Top Tech Jobs & Startup Jobs in Belfast

As a Product Owner, you'll drive the product vision and roadmap for search and discovery experiences, collaborating with teams to enhance user engagement and conversion across multiple brands and markets.

The Senior Full Stack Engineer will build, scale, and evolve OnBuy's commerce platform, owning end-to-end delivery across front-end and back-end systems while ensuring quality and performance standards are met.

The Senior Applied ML Engineer will build and maintain production ML systems for catalogue decision-making, improving data quality, product categorization, and discoverability.

Senior engineering leader accountable for delivery, operational resilience, and engineering standards across Buyer, Seller, and Platform domains. Balance live operations with platform transformation, lead people and Tech Leads, manage incidents and technical debt, embed security practices, and own resource planning and delivery execution for a trading e-commerce platform.

The Head of Performance Marketing will own and scale OnBuy's marketing efforts, focusing on GMV growth through data-driven strategies and team leadership.