Mobile Technical Architect (London)

Job Description

Mobile Technical Architect (React + TypeScript)

Location: Hybrid / Onsite – London

Employment Type: Contract / Inside IR35

Rate - £650+

We’re hiring an experienced and hands-on Mobile Technical Architect to help lead the design, development, and integration of a high-impact mobile application in the FinTech space.

This is a key role in defining the architecture and technical strategy for a cross-platform solution using React , TypeScript , and Java-based microservices. You'll be guiding the mobile stack while ensuring robust performance, scalability, and secure integration with third-party APIs.

Key Responsibilities

• Architect and develop cross-platform mobile applications using React and TypeScript
• Integrate backend services via Java (Spring Boot, Apollo GraphQL)
• Define architecture standards, CI/CD pipelines, and security best practices
• Lead code reviews, mentor developers, and uphold clean code standards

What You’ll Bring

• 10+ years in mobile development, including 3+ years with React
• Deep understanding of mobile architecture (MVVM, modular design, etc.)
• Strong experience with TypeScript, bridging (Swift/Kotlin), and RESTful APIs
• Backend integration experience with Java (Spring Boot)
• Familiarity with Redux, Zustand, or Recoil for state management

Please apply for more information