Senior Mobile Engineer Software engineering London

About the Role

is on a mission to transform the shopping experience for millions of consumers. As a senior individual contributor in mobile, you'll help design and build the products we put in the hands of our end users.

Working hand-in-hand with our engineering team and product leaders, you'll be crafting high-performance, user-friendly experiences that operate at scale. Your role will extend beyond writing code - you'll define architecture, lead technical discovery, and help us build the foundations that underpin our consumer offering.

What you'll be doing

• Architecting and building the mobile experiences that are used directly by millions of consumers around the world.
• Owning feature development end-to-end, from discovery through to development, and monitoring through to maintenance.
• Working closely with backend teams to ensure the underlying systems we build are aligned to support our mobile product evolution.
• Championing best practices across the technical domain (testing, monitoring, release strategy, etc) to strengthen our foundations as we build our products.
• Mentoring peers, reviewing code, and contributing to the long-term technical vision for mobile development at

Should have

• Solid background in React Native, building scalable and highly performant consumer experiences.
• Proven track record building across the mobile domain (e.g. experience with native iOS and Android).
• Experience building and maintaining mobile apps or SDKs used by a large, active, user base.
• Passionate about developer experience - clear APIs, great docs, and reliability at scale.
• Excellent communication skills and experience collaborating with product, design, and backend peers.

Nice to have

• Previous experience in payments, fintech, or other security sensitive domains.
• Exposure to PCI compliance, tokenization, or secure data handling.