Senior Embedded QA Engineer

About the role

As a Senior Embedded QA Engineer in SumUp's Hardware Tribe, you will be part of one of our small and highly skilled cross-functional teams and work together with Product Managers, Embedded Engineers, Mobile Engineers, and more. You will build sustainable solutions for testing and be accountable for the mobile testing tools that the QA team are building. Lastly, you will also be a critical decision maker in the design of hardware test infrastructures to run HIL tests and provide crucial support to software releases.

You should be an engineer with a product mindset who can fully own the features you are working on and remain flexible with changing priorities.

The role is based on-site in our office in Berlin. We believe in the power of face-to-face conversations that happen organically when working next to one another.

About the team

You have probably used our card readers to buy a cappuccino or pay your hairdresser already. In Hardware, we are passionate about creating these beautifully designed card payment devices and accessories that enable our merchants to start, run, and grow their own businesses. In doing so, we deal with a diverse range of engineering topics - industrial and electronic design, embedded systems, all the way to mobile apps and backend services.

We believe in open communication and constant learning over strict rules. If you're looking for the chance to innovate and help millions of small independent merchants succeed - join us!

What you'll do

• Ensure that all new code of developers has the right quality and is compliant with selected best practices (in collaboration with the CL)
• Build and maintain test infrastructure for HIL tests, with a strong emphasis on Embedded QA.
• Ensure that multiple types of tests cover the main features (especially UI, Mobile Application, and end to end tests)
• Ensure that new releases are delivered timely with the right quality
• Evangelize a strong quality mindset within the Hardware tribe

You'll be great for this position if:

• Expertise in Embedded QA in Linux environment
• Experience with Object Oriented Programming (Python being a must)
• Knowledge with REST APIs
• Experience building test libraries
• Expertise in testing and continuous integration strategies
• Experience of manual testing, writing test cases and campaign management

Why you should join SumUp

• The opportunity to work on large scale fintech products used by millions of small businesses around the world
• A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education
• Enrollment onto our virtual stock ownership program - you will own a stake in SumUp's future success
• A corporate pension scheme
• 28 days paid leave + 1 for birthday
• You'll attend global offsites and/or hackathons.
• You'd enjoy other great benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches and other location-tailored benefits, Babbel language platform subscription and more!

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Position Details

• Job Title: Senior Embedded QA Engineer
• Company / Organisation: SumUp
• Location: Berlin, Berlin, Germany
• Employment Type: Full-time
• Field / Industry: QA & Testing
• Work Arrangement: On-site or hybrid - Berlin, Berlin, Germany

About This Opportunity

This full-time opportunity at SumUp is an excellent opening for experienced professionals in the field of qa & testing. The role is structured around an on-site or hybrid environment based in Berlin, Berlin, Germany and is designed for candidates who are ready to make a meaningful contribution from the moment they join.

Based in Berlin, Berlin, Germany, this role offers the opportunity to collaborate closely with a local team in a structured professional environment. Candidates currently based in the area or open to relocation are strongly encouraged to apply.

Whether you are an established practitioner in qa & testing or a highly skilled professional looking for your next challenge, this Senior Embedded QA Engineer role offers the platform to apply your expertise in a real-world, results-oriented environment. SumUp is looking for a candidate who can hit the ground running and add genuine value to the team.

Who Should Apply

This role is ideal for candidates who have a solid background in qa & testing and a demonstrable track record of delivering high-quality results. You should possess strong communication, collaboration, time management, and a professional approach to delivering results. Experience working with relevant industry tools, productivity platforms, and team collaboration software will be an advantage, though a commitment to continuous learning and professional development is equally valued.

Beyond technical or domain expertise, SumUp is looking for someone who communicates clearly, collaborates effectively with colleagues and stakeholders, and takes ownership of their work from start to finish. If you thrive in a professional environment and are passionate about the opportunity to contribute meaningfully to team goals and drive positive outcomes for the organisation, we encourage you to apply.

Key Competencies for This Role

Successful candidates for the Senior Embedded QA Engineer position at SumUp will typically demonstrate the following core competencies:

• Domain expertise - a strong foundation of knowledge and hands-on experience in qa & testing
• Problem-solving ability - the capacity to identify challenges, think critically, and implement practical solutions efficiently
• Communication skills - clear and professional communication with colleagues, stakeholders, and partners at all levels
• Self-management - strong time management and the ability to prioritise a varied workload while meeting deadlines
• Team collaboration - a collaborative and supportive approach to working alongside colleagues across departments or locations
• Adaptability - the ability to respond positively to change and thrive in a dynamic, evolving work environment

How to Apply

To apply for this Senior Embedded QA Engineer position at SumUp, click the "Apply Now" button on this page. You will be taken directly to the official application page where you can complete and submit your application.

Before applying, please ensure that your CV or résumé is fully up to date and clearly highlights your experience and accomplishments in qa & testing. If a cover letter is included or requested, tailor it specifically to this role and explain how your background, skills, and goals align with what SumUp is looking for in a Senior Embedded QA Engineer.

All applications for this role are processed directly by SumUp. Career Nest facilitates the job discovery process and does not pre-screen or forward applications on behalf of employers. There are no fees for job seekers at any stage of the application process.

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