Senior Backend / Fullstack Engineer - Marketplace

New

Schwarz Unternehmenskommunikation GmbH & Co. KG

Job

In this role, you will create high-performance backend services in Go, design REST APIs, develop responsive user interfaces, optimize the tech stack, and support the team with code reviews.

Job summary

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Job technologies

Your role in the team

  • You build it, you run it! You take responsibility for the design, implementation, and operation of our applications in the STACKIT Marketplace—with a focus on backend services in Go or as a versatile full-stack developer.
  • Go & Backend Specialist: You design and develop high-performance backend services and Backend-for-Frontend (BFF) architectures in Go (Golang), and provide scalable REST and gRPC APIs.
  • UX/UI Developer: Working closely with our UX designers, you turn wireframes and prototypes into pixel-perfect, responsive, and accessible user interfaces that delight our customers.
  • Quality First: You don’t just write code—you ensure the highest software quality through unit and end-to-end tests (both in the frontend and for your backend services).
  • Team player & visionary: You work agilely with Product Owners and engineering teams to bring technical visions to life across the full stack, and actively drive the evolution of our tech stack.
  • Mentor & Coach: You enjoy sharing your knowledge! You support your colleagues with code reviews and help establish best practices in the BFF area.

Our expectations of you

Qualifications

  • Go & API enthusiast: You are proficient in Go (Golang) or a comparable modern backend language and have in-depth knowledge of REST API design, microservices, and data modeling.
  • Web-native: HTML5, CSS3 (Sass/SCSS), and modern JavaScript are your tools of the trade. You know exactly how browsers render and how to optimize web performance.
  • Cloud affinity: Basic knowledge of Docker and Kubernetes is important, as you’ll be working in a “You build it, you run it” environment and will be able to deploy both your frontend and backend containers yourself.
  • Problem-solver: Complex UI logic, asynchronous data streams, or backend routing don’t faze you—your analytical skills help you find elegant solutions across system boundaries.
  • Communication professional: Fluency in spoken and written English is a must, as we operate internationally. German language skills are a plus. You enjoy working in an agile team that pushes one another to excel.

Experience

  • Backend or Full-Stack Professional: You have several years of professional software development experience, primarily with a strong focus on backend development (Go, microservices, API design) or as a Full-Stack Engineer.
  • Frontend skills (Optional / Plus): Experience with Angular, TypeScript, and modern web technologies is a major plus for a full-stack role, but not a deal-breaker for backend specialists.
  • Tooling expert: You are familiar with build tools (Webpack, NX) and package managers (npm, yarn), and have experience setting up CI/CD pipelines (e.g., with GitHub Actions or Azure DevOps).

What we offer

  • Fluency in spoken and written English is essential, as we operate internationally. German language skills are a plus.

Benefits

Topics you will work on

Job locations

Map of the job locations
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  • Location Neckarsulm
    74172 Baden-Württemberg, Germany

About your employer

The Schwarz Group, based in Neckarsulm, is a significant German conglomerate and one of the largest retail groups in Europe. It operates over 13,900 stores under the brands Lidl and Kaufland and employs around 575,000 people.

Company type
Established Company
Work model
Onsite, Hybrid, Full Remote
Industry
Trade
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Senior Backend / Fullstack Engineer - Marketplace

Schwarz Unternehmenskommunikation GmbH & Co. KG