2 months ago
Vilnius, LithuaniaSenior
Responsibilities
- Develop new functionality and support existing services primarily using Go.
- Build and maintain reliable distributed systems and backend services.
- Contribute to the merchant risk decision framework and fraud prevention, risk, and compliance use cases.
- Collaborate with product managers, data scientists, machine learning engineers, fraud strategy teams, and operational stakeholders.
- Help shape technical direction, service boundaries, and system design decisions.
- Contribute to Python projects, including AI-agent initiatives.
- Participate in code reviews, testing, monitoring, continuous improvement, and potentially an on-call rotation.
Requirements
- Professional software development experience with Go/Golang.
- Experience building and operating distributed systems and backend services.
- Strong system design skills and understanding of reliable, maintainable software architecture.
- Experience with Kubernetes and Kafka.
- Working knowledge of Python and interest in Python-based products or AI-agent development.
- Experience using AI-assisted development tools.
- Experience in agile, cross-functional teams and stakeholder collaboration beyond engineering.
- Pragmatic, outcome-focused approach with the ability to define MVPs and make sensible trade-offs.
- Collaborative mindset, constructive communication, and motivation to learn fintech, fraud prevention, risk, and compliance domains.
Benefits
- Office-first setup from SumUp’s Sofia office with global collaboration.
- Annual learning and development budget of €2,000 for conferences or further education.
- Enrollment in the VSOP program, providing a stake in SumUp’s future success.
- 25 days of paid leave.
- 30-day sabbatical after three years of employment.
- Additional health insurance and life insurance.
- Gym allowance, referral bonus, Hack Days, and global Hack Weeks.
- Inclusive and diverse workplace.
Tech Stack
Categories
About SumUp
SumUp builds card readers, point-of-sale apps, and payment tools for small businesses, along with accounts, invoicing, and online checkout. It sells hardware and earns fees on payment processing and subscriptions for software and services such as invoicing and loyalty. Founded in 2012 and headquartered in London, the company serves more than 4 million merchants across 30+ markets, and offers options like payment links and Tap to Pay.