(Senior) Backend Engineer - Global Bank
SumUpVilnius, Vilnius County, Lithuania • Summerville, South Carolina, United States
Posted October 10, 2025
63000 - 90000 EUR year
Full Time
About the Company
SumUp is a leading global fintech company providing simple and affordable tools for small businesses to manage payments, finances, and customer relationships. With a diverse team of over 3,000 employees across 20 offices worldwide, SumUp is committed to empowering small businesses through innovation and expanding into new markets. The company also demonstrates its social responsibility by donating 1% of net revenue from Solo devices to environmental causes and supporting educational projects.
Job Description
SumUp is seeking a (Senior) Backend Engineer to modernize their balance management system and create a global transaction history service for merchants. The role involves building and evolving core banking services, tackling distributed systems challenges, and collaborating with various teams to deliver reliable financial solutions. It's a large-scale fintech project aimed at helping small businesses manage their finances.
Requirements
- Solid backend experience building reliable services and managing system design.
- Proficiency in Golang, Kotlin, and Elixir.
- Experience writing maintainable, well-tested code.
- Comfortable with building, deploying, and running services in cloud environments like AWS.
- Knowledge of PostgreSQL.
- Collaborative approach with a focus on communication and feedback.
Benefits
- Health Insurance
- Death & Disability Insurance
- Employee assistance program
- Fitness and Transport allowance
- Language learning benefits
- Stock ownership program
- Learning budget
- Annual leave
- Career growth and learning opportunities
- Salary growth