Professional Test Automation Engineer E-Mobility

vaylens GmbH is a leading provider of hardware-agnostic, scalable software solutions for Charge Point Operators (CPOs) across Europe and the UK. vaylens focuses on the management and monetization of EV (electric vehicle) charging infrastructure, offering tools for station management, access control, billing, and monetization. In 2024 alone, an amount of energy of 140 GWh was charged via the backend. This corresponds to 700 million kilometers traveled or around 17,500 times around the world. (A consumption of 20 kWh/100km was used as a basis for the calculation.)

vaylens is based in Dortmund and part of the KOSTAL Group. For more information, visit:

The work can be managed remotely – with time-to-time office presence depending on the team's agreement and the demand of the respective professional area – from any location in Hungary. In case of some company events, office attendance is expected from the colleagues. Technical conditions for working from home are fully in place.

Overall Purpose of Job:

An e-mobility backend platform is an essential part of a charging infrastructure. An electric vehicle (EV) driver depends on a reliable and error-free infrastructure and applications. Such a need can only be achieved by extensive and regular (automated) testing of all software components. As a result, the EV driver is offered the most worry-free charging experience as possible.

Main tasks, roles and responsibilities:

• As a Professional Test Automation Engineer, you drive the test activities within an interdisciplinary agile software development team in the context of a web portal.
• You ensure the desired product and process quality with suitable test methodologies.
• The design, implementation, maintenance and implementation of automatic and manual test cases is the essential part of your daily work.
• You will report bugs, re-test related software changes and help with troubleshooting bugs.
• You act as sparring partner for the Product Owner, the Developers and the Test Management.
• You can teach test methodologies to other testers.
• You will work with international colleagues in our scaled agile software development program using SAFe methodology and Scrum.

Experiences and requirements:

• Closed academical studies, preferably B.Sc. or M.Sc. degree in Computer Sciences/Business Informatics or similar education
• 3+ years of professional experience as Test Automation Engineer
• Experience with automating functional, integration and regression tests of micro services, web applications or web services.
• Ideally, experience with a test automation framework like Cypress, Selenium or Playwright, or the willingness to build-up this knowledge in a short term.
• Knowledge of programming languages (JavaScript and/or TypeScript) and databases (SQL and/or non-SQL).
• Having ISTQB Certified Tester Foundation Level (CTFL) and ideally, with the Agile Tester (CTFL-AT) extension is an advantage
• Fluent English

Required Skills and Competencies:

• You are characterized by a high level of quality awareness and standards. You have an attention to detail and a passion for error-free software.
• You love to work in a team, you like to learn new things every day and like to communicate.
• Experience with agile methodologies like Scrum or Kanban and ideally, SAFe.
• Ideally, experience in the EV charging business make it smoother

What do we offer :

• Flexible working conditions with remote work possibility (in-person presence is required from time to time), you can have a real work-life balance
• Modern, newly renovated, sustainable office with parking space and bicycle storage area in the heart of Budapest
• Supportive, diverse and highly skilled community
• Ability to really make a difference and build new processes from scratch, you can participate in the formation and shape of the BSC processes
• KOSTAL is a dynamically developing company, an independent, family-run business which provides much flexibility
• You can enjoy our value-oriented work culture: we are down-to-earth, appreciative, inspiring and innovative