551 to 575 of 689 Mobile App Jobs in England

interface. Your challenge is to build the “magic”: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. A strong understanding of Android UI performance optimization, memory management, and threading models. Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications Advanced UI/UX & Conversational AI Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. Relevant Technical Experience Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

interface. Your challenge is to build the magic: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and threading models. ? Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications ? Advanced UI/UX & Conversational AI ? Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). ? A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. ? Relevant Technical Experience ? Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. ? Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

interface. Your challenge is to build the “magic”: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. A strong understanding of Android UI performance optimization, memory management, and threading models. Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications Advanced UI/UX & Conversational AI Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. Relevant Technical Experience Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

interface. Your challenge is to build the “magic”: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. A strong understanding of Android UI performance optimization, memory management, and threading models. Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications Advanced UI/UX & Conversational AI Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. Relevant Technical Experience Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

interface. Your challenge is to build the “magic”: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. A strong understanding of Android UI performance optimization, memory management, and threading models. Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications Advanced UI/UX & Conversational AI Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. Relevant Technical Experience Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

interface. Your challenge is to build the magic: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (eg, Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and threading models. ? Experience with the full mobile development life cycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications ? Advanced UI/UX & Conversational AI ? Prior experience designing or building conversational interfaces (eg, chatbots … voice assistants). ? A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. ? Relevant Technical Experience ? Familiarity with Android's native call-handling APIs (eg, CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. ? Experience with performance testing and profiling Android applications to hunt down and eliminate More ❯

has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls , device-integrated safeguarding software , and AI-powered … decisions for the core Voop platform. Feature development across Voop for Care , Voop for Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to … early stage company with strong market traction, backing and momentum to go big. Key Responsibilities Develop and maintain Voop’s full stack platform , including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono More ❯

has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls , device-integrated safeguarding software , and AI-powered … decisions for the core Voop platform. Feature development across Voop for Care , Voop for Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to … early stage company with strong market traction, backing and momentum to go big. Key Responsibilities Develop and maintain Voop’s full stack platform , including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono More ❯

has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls , device-integrated safeguarding software , and AI-powered … decisions for the core Voop platform. Feature development across Voop for Care , Voop for Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to … early stage company with strong market traction, backing and momentum to go big. Key Responsibilities Develop and maintain Voop’s full stack platform , including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono More ❯

has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls , device-integrated safeguarding software , and AI-powered … decisions for the core Voop platform. Feature development across Voop for Care , Voop for Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to … early stage company with strong market traction, backing and momentum to go big. Key Responsibilities Develop and maintain Voop’s full stack platform , including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono More ❯

has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls , device-integrated safeguarding software , and AI-powered … decisions for the core Voop platform. Feature development across Voop for Care , Voop for Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to … early stage company with strong market traction, backing and momentum to go big. Key Responsibilities Develop and maintain Voop’s full stack platform , including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono More ❯

two of the busiest websites in the UK, driving a significant proportion of our sales. Our engineering practice includes 80+ teams, working on everything from Cloud platforms to mobile apps, from ecommerce functionality to machine learning. Have a quick glance of our Engineering best practices, see our engineers talk about their experience and opportunities to learn and grow … will be embedded into a software engineering product team composed typically of a Delivery Lead and a mixture of iOS and Android Engineers, and Analyst(s) delivering our mobile apps. As well as creating and executing some of the teams checks, your role in the team will be to mentor others in testing practice; coach them to adopt … skills/experience youll need For this role we are looking for a hands-on Senior Quality Engineer who has extensive knowledge, skills and experience of delivering native mobile apps for iOS and/or Android devices. Knowledge of architectural patterns used to build mobile applications. Practical experience of Continuous Integration/Continuous Delivery of native More ❯

two of the busiest websites in the UK, driving a significant proportion of our sales. Our engineering practice includes 80+ teams, working on everything from Cloud platforms to mobile apps, from ecommerce functionality to machine learning. Have a quick glance of our Engineering best practices, see our engineers talk about their experience and opportunities to learn and grow … will be embedded into a software engineering product team composed typically of a Delivery Lead and a mixture of iOS and Android Engineers, and Analyst(s) delivering our mobile apps. As well as creating and executing some of the teams checks, your role in the team will be to mentor others in testing practice; coach them to adopt … skills/experience youll need For this role we are looking for a hands-on Senior Quality Engineer who has extensive knowledge, skills and experience of delivering native mobile apps for iOS and/or Android devices. Knowledge of architectural patterns used to build mobile applications. Practical experience of Continuous Integration/Continuous Delivery of native More ❯

.NET Developer, .NET 9, C# - Digital Download Site - Witney (Tech stack: .NET Developer, .NET 9, C#, Winforms, WPF, iOS, Android, Mobile, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile … brings delight to their users. .NET Developer should be experienced in: .NET, C#, Winforms or WPF and Azure SQL. We are keen to hear from candidates with any mobile development experience (iOS or Android). You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and More ❯

days per week onsite Remuneration: Up to £650 per day Contract Details: Temporary, Full-Time (9 months) Responsibilities: Design and implement robust automation frameworks for web and mobile applications. Integrate automated tests into CI/CD pipelines to support continuous delivery. Lead training activities for the Automation Mastery development of the QA team. Collaborate with cross-functional teams … and defect prevention strategies. About You: Bachelor's or master's degree in Computer Science, Software Engineering, or a related field. Experience in test automation across web and mobile platforms. Strong programming skills in Java and JavaScript. Expertise in automation tools: Selenium, WebdriverIO, Appium, Cypress. Solid understanding of SDLC, STLC, and Agile methodologies. Proven ability to mentor and … join a team that thrives on quality and innovation, we want to hear from you! Apply now to be a part of our exciting journey in transforming the mobile industry More ❯

We're looking for a Web Developer to join our IT department and play a pivotal role in delivering high-quality web and mobile applications that support our business goals and values. About Us We are a well-established company with a strong reputation for excellence and a culture rooted in family values. Continuous investment in our products … commitment to delivering outstanding service to our customers and colleagues alike. The Role As a Web Developer, you will: Develop, and maintain both internal and external web and mobile applications. Redevelop legacy systems and create bespoke digital solutions. Participate in the full software development lifecycle - from requirements gathering to development, deployment and maintenance. Ensure code quality through clean More ❯

client is looking for an experienced QA to join the existing team on an initial 6month contract. We are looking for a skilled Quality Analyst to join our Mobile Team, ensuring high-quality iOS and Android mobile applications through robust testing strategies. The ideal candidate will have strong functional testing experience, be proficient in the latest … and regression and exploratory testing while proactively identifying areas for improvement in the testing process, tools, and methodologies. Required Skills: Minimum 3, ideally 5+ years of experience in mobile application testing Strong understanding of iOS and Android applications Experience in manual testing and an understanding of test automation concepts. Knowledge of mobile debugging tools (e.g., Charles … Proxy, Android Studio, Xcode) Knowledge on automation tools and techniques Knowledge of Accessibility testing for mobile applications Experience in working with API's and backend validations (Postman, REST Assured) Experience with Cloud tools such as AWS S3, CloudWatch and Browser Stack. Knowledge of Agile/Scrum Methodologies Excellent Problem-solving skills and attention to detail Strong Communication and More ❯

to the code and mentoring others through hands-on leadership. What you'll be doing: Build & Optimise : Develop high-performance APIs and responsive web apps using modern frameworks. Mobile Integration : Help bring key features to life in mobile apps (React Native). Collaborate Across Teams : Work closely with product, UX/UI, and backend engineers to More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

sense of momentum, the business is investing heavily in innovation, people, and cutting-edge tech. You'll be at the heart of developing next-generation solutions that span mobile applications and web-based platforms - all designed to transform how industries operate. Whether you're building sleek mobile interfaces or architecting scalable cloud systems, your work will … Vue.js Deep knowledge of Object-Oriented Programming Bonus Skills That'll Make You Stand Out: Experience with Test Driven Development Familiarity with nServiceBus or other message queue technologies Mobile development using Cordova , Xamarin , or MAUI Understanding of Domain Driven Design Excellent communication skills in written and spoken English What's In It for You? This isn't just More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯