On

Senior Fullstack Engineer (Typescript)

On Berlin

Stellenbeschreibung:

Join to apply for the Senior Fullstack Engineer (Typescript) role at On

In short
Our wholesale business is growing and expanding globally, and we’re looking for a Senior Fullstack Engineer (TypeScript) to help scale On’s Go-To-Market & Wholesale operations. In this role, you’ll be based in our Berlin office, reporting to an engineering manager, working closely with the product team and key stakeholders in Zurich to improve and grow our systems using the latest technology.

Your mission

  • Lead and contribute to GTM projects impacting merchandising and wholesale operations.
  • Collaborate with engineering teams to maintain codebases, ensuring high quality and scalability.
  • Work within a cross-functional squad to build features and conduct experiments aligned with the product vision.
  • Streamline engineering workflows and improve productivity.
  • Enhance deployment processes, including CI/CD pipeline improvements, canary deployments, and automating rollbacks.
  • Participate in product discussions and take ownership in areas with many unknowns and open questions.

Your story

  • At least 1 year of experience acting as a tech lead using TypeScript in backend development.
  • Extensive experience with TypeScript and frameworks like Nest.js or similar.
  • Practical experience with React and Next.js.
  • Familiarity with at least one object-oriented programming language.
  • Production experience with REST API design and system design best practices.
  • Hands-on experience with Docker and Kubernetes.
  • Experience with relational databases is required.
  • Fluent in English.

Nice to Have

  • Knowledge of document datastores.
  • Experience with event-driven architectures.
  • Understanding of Domain-Driven Design.

Attributes of a Successful Candidate

  • Product-minded: Connects technical solutions to business value and user needs.
  • Pragmatic problem solver: Tackles challenges with practical, simple solutions.
  • Collaborative influencer: Guides team decisions and fosters consensus.
  • Growth-oriented: Open to feedback and continuous learning.

What We Offer

On fosters growth and progress, offering tools for holistic development, a supportive team environment, and resources for physical and mental well-being. We are committed to diversity and inclusion, ensuring a fair and equitable workplace.

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Stelleninformationen

  • Typ:

    Vollzeit
  • Arbeitsmodell:

    Vor Ort
  • Kategorie:

  • Erfahrung:

    2+ years
  • Arbeitsverhältnis:

    Angestellt
  • Veröffentlichungsdatum:

    04 Nov 2025
  • Standort:

    Berlin

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