Gymshark - Yarn & Materials Developer

• Minimum of 3 years' experience in material development, yarn development, seamless development, performance fabric development, or related technical product development. • Strong technical knowledge of seamless materials, fibres, yarns, and knit constructions. • Good understanding of seamless circular knitting technology, preferably Santoni or equivalent machinery. • Knowledge of yarn covering methods, yarn draw-in processes, feeder allocation, plating, yarn pathing, and yarn tension principles within seamless circular knitting. • Ability to assess how fibre composition, yarn selection, stitch architecture, elastane construction, and machine settings influence fit, compression, recovery, opacity, handfeel, durability, and production consistency. • Strong understanding of seamless knit structures including rib, mesh, jacquard, tuck, float, plating, engineered ventilation, and body-mapped support zones. • Good understanding of garment technology, seamless construction, fit, grading principles, and body-zone performance requirements. • Strong knowledge of laboratory testing and commercial testing standards for performance activewear and seamless products. • Ability to interpret laboratory testing, wear trial results, and supplier performance data to identify opportunities and resolve technical challenges. • Good understanding of colouration, dyeing, and finishing processes relevant to seamless yarns and garments. • Experience working directly with yarn suppliers and seamless manufacturing partners throughout the development lifecycle. • Strong understanding of sustainable practices within yarn, material, and product development. • Excellent communication and stakeholder management skills, with the ability to collaborate effectively across internal and external teams. • Strong problem-solving skills and the ability to proactively identify risks and propose practical solutions. • Excellent attention to detail, organisation, and technical documentation standards. • Proficiency in Microsoft Office and PLM or similar product lifecycle management systems. • Ability and willingness to travel when required. • Preferred • Experience working with Santoni seamless suppliers or equivalent circular knitting manufacturers. • Experience developing women's and/or men's seamless activewear products. • Knowledge of sculpting, compression, body-mapping, engineered ventilation, and support zone technologies. • Experience working with covered elastane, air-covered yarns, textured yarns, recycled polyamide/polyester yarns, and performance synthetic yarns. • Experience managing yarn libraries, stitch architecture libraries, material platforms, or innovation programmes. • Onsite Collaboration: Due to the hands-on and highly collaborative nature of the work within our Product & Supply Chain team, we have a minimum expectation of FOUR days per week onsite at our Gymshark HQ. This ensures we can work closely together to innovate, problem-solve, and deliver world-class products for our community. • Onsite Collaboration: • we have a minimum expectation of FOUR days per week onsite • BELONGING AT GYMSHARK. • Our mission is to be a place where everyone belongs. We’re an equal opportunities employer, and for us that means we always strive to be as inclusive as possible in all aspects of employment, right from your application. We’re committed to finding reasonable adjustments* for candidates with specific needs or have a disability during our recruitment process, and all applicants will be considered fairly and equally. We do not tolerate discrimination of any kind. *If you’d like to request a reasonable adjustment please email [email protected]. • We’re here to unite the conditioning community. We believe that putting the sweat in today, prepares us for tomorrow. So, we give people the tools they need to reach further, go faster, be stronger. We celebrate those who show up – for themselves – to be their physical or mental best, whatever that means for them. It’s what we want for our community, and our team. A team that’s growing rapidly around the world. A collective of talented individuals working together to invent Gymshark’s future. Our plans are ambitious, and we’re looking for people who want to join us for the ride – our growth will be your growth.