RoleFalconJobsBrowseSenior Backend Engineer - Cards is an open role at SumUp, a company in fintech and payments. The posting gives Sofia, Bulgaria as the location. We classify it as a senior-level role in backend engineering. Technologies named in the posting: CI/CD, Elixir, Golang, Java and Kotlin. English is required. Perks named in the posting: equity and learning budget. There are 64 open positions from SumUp on this site, 7 of them in IT and engineering.
Posted 10 days ago · Last checked 2026-10-19
About SumUp
Fintech and payments Non-tech company with an IT team 64 open positions, 11% in IT and engineering. Most open roles: Sales (27), Backend engineering (5), Marketing and communications (4).
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- Senior Node.js Developer — Poland and Central-Eastern Europe, Bulgaria; Poland; Romania
- Software Engineer II - Rust - Pro — Kraken, Brazil | Peru | Sweden | Colombia | Argentina | Romania | Cyprus | Slovenia | Lithuania | South Africa | Czech Republic | Hungary | Mexico | Chile | Poland | Slovakia | Bulgaria
- Senior Software Engineer - Rust - Consumer — Kraken, Romania | Brazil | Peru | Sweden | Colombia | Argentina | Cyprus | South Africa | Czech Republic | Hungary | Mexico | Chile | Poland | Bulgaria
- Software Engineer - Rust - Payward Services — Kraken, Poland | Brazil | Peru | Sweden | Colombia | Argentina | Romania | Slovenia | Lithuania | South Africa | Czech Republic | Hungary | Mexico | Chile | Slovakia | Bulgaria
- Senior Scala Developer with Go — Poland and Central-Eastern Europe, Bulgaria; Poland; Romania
- Senior Java Developer (legacy project) — Poland and Central-Eastern Europe, Bulgaria; Poland; Romania
- Mid Backend Engineer — Trading212, Bulgaria
| Workplace | Workplace not stated |
| Seniority | Senior |
| Role | Backend engineering |
| Countries | Bulgaria |
| Languages | ElixirGolangJavaKotlin |
| Key facts | Stack: Elixir, Golang, Java, Kotlin, CI/CD · Languages: English · Schedule: on-call · Equity · Learning budget |
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