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Senior Fullstack Engineer - Localization

Berlin💼 Full-time🗓 2026-09-11 → 2026-09-26

Core

Build and optimize localization systems, integrations, and tooling to accelerate SumUp's global market expansion across 38 markets.

Role type

Senior Full Stack Engineer (Localization Platform)

Builds

Localization platform, CMS, CRM, and marketing system integrations

Domain

Fintech / Global Localization

Deliverable

production ML models | product features

Required skills

Backend engineering, Go, RESTful APIs, microservices, PostgreSQL, Kafka, Reactjs, Typescript, Translation Management Systems (TMS)

Preferred skills

AI and language technology, localization of web/mobile applications

Responsibilities

Design and optimize localization solutions across product and design systems; improve localization management platform visibility and control; embed automated language and quality checks into workflows; partner with Web, Mobile, and Comms teams to enable localization capabilities; explore AI integration for the localization stack.

Seniority

Senior, hands-on IC

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