Typescript/Fullstack Engineer

We're looking for a Fullstack Engineer to join our Billing & Subscription squad within the Platform tribe. In this role, you will contribute to key initiatives such as improving the merchant wallet and billing user interfaces, while also supporting the backend services that power these experiences.
As a Fullstack Engineer, you'll collaborate closely with product managers, designers, and other engineers to build scalable and reliable solutions. The team values pragmatic decision-making, strong ownership, and a focus on delivering high-impact products that support SumUp's growing ecosystem.

Build and enhance user interfaces for the merchant wallet and billing areas using modern frontend technologies such as React and TypeScript
Design and implement backend functionality that supports billing and wallet experiences using languages such as Go or Node.Collaborate with product managers, designers, and engineers to deliver features that support new subscription and billing capabilities across different markets
Participate in a weekly support rotation to help maintain platform stability and assist with resolving merchant-related support requests Contribute to improving and refactoring core billing components to support better integration with other payment and commerce systems

Hands-on experience with Golang in a production environment, with Node.Experience building user interfaces with modern frontend technologies, such as React and TypeScript, with a focus on performance, maintainability, and usability
Experience working with SQL and event-driven architectures, particularly with PostgreSQL and Kafka
Understanding of system architecture fundamentals, software design principles, data modeling, and API design
A collaborative approach and openness to feedback when working in team environments
Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. A dedicated annual L&D budget of €2,000 for attending conferences and/or advancing your career through further education.

• ##A corporate pension scheme where we match up to 20% of your contributions
• ##30 Days Sabbatical: Enjoy the unique opportunity to take a well-deserved break with our 30 days sabbatical benefit after completing 3 years of employment with SumUp.
• ##Referral Bonus: Earn additional rewards by referring talented individuals to join the SumUp team.
• ##Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, relocation assistance, subsidised office lunches.

Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships.
Our commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify.
Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited.
Explore career opportunities with us and join a team driven by collaboration, innovation, and a shared vision of creating a world where everyone can build a thriving business. Discover more about our vibrant and inclusive work culture and how we work on our careers website , and follow our journey on LinkedIn and Instagram .

If you don't tick every box, it's ok too because it means you have room to learn and develop your career at SumUp.