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About the Role

As our Senior Full Stack Engineer, you'll bring dedicated engineering ownership by working closely with the Localization team to scope, build and ship systems, integrations, and tooling that accelerate the evolution of our localization platform towards greater automation, scalability, and end-to-end integration. This role offers autonomy, meaningful scope, and the chance to shape a growing function.

Responsibilities

Design, build, and optimize localization solutions across product, CMS, CRM, marketing, and design systems to expedite content delivery without compromising quality.
Improve the localization management platform to enhance team visibility and control while reducing manual steps.
Embed automated language and quality checks into localization workflows to catch issues before they reach production.
Enhance the experience for developers, designers, marketers, and content teams by ensuring localization solutions support their processes.
Partner with Web and Mobile, Website, Comms Platform, and other technical teams to enable localization capabilities across the technology stack.
Explore AI and language technology applications to strengthen and future-proof the localization stack, ensuring compliance with evolving requirements.

Requirements

Strong background in backend engineering, ideally with Go (alternatively knowledge with Python, Rust or C++).
Experience building and maintaining RESTful APIs in a microservices or distributed systems environment.
Working knowledge of databases such as PostgreSQL and event streaming tools such as Kafka.
Comfort translating priorities from non-technical stakeholders into scoped, shippable engineering work.
Ability to operate independently across a fragmented, distributed system landscape, working within architecture owned by other teams.
Exposure to frontend frameworks such as Reactjs and languages like Typescript.
Experience working with translation management systems (TMS), or with the localization of web or mobile applications and other content platforms.

Skills

Go
Python
Rust
C++
RESTful APIs
Microservices
Distributed systems
PostgreSQL
Kafka
Reactjs
Typescript
Translation Management Systems (TMS)
Localization

Location

Berlin

Work Type

Office-first

Experience Level

Senior

Benefits

Virtual Stock Option programme
Annual L&D budget of €2000
Corporate pension scheme (company matches up to 20%)
28 days of paid leave plus public holidays and special leave days
Urban Sports Club subsidy
Kita placement assistance
Subsidised office lunches
1-month sabbatical after 3 years of service
Referral Bonus

About the Company

SumUp empowers small businesses globally with simple and affordable tools to thrive.
Over 4 million businesses in 38 markets rely on SumUp as their financial partner.
The company has a diverse team of over 3,000 SumUppers from over 90 nationalities.
SumUp fosters global collaboration, an innovative mindset, inclusivity, and a continuous learning culture.
The company strives to create an environment where everyone belongs and feels supported.

Equal Opportunity

SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce.
Hiring and employment decisions are not made based on race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, or any other basis protected by applicable laws or prohibited by company policy.
The company is committed to creating a safe and respectful workplace where harassment of any form is strictly prohibited.