201 to 225 of 888 Mobile App Jobs in the UK

In this role, you will work closely with front-end and back-end developers, as well as product designers, to develop and enhance our mobile applications. You will use your experience to engineer mobile infrastructure that is second-to-none. Key Responsibilities: Design, build, and maintain high-performance, reusable, and reliable mobile applications for … Identify and correct bottlenecks and fix bugs to improve performance. Ensure the best possible performance, quality, and responsiveness of the application. Take ownership of the full mobile app development lifecycle, from concept to deployment. Stay up-to-date with emerging mobile development trends and best practices. Minimum Requirements: 3+ years of hands-on mobile development experience (iOS/Android or both). Proficiency in Swift and/or Kotlin. Strong understanding of mobile design principles, UI/UX, and best practices. Experience with RESTful APIs to connect mobile applications to back-end services. Familiarity with cloud message APIs and push notifications. Solid understanding of mobile security More ❯

and hands-on Ad Tech Architect to design, optimize, and scale our mobile Ad Tech stack. This role is ideal for someone with deep expertise in in-app monetization, programmatic advertising, and backend ad-serving technologies . As the technical authority on Ad Tech , you will define the architecture, ensure system scalability, and drive revenue growth by … on Ad Tech mobile integrations and backend services. Stay ahead of Ad Tech innovations , including AI-driven ad optimization, contextual targeting, and the evolving landscape of in-app advertising. Requirements 6+ years of experience in software engineering with a focus on Ad Tech architecture, programmatic advertising, and mobile monetization . Strong knowledge of mobile … optimizing mobile ad SDKs (Google Ad Manager, MoPub, AppLovin, Prebid Mobile, etc.). Deep expertise in ad mediation platforms, RTB protocols, header bidding, and in-app bidding . Proven experience designing and scaling ad-serving architectures for mobile applications. Strong understanding of real-time data processing, latency optimization, and high-throughput ad transactions More ❯

a market leading startup. They are the only company currently able to provide a full AI-driven solution to their market. They are looking for a Senior AR Mobile Developer to join their UK remote team. They are looking for someone who is passionate about AR technology, spatial computing, and precision measurement applications. Key Responsibilities: Develop, test, and … ARCore and related technologies. Troubleshoot, debug, and optimise applications to ensure performance and reliability. Write clean, scalable, and efficient code following industry best practices. Build responsive and performant mobile applications. Key Qualifications: - 10+ years of professional programming experience - Specialises in iOS development, with deep expertise in ARKit & LiDAR - Strong Android ARCore experience - Background in game development, bringing a … deep understanding of 2D/3D environments and interactive AR experiences - Polyglot multi-platform mobile software engineer, experienced in building iOS apps, Android apps, and multi-platform AR applications. ALL APPLICANTS MUST BE FREE TO WORK IN THE UK Exposed Solutions is acting as an employment agency to this client. Please note that no terminology in this advert More ❯

talented and passionate Flutter Engineer to join our founding team. In this equity-based role , you will work closely with the founders to build, refine, and scale our mobile application. As an early-stage startup, your contribution will directly impact the future of the company and its product. This is a great opportunity for someone who is excited … and refine features, ensuring that they align with our vision. Build reusable code and libraries to streamline the development process and improve application performance. Troubleshoot, debug, and optimize the app for performance, scalability, and user experience. Stay up-to-date with the latest Flutter developments and trends, bringing new ideas and solutions to the team. Assist in shaping the … technical architecture of the app and contribute to the overall tech stack decisions. Take on additional technical and operational responsibilities as needed in the early startup phase. Requirements Proven experience developing mobile applications with Flutter (2+ years of experience preferred). Proven experience in Backend,AWS,Lambda and GO Strong proficiency in Dart, and experience with RESTful More ❯

We are continuing our very exciting growth journey and are looking for a Mobile App Developer to join our team! This role will suit a talented iOS App Developer with experience using Swift. We are expanding our current capabilities to make use of the latest features available in iOS16 and the latest iPadOS. Join us as … we move from a Xamarin Native (with iOS bindings) mobile application to a Swift Native platform. About the role: We are looking for an individual who is passionate about seeing the impact of their work. We have a team culture that is committed to effective communication, respect, values and supporting each other to meet individual and common goals. … solve! This is an amazing opportunity for an individual who would thrive in an environment where they will be a key contributor to our journey with Mobile App development. This role provides a lot of scope to make a positive and highly visible impact. You'll be working closely with the team to deliver product and customer More ❯

obtaining government security clearance may be necessary. Highly Desirable Skills: Relevant experience in software development, professional services, or enterprise architecture with heavy focus and background in mobile app development. Fluent in English, written and spoken is a must; Spanish or additional languages are nice to have. Knowledge in web-based systems architecture (HTML 5), service-based architecture … enterprise application architecture. Working knowledge of web service technologies (Web APIs, REST, SOAP, WCF, JSON, XML). Previous mobile app development experience (Android or iOS or Cross Platform) is desired. Familiarity with industry standard tools used for development and debugging: Web Proxy - Postman, Fiddler; Mobile App - Android Studio, XCode, or other IDEs. Excellent proven More ❯

that let us iterate quickly. Using data to dig into user journeys, detecting problems and helping to optimise the Cleo experience. Being part of the rota for our weekly app releases to the Apple and Google app stores. Getting involved in cross-cutting concerns that lift our entire engineering effort with the rest of the frontend chapter. Taking … for our mobile apps, we'd either like to see some proven experience in this area or a genuine passion for moving into the mobile app space. What Do You Get For All Your Hard Work? A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles. You More ❯

technology with a deep commitment to customer experience. As they continue scaling their mobile offerings, they are investing in strengthening their native Android capabilities to significantly enhance app performance and usability. The Opportunity This role sits within the Mobile Platform team, which is responsible for the technical foundations of the app—covering architecture, shared … in native development, this team is crucial to improving performance, refining UX, and shaping the future of mobile at the organisation. Currently built using React Native, the app increasingly incorporates native elements (Swift/Kotlin) to unlock better performance and user experience. The incoming Android + iOS Engineers will be instrumental in driving this evolution forward. Key … Engineering Manager and other Native Mobile Engineers within the Mobile Platform team Work closely with other to establish best practices for integrating native code Improve app robustness and performance through identification and resolution of technical bottlenecks Build new features using native Android tools in partnership with design, backend, and product teams Drive technical excellence, with More ❯

technology with a deep commitment to customer experience. As they continue scaling their mobile offerings, they are investing in strengthening their native Android capabilities to significantly enhance app performance and usability. The Opportunity This role sits within the Mobile Platform team, which is responsible for the technical foundations of the app—covering architecture, shared … in native development, this team is crucial to improving performance, refining UX, and shaping the future of mobile at the organisation. Currently built using React Native, the app increasingly incorporates native elements (Swift/Kotlin) to unlock better performance and user experience. The incoming Android + iOS Engineers will be instrumental in driving this evolution forward. Key … Engineering Manager and other Native Mobile Engineers within the Mobile Platform team Work closely with other to establish best practices for integrating native code Improve app robustness and performance through identification and resolution of technical bottlenecks Build new features using native Android tools in partnership with design, backend, and product teams Drive technical excellence, with More ❯

technology with a deep commitment to customer experience. As they continue scaling their mobile offerings, they are investing in strengthening their native Android capabilities to significantly enhance app performance and usability. The Opportunity This role sits within the Mobile Platform team, which is responsible for the technical foundations of the app—covering architecture, shared … in native development, this team is crucial to improving performance, refining UX, and shaping the future of mobile at the organisation. Currently built using React Native, the app increasingly incorporates native elements (Swift/Kotlin) to unlock better performance and user experience. The incoming Android + iOS Engineers will be instrumental in driving this evolution forward. Key … Engineering Manager and other Native Mobile Engineers within the Mobile Platform team Work closely with other to establish best practices for integrating native code Improve app robustness and performance through identification and resolution of technical bottlenecks Build new features using native Android tools in partnership with design, backend, and product teams Drive technical excellence, with More ❯

driving force for technical advancement of BEAUTY BAY’s front & back end systems & responsible for the day to day running, enhancement & maintenance of the BEAUTY BAY website & the mobile application. Our Mid-Weight Software Developer remit covers working on any potential new functionality alongside bug fixes & general upkeep. You’ll be required to work seamlessly in a … team, contribute to technical sessions & be able to communicate technical concepts in non-technical language understood by the business. The scope of the role is not exclusive to the app & website, they are responsible for a number of custom back office pieces of software and 3rd party API integrations that enable the rest of the business to operate. This More ❯

React Native Developer Are you looking to own the mobile experience of a SaaS platform solving real-world operational challenges? This is your opportunity to join a growing tech scale-up building smart tools for complex industries. As a React Native Developer, you will lead the development of intuitive mobile apps that empower users to manage … high-value operations efficiently. From system design to deployment, your work will have direct impact on planning, coordination and execution at scale. You will primarily focus on the mobile front end using React Native and Expo, but this is not a siloed role. You will also contribute across the stack, collaborating on REST API design, integrating backend systems … using Node.js, and ensuring the delivery of seamless user experiences powered by robust data services. What is on offer: • Autonomy to shape the mobile architecture of a growing SaaS product • The opportunity to solve meaningful, real-world problems with clear user value • A collaborative team of experienced developers and architects • A focus on engineering quality, learning and scalable More ❯

React Native Developer Are you looking to own the mobile experience of a SaaS platform solving real-world operational challenges? This is your opportunity to join a growing tech scale-up building smart tools for complex industries. As a React Native Developer, you will lead the development of intuitive mobile apps that empower users to manage … high-value operations efficiently. From system design to deployment, your work will have direct impact on planning, coordination and execution at scale. You will primarily focus on the mobile front end using React Native and Expo, but this is not a siloed role. You will also contribute across the stack, collaborating on REST API design, integrating backend systems … using Node.js, and ensuring the delivery of seamless user experiences powered by robust data services. What is on offer: • Autonomy to shape the mobile architecture of a growing SaaS product • The opportunity to solve meaningful, real-world problems with clear user value • A collaborative team of experienced developers and architects • A focus on engineering quality, learning and scalable More ❯

services, and digital transformation? Our client is at the forefront of innovation, addressing opportunities in cloud, digital, and platforms. Role purpose/summary UI Development for Web and Mobile applications using technologies such as React JS, React Native, ES6, Responsive grid framework, HTML, JavaScript, CSS, jQuery, Lodash, Application servers (Tomcat, Apache, NGINX), Version Control Software (SVN, CVS, Git More ❯

across the full development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on front end mobile application development, data visualisation and charts using React Native, TypeScript, React.js, Redux and Expo. Location: You'll join a team of finance entrepreneurs and technologists in City based offices … with smart dress code on a fulltime basis. About you: You have mobile application development experience using React Native You also have experience with React.js, Redux and TypeScript You have a strong appreciation for good UI/UX design You're keen to explore and use AI tools such as copilot You're comfortable taking ownership and building More ❯

across the full development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on front end mobile application development, data visualisation and charts using React Native, TypeScript, React.js, Redux and Expo. Location: You'll join a team of finance entrepreneurs and technologists in City based offices … with smart dress code on a fulltime basis. About you: You have mobile application development experience using React Native You also have experience with React.js, Redux and TypeScript You have a strong appreciation for good UI/UX design You're keen to explore and use AI tools such as copilot You're comfortable taking ownership and building More ❯

across the full development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on front end mobile application development, data visualisation and charts using React Native, TypeScript, React.js, Redux and Expo. Location: You'll join a team of finance entrepreneurs and technologists in City based offices … with smart dress code on a fulltime basis. About you: You have mobile application development experience using React Native You also have experience with React.js, Redux and TypeScript You have a strong appreciation for good UI/UX design You're keen to explore and use AI tools such as copilot You're comfortable taking ownership and building More ❯

expertise with C# Hands-on experience in testing RESTful web services Experience working with cloud platforms, particularly AWS Solid understanding of CI/CD pipelines and related tooling Mobile application experience (automated testing experience with reactive native or native) ⭐ Nice to Have: Test automation experience with Python React native mobile automation experience How to apply: To More ❯

expertise with C# Hands-on experience in testing RESTful web services Experience working with cloud platforms, particularly AWS Solid understanding of CI/CD pipelines and related tooling Mobile application experience (automated testing experience with reactive native or native) ⭐ Nice to Have: Test automation experience with Python React native mobile automation experience How to apply: To More ❯

expertise with C# Hands-on experience in testing RESTful web services Experience working with cloud platforms, particularly AWS Solid understanding of CI/CD pipelines and related tooling Mobile application experience (automated testing experience with reactive native or native) ⭐ Nice to Have: Test automation experience with Python React native mobile automation experience How to apply: To More ❯

In this role, you will shape the future of software ecosystems by participating in global standards bodies, promoting open source technologies, and driving the development of next-generation mobile and intelligent applications. You will work at the forefront of innovation across programming languages , mobile operating systems , AI algorithms , web technologies , intelligent car connectivity , and open source … ecosystems . Key Responsibilities Represent our company in international standards organizations (e.g., ECMA , W3C , OCX ), focusing on mobile OS, open source, and emerging software technologies. Contribute to the evolution of software standards and technologies (e.g., ArkTS , Atomic Services , HarmonyOS Native Apps and Kits , Open Source Enablers ). Analyze and report on new software technologies, regulatory developments, and policy … team. What We’re Looking For Education: Master's degree or PhD in Computer Science , Software Engineering , or a related field. Technical Expertise: Strong understanding of programming languages , mobile application development (Android/iOS/HarmonyOS), and the software development lifecycle . Familiarity with software core technologies such as operating systems, middleware, and AI frameworks. Open Source/ More ❯

Job ID: Evi Technologies Limited The Ring team is looking for a passionate and talented iOS Developer who has experience building world-class mobile apps. You will be responsible for developing mobile applications that interact seamlessly with our devices and delight our customers. You will join the team that supports and develops the technology for our … building solutions and supporting new products that help Ring on their mission to connect people to what's important. Key job responsibilities Design, develop and maintain our iOS mobile applications Work with team members to investigate design approaches, prototype technology and evaluate technical feasibility Lead architecture and design of features, from conception to launch Help to improve engineering … security devices. About the team Focused on video and audio streaming, our team is always looking to learn and innovate. We frequently collaborate with cloud, firmware and other mobile teams to solve problems, come up with solutions and delight our customers. We are data driven, value and promote ownership and work backwards from our customers to bring them More ❯

and Confluence. Testing and Quality Assurance: Experience with testing frameworks and supporting testing activities. Technical Leadership and Delivery: Ability to lead teams through technology migrations and strategic oversight. Mobile and Distributed Teams: Experience developing mobile applications and working with offshore/hybrid teams. Communication and Decision-Making: Excellent skills in translating technical concepts and pragmatic problem More ❯

two of the busiest websites in the UK, driving a significant proportion of our sales. Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from E-Commerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve More ❯

been downloaded over 250 million times with our built-in private search engine, which has delivered over 100 billion searches and is the 2nd largest search engine on mobile in the United States and 17 other countries, including the United Kingdom, Canada, Australia, Germany, Poland, and Spain. Our private search engine is also 3rd in market share in … 5+ years), with experience working on at least two large native iOS applications. Experience programming in Swift. Deep understanding of software design patterns such as MVVM, MVP, etc., mobile threading, and memory management and how they apply to mobile applications. A fundamental understanding of complex data structures and algorithms, which enables you to develop and apply More ❯