As a Junior Apparel Developer at On, you will play an active role in bringing high-performance apparel to life, contributing to innovative products that meet the demands of elite athletes and the next generation of performance consumers.

You’ll support the end-to-end development process across seasonal collections and special projects, collaborating closely with Design, Materials, Innovation, and Sourcing teams.

You will join a small, agile development team focused on delivering world-class performance apparel. Working closely alongside a Senior Apparel Developer and Lead Developer, you will receive direct mentorship and hands-on guidance while taking responsibility for specific product areas. This provides a unique opportunity to accelerate your technical expertise, build your product knowledge, and contribute meaningfully to some of On's most innovative performance projects.

With a sharp eye for detail, a solid foundational knowledge of garment construction, and a solutions-driven mindset, you’ll help ensure every product meets On’s high standards for performance, quality, fit, durability, and innovation. This role requires an effective communicator who is eager to learn, capable of managing assigned projects efficiently, and deeply passionate about developing technically advanced performance apparel.

• Support the development of a seasonal performance apparel collection, helping to create innovative products that meet the needs of athletes and performance consumers while reflecting On’s performance DNA.

• Assist and manage assigned stages of product development from concept through commercialization, ensuring products deliver against performance, innovation, quality, and athlete expectations under the guidance of senior team members.

• Collaborate with Design to create accurate, production-ready Tech Packs and ensure supplier instructions are clear, detailed, and aligned.

• Apply foundational construction techniques and seek technical solutions that meet design intent, performance requirements, fit standards, cost targets, and sustainability goals.

• Help execute fit, wear testing, and quality standards across assigned product ranges, ensuring products perform reliably under intended use conditions.

• Maintain product development documentation using Adobe Illustrator and PLM tools to manage detailed specifications, construction artwork, and material selections.

• Actively participate in fit sessions, bringing a strong standard of execution, technical curiosity, and growing competitor awareness.

• Partner with the Materials Developer to select and source materials that enhance performance, comfort, durability, and athlete experience.

• Maintain positive, collaborative relationships with key suppliers to ensure product quality, innovation, and production readiness.

• Make informed decisions within your assigned project scope, balancing design intent and technical feasibility while escalating complex issues appropriately.

• Manage assigned tasks concurrently, prioritizing effectively to deliver on timelines, quality, and cost goals with guidance from senior developers.

• Contribute to solving technical challenges related to construction, materials, fit, or production, showing a proactive attitude toward continuous process improvement.

• Develop foundational expertise in specialized performance categories, eagerly learning from senior colleagues to grow your technical knowledge.

• Collaborate effectively across functions including Design, Materials, Sourcing, Engineering, Innovation, Athlete Management, and external partners to support alignment from concept to production.

• Provide clear, timely product input and feedback to internal teams and suppliers, maintaining open and collaborative communication.

• Embrace a growth mindset by actively seeking feedback, reflecting on product outcomes, and fostering a collaborative, solution-focused team culture.

• Learn and apply costing principles, contributing to cost engineering efforts to meet commercial targets without compromising product performance or design intent.

• Bachelor’s degree in Fashion Design, Apparel Engineering, Sportswear Development, or a related technical field.

• 2+ years of experience in apparel development, ideally with an exposure to performance apparel, technical sportswear, or athlete-focused product.

• Strong interest in athlete needs and a growing ability to help translate performance requirements into commercially viable products.

• Good foundational knowledge of garment construction, basic pattern understanding, materials, and fit.

• Proactive, solutions-oriented mindset with a hands-on approach and openness to learning unconventional thinking.

• Proficient in Adobe Illustrator, Photoshop, PLM systems, and Microsoft Office tools.

• Comfortable working in a fast-paced environment with shifting priorities and ambitious product innovation goals.

• Willingness to travel regularly between HQ and global development and manufacturing partners as needed.

• Good communication skills and the ability to collaborate effectively across disciplines.

• Excited to work within a small, highly collaborative team environment where learning, growth, and continuous development are prioritized.

• Highly motivated to learn from experienced technical leaders while progressively taking on more independent responsibility for complex product categories.

We are a collaborative, creative, and science-driven development team working closely to convert cutting-edge ideas into viable prototypes and eventually commercialising them into exceptional performance products sold globally at premium sport retailers, in our global flagship stores, and in our DTC channel. High quality, aesthetically pleasing, and truly functional attributes are top of mind when creating our two season apparel collections and multiple fashion collaborations. Our cross-functional teams combine the best experts in fields such as Development, Design, Materials, Innovation, Sourcing, Testing, and Product Management/Merchandising to create truly extraordinary sportswear products.

Zürich

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.