Senior QA Engineer

At Jacobs’ Krakow office, we build more than software – we create digital solutions that power complex, real‑world engineering and infrastructure projects across the globe. As part of our growing Digital & Data Hub, you’ll join high‑impact international teams where quality, innovation and collaboration are at the heart of everything we do.

Jacobs is expanding its work on next‑generation Digital Twin platforms, and we are seeking a Senior QA Engineer who will take full ownership of designing and implementing automated testing across the solution. The role includes defining the automation strategy, building and maintaining test frameworks, and ensuring end‑to‑end product quality.

From a technical perspective, the position focuses on automated and integration testing for a data‑driven Digital Twin environment that combines real‑time 3D visualization, event‑driven data flows, and cloud‑based backend services. This includes validating 3D scene updates, testing API and data‑pipeline integrations, verifying system behavior under real‑time conditions, and ensuring stability and performance across the platform. The automation stack includes Playwright, TypeScript, API testing tools, and performance testing utilities such as k6, along with tools for inspecting 3D scenes, data synchronization, and system logs.

Responsibilities:

• Design, implement and maintain end‑to‑end (E2E) regression tests for a React Web App using Playwright

• Validate authentication and authorization flows integrated with Ping One

• Test and analyze video‑streaming performance and stability for components built on the Omniverse Web Streaming Library

• Develop, execute and maintain performance test scripts including load scenarios for web APIs

• Monitor, maintain and optimize CI/CD pipelines in Azure DevOps, ensuring reliable execution of automated tests

• Collaborate with developers and testers to identify, triage and manage defects across cloud‑hosted services running on Azure Container Apps, with secure configuration via Key Vault and data validation against Azure SQL Database

• Generate and interpret test reports to support release decisions

• Participate in refinement sessions to ensure testability, clear acceptance criteria and alignment with delivery teams

Here's what you'll need:

• Minimum 7 years of experience in a Test Automation, QA Engineering 

• Strong hands‑on experience with Playwright for E2E automation of web applications

• Experience testing cloud‑based solutions, ideally on Azure

• Understanding of authentication/identity flows (experience with Ping One or similar tools is a plus)

• Experience with performance testing

• Experience testing performance and stability of real‑time 3D or simulation platforms, including load testing with tools like k6

• Practical knowledge of CI/CD pipelines, preferably in Azure DevOps

• Experience working with Git‑based repositories (GitHub)

• Familiarity with Jira or Azure DevOps for defect and task management

• Ability to work effectively in cross‑functional, client‑facing teams

• Strong analytical skills, attention to detail and a proactive approach to quality

• Good communication skills in English

We offer: 

• Rewarding employment - full-time employment or B2B with a salary that matches your qualifications

• Hybrid work model - enjoy the flexibility of working mostly from home

• Flexible hours - start your day anytime between 7:30 and 10:00 AM

• Comprehensive benefits, including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system

• Co-financed holidays - enjoy "Wczasy pod Gruszą" for a well-deserved break

• Global projects - engage in exciting international projects

• Inclusive networks - join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more

• Continuous learning - participate in our Graduate Development Program, Learners’ Community, and self-learning platforms

• Language courses - enhance your skills with courses in English, German, and Polish

We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. Find out more about life at Jacobs. As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team recruitmentpoland@jacobs.com