Senior Product Developer – Soft Goods
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Product · London Office · Hybrid
Senior Product Developer – Soft Goods
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About Mous
We are Mous. (Pronounced mouse, not moose.) People deserve tech and lifestyle products that are fit for purpose, perform as promised, and empower them to be their best. That’s why we’re building the go-to brand for products that genuinely deliver.
For over 10 years, we’ve pushed product performance to its limits, designing from first principles, validating through real-world testing, and investing millions in R&D. In parallel, we’ve built world-class in-house marketing capabilities, creating highly engaging, performance-led content that proves what our products can do and resonates with a passionate, fast-growing community around the brand.
From throwing phones off dams to launching category-defining products, our ambition is simple: raise the standard of the industry and build one of the most effective consumer brands in the world.
About the Role
We're excited to announce an opportunity for a Senior Product Developer – Soft Goods to be a part of our expanding team in the UK! As we grow both steadily and swiftly, we're embarking on numerous new projects. For these ventures, we require an enthusiastic individual who can drive product development from prototype through to production, ensuring innovation, quality, and efficiency every step of the way.
About You
As a Senior Product Developer at Mous, you'll work collaboratively with our Product team. You will report directly to our Head of Product Development (Accessories & Soft Goods). This is an excellent opportunity for someone eager to contribute to a fast-paced environment, playing a crucial role in driving our projects to successful completion with precision and efficiency.
Key Responsibilities:
- Lead and project manage the development of multiple bag and accessory projects from prototype through to production.
- Building, maintaining and updating product tech packs and the product Bill of Materials (BOMs)
- Review construction, dimensional accuracy, and quality of all samples.
- Collaborate closely with the Soft Goods Team, UK Engineering Team, China Production and Quality teams as well as external suppliers.
- Liaise with suppliers regarding sample progress, planning, and building strong relationships.
- Lead cost engineering projects, ensuring the product is built to meet target costs and margins
- Implement test plans, oversee product testing, and ensure all products are designed for manufacture.
- Support the evolution of internal product development processes and best practices.
How will success be measured?
- Products developed and launched on time, within budget, and to specification.
- Strong communication and collaboration with cross-functional teams and suppliers.
- Effective problem-solving and decision-making in a fast-moving environment.
- Demonstrated leadership and potential to build a development team in the future.
- Implementation of product processes and best practices resulting in clear improvements to the way Mous develop backpacks
Skills requirements:
Hard skills:
- 6+ years’ experience in product development (bags, accessories, or apparel).
- Proven ability to manage multiple projects simultaneously.
- Expert knowledge in fabric construction, manufacturing, and production workflows.
- Proficiency in Adobe Creative Suite (InDesign and Illustrator essential).
- Experience in technical drawing, cost engineering, and BOM management.
- Strong background in supplier communication and sample management.
Soft skills:
- Self-starter with leadership qualities.
- Strong communicator with the ability to collaborate across multiple teams.
- Creative problem-solver with attention to detail and pride in quality.
- Adaptable, motivated, and confident decision-maker.
- Able to coach and mentor junior team members.
Nice-to-have:
- Experience leading a small team.
- Familiarity with DFMEA or similar risk assessment tools.
- Supplier travel experience in SEA.
- Knowledge of performance materials, sewing, pattern drafting, and colour approvals.
- Experience with project management systems
About Our Offer
We operate a hybrid working model, typically spending at least three days a week in our Hoxton office to maintain our collaborative and high-energy culture.
Benefits include:
- Significant opportunity for growth, ownership, and career progression
- Competitive salary reflective of experience and impact
- 30% Friends & Family discount on all [Employer hidden — view at passion-project.co.uk]
- 25 days’ holiday + 8 bank holidays
- 1 month paid leave after 5 years’ service
- Cycle to Work Scheme
- Employee Assistance Programme
- Charlie HR perks and discounts
- Regular socials, events, and on-site activities (including an on-site gym)
About Our Values
Get Results – We take accountability, prioritise impact, and push standards higher.
Work Together – We collaborate openly, challenge constructively, and learn from each other.
Enjoy the Ride – We stay agile, embrace change, and enjoy building something special together.
About Our Commitment
Mous is an equal opportunity employer. We celebrate individuality and are committed to building a diverse team with a wide range of experiences, perspectives, and backgrounds.