Systems Engineer - Acquiring Processing at Unzer

Welcome to Unzer. We are a prominent European fintech company dedicated to simplifying international payments for retail and e-commerce businesses. Formed by the union of 13 specialized companies, we now operate as a team of over 750 experts from 70 different nationalities. Our mission is to create a unified commerce platform that provides a seamless shopping experience for customers everywhere. With headquarters in Berlin and offices across Germany, Austria, Denmark, and Luxembourg, we are constantly looking for passionate individuals to help us innovate in the payment space.

What is this role?

We are looking for a Senior Systems Engineer to join our Acquiring Processing team on a full-time basis. This is a hybrid role where you will work with a highly autonomous, self-organizing group that supports over 37,000 web shops. You will be responsible for maintaining business-critical applications and ensuring our payment infrastructure remains robust and efficient.

What will you do?

• Design, develop, and deploy both internal and external backend services and infrastructure.
• Maintain and operate complex distributed systems while participating in our on-call rotation.
• Collaborate closely with product managers and other technical teams to define features and ensure seamless system integrations.

What makes you a great fit?

To succeed in this position, you should bring a proactive mindset and a strong sense of ownership. We value candidates who prioritize high-quality, maintainable code.

• At least 3 years of software development experience, ideally with Ruby or Go.
• At least 3 years of experience building and maintaining cloud infrastructure on AWS, Azure, or GCP.
• Proficiency with Terraform for infrastructure as code.
• Fluency in English is required, and knowledge of Danish is considered a plus.

Please note that you must possess a valid work permit for this location, as we are unable to provide visa or relocation sponsorship.

What's in it for you?

We offer a supportive environment designed to foster both professional growth and personal well-being. Our benefits include:

• Flexible working hours and the ability to work from home up to 60% of the time.
• Commuter benefits, including mobility support and bike leasing options.
• An employee assistance program for professional or personal counseling.
• A dedicated annual learning budget of 1000 euros.
• Opportunities for company retreats and regular team events.
• Generous paid time off, including 15 days per year for workation within the EU.