Technical Developer, Performance Apparel

- Lead end-to-end technical development across all styles within an assigned product category - Create, manage, and maintain highly detailed technical packs as the single source of truth for production - Develop and manage garment specifications and size grading throughout the full lifecycle - Maintain and evolve core block libraries to ensure consistency of fit and construction - Chair fit sessions, align cross-functional teams on feedback, and clearly communicate amendments to factories - Recommend commercially viable construction methods and material solutions, balancing quality, performance, and cost - Manage approvals for care labels, testing reports, and AQL documentation - Ensure all production garments meet approved specifications and quality benchmarks prior to shipment - Oversee shipment sample approvals, maintaining strict sign-off standards - Drive continuous quality improvement initiatives across development and production - Lead root-cause analysis on faulty garments and implement corrective actions to reduce returns - Partner with internal teams to coordinate garment and fabric testing programmes - Act as the primary technical point of contact for nominated manufacturing partners - Manage development progress, resolve technical queries, and ensure adherence to timelines - Build strong, trust-based supplier relationships to support innovation and competitive advantage - Travel to manufacturing sites as required to support development and production - Collaborate cross-functionally on material, trim, and branding developments from a technical and sourcing perspective - Attend supplier meetings and fabric showcases to source high-performance materials - Support structured wear-testing programmes and integrate feedback into product improvements - Maintain and update critical product development documentation and planning tools - Effectively prioritise workload to meet key development and production milestones - Provide mentorship and guidance to junior team members, supporting capability growth - Work collaboratively with commercial and digital teams to ensure product information accuracy