Senior Mobile Architect & Tech Lead (Android/iOS)

Collinson; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Collinson is seeking a Mobile Squad Lead Engineer to guide a 5–7 person mobile squad. You will write code daily and set the standard for mobile engineering across Android and iOS, collaborating with product and UX to ship mobile-first features.

You will refine technical requirements, make platform decisions, and mentor engineers while delivering scalable, well-architected mobile applications that connect to backend services and cloud platforms.

Qualifications

• 7+ years of professional software engineering experience, with a strong focus on mobile application development.
• Experience building native Android and native iOS apps with modern architectures.

Responsibilities

• Lead the design and development of native Android and iOS applications.
• Provide technical leadership to the squad on mobile architecture and best practices.
• Remain hands-on, writing and reviewing mobile code to ensure high-quality apps.
• Collaborate with backend engineers to design APIs supporting mobile experiences.
• Mentor engineers to foster ownership and technical excellence.
• Own mobile build, release, and deployment processes including CI/CD and app store submissions.

Skills

Native Android

Native iOS

Lead Engineer

AI-assisted development

REST/GraphQL

CI/CD pipelines

Testing & quality

Observability

Git/Jira/Confluence

Tools

Mobile frameworks

Job description

Collinson is seeking a Mobile Squad Lead Engineer to guide a 5–7 person mobile squad. You will write code daily and set the standard for mobile engineering across Android and iOS, collaborating with product and UX to ship mobile-first features.

You will refine technical requirements, make platform decisions, and mentor engineers while delivering scalable, well-architected mobile applications that connect to backend services and cloud platforms.