Assistant Product Developer, Menswear

As our Assistant Product Developer, you’ll support the Product Development team in driving innovative and commercially successful product across the Reiss collection. Working closely with Design, Buying, Technical and Merchandising teams, you’ll help manage sourcing, supplier relationships and product development from initial concept through to final production. This role plays a key part in ensuring products are developed in line with the Reiss DNA, delivered on time through the critical path and aligned to margin and sustainability targets.

Who you are

• Previous experience in a Product Development, Production or Buying support role within a fashion retail environment.
• Strong understanding of the product development process and critical path management.
• Highly organised with excellent attention to detail and the ability to manage multiple priorities.
• A confident communicator with the ability to build strong relationships with suppliers and cross‑functional teams.
• Commercially aware, with an interest in fabrics, yarns, garment construction and sourcing.
• Proactive and solutions‑focused, with a genuine interest in sustainability and product innovation.

What you’ll be doing

• Supporting the Product Developer in managing supplier relationships and maintaining an effective sourcing base across departments.
• Assisting with seasonal supplier analysis, identifying opportunities within the supply base and supporting supplier progression plans.
• Working closely with Design teams to support the development of fabrics, yarns and stitch techniques in line with seasonal direction.
• Assisting with supplier negotiations and reviewing costing breakdowns to help achieve target margins without compromising product quality.
• Managing sample development by sending development specs, chasing samples and ensuring all swatches and materials arrive on time for key meetings.
• Maintaining sample trackers, material libraries and system updates to ensure all product information remains accurate and up to date.
• Supporting critical path management by attending progress meetings, tracking actions and collaborating with Buying, Merchandising and Technical teams through to delivery.
• Contributing to sustainability initiatives by supporting the development of more responsible materials, certifications and sourcing practices across the range.

What we offer

• Competitive salary and company bonus.
• Up to 65% employee discount.
• Access to exclusive sample sales.
• Aviva DigiCare+ wellbeing services.
• Medicash health support plan.
• Workplace pension contributions.
• Enhanced parental leave policies.
• Electric Vehicle scheme via Octopus Energy.
• Cycle to Work programme.
• Season ticket travel loan.
• Plus further workplace benefits.

We recognise the importance and power of diversity within our business and, as such, we ensure that our people processes are fair, transparent and promote equality of opportunity for all candidates. It is our pledge that candidates will not be discriminated against on the grounds of gender, gender identity or expression, pregnancy, marital status, age, race, colour, ethnic background, nationality, disability, sexual orientation, religion, religious or similar belief. Every individual will be treated with respect. We know that some people won’t apply for a role unless they feel they meet all of the requirements listed. We want you to know that finding people who will add to our inspirational culture and have a learning mindset is incredibly important to us. Even if you feel you don’t tick all the boxes, we’d still like to hear from you.