Senior Fullstack TypeScript Developer

As part of the Operations Platform Team within the Platform Tribe, you will contribute to building and evolving SumUp's internal unified platform for standardized tools and backoffices that support global Operations. As a Senior Fullstack Engineer, you will play a key role in developing scalable software systems that improve the developer experience when integrating domain-specific backoffices, while also enabling Customer Support teams to effectively assist our customers. You will work on key initiatives such as enhancing backoffice APIs, improving access management and auditing, and optimizing operational workflows.
Develop and maintain scalable backend services and APIs, while also contributing to intuitive and efficient frontend interfaces
Work closely with Identity, Verification, Data, and Engineers across Platform and Operations teams to deliver end-to-end features and improve overall user experience

5+ years of professional experience, with strong proficiency in TypeScript

• Solid experience building fullstack applications, with a backend-focused mindset Hands-on experience with modern fullstack frameworks such as Next.Experience working with SQL and event-driven architectures, particularly with Postgres and Kafka
• Good understanding of system architecture, software design principles, data modeling, and API design
• Experience mentoring or supporting other engineers in their growth

It would be a great addition if you have:
Experience with Go or an interest in learning it
Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. We take learning and experimentation seriously with Hack Days every second Friday, and entire global Hack Weeks .

• ##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

SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

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.