776 to 800 of 959 Permanent Mobile App Jobs

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

and design specifications, execute test cases, and analyze and report test results to the teams. Focus on building efficient solutions for web applications, services/APIs, databases, and mobile testing requirements. Actively participate in functional, system, and regression testing activities. Contribute to the identification, creation, execution, and automation of test scenarios with a quality-first mindset. Serve as … C#, Java, or other relevant languages. Experience in designing and developing automated tests, with knowledge of testing across various application layers, including user interface, service, data layers, and mobile applications. Ability to advise the team on identifying automatable test cases across different layers, with a collaborative approach to working with developers to create automation and performance-friendly code. More ❯

of engineers, to develop industry leading products. This includes high level product design input. Lead the design and development to various software components within the product portfolio - cloud, mobile, embedded or AI. Developing high-quality, well-documented, tested code, and contributing to development reviews to maintain standards and release processes across the team. Evaluation and recommendation of development … data science discipline is preferred (or equivalent experience) A minimum of 5 years industry experience is preferred, including practical experience of developing highly complex software systems combining IoT, Mobile Application and Cloud Applications. You are a polyglot software engineer, you don’t care about language, you just get things done using the right tools as and when required. More ❯

of engineers, to develop industry leading products. This includes high level product design input. Lead the design and development to various software components within the product portfolio - cloud, mobile, embedded or AI. Developing high-quality, well-documented, tested code, and contributing to development reviews to maintain standards and release processes across the team. Evaluation and recommendation of development … data science discipline is preferred (or equivalent experience) A minimum of 5 years industry experience is preferred, including practical experience of developing highly complex software systems combining IoT, Mobile Application and Cloud Applications. You are a polyglot software engineer, you don’t care about language, you just get things done using the right tools as and when required. More ❯

of engineers, to develop industry leading products. This includes high level product design input. Lead the design and development to various software components within the product portfolio - cloud, mobile, embedded or AI. Developing high-quality, well-documented, tested code, and contributing to development reviews to maintain standards and release processes across the team. Evaluation and recommendation of development … data science discipline is preferred (or equivalent experience) A minimum of 5 years industry experience is preferred, including practical experience of developing highly complex software systems combining IoT, Mobile Application and Cloud Applications. You are a polyglot software engineer, you don’t care about language, you just get things done using the right tools as and when required. More ❯

engineers work in 'super teams' which are focused on key areas of our platform as well as other innovative products. This also includes server-side, client-side and mobile engineers working closely with UX experts, copywriters and designers. Teams are empowered to choose a way of working that works for them, often opting for a Kanban-like approach. … side, we mainly use Python. Most of our websites are powered by Django and GraphQL (Graphene). Client-side, we use React, Next.js, Typescript, htmx and SASS; our mobile apps are built using native code or React Native. We use AWS heavily as part of a continuous deployment pipeline. See, for example, Django, ELB health checks and continuous More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

per day Location: London (Light hybrid) We’re looking for a seasoned Full Stack React Native Engineer with a proven track record of building and scaling high-quality mobile applications end-to-end. You’ll be joining a fast-paced product team … delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth … What you bring 5+ years of professional software development experience 3+ years hands-on React Native and Expo experience Strong understanding of the mobile development lifecycle and app deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application More ❯

per day Location: London (Light hybrid) We’re looking for a seasoned Full Stack React Native Engineer with a proven track record of building and scaling high-quality mobile applications end-to-end. You’ll be joining a fast-paced product team … delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth … What you bring 5+ years of professional software development experience 3+ years hands-on React Native and Expo experience Strong understanding of the mobile development lifecycle and app deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application More ❯

per day Location: London (Light hybrid) We’re looking for a seasoned Full Stack React Native Engineer with a proven track record of building and scaling high-quality mobile applications end-to-end. You’ll be joining a fast-paced product team … delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth … What you bring 5+ years of professional software development experience 3+ years hands-on React Native and Expo experience Strong understanding of the mobile development lifecycle and app deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application More ❯

com or call TCS London Office number 02031552100 with the subject line: Application Support Request . Role: Software Engineer - Mobile Job Type: Permanent Location: London/Edinburgh (Hybrid) Number of hours: 40 hours per week full time Are you looking for an exciting opportunity within Software Engineering? We have an exciting role for you Software Engineer- Mobile … means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Gain access to endless learning opportunities. As a Software Engineer-Mobile , you will be responsible for advanced Power Systems Application for Transmission software development and successful delivery of assigned functions to meet corporate project/product commitments. Responsible for advanced … Power Systems Application for Transmission software development and successful delivery of assigned functions to meet corporate project/product commitments. Mobile Server Oracle database and Mobile schema deployment xSSL configuration between the Mobile suite component Good experience in developing with Mobile application development (preferably Yambay). Good experience working on Oracle database More ❯

com or call TCS London Office number 02031552100 with the subject line: Application Support Request. Role: Software Engineer - Mobile Job Type: Permanent Location: London/Edinburgh (Hybrid) Number of hours: 40 hours per week full time Are you looking for an exciting opportunity within Software Engineering? We have an exciting role for you Software Engineer- Mobile … means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Gain access to endless learning opportunities. As a Software Engineer-Mobile , you will be responsible for advanced Power Systems Application for Transmission software development and successful delivery of assigned functions to meet corporate project/product commitments. Responsible for advanced … Power Systems Application for Transmission software development and successful delivery of assigned functions to meet corporate project/product commitments. Mobile Server Oracle database and Mobile schema deployment xSSL configuration between the Mobile suite component Good experience in developing with Mobile application development (preferably Yambay). Good experience working on Oracle database More ❯

organisation in the tech-for-good technology sector is seeking an experienced iOS Developer to conduct a detailed review and refactor of an existing mobile application. The app plays a critical role in real-time safety monitoring and alerting, and the team is looking for an expert to validate the current implementation, identify optimisation opportunities, and advise … background functionality, location services, and notification handling within iOS’s evolving constraints. Context and Technical Challenges: Due to Apple’s strict background activity limitations, the iOS version of the app faces inherent challenges in maintaining continuous functionality when running in the background. These constraints impact access to key features such as the accelerometer (for shake detection), live location tracking … effectiveness, and recommend potential improvements or alternative approaches to ensure reliability, security, and compliance. Key Responsibilities: Conduct a comprehensive review of the current Swift/Objective-C codebase and app architecture. Evaluate existing workarounds for iOS background activity limitations and identify sustainable solutions. Analyse and document technical issues, inefficiencies, and potential security or privacy vulnerabilities. Refactor and optimise the More ❯