Full Stack Engineer - Billings & Subscriptions

Навыки

• Коммуникация
• JavaScript
• Room / Realm / CoreData
• MongoDB
• MySQL
• Next.js
• Node.js

О компании и продукте

• Be empowered to do more that matters.
• At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 37 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 core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth. 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. SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce.
• Our Billing and Subscriptions team sits at the heart of how SumUp's merchants pay for, manage, and grow with our products. We own the billing engine, merchant wallet, and subscription experiences that underpin millions of transactions across 37 markets, and right now, we're in an exciting phase of rebuilding and expanding that foundation. We're deepening our billing capabilities to support new sales models, market expansions, and financial integrations that directly shape how small businesses experience SumUp — and this role is central to making that happen.

Задачи

• Build and maintain backend services and frontend interfaces across our billing, contracts, and merchant wallet products
• Contribute to the refactoring of key billing components to improve reliability, data security, and alignment with our wider payments platform
• Support the expansion of our billing and wallet capabilities into new markets, helping ensure localisation requirements are met
• Take part in our weekly support rotation, handling incoming customer queries and helping maintain platform stability
• Work closely with senior engineers and product managers to deliver features end-to-end, from implementation through to production
• You'll be great for this role if
• Comfortable working with both relational databases such as PostgreSQL or MySQL and non-relational databases (such as DynamoDB, MongoDB, or Redis)
• A pragmatic approach to problem-solving, able to make sensible trade-offs, unblock yourself and others, and write clean, maintainable code
• Why you should join SumUp
• Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office
• This involves an office-first setup
• Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced
• A dedicated annual L&D budget of €2000 for your individual development, which can be used to attend conferences and/or advance your career through further education
• A corporate pension scheme where we match up to 20% of your contributions
• Generous time off: enjoy 28 days of paid leave plus public holidays and special leave days
• Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches
• Break4me: 1-month sabbatical after 3 years of service
• Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team

Требования

• Solid experience building full stack applications, with a backend focus. Ideally comfortable with Node.js or Go, though we're open to other backend languages
• Practical frontend experience working with React and Next.js, with the ability to write clean, typed code in TypeScript or JavaScript
• Strong communication skills in English, both written and spoken, with the ability to give and receive clear, constructive feedback

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