-on experience in test automation, covering both UI and API testing (REST/SOAP) Strong expertise in TypeScript and JavaScript, with additional experience in Java and exposure to .NET-based environments Proven experience with modern test automation tools and frameworks, including Playwright, Selenium, WebdriverIO, and Protractor Solid understanding of test automation framework design, architecture principles, and best practices for building scalable and maintainable automation solutions Experience in API testing, SQL queries , and data validation to ensure end-to-end quality across complex systems Hands-on experience integrating automated tests into CI/CD pipelines using tools such as Jenkins and other continuous delivery platforms Strong knowledge of Git-based development workflows and collaborative software delivery practices Experienced in working with Jira and other QA management tools within Agile/Scrum environments Demonstrated ability to lead initiatives, mentor team members, and promote test automation best practices across teams Strong communication, stakeholder management , analytical, and problem-solving skills Self-motivated, proactive, and capable of working independently in dynamic and international environments Fluent in spoken and written English Nice to have Experience working within the banking and financial services domain , with an understanding of enterprise-scale systems and regulatory requirements Familiarity with Temenos T24 and its role within core banking environments Proven experience operating in large, distributed enterprise testing environments , collaborating with cross-functional and geographically dispersed teams Practical experience leveraging AI-assisted development and productivity tools, including GitHub Copilot, ChatGPT, and Claude , to accelerate test automation development, code refactoring, troubleshooting, and documentation activities Exposure to modern AI- and LLM-driven test automation approaches, including the generation of test scenarios, locators, test data, assertions, and automation assets based on business requirements and functional specifications Strong interest in applying emerging AI technologies to improve software quality, test efficiency, and automation coverage