Fullstack Engineer

About the Role

As part of the Field Sales Engineering Team, you will maintain and enhance our Global Field Sales processes to enable our biggest mission. The team operates within the Platform Tribe, which focuses on developing essential internal developer platforms for SumUp.

You’ll play a key role in developing software systems that empower both Sales and Engineering teams to identify optimal systems and approaches for processes that benefit SumUp merchants and internal users alike. Our goal is to enable our users to deliver value to customers without worrying about the underlying infrastructure.

What You’ll Do

  • Design, build, and maintain services integral to dependable and highly available production systems, following SumUp’s microservice architecture.
  • Design, construct, and upkeep our services with scalability and reliability in mind.
  • Develop high-quality, scalable code adhering to Platform standards and best practices.
  • Collaborate with stakeholders to identify pain points and gather feature requests.
  • Work closely with Sales, Data, and Software Engineers across Platform and Operations teams.

You’ll Be Great for This Position If You Have

  • 5+ years of programming experience in TypeScript.
  • Experience with fullstack frameworks such as Next.js, Remix, Nuxt, or Meteor.
  • Proficiency in building and consuming RESTful APIs within a microservice environment.
  • Experience with SQL and event-driven architecture, specifically Postgres and Kafka.
  • Solid understanding of system architecture, software design principles, data modeling, and API design.
  • Collaborative mindset and openness to feedback in team environments.
  • Demonstrated pride in engineering work and a strong sense of ownership over tasks.

Why You Should Join SumUp

  • 🌍 Global Impact: Work with SumUppers worldwide on large-scale fintech products used by millions of businesses. This role follows an office-first setup in Berlin.
  • 🧑‍🔬 Innovation Culture: Participate in Hack Days every second Friday and Global Hack Weeks focused on experimentation and learning.
  • 🌈 Diversity & Inclusion: Join a workplace that values diversity, inclusivity, and respect for all perspectives.
  • 📚 Learning & Development: Annual L&D budget of €2,000 for conferences or further education.
  • 🚀 VSOP Program: Own a stake in SumUp’s success through our value share ownership plan.
  • 💶 Pension Scheme: We match up to 20% of your contributions.
  • 🔄 30-Day Sabbatical: After 3 years with SumUp, enjoy a well-deserved 30-day paid sabbatical.
  • 🔗 Referral Bonus: Earn rewards by referring talented professionals to our team.
  • 🚵🏾‍♂️ Additional Perks: Urban Sports Club subsidy, Kita placement assistance, relocation support, and subsidized office lunches.

About Us

Be empowered to do more that matters.

At SumUp, we’re on a mission to empower small businesses globally by providing simple and affordable tools that help them thrive. Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner for payments, finance, and customer relationships.

Our team of 3,000+ SumUppers from over 90 nationalities embodies collaboration, inclusivity, and innovation. Our core values drive our work culture, promoting continuous learning and a sense of belonging where everyone feels supported and valued.

SumUp is proud to be an Equal Employment Opportunity employer, embracing diversity across all areas of our business. We prohibit any form of discrimination or harassment and are committed to providing a safe, respectful, and inclusive workplace.

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.

Job Application Tip

We recognise that candidates often feel they need to meet 100% of the job criteria before applying. Please note this is only a guide — if you don’t tick every box, that’s okay! You’ll have room to learn, grow, and develop your career at SumUp.

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