<p>Robert Half are recruiting for a <strong>Contract Mobile Application Developer</strong> for a short-term engagement focused on <strong>code review, documentation, and recommendations for performance and efficiency improvements</strong>. The application is live on both <strong>Android and iOS</strong>, and the codebase is built using <strong>Xamarin (C#)</strong> with separate platform projects and a shared core.</p><p><strong>Key Responsibilities:</strong></p><ul><li>Conduct a thorough <strong>code review</strong> of the existing Xamarin solution</li><li>Produce clear and structured <strong>technical documentation</strong></li><li>Identify opportunities for <strong>performance optimisation</strong>, <strong>codebase efficiency</strong>, and <strong>modernisation</strong></li><li>Provide actionable <strong>recommendations</strong> for future development and maintenance</li></ul><p><strong>Key Technical Requirements:</strong></p><ul><li>Strong experience with <strong>Xamarin.Forms</strong> or <strong>Xamarin Native</strong> (Android/iOS)</li><li>Proficiency in <strong>C#</strong>, <strong>.NET</strong>, and <strong>Visual Studio</strong></li><li>Familiarity with <strong>mobile architecture</strong>, <strong>dependency injection</strong>, and <strong>cross-platform patterns</strong></li><li>Understanding of <strong>app store deployment</strong> and <strong>build configurations</strong></li></ul><p><strong>Key Soft Skills:</strong></p><ul><li>Strong <strong>analytical and diagnostic</strong> skills</li><li>Clear and concise <strong>technical communication</strong></li><li>Ability to work independently and provide structured, high-value feedback in the form of a report or presentation</li></ul><p>This will initially be a short term contract with the possibility for further extensions. </p><p>If you are immediately available then please apply or send a copy your CV </p><p>Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.</p><img src="https://counter.adcourier.com/dGhhbWluYS5zYWxhbS41NTI1Mi4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">