Senior Fullstack Engineer - Localization
SumUp · Berlin, Germany · Berlin
- Level
- Senior
- Type
- full-time
- Mode
- On-site / hybrid
- Posted
- 2026-09-11
- Team
- Engineering
Role description
The Localization team builds and owns the systems that make sure every merchant, in every one of our 38 markets, can understand and use our products in their own language. It's one of the most critical enablers of SumUp's global growth, sitting at the heart of how fast and how well we can go to market anywhere in the world. As our Senior Full Stack Engineer, you'll bring dedicated engineering ownership by working closely with the team to scope, build and ship the systems, integrations and tooling accelerate the ongoing evolution of our localization platform towards greater automation, scalability and end-to-end integration.…
Technologies named in the posting
How Rolefit scores this role
- Stack overlap (50%). Every technology named in the posting is compared with your selected stack, weighted by how rare it is across the whole index — a niche match counts for more than Docker.
- Seniority fit (16%). The level in the posting is compared with the level assessed from your years and depth.
- Title alignment (16%). Whether the role is actually pitched at your field rather than adjacent to it.
- Freshness and filters (18%). Newer postings, your work type and your target region all move the score.
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