Contract: Inside IR35 - £500 per day (Client-run PAYE - no umbrella required, employer's NI covered) Location: Remote/Hybrid (UK-based)
The Role We are seeking an experienced Mobile Applications Architect for an inside IR35 contract role paying up to £500 per day. The client operates their own payroll, meaning a straightforward PAYE arrangement with no umbrella company required.
This is a strategic architecture role, not a hands-on development position. We are looking for someone with a strong technical background who can confidently engage in detailed engineering discussions while leading the architectural direction across mobile platforms.
Key Responsibilities
Own and define the mobile architecture strategy across programmes and in-flight initiatives
Provide 12+ month architectural planning, ensuring alignment to wider enterprise roadmaps
Govern and assure engineering teams, ensuring delivery aligns with approved architecture
Design and document robust mobile solutions, maintaining architecture artefacts and repositories
Align mobile platforms with downstream services via REST/GraphQL APIs
Proactively manage senior stakeholders across business and technology
Technical Experience Required
Strong understanding of mobile technologies including React Native, Firebase, Instabug
Knowledge of mobile security patterns (OAuth, jailbreak/root detection, certificate pinning, threat modelling)
Experience integrating with downstream systems and API ecosystems
Exposure to Open Banking/Open Finance environments
Pensions domain knowledge (highly desirable)
Familiarity with GenAI architectures
Experience with analytics and engagement tooling such as Adobe Analytics, Braze, Tealium
Experience & Profile
Proven strategic and programme-level architecture experience
Background in engineering or technical delivery, with the ability to hold deep technical conversations
Experience ensuring governance and architectural compliance across delivery teams
Strong documentation discipline and experience maintaining architecture artefacts
