We are looking for a highly skilled Part-Time / Freelance Senior Designer with a strong background in premium activewear to support a growing fashion company. This role will help define and elevate their product offering across performance and lifestyle categories, bringing together technical innovation, modern aesthetics and a deep understanding of the activewear customer.

You will lead design projects from concept through to final samples on a flexible basis, providing senior-level expertise while collaborating seamlessly with internal and external partners.

Main responsibilities will include:

• Develop seasonal activewear concepts, mood boards and colour/print stories aligned with brand positioning.
• Translate brand and market insight into clear, commercial and elevated design directions.
• Design premium activewear collections (e.g. leggings, sports bras, tops, outerwear, shorts, accessories) with a focus on fit, function and style.
• Create detailed sketches and tech packs suitable for development.
• Attend in-person fittings as needed, providing expert feedback on fit, movement and feel.
• Monitor global activewear trends, innovations in performance materials and construction, and shifts in consumer behaviour.
• Conduct competitor reviews to ensure the brand remains differentiated and relevant in the premium space.
• Feed insights back into design proposals and range planning.
• Integrate sustainable materials and responsible design decisions wherever possible, aligned with brand values.

Person specification:

• Significant experience fashion design with a clear focus on premium performance activewear.
• Distinct, modern design aesthetic suited to premium activewear and athleisure.
• Detail-oriented, with a strong appreciation for quality, comfort and function.
• Strong understanding of performance fabrics, components and construction techniques specific to activewear.
• High level of proficiency in design tools (e.g. Adobe Illustrator/Photoshop; 3D design/PLM systems a plus).
• Solid technical understanding of fit, grading and garment construction for active categories.
• Experience working in a freelance or consultancy capacity, comfortable managing your own time and workload.