Senior Full Stack Engineer at SumUp
Berlin, Berlin, Germany -
Full Time


Start Date

Immediate

Expiry Date

20 Nov, 26

Salary

0.0

Posted On

22 Aug, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Industry

Software Development & Publishing

Description

What you'll do

  • Build and maintain features across the full stack of our progressive web app, spanning the field sales experience, back office tooling for sales agents, and emerging LLM-powered support tooling, owning work from scoping through to production
  • Participate actively in product discovery, joining user research sessions, reviewing usage data, and contributing to prioritisation discussions alongside product
  • Work directly with sales stakeholders to understand their needs, distinguish between what's requested and what's actually needed, and propose solutions with clear trade-offs
  • Contribute to raising engineering standards across the team, through documentation, code quality, and proactive process improvements
  • Integrate with external systems such as Salesforce where required, and help shape how data flows across domains to create a consistent experience for field sellers

You'll be great for this role if

  • Hands-on experience with a full-stack framework, Next.js, Remix, Nuxt, or similar, with a clear track record of shipping real-world features end-to-end.
  • Strong, proven experience with React and TypeScript, building scalable, maintainable applications in a production environment.
  • Experience building or consuming RESTful APIs and working within complex micro service systems, familiarity with Go is welcome.
  • Comfortable as a Kubernetes user, with exposure to working in cloud-native, distributed environments.
  • Experience working in a product-led or dual-track agile team alongside our product team, contributing to product decisions, not just technical ones.
  • A natural tendency to reach out to stakeholders, ask the right questions, and bring genuine empathy to the end user's experience.
  • Comfortable showcasing and demoing work, and always looking for ways to simplify or automate where it makes sense.


Responsibilities
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