1 to 25 of 41 Contract Mobile App Jobs in the UK

Developer 6-Month Contract Remote (Ireland) | £500650/day Inside IR25 Join a major energy infrastructure project where youll help shape and enhance a widely used customer-facing mobile app. This is a … great opportunity to apply deep mobile and frontend expertise in a high-impact, user-centric environment. As a React Native Developer, you will: Lead mobile app development using React Native, Expo, and TypeScript Tackle performance, security, and accessibility challenges across iOS and Android Integrate custom data visualisations with D3 and SVGs Collaborate with designers using … with GitHub/Azure DevOps About you: Proven experience with React, TypeScript, and modern JavaScript Strong mobile security knowledge (token storage, biometric auth, etc.) Skilled with native app debugging, accessibility testing & design implementation Experience with D3 and SVGs a plus Bonus: .NET API exposure, Azure App Insights, DevOps pipelines, JMeter More ❯

.Net MVC, Razor etc.) Experience with jQuery. Experience in Adobe Creative Suite/Cloud. Experience in wireframing/mocking tools (e.g. Balsamic, Mockflow, Moqups etc.) Experience of designing mobile applications (iOS, Android). Experience in Agile/Scrum development methodologies. Experience with Visual Studio, VS Code and Microsoft DevOps. Hays Specialist Recruitment Limited acts as an employment agency More ❯

basis. The role: The successful Android Developer will have strong experience developing Android applications, using Kotlin and Jetpack Compose. The project itself is a rewrite of their customer-facing app, and we are looking with candidates who have worked on similar projects in the past from end-to-end. The Android Developer will be coming in at a Senior …/SME level to guide the team throughout the project and to offer technical guidance, so this is essential. Responsibilities: Design and development of white-label mobile applications Help guide best practise for the set up of new Android applications Collaborate with business stakeholders to collate and understand requirements Work with development team and provide technical guidance/ More ❯

process! Android Developer Kotlin, Jetpack Compose Contract Outside IR35 I m working with a client who is embarking on a full rewrite of their customer-facing mobile app and they re looking for an Android Developer to lead the way. You ll need strong, hands-on experience with Kotlin and Jetpack Compose , and ideally, you ve already … Offering hands-on mentorship and technical direction to the wider dev team What we re looking for: Deep experience as an Android Developer with a strong grasp of Android app architecture and UI design principles Excellent Kotlin skills, including use of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience More ❯

process! Android Developer – Kotlin, Jetpack Compose | Contract | Outside IR35 I’m working with a client who is embarking on a full rewrite of their customer-facing mobile app – and they’re looking for an Android Developer to lead the way. You’ll need strong, hands-on experience with Kotlin and Jetpack Compose , and ideally, you’ve already … Offering hands-on mentorship and technical direction to the wider dev team What we’re looking for: Deep experience as an Android Developer with a strong grasp of Android app architecture and UI design principles Excellent Kotlin skills, including use of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience More ❯

in Kotlin and Java with understanding of Android framework and libraries. Experience in Android development tolls such as Android Studio, Gradle and Git. Strong understanding of mobile app architecture, design pattern and best practices. Familiar with RESTful APIs, JSON, network framework and third party library integration. Experience in handling performance optimisation, memory management and app security. … Good to have knowledge about testing frameworks. Solid understanding of mobile app development life cycle. Hand on experience on Version Control Systems & collaborative development tool. If you are interested in this position and would like to learn more, please send through your CV and we will get in touch with you as soon as possible. Please note More ❯

months Inside IR35 £215 per day Key skills & experience UI development or support experience Experience in two (or more) of the following: CSS, AJAX, ReactJS, GraphQL, AngularJS, Mobile application development Reading and debugging Java and JavaScript code (Writing JavaScripts will be beneficial) Troubleshooting experience using browser developer tools Advance knowledge of the components in cloud/web applications … and experience in Application Support. Mobile application support experience will be bonus. Scripting languages: JavaScript, Python, Perl, Unix Shell, Windows Shell) Good experience with relational databases (e.g. MySQL, Oracle). Good experience writing or debugging Object Oriented code (Java preferred, other relevant technologies ok) Experience using Linux/Unix OR Microsoft Server Demonstrated ability to understand the problem More ❯

months Inside IR35 £215 per day Key skills & experience UI development or support experience Experience in two (or more) of the following: CSS, AJAX, ReactJS, GraphQL, AngularJS, Mobile application development Reading and debugging Java and JavaScript code (Writing JavaScripts will be beneficial) Troubleshooting experience using browser developer tools Advance knowledge of the components in cloud/web applications … and experience in Application Support. Mobile application support experience will be bonus. Scripting languages: JavaScript, Python, Perl, Unix Shell, Windows Shell) Good experience with relational databases (e.g. MySQL, Oracle). Good experience writing or debugging Object Oriented code (Java preferred, other relevant technologies ok) Experience using Linux/Unix OR Microsoft Server Demonstrated ability to understand the problem More ❯

Contract (6 months) Day Rate: £360 Inside IR35(flexible depending on experience) About the Role: We are currently seeking an experienced iOS Developer to join a forward-thinking mobile development team working on … enterprise-grade applications. This is a fantastic opportunity to contribute to impactful digital experiences in a fast-paced, collaborative environment. Key Responsibilities: Design and develop engaging mobile app experiences using native iOS technologies. Build and deploy scalable, user-focused mobile applications that meet business needs. Collaborate with cross-functional teams, including UX/UI designers … experience as an iOS Developer. Strong proficiency in Swift and solid knowledge of the iOS ecosystem. Familiarity with Apples Human Interface Guidelines (HIG). Experience publishing apps to the App Store. Proficient in version control and CI/CD practices (e.g., Git, CircleCI). Strong understanding of RESTful APIs and integration with back-end services. Experience with unit and More ❯

focused on building the next-gen in the "Secure Tech" focused industry with real impact and purpose. Key responsibilities: React Native Developer (Expo) Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated More ❯

focused on building the next-gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer (Expo) – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated More ❯

Exciting Opportunity: Mobile App Developer (Lancashire, UK) Are you a talented Mobile App Developer ready to make an impact? Our client is a dynamic organisation based in Lancashire, UK, currently seeking a creative individual to join their team on a contract basis. This is your chance to work on cutting-edge mobile … contribute to innovative, cross-platform solutions. Initial 6 months 5 days a week on-site Outside IR35 £300-£400 per day ASAP Start Key Responsibilities: - Develop cross-platform mobile applications using React Native , ensuring robust and scalable solutions. - Utilise your expertise in JavaScript, Swift, or Kotlin to deliver high-quality code. - Design and build intuitive user interfaces that … Collaborate with backend teams to ensure cohesive development and system integration. - Optimise application performance to ensure responsiveness and efficiency. - Stay updated with the latest trends and developments in mobile technology. This contract role offers an incredible opportunity to work with our client's forward-thinking team and showcase your mobile development talents. If you're motivated More ❯

platforms. Defect Reporting: Accurately document issues, work closely with developers to troubleshoot, and validate fixes. Release Readiness: Support mobile application submission processes for Google Play and Apple App Store, ensuring apps meet required guidelines. Collaboration: Liaise with development, product, and business stakeholders to ensure testing aligns with project goals and timelines. What We're Looking For We … integrate into an agile delivery environment. Key Skills & Experience: Strong experience testing mobile applications on Android and Apple iOS devices. Solid understanding of native mobile app architecture and user interaction patterns. Hands-on experience with mobile device testing tools and platforms (eg, Appium, Xcode, Android Studio, BrowserStack, etc.). Proficient in creating and … maintaining test documentation, including test cases, plans, and results. Excellent communication and issue-tracking skills. Nice-to-Haves: Familiarity with the Apple App Store and Google Play submission and approval process. Experience in CI/CD pipelines for mobile apps. Background in usability and accessibility testing for mobile interfaces. ISTQB or similar certification. Ready to More ❯

Contract Mobile Software DeveloperLocation: Hybrid (Coventry + remote flexibility)Contract: 6 months | £300-£350/day (Outside IR35)We're looking for a Kotlin-first engineer who thrives across web, backend, and mobile platforms. This is a hands-on role working with a modern tech stack and 4-week release cycles on scalable, high-performance apps.Must … Have Tech Stack:• Kotlin Multiplatform (iOS, Android, Backend)• Spring Boot 3 (Kotlin only - no Java!)• Jetpack Compose• Room (mobile local data storage)You’ll Be:• Building Angular web apps• Developing backend microservices• Creating cross-platform mobile apps• Designing efficient SQL schemas• Debugging full stack issues & collaborating in agile teams Ideal Candidate:• Confident in Kotlin across all … layers• Experienced with microservices + mobile patterns• Comfortable with SQL, REST APIs• Passionate about clean, maintainable codeInterested or know someone who’d be a great fit? Let’s talk! Even if you don’t meet every requirement reach out anyway. More ❯

a highly experienced an Android Developer to join the team. We are thrilled to offer a superb opportunity for a Android Developer to join our growing Mobile App team. In this role you'll create engaging and user-friendly mobile experiences using native technologies. As we continue to grow, we are excited to welcome new … innovative & engaging digital mobile experiences to support corporate sales targets, KPI's and other business requirements, from taking an initial brief through to final implementation of the app * Code engaging user interfaces using native technologies to improve customer experience * Build and deploy mobile applications to accommodate all changes required by the business * Provide best practice … users understand * Help define the software architecture of new features for existing apps and future apps * Create effective information architecture models; defining the relationship between the mobile app navigation, device functionality and services the app integrates with, ensuring this matches customer journeys to drive agreed digital outcomes * Responsible for a full CI/CD pipeline with More ❯

to join us on a 6-month contract basis. Based in Leeds with 2 days per week in the office, you'll help us create engaging, user-friendly mobile experiences using the latest native Android technologies. Key Responsibilities: Design and code innovative digital mobile solutions aligned with business goals and KPIs. Create beautiful, intuitive user interfaces … using native Android technologies. Build, test, and deploy mobile applications to meet evolving business requirements. Maintain a full CI/CD pipeline, including both unit and UI testing, to ensure product robustness. What You Will Ideally Bring: Proven experience as an Android Developer with a strong portfolio. Proficiency in Kotlin and a solid understanding of the Android platform. … . Strong knowledge of version control (Git) , unit/UI testing (Espresso) , and CI/CD tools (CircleCI) . Experience working with RESTful APIs and integrating them into mobile apps. Passion for modern Android development, including coroutines and Jetpack Compose . Contract Details: Duration: 6 months (View for Extension) Day Rate: Up to £440 per day (Inside IR35 More ❯

Robert Half are recruiting for a Contract Mobile Application Developer for a short-term engagement focused on code review, documentation, and recommendations for performance and efficiency improvements . The application is live on both Android and iOS , and the codebase is built using Xamarin (C#) with separate platform projects and a shared core. Key Responsibilities: Conduct a thorough … with Xamarin.Forms or Xamarin Native (Android/iOS) Proficiency in C# , .NET , and Visual Studio Familiarity with mobile architecture , dependency injection , and cross-platform patterns Understanding of app store deployment and build configurations Key Soft Skills: Strong analytical and diagnostic skills Clear and concise technical communication Ability to work independently and provide structured, high-value feedback in More ❯

in Swift and Objective-C with understanding of iOS framework and libraries. Experience in iOS development tools such as Xcode, CocoaPods, and Git. Strong understanding of mobile app architecture, design pattern and best practices. Familiar with RESTful APIs, JSON, network framework and third party library integration. Experience in handling performance optimization, memory management and app security. … Good to have knowledge about testing frameworks. Solid understanding of mobile app development life cycle. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken More ❯

for a highly experienced iOS Developer to join the team. We are thrilled to offer a superb opportunity for a iOS Developer to join our growing Mobile App team. In this role you'll create engaging and user-friendly mobile experiences using native technologies. As we continue to grow, we are excited to welcome new … users understand * Help define the software architecture of new features for existing apps and future apps * Create effective information architecture models; defining the relationship between the mobile app navigation, device functionality and services the app integrates with, ensuring this matches customer journeys to drive agreed digital outcomes * Responsible for a full CI/CD pipeline with … good proficiency in Swift. * Familiarity with best practice mobile design/UX patterns (HIGS - Human Interface guidelines for iOS). * Experience of releasing a mobile app to the App Store. * Have a quality led development focus, utilizing version control, unit testing, UI testing and CI/CD. Ideally Git, Espresso, CircleCI. * Understanding of RESTful More ❯

be doing: Creative Problem Solving: Apply your imaginative thinking to design production assets, infographics, logos, and various elements that captivate users. Engaging Experiences: Design interfaces for web and mobile applications that are not only functional but exciting! Digital Design System: Contribute to scaling and refining the digital design system while advocating for accessibility standards. Storytelling Mastery: Utilize storytelling More ❯

iOS Developer - 6 months - Hybrid in Leeds - Inside IR35 We're looking for a talented iOS Developer to join our growing Mobile App Team on a 6-month contract basis. This hybrid role (2 days a week onsite in Leeds) offers the opportunity to help shape engaging and user-friendly mobile experiences using native iOS … technologies. You'll play a key role in designing, developing, and deploying high-quality mobile applications that support our commercial goals, improve customer experience, and align with wider business requirements. Key Responsibilities: Design and code innovative and engaging digital mobile experiences to support business KPIs and sales targets. Build and deploy scalable iOS applications, from initial … stakeholders to identify, specify, and document development needs. Recommend effective solutions that align with customer and business goals. Help define the software architecture for both new and existing mobile features/apps. What You Will Ideally Bring: Proven commercial experience in native iOS development (Swift and/or Objective-C). Strong knowledge of UI/UX principles More ❯

ability to work effectively in a team environment. This role will specialise in supporting network infrastructure products, with a strong focus on leveraging the Microsoft Intune platform for mobile device management (MDM). The ideal candidate will have expertise in managing platforms like Samsung Knox, Apple device management via Intune, and ChromeOS management through Google. This role also … requires a solid understanding of MDM and Mobile Application Management (MAM) solutions from third-party providers. Responsibilities Deliver 3rd-line technical support to local and remote staff, ensuring swift resolution of complex issues Provide specialised support to VIP users, ensuring high availability and exceptional service quality Participate in incident management processes, including root cause analysis and resolution of More ❯

who wants to get involved in helping shape and execute Foresters product and proposition strategy. You will be responsible for shaping and delivering a new retail consumer facing mobile application proposition for Foresters. It involves defining the apps vision, developing its core features, and managing its end-to-end delivery to ensure a compelling, customer-centric digital experience. … close collaboration with internal teams and third-party partners, translating customer needs and business objectives into functional requirements and engaging user journeys. You must have strong experience in mobile product development, particularly within financial services, and a solid understanding of regulatory frameworks such as the FCA Consumer Duty. Your day to day will include: Gathering and understanding customer … Foresters Managing stakeholders with interactions at Board Level. Work cross functionally with different teams of subject matter experts Support the shaping and end-to-end delivery of the mobile applications vision and strategy Identify special requirements/needs of vulnerable customers, recommending propositional features and supporting business practices to deliver good customer outcomes Leverage data, customer insights, market More ❯

Join our dynamic team working on a high-visibility project that directly impacts key company priorities. You will collaborate with cross-functional teams and contribute to shaping the mobile design system capabilities for the future. Work alongside a highly experienced engineering group responsible for foundational mobile technologies. What You’ll Do: Build new UI components and … with native look and feel (using PHP). Test new dialogs and lead experimentation initiatives. Collaborate closely with backend systems written in PHP/Hack, supporting mobile app development (iOS). Top Skills & Experience: 7+ years of iOS development experience. Strong PHP development skills. 7+ years working with React. Experience working in large tech or high-impact More ❯

Our client is a rapidly expanding bank based in London. They are looking for Senior Front End Developers who can help build and continuously develop brand-new mobile application. In this role, you will be leading a team, creating the front-end interface of the applications and website for the bank. You’ll work closely with other engineers … and long-term use. Day rate: £500 - £550 per day (Outside IR35) Fully remote working Experience in working with Flutter is essential Prior experience designing, building and maintaining mobile applications. Working in a collaborative project team of Engineers and Developers Confidence in troubleshooting complex system issues independently Ability to work with a high level of autonomy and responsibility More ❯