Senior Lead - Software Engineer

In short

Our Product R&D business is performing and growing strongly, which is why we are looking for a Staff Software Engineer with a strong focus on event‑driven architectures to help scale On's business to the next level. As a key member of our engineering team, you will play a pivotal role in leading the development of data streaming for product data throughout its lifecycle.

In addition to being hands‑on, you will mentor team members, share your knowledge and expertise, and influence the technical direction of the organization. You will be based in London (or within commutable distance) and are willing to be in the office two days per week. You will collaborate closely with teams in Zurich, Berlin, Ho Chi Minh and London, and work with Technology and Product Development departments across On's global office locations.

• 5+ years of experience building and operating large scale event‑driven systems in production
• Extensive hands‑on experience with Apache Kafka in production, including modeling data pipelines and applying streaming patterns and anti‑patterns
• Experience leading complex technical initiatives, partnering with multiple stakeholders and teams, and providing technical direction to others
• Experience mentoring and coaching engineers, providing guidance and feedback to support growth and development
• Exceptional verbal and written communication skills, with the ability to clearly articulate complex technical concepts to senior leaders, technical stakeholders, and cross‑functional teams

AI and Data engineering fundamentals and exposure to Big Query. Previous experience in manufacturing lifecycle or production of physical goods, and exposure to Computer Vision or an interest in learning.