Job Description

It’s never been a more exciting time to join Vistra. At Vistra, our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction.

Senior QA Engineer – Full‑time & permanent position based in Poland.

Purpose of Role

Ensure the end‑to‑end quality, reliability and performance of the STAR application by delivering comprehensive automated and manual testing across UI, API, data and integration layers. The role drives continuous improvement of QA processes, strengthens automation maturity and ensures alignment with business objectives. The QA Engineer plays a critical role in reducing risk, enhancing system accuracy and ensuring that STAR enables efficient, compliant and scalable business operations.

Key Responsibilities

• Perform comprehensive functional, UI, API, integration and regression testing across STAR application modules.
• Validate data integrity, workflow accuracy and end‑to‑end system behaviour for new features and BAU enhancements.
• Conduct cross‑system validation for upstream/downstream dependencies and ensure alignment with business rules.
• Evaluate system performance, reliability and edge‑case handling during release cycles.

• Log, track, analyse and verify defects using JIRA or equivalent tools with clear documentation and root‑cause insights.
• Partner with developers, BAs and product owners to triage issues and drive timely resolution.
• Participate in defect reviews and contribute to continuous improvement of code quality and release stability.

• Adhere to and help refine centralized QA standards, frameworks and testing methodologies.
• Create, maintain and version‑control test cases, test scripts and test data for audit readiness.
• Ensure all prerequisites for QA execution—environment readiness, access configuration and test data preparation—are met.
• Contribute to risk‑based testing approaches and ensure compliance with regulatory and operational controls relevant to Investment Management.

• Lead automation initiatives to expand regression coverage and improve testing efficiency across UI, API and data layers.
• Develop and maintain automated test suites using established frameworks and integrate them into CI/CD pipelines.
• Support performance and load testing strategies to evaluate system scalability and reliability.
• Drive continuous improvement through adoption of modern QA tools, automation best practices and advanced testing techniques.

• Work closely with Product Leads, Technology teams, Data teams and Operations to ensure QA efforts align with business priorities and release timelines.
• Participate in agile ceremonies, planning sessions and release readiness activities.
• Communicate quality risks, test results and environment constraints to stakeholders in a clear and timely manner.
• Foster a quality‑first mindset across cross‑functional teams and advocate for improvements that reduce operational risk.

Education and Experience

• Bachelor’s degree in Computer Science, Engineering, Business Administration or related field.
• 5+ years of QA Engineering experience within the Investment Management or Financial Services domain.

Required Skills

• Strong understanding of QA methodologies, SDLC and agile delivery practices.
• Hands‑on experience with test management tools (e.g., JIRA).
• Proficiency in Selenium or similar automation frameworks and familiarity with BDD tools (e.g., Cucumber).
• Experience building automated test suites integrated into CI/CD pipelines.
• Solid experience with API testing and SQL‑based data validation.
• Strong analytical, problem‑solving and communication skills.
• Ability to collaborate effectively with cross‑functional teams and manage multiple priorities with attention to detail.

Preferred Qualifications

• Experience with cloud platforms (Azure, AWS or Google Cloud).
• Familiarity with financial systems such as Paxus, Yardi, Solvas or Investran.
• Agile certifications (CSM, PMI‑ACP, SAFe Agilist).

At Vistra, we believe in putting our employees’ well‑being first! We offer a hybrid working arrangement along with attractive insurance benefits, excellent job exposure and career prospects.

If you are excited about working with us, we encourage you to apply or have a confidential chat with one of our Talent Acquisition team members. Our goal is to make this a great place to work where all our people can thrive. We hope you join us on this exciting journey!

Location: Warsaw, Mazowieckie, Poland