As a Software Engineer on our Happiness Delivery team, you’ll help shape the future of On’s customer experience. Working at the core of our Operations technologies team cluster.

You’ll develop services and intelligent solutions that make every customer interaction smoother and more effective, improve satisfaction and drive long-term loyalty. You’ll build solutions that leverage AI and automation to deliver personalised support experiences and improve the efficiency of our support teams.

A strong background in backend development, with proven experience building and shipping high-quality software. Proficiency in NestJs/Next.js and TypeScript, with a deep understanding of modern backend frameworks. Solid experience in designing, building, and consuming GraphQL/RESTFul APIs. Solid knowledge of relational databases (e.g., PostgreSQL) and data modeling. Experience with cloud platforms (GCP is a plus) and containerization technologies (Docker, Kubernetes). A solid understanding of frontend development and experience with modern web technologies to build seamless user experiences. You are a collaborative team player with excellent communication skills, comfortable working in an agile environment. Bonus points for experience with: Event-driven systems (e.g., Kafka, BullMQ, Pub/Sub) Working with customer support tools such as Salesforce, Talkdesk

As a team of software engineers from diverse technical backgrounds, we are united by a single mission: to create the most premium customer support experience in the world. To achieve this, we focus on: Building the Complete Experience: We develop and support both our customer-facing applications and the internal tools that empower our Happiness Delivery agents to provide world-class support. Driving Innovation and Automation: We leverage a modern tech stack (NestJS, TypeScript, GCP) to innovate with automation, AI, building proactive and intelligent solutions that anticipate customer needs. Engineering a Connected Ecosystem: We are responsible for the full lifecycle of our software, from designing robust integrations with critical systems like Salesforce and Talkdesk to ensuring our platforms are reliable, scalable, and performant.

London

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.

• Step One

  It starts with you...

  You'll start by submitting your application to a specific role. We try to keep this step as simple as possible. We do get a lot of applications, but we review them all. If you're a good fit to the role, a recruiter will follow up with you directly. If you didn't receive a reply, or were unsuccessful this time around, we encourage you to look for other possible matches at On.

• Step Two

  Interview with a recruiter

  What ignites your spirit? This is where we’ll start getting to know all about you and what makes you tick – and it’s your first chance to get a feel for our culture. Chatting with a member of our talent team, you’ll learn more about On and how we work. We’ll learn about what motivates you and what you could bring to the team.

• Step Three

  Interview with a hiring manager

  Ready to dig into the details? This second interview will be held with your future manager and will focus on the specifics of the job. Together you’ll delve into your unique skills and experiences and how they could be relevant at On. It's also a time to assess how you might feel working side-by-side. Bring any questions you have about the job, the team or anything else you might like to know – this is an open forum.

• Step Four

  The Case Study

  What's your style? This task will help us understand how you think, face a challenge and give insight into your novel ideas. Designed to give everyone their best shot, your case study is based on something you might typically experience on the job. This is your chance to show us what you’ve got. So express yourself. Be you.

• Step Five

  The Experience Day

  Your first taste of the Oniverse. This is a time to meet some of the people you'll be working closest with. In person or virtually, you'll get a feel for the day-to-day at On and the people who make it happen. You'll chat with a few potential teammates - the conversations will be as equally driven by the role and your experience as by our values. We believe how you do things is just as important as what you do.

• Step Six

  The Result

  Are we a good fit? We’ll get together internally to share our feedback and decide if we’re a match. We know that job searching is a big time investment, so it’s not a decision we take lightly. It’s also time for you to reflect on the experience – are we the right place for you? No matter the outcome, we’ll give you meaningful feedback.