Android Developer

Senior Android Engineer (Mobile Security & Platform)

Contract: Initial 6-month contract (rolling)

Rate: £450 – £500 per day

Location: Manchester (Hybrid: 2 days on-site per week)

Start Date: Immediate

IR35 Status: Inside IR35

Eligibility: Must be authorised to work in the UK

A leading Consulting partner of ours is working alongside a national retail bank. They are currently seeking an experienced Senior Android Engineer to join their central Mobile Security team. In this role, you will play a central part in securing the mobile channel across tier-one banking applications, enabling engineering teams to deliver features at scale with confidence.

The Role

You will design, architect, and deliver robust mobile security components, SDKs, and underlying services integrated into apps used by millions of customers. Working alongside platform strategists and product teams, you will tackle an evolving threat landscape by implementing advanced application protection, obfuscation mechanisms, and performance-tuned services.

Key Responsibilities:

• Architect, develop, and maintain reusable mobile security components and core platform services.
• Collaborate closely with mobile strategy teams to design, architect, and implement resilient solutions.
• Support and consult with cross-functional mobile engineering teams on best security practices, penetration testing remediation, and platform posture.
• Ensure all platform components operate with optimal performance, thread safety, and clean separation of concerns.

Key Requirements & Skills

• Core Android & Modern Tech Stack: Extensive experience in Android development with strong expertise in Kotlin and Java.
• Modern UI & Architecture: Hands-on commercial delivery using Jetpack Compose, MVVM/MVI patterns, and Android Jetpack/Architecture Components.
• Architecture & Standards: Strong grounding in SOLID design principles and building within large, modularised codebases.
• Platform Fundamentals: Deep understanding of the Android SDK, threading/concurrency, offline storage, and performance benchmarking/tuning.
• Ecosystem & Tooling: Broad knowledge of open-source Android libraries, Google interface guidelines, and Git.
• Quality & Testing: Strong dedication to automated testing, including robust UI testing frameworks.
• Desirable Domain Experience: Background in mobile security, app obfuscation, penetration test remediation, or enterprise financial services is highly advantageous.

If you are interested, please apply now! Or alternatively, send your CV to [email protected]