# Backend Engineer (Golang) - Bank Balance at SumUp

- Company: SumUp
- Status: Open
- Workplace: On-site
- Location: Vilnius, Lithuania
- Level: Mid-level
- Discipline: Backend
- Employment: Full-time
- Posted: 2026-09-08
- Skills: Golang, APIs, Databases
- Apply: https://sumup.com/careers/positions/8785611002?gh_jid=8785611002

## Description

At SumUp, the Global Bank team builds the core infrastructure and services that give merchants a digital bank account, helping small businesses manage their money easily and reliably. 
 The Balance Management Squad sits at the core of the Global Bank Platform. Right now, our team is completing a major milestone: consolidating and modernizing our balance management system in Europe. The next big step is creating a global transaction history service; a single, shared platform used by all regions to give merchants consistent and transparent views of their financial activity.
 As a Backend Engineer , you’ll help modernize existing systems while balancing innovation with stability, collaborate with teams across regions, and build reliable services that manage diverse markets with different regulations.
 If you enjoy solving complex problems on high-load systems, are curious about banking, and are looking for a team that tackles challenges head-on, we’d love to hear from you.
 The Vilnius team is a core part of the Global Bank domain. We own production systems, shape technical direction, and work closely with colleagues across SumUp’s global offices on critical merchant banking capabilities. Join our Vilnius Team today ( Vilnius office ).
 What You’ll Do 
• Build and evolve the SumUp’s core banking services that powers ledger operations and transactions, transforming our regional systems into a unified, scalable global platform.
• Tackle complex distributed systems challenges, ensuring resilient services that continue to perform under high transaction volumes.
• Support moderniza

More SumUp roles: https://deviantjobs.com/companies/sumup