Senior QA Engineer - POS Hardware (m/f/d)

ABOUT US

Unzer is a leading European fintech company with a mission to simplify international payments for e-commerce and retail businesses. Our brand was formed from 13 companies that now contribute to building a unique product covering the entire payment flow.

At Unzer, we are driven by the belief that customers should enjoy a seamless shopping experience, no matter where they choose to shop. We are a team of over 700 experts of 55 different nationalities, dedicated to creating a state-of-the-art unified commerce platform. Our goal is to enable businesses to delight their customers with a seamless payment experience.

Whether you're a tech enthusiast, payment expert, or a dedicated support professional, we are looking for individuals who are passionate about making a difference.

Our offices: We are based across Austria, Denmark, Germany and Luxembourg with a HQ in Berlin.

ABOUT THE TEAM

As a QA Engineer, you will play a key role in supporting the quality assurance of both hardware and software Point of Sales – POS products. You will work closely with multiple systems for merchant onboarding and management, test API integrations, and ensure the successful deployment of new features. You will collaborate with developers and various teams, provide documentation, user support, and training, and contribute to continuous improvement in product quality and team communication.

At the same time, you will have the opportunity to work on exciting key account projects in order to integrate the best possible Unzer product solution.

What your work will look like:

•Test and validate new payment terminal hardware and software releases.

•Collaborate on systems used for merchant onboarding and master data management.

•Test API integrations with Network Service Providers (NSPs), requiring familiarity with JSON.

•Write clear documentation and user manuals for new features.

•Use JIRA for issue tracking and basic project management tasks.

•Use Confluence for knowledge sharing and documentation.

•Employ tools like Opensearch, Postman, and basic SQL for testing and data review.

•Leverage basic background in cash register systems for relevant QA tasks.

•Communicate effectively with cross-functional and developer teams.

•Support and resolve requests from other teams regarding features, products or systems.

•Analyze special tasks and provide QA insights and recommendations.

•Deliver presentations and training sessions about new features and product solutions to internal teams.

•Work in both English and German (proficiency in both is preferred).

What you need to be successful in this role:

•Experience or strong interest in QA/testing of software and hardware.

•Basic understanding of programming concepts; experience with JSON is a plus.

•Basic knowledge of Opensearch, Postman, and SQL.

•Experience with JIRA and Confluence is an advantage.

•Good written and verbal communication skills; ability to explain technical topics to non-technical audiences.

•Strong documentation skills and attention to detail.

•Familiarity with Microsoft Office (Word, Excel, PowerPoint).

•Fluency in both English and German

•Team player with a proactive and analytical mindset.

•Previous experience with payment terminals, APIs, or cash register systems is a plus.

Please note that we will not sponsor your visa or relocation, and you must have a valid work permit to be eligible for this position.

What’s next?

•Does it sound exciting? - Apply with your CV in English. Please don’t shy away if you don’t meet all the requirements! We’re looking forward to meeting you.

•We will get back to you within 14 days of receiving your application.

•The interview process includes a 30-minute intro call with a TA Partner, a 60- minute call with the hiring manager, 60min skills assessment and a 30min final call. Please note the process might alter depending on our team’s availability.

WHAT WE OFFER

More than a workplace. A place to grow. 🌍

At Unzer, colleagues from 50+ nationalities across four countries work together to create better outcomes for our merchants. We take ownership, move with pace and keep raising the bar—as one team.

We set high expectations and give you the flexibility, learning opportunities and practical support to do your best work, grow your impact, and build a sustainable career.

🏡 Flexibility that works

Combine focused time at home with connection and collaboration in the office. Our hybrid setup includes two office days per week.

🚲 Your commute, your choice

Choose the mobility benefit that works for you: bike leasing or a Deutschlandticket.

🏖️ Work from anywhere in the EU

Change your perspective and work from another EU country for up to 15 days per year.

📗 Keep raising the bar

Use an annual learning budget of €1,000 for courses, conferences, certifications and other development opportunities that help you grow and increase your impact.

🫴 Support when you need it

Access confidential counselling whenever you need support with personal or professional matters.

💰 Build your future

Look ahead with our company pension scheme and take care of your long-term financial wellbeing.

Benefits may vary by location and employment setup. Your recruiter will share the details relevant to your role.

*Unzer is an equal employment opportunities workplace, and we commit to hiring regardless of race, sex, gender identification, sexual orientation, national origin, native language, religion, age, disability, marital status, citizenship, genetic information, pregnancy, or any other characteristic protected by law. Please refrain from including your picture and age with the application.

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