About SumUp

We believe in the everyday hero. Those who have the courage to follow their passion and who have the strength and determination to realise their dreams.

Small business owners are at the heart of all we do, so we're creating powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a team-first attitude, our diverse teams across Europe, South America and the United States work together to ensure that small business owners can be successful doing what they love.

Your Team

You’ll join our Finance & ERP Engineering team, a core group responsible for building and maintaining the SAP backbone that powers SumUp’s financial, logistics, and compliance operations across multiple markets.

This team plays a critical role in some of SumUp’s most impactful initiatives — from electronic invoicing across EU countries, to field sales enablement, to automation of accounting and tax processes supporting SumUp’s IPO readiness.

As a Junior SAP Developer, you’ll work closely with experienced SAP Developers, functional experts, and business stakeholders. You’ll be supported to learn SumUp’s SAP landscape end-to-end, contribute to real production systems, and progressively grow your technical ownership while helping keep mission-critical finance systems running smoothly.

📍 Get a feel for our Sofia hub here 👉 Sofia Office

What You’ll Do 🛠️

Learning & Training (first months)

• Get hands-on onboarding into SumUp’s SAP landscape (S/4HANA, Fiori, CPI, BTP)


• Learn our clean code principles, development standards, and delivery practices


• Shadow senior developers to understand business processes across finance and logistics

Developing & Contributing

• Develop and maintain SAP programs, reports, and interfaces with guidance


• Support testing, debugging, and quality assurance of SAP applications


• Assist in building and extending SAP Fiori applications


• Work on integrations with other systems (e.g. Kafka, Snowflake, Salesforce)


• Document development work clearly and consistently

Progressing Your Impact

• Take ownership of small features and enhancements over time


• Contribute to sprint planning, reviews, and team ceremonies


• Participate in code reviews and gradually contribute to technical discussions


• Support incident resolution and continuous improvement of existing solutions

You’ll Be Great for This Role If 🌱

Must-have

• You have 1–2 years of SAP development experience or a strong programming background


• You have basic knowledge of ABAP


• You understand SAP architecture and at least one module (FI, SD, MM, or similar)


• You’re comfortable working in English (spoken and written)


• You enjoy learning, asking questions, and working collaboratively


• You’re happy with an office-first setup (4–5 days/week) in Sofia

Nice to have

• Exposure to SAP Fiori / UI5


• Knowledge of SAP CPI or integration technologies (APIs, REST, Kafka)


• Familiarity with Agile / Scrum ways of working


• Interest in finance, accounting, or logistics business processes


• Experience in a fast-paced or product-driven environment

Why You Should Join SumUp – Sofia 🇧🇬

🌍 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our modern Sofia 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
🏖 Generous time off: 25 days of paid leave, plus one extra day per year of service (up to 35), along with public holidays and special leave options
🏥 Peace of mind: comprehensive health and life insurance — including dental coverage
💪 Stay active: on-site yoga and a co-sponsored Multisport card with access to hundreds of sports facilities
🍽 Meal support: tax-free food vouchers with added flexibility via our Re:Benefits platform
🚌 Easy commute: free shuttle buses connecting directly to Joliot-Curie metro station
👶 Family-friendly: new baby bonus and subsidised daycare for children aged 9 months to 12 years
🌴 Break4me: 1-month sabbatical after 3 years of service
🔗 Referral Bonus: earn additional rewards by referring talented people to join SumUp

At SumUp, we’re on a mission to empower small businesses around the world with simple, affordable tools to help them start, run, and grow. More than 4 million merchants across 36 markets trust us as their financial partner — and we’re just getting started.

We’re a global team of 3,000+ people from over 90 nationalities, united by curiosity, collaboration, and care. Our core values and culture shape everything we do, fostering inclusion, learning, and belonging.

SumUp is proud to be an Equal Employment Opportunity employer, committed to building a safe, respectful, and diverse workplace where everyone can thrive.

👉 Learn more on our careers site, or follow us on LinkedIn and Instagram.