Senior Mobile Engineer — Scale & Impact (Hybrid)

Checkout.com; Greater London; Hybrid; GBP 85,000 - 130,000; Full time

Job summary

Checkout.com is seeking a Senior Mobile Engineer to design and build high-performance mobile experiences used by millions of users. You will work with engineering and product leaders to shape architecture, drive technical discovery, and lay foundations for scalable consumer features.

You will own features end-to-end, partner with backend teams, and promote best practices across testing, monitoring, and release processes while mentoring teammates.

Qualifications

• Solid background in mobile technologies (native iOS/Android or React Native).
• Proven track record building scalable, performant mobile experiences.
• Experience building and maintaining mobile apps or SDKs for large user bases.
• Passionate about developer experience with clear APIs, docs, and reliability at scale.
• Excellent communication and collaboration with product, design, and backend teams.

Responsibilities

• Architect and build mobile experiences used by millions of consumers worldwide.
• Own feature development end-to-end from discovery through to maintenance.
• Collaborate closely with backend teams to align infrastructure with mobile product evolution.
• Champion best practices in testing, monitoring, and release strategy.
• Mentor peers, review code, and contribute to the long-term mobile tech vision.

Skills

Mobile technologies

End-to-end ownership

APIs & docs

Developer experience

Cross-functional collaboration

Job description

Checkout.com is seeking a Senior Mobile Engineer to design and build high-performance mobile experiences used by millions of users. You will work with engineering and product leaders to shape architecture, drive technical discovery, and lay foundations for scalable consumer features.

You will own features end-to-end, partner with backend teams, and promote best practices across testing, monitoring, and release processes while mentoring teammates.