Test Engineer

JTJ Sonneborn Industrie GmbHBrno, South MoravianHybridFull-timeJunior, 1–2 yearsListed 1 hour ago

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About this role

Join a team that transforms ambitious connectivity ideas to real life meaning full SMART home product on newest standards to give light and fresh air into every home. If you thrive and value delivering IOT and Smart home appliances with top class Quality in testing and thrive with optimizing flows with AI and test automation, we are looking for a Product Development Test Engineer to join our colleagues in Brno and Denmark. You will play a key role in ensuring the quality and release readiness of our app and cloud solutions.

The team develops connected products and solutions that combine embedded devices, mobile applications, and cloud services within modern Smart Home ecosystems, including Matter-based solutions.

In this role, you will focus on quality assurance and testing of our app and cloud solutions, many of which are developed in cooperation with external development partners. You will take ownership of ensuring that the right testing is performed, that test coverage and evidence are sufficient, and that quality and remaining risks are transparent before release.

This is not purely a hands-on test execution role. We are looking for someone who can understand complex systems, see across interfaces and components, coordinate testing across internal and external teams, and critically assess whether a solution has been tested sufficiently.

You will work closely with software developers, architects, Release Managers, test engineers, product stakeholders, and external development partners across multiple locations.

What will you do?

- Own testing and quality assurance for app and cloud solutions.
- Analyse requirements, architecture, interfaces, and test risks.
- Define and coordinate testing across relevant test levels and types.
- Assess third-party test plans, coverage, results, and evidence.
- Identify test gaps and ensure sufficient testing is performed.
- Coordinate testing across internal teams and external partners.
- Track defects, limitations, and remaining quality risks.
- Provide test evidence and release-readiness input to the Release Manager.
- Collaborate closely with colleagues located in Denmark and other international teams.
- Provide technical support to internal stakeholders across the organization.
- While the primary focus is quality ownership and test coordination, you will also contribute to test automation activities when needed.

What we're looking for

- Education & experience : university degree in Software Engineering, Computer Science, or a related field, with experience in software, system, or quality engineering for app and cloud solutions.
- Testing & automation : Solid knowledge of system, integration, API, end-to-end, and performance testing, including test automation principles, tools, and frameworks (mobile app automation, preferably Appium, is an advantage).
- Analytical & systems thinking : Ability to understand APIs, interfaces, architectures, and data flows, assess test strategies, coverage, and evidence, and orchestrate full system testing — with advanced use of AI for automation and workflow optimization.
- Tools & technologies: Experience with Git, Azure, Postman, REST APIs, and common development tools; general knowledge of microcontrollers and electronic circuits. ISTQB certification is a plus.
- Collaboration & ownership: Experience coordinating and challenging external or distributed development partners, with the ability to work independently and take ownership of assigned tasks.
- Languages & communication : Strong communication and coordination skills in both English and Czech.

What We Offer:

- Constructive cooperation based on trust and respect for the employee

- Employee Foundation support

- Hybrid work (3 times per week in the office)

- Flexible working hours

- Employee discount on VELUX products
- And lots of other benefits.

Join us in building the next generation of connected VELUX products and helping bring reliable Smart Home solutions to customers worldwide.

Ready to apply?
Learn more about the VELUX Group at www.velux.com , where you can also read about working at our company and what to expect in our recruitment process.
We look forward to receiving your application and CV as soon as possible. We are reviewing candidates on an ongoing basis until we find the right match.
All inquiries will be treated confidentially.

About VELUX
In the VELUX Group, we offer you a world of opportunities and the chance to create a bright future. From the forefront of the roof window category, we enable those who live, work, and play under the roof to transform their spaces and live a healthier everyday life with more daylight and fresh air.
The VELUX Group is an international, family‑owned business with strong financial roots. Each year, we create real impact by reinvesting in society, our employees, and the planet through our foundations. With 20 production companies in 12 countries and sales companies in 37 countries, our products are widely available. We employ around 12,000 people, and our headquarters are in Denmark. Alongside the rest of our values, “courage” and “mutual respect” guide our actions every day.

Equal Opportunity Employer
At VELUX Residential, we believe in fostering a diverse workplace where everyone can thrive, develop, and perform at their best. We are committed to providing equal opportunities for all, whether you are applying for a role or already part of VELUX Residential.
We recruit, hire, train, and promote people based on their skills and potential without regard to race, color, religion, sex, age, neurodiversity, disability, protected veteran status, national origin, sexual orientation, or any other basis prohibited by applicable law. We focus only on what truly matters: your qualifications and how you can contribute to our shared mission and success.