CareerPlan

Senior Backend Engineer - Run & Grow

BerlinFull-time2026-10-07 → 2026-11-10
On-site

Core

Design, build, and operate production-grade backend services, APIs, and integrations for merchant acquisition, identity, marketing, operations, risk, and compliance.

Role type

Senior Backend Engineer (Go)

Builds

Production backend services, event-driven workflows, and distributed systems for SumUp's growth engine.

Domain

Fintech / Payments

Required skills

Go, API design, distributed systems, Kafka, event sourcing, CDC patterns, relational databases (PostgreSQL), analytical databases (Snowflake), observability, incident response, testing

Preferred skills

Fintech/payments domain experience, mentoring, pragmatic engineering

Technologies

Go, Kafka, PostgreSQL, Snowflake

Responsibilities

Design and build backend services and APIs; implement event-driven workflows; define service boundaries and data models; modernize existing services; collaborate with cross-functional teams; review code and mentor engineers.

Seniority

Senior, hands-on IC