Mobile Applications Architect

Mobile Applications Architect

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

• 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

• 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
• Excellent written and verbal communication skills
• Proactive, confident stakeholder management