Head of Mobile Engineering & Architecture - React & AWS in City of London

Overview: Really excited to be sharing this outstanding opportunity, we’ve partnered with a leading UK FS/FinTech client, trusted by millions of users, who are building a next-generation digital platform used by millions of customers. They are mobilising a team to help shape and deliver this transformation programme where you will play an absolutely critical role. You will be working closely with the Head of Engineering to shape modern Mobile and Web technology that will transform how people invest and manage their finances. There won’t be any line management involved in this role but you will be engaging with stakeholders across the organisation from product, engineering to senior business stakeholders. We’re open to sector background, but it is essential you have significant Mobile Architecture and Technology experience, using React / React Native and AWS.

You’ll play a key role in delivering a holistic and consistent client experience across a range of products and services, in both web and mobile domains. It’s an opportunity to design, architect and build modern web and mobile applications using the latest technologies and best practices to transform our savings and investment platform.

Responsibilities

• Set technical direction: Define & maintain Mobile and Front end/Web software architecture and patterns, engineering standards and the 'right way' to build greenfield, state of the art web and mobile applications.
• Own a technical 'opinionated' architecture for front end and mobile applications: shape application designs, rail guards and make trade-offs and prevent regret spend.
• Define scalable and reusable UI component-based architecture, state management, routing/navigation, error handling, data fetching and modularization strategy.
• Design, publish and own engineering standards including coding standards, CI/CD strategy, deployment blueprint, testing automation strategy, observability design and security baseline.
• Tackle high-impact problems: performance bottlenecks, reliability issues, scaling limits, complex integration, tech debt hotspots.
• Lead through influence: Align stakeholders, run design reviews, drive decisions, own technical governance and unblock delivery teams.

Skills, knowledge and experience:

• Extensive Mobile software engineering and significant experience of architecture.
• Deep understanding of Front End / Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others.
• Advanced knowledge of React and React Native ecosystem and AWS technology stack.
• Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns.
• Well versed in latest CI/CD practices and tools, deployment methodologies and experienced in tools to enforce quality standards.
• Expertise in complex state management and understanding the nuances between DOM based and Native based styling/layouts.
• Strong communication and articulation skills, capable of independently navigating an organization and able to negotiate and lead discussions across various levels and departments to develop consensus.

Please get in touch if you’d like to find out more about this, there is a lot of flexibility regarding the time on site and potential day rate. Whilst it’s a 6 - 12 month initial contract, the team are mobilising now and the project is scoped until end of 2027 - mid 2028.

Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.