-
On

Frontend Software Engineer

On
Germany · Full-time · Entry

In short

Our Direct to Consumer business is performing and growing strongly, which is why we - within the Customer Acquisition stream in Technology - are looking for a Frontend Engineer to scale On’s online business to the next level. As an experienced engineer, you will contribute to building first-in-class web applications and digital services with a premium user experience. Based in our Berlin office, you will collaborate closely with cross-functional teams across Berlin, Zurich, and London

Your mission

  • Build and maintain on-site experiences for end users powering mar-tech tools and personalisation services.
  • Optimize website features for performance, scalability, SEO and accessibility.
  • Set a good example of balancing between delivery and quality having the user in mind.
  • Work closely with business stakeholders and UX designers.
  • Navigate ambiguity and fast-changing priorities with a pragmatic, delivery-focused mindset.
  • Communicate technical design and decisions effectively through verbal and written communication.
  • Collaborate with digital marketing and product teams to deliver high-performance solutions.

Your story

  • Proven experience in building high-quality web applications using TypeScript and modern JavaScript frameworks such as Vue.js (preferred) or React
  • Hands on experience designing and consuming APIs using GraphQL (Apollo is a plus) or REST, with a solid understanding of software architecture, asynchronous patterns, and test-driven development
  • Familiarity with the Node.js ecosystem and build tools like Webpack or Rollup
  • Experience with server side rendering framework like NuxtJs or NextJs is a strong advantage
  • Deep understanding of HTML5, CSS3 and modern UI/UX principles with a focus on building accessible and SEO-friendly user interfaces
  • Comfortable working with content management systems (CMS) to deliver dynamic, localized and personalized content experiences
  • Exposure to experimentation frameworks and A/B testing methodologies is a plus
  • Strong communication skills in English, with a collaborative mindset and the ability to clearly articulate technical concepts

What We Offer

On is a place that is centered around growth and progress. We offer an environment designed to give people the tools to develop holistically – to stay active, to learn, explore and innovate. Our distinctive approach combines a supportive, team-oriented atmosphere, with access to personal self-care for both physical and mental well-being, so each person is led by purpose.

On is an Equal Opportunity Employer. We are committed to creating a work environment that is fair and inclusive, where all decisions related to recruitment, advancement, and retention are free of discrimination.

Key Skills

Ranked by relevance

seo javascript typescript webpack graphql server html5 ux
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Posted
Aug 25, 2025
Type
Full-time
Level
Entry
Location
Berlin
Company
On

Industries

Retail

Categories

Engineering Information Technology

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