1 to 25 of 142 Mobile App Jobs in the South East

a week in London Salary: £60,000 - £70,000 We are seeking a Senior React Native Developer to join our team and lead the development of high-quality mobile applications. You will work closely with the team lead, product manager, designer, and other developers to build performant, scalable, and user-friendly apps for iOS and Android platforms. As … ll also need to be capable of complex requirements analysis capture and validation against and with business and platform requirements. Must Have: 5+ years of professional experience in mobile development. 3+ years of experience building apps with React Native. Strong proficiency in JavaScript and TypeScript. Solid understanding of mobile design principles and interface guidelines. Experience with …/EAS workflows, and automated testing. Proven track record of delivering high-quality apps in production. Additionally, you'll demonstrate experience of: 5+ years of professional experience in mobile development. 3+ years of experience building apps with React Native. Strong proficiency in JavaScript and TypeScript. Solid understanding of mobile design principles and interface guidelines. Experience with More ❯

Web & Mobile Developer Permanent Competitive Salary Southampton Hybrid This is a full-time, permanent role with a leading UK financial services business that s modernising its digital offerings and transforming how it serves clients and advisers. You ll join the engineering team to deliver exceptional web and mobile user experiences across modern wealth management platforms. Working … with cutting-edge tech like React, Next.js, and Ionic, you ll play a key role in shaping highly responsive, cross-platform applications. Key Responsibilities Develop and maintain mobile and web applications using React, TypeScript, Next.js, and Ionic Collaborate with UX designers to translate wireframes into polished, user-centric interfaces Build and maintain component libraries using Storybook Write clean … agile teams, participating in ceremonies and driving continuous improvement Integrate front-end components with APIs and back-end services Act as a subject matter expert for UI/mobile development across digital teams Key Requirements Solid experience building iOS and Android mobile apps and Next.js web applications Strong skills in React, Next.js, and hybrid frameworks like More ❯

Web & Mobile Developer | Permanent Competitive Salary | Southampton | Hybrid This is a full-time, permanent role with a leading UK financial services business that’s modernising its digital offerings and transforming how it serves clients and advisers. You’ll join the engineering team to deliver exceptional web and mobile user experiences across modern wealth management platforms. Working … with cutting-edge tech like React, Next.js, and Ionic, you’ll play a key role in shaping highly responsive, cross-platform applications. Key Responsibilities Develop and maintain mobile and web applications using React, TypeScript, Next.js, and Ionic Collaborate with UX designers to translate wireframes into polished, user-centric interfaces Build and maintain component libraries using Storybook Write clean … agile teams, participating in ceremonies and driving continuous improvement Integrate front-end components with APIs and back-end services Act as a subject matter expert for UI/mobile development across digital teams Key Requirements Solid experience building iOS and Android mobile apps and Next.js web applications Strong skills in React, Next.js, and hybrid frameworks like More ❯

Are you a talented C# Developer with a passion for building robust, scalable applications? Do you have experience delivering multi-platform mobile apps using technologies like .NET MAUI or React Native? If so, we want to hear from you! About the Role We're looking for a skilled developer to join our agile, fast-growing team. You'll … teams, you'll help bring innovative features to life that delight our users. What You'll Do: Design, build, and maintain high-quality C# applications. Develop cross-platform mobile … applications using .NET MAUI or React Native. Collaborate with designers and backend developers to deliver polished, user-friendly apps. Write clean, maintainable code and participate in code reviews. Optimize app performance and troubleshoot bugs across devices. What We're Looking For: Strong experience in C#/.NET development. Solid understanding of mobile UI/UX principles. Proficiency More ❯

seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist within the business, while working alongside a collaborative team of Developers, Data Engineers … and their application in software development will be highly valued. Main Purpose of the Role:Lead and champion Python development within the organisation.Drive technical innovation across mobile app projects, backend development, and AI-driven solutions.Collaborate closely with a multi-disciplinary technology team to deliver scalable, robust solutions. Key Responsibilities:Design, develop, and maintain high-quality software solutions … using Python.Contribute to mobile app development, ensuring seamless integration with backend systems.Build and maintain CI/CD pipelines for efficient and secure deployments.Develop solutions on AWS cloud infrastructure, ensuring performance, security, and scalability.Support and contribute to systems developed in C#/.NET where applicable.Incorporate AI technologies and tools where applicable to enhance functionality and efficiency.Promote engineering best More ❯

This is an exceptional opportunity to work on a wide range of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of … the Role:Lead backend development and play a key role in the mobile app delivery.Drive technical innovation and work across multiple high-profile projects.Collaborate closely with Developers, Data Engineers, Product Managers, and Technology Specialists. Key Responsibilities:Design, develop, and maintain scalable, secure, and high-quality backend solutions using C#.Develop solutions within AWS cloud infrastructure, ensuring performance and … resilience.Build and maintain CI/CD pipelines to enable rapid and efficient deployments.Work on mobile app integration projects to ensure seamless backend connectivity.Incorporate AI technologies and models where applicable to enhance software capabilities.Promote coding best practices, automated testing, and continuous improvement.Collaborate with cross-functional teams to translate business requirements into technical solutions.Manage multiple projects simultaneously within a More ❯

Knowledge, skills and qualifications - C# - MS SQL Server - HTML, CSS and JavaScript - One or more of the following: ASP.NET MVC WPF SSDT REST APIs Azure services, including Azure SQL, App Services, and Message Queues Mobile app development CI/CD Business Skills Sound presentation skills to both small and large audiences of varying occupational groups. Strong More ❯

Developer to join their dynamic technology team. This is a key opportunity to play a leading role in the development and launch of a major new mobile app scheduled for release in September 2025. The successful candidate will have extensive experience in React Native development, combined with a passion for delivering seamless mobile experiences across … iOS and Android platforms. Main Purpose of the Role:* Take ownership of mobile app design, development, and optimisation using React Native.* Drive the delivery of a high-performance, scalable mobile app with outstanding user experience.* Collaborate closely with Product Managers, Designers, Developers, and key stakeholders to deliver business-critical solutions. Key Responsibilities:* Translate UI …/UX designs and wireframes into high-quality, reusable React Native code.* Optimise app components for performance, responsiveness, and smooth user experience across iOS and Android devices.* Develop scalable, maintainable front-end architecture with reusable components and libraries.* Integrate native modules and third-party APIs as needed.* Manage end-to-end mobile app release processes for More ❯

to detail (Desirable) Experience with OAuth2/OIDC, mock data, or Microsoft Fabric (Desirable) Knowledge of Azure services, web design (HTML/CSS/JavaScript), or mobile app development (Desirable) Experience with SaaS, multi-tenant solutions, or high-throughput environments (Desirable) Use of Azure DevOps for planning, tracking, and deployment pipelines What We Offer: A base salary More ❯

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 ❯

Tech Stack You'll Be Working With Ruby on Rails with Tailwind CSS (Flowbite), Hotwire, Stimulus.js Sidekiq PostgreSQL database GraphQL API supporting our Flutter-based iOS mobile app RSpec for testing Heroku for deployment and infrastructure Occasional use of Cloudflare for CDN and DNS management What You'll Be Doing Develop, test, and maintain scalable, secure, and … skills and a sharp eye for detail Effective communication and collaboration abilities Nice to Have Experience with RSpec or similar automated testing frameworks Experience working with Flutter -based mobile applications Familiarity with Agile development methodologies Experience with APIs such as SmartDebit, Stripe, and SendGrid Degree in Computer Science or related field (or equivalent experience) Sound like you? This More ❯

Are you an experienced Mobile App developer, looking to join an expanding, recently invested into SaaS product company in the UK? Adept at both iOS & Android development, with an eye for clean UI/UX for cross-platform development? We are really expanding our development team & there will be plenty of new feature development for you to … We are also looking into starting our journey with LLM & prompt-based software engineering – so would love someone to join us on this, too! Role title: Mobile App Developer (Android & iOS; no preference for either) Salary: ~£55K Basic + Benefits package Location: Banbury, Oxfordshire. Hybrid working: 3 days office, 2 days home. Good commutes form Oxford, Rugby … Warwick, Milton Keynes, Northampton, Coventry, etc. We'd look for experience in the below: - Extensive knowledge about mobile app development and the entire application lifecycle (concept, design, test, release and support) - Extensive knowledge of the mobile platforms on which the app runs, e.g., Android, iOS, etc - Proficiency with writing automated tests in Playwright, predominantly. More ❯

Permanent , Full Time vacancy that will close in a month at 23:59 BST . The Vacancy We have an exciting opportunity to join Evri as a Senior Flutter App Developer! We are seeking an experienced and motivated Senior Mobile Application Developer with expertise in Flutter to join our dynamic Engineering team! You'll play a key … growing year on year, with ambitious plans for future growth and we would love to give you the opportunity to grow with us! Interested in becoming a Senior Flutter App Developer? Take a look at the below to understand what you'll be doing: Design, develop, and maintain cross-platform mobile applications using Flutter. Implement best practices … for clean, reusable, and maintainable code. Optimise app performance for various devices and screen sizes. Collaborate with product managers, designers, and backend engineers to define app requirements and deliver exceptional user experiences. You'll project manage, identifying and resolving technical challenges or blockers during the development process. You'll work closely with backend teams to integrate APIs and More ❯

operations are headquartered in Guildford. About this Vacancy PE Limited is seeking a development engineer with skills in iOS and Android software development, specifically focused on mobile app development. Responsibilities will include software coding, interface design, testing, and deployment of our mobile applications. The company is committed to supporting your personal growth, helping you deepen … your understanding of both software development and the rapidly evolving mobile app landscape. We are looking for talented and creative individuals who can enhance and develop our current geologically focused apps, Clino and FieldMove, while also leading the charge for exciting new app developments within PE Limited. Our existing apps utilize location services, online maps, compass … functionality, and device tilt sensors to provide an engaging digital compass clinometer experience with maps. This role requires drive and determination, which will ultimately shape the mobile app offerings within the organization to better meet our clients' needs. You will work closely with our current development engineers as well as domain specialists in structural geology and petroleum More ❯

Developer Location: Farnborough HQ Working Hours: Full-Time, 40 Hours per week We are continuing our very exciting growth journey and are looking for an additional Mobile App Developer (iOS) to join our team! This role will suit a talented iOS Developer with experience using Swift. We are expanding our current capabilities to make use of the … across the globe with diverse challenges including corporate flight departments, brokers, medical providers, military and business aviation operators. Solutions are provided through innovative web delivered software and connected mobile applications. Our offerings are all cloud based and available as mobile applications on iOS. We utilise cloud tools and processing capability to be more predictive, leading to … 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 ❯

Senior Android Developer - Android, Kotlin, MVVM, Java, XML - health care mobile apps Central London circa £80k DoE … + discretionary annual Bonus Hybrid working - 3-4 days per week in the office A cracking opportunity for a Senior Android Developer to join a small, acclaimed, highly creative app and technology company (circa 20) known for groundbreaking patented technology in the health care field, including several patents in the pipeline. The apps are truly innovative and positively impact … wearable devices Develop new features, improve existing code - work on ambitious projects ranging from low-level algorithms to high-level system design; plus the occasional development of a prototype app Utilise the latest Android SDKs and frameworks to implement scalable, maintainable and testable architectures Conduct code reviews and champion high-quality code by leveraging unit tests, continuous integration, and More ❯

ability to multitask within the budgets and time constraints set by the company Strong communication and problem-solving skills An understanding of development approaches and methods Knowledge of mobile applications, computer operating systems and web browsers Strong analytical skills More ❯

Are you an experienced Mobile App developer, looking to join an expanding, recently invested into SaaS product company in the UK? Adept at cross-platform iOS & Android development in React Native , with an eye for clean UI/UX? We are really expanding our development team & there will be plenty of new feature development for you to … We are also looking into starting our journey with LLM & prompt-based software engineering – so would love someone to join us on this, too! Role title: Mobile App Developer. React Native Developer. Salary: £55K - £60K Basic + Benefits package Location: Banbury, Oxfordshire. Hybrid working: 3 days home/office, per week (flexible). Good commutes form Oxford … Rugby, Warwick, Milton Keynes, Northampton, Coventry, Bicester, Leamington Spa, etc. We'd look for experience in the below: - Extensive knowledge about mobile app development and the entire application lifecycle (concept, design, test, release and support) - Extensive knowledge of the mobile platforms on which the app runs, e.g., Android, iOS, etc - Proficiency with writing automated More ❯

Are you an experienced Mobile Applications developer, looking to join an expanding, recently invested into SaaS product company in the UK? Adept at cross-platform iOS & Android development in Javascript ( React Native) & looking to be part of a growing product application software engineering team? We are really expanding our development team & there will be plenty of new feature … in to. We are also looking into starting our journey with LLM & prompt-based software engineering so would love someone to join us on this, too! Role title: Mobile Application Developer. Salary: £50K - £60K Basic + Benefits package Location: Banbury, Oxfordshire. Hybrid working: 2 or 3 days home/office, per week (flexible … . Good commutes form Oxford, Rugby, Warwick, Milton Keynes, Northampton, Coventry, Bicester, Leamington Spa, etc. We d look for experience in the below: - Extensive knowledge about mobile app development and the entire application lifecycle (concept, design, test, release and support) - Extensive knowledge of the mobile platforms on which the app runs, e.g., Android, iOS More ❯

Are you an experienced Mobile Applications developer, looking to join an expanding, recently invested into SaaS product company in the UK? Adept at cross-platform iOS & Android development in Javascript ( React Native) & looking to be part of a growing product application software engineering team? We are really expanding our development team & there will be plenty of new feature … in to. We are also looking into starting our journey with LLM & prompt-based software engineering – so would love someone to join us on this, too! Role title: Mobile Application Developer. Salary: £50K - £60K Basic + Benefits package Location: Banbury, Oxfordshire. Hybrid working: 2 or 3 days home/office, per week (flexible … . Good commutes form Oxford, Rugby, Warwick, Milton Keynes, Northampton, Coventry, Bicester, Leamington Spa, etc. We'd look for experience in the below: - Extensive knowledge about mobile app development and the entire application lifecycle (concept, design, test, release and support) - Extensive knowledge of the mobile platforms on which the app runs, e.g., Android, iOS More ❯

Are you an experienced Mobile Applications developer, looking to join an expanding, recently invested into SaaS product company in the UK? Adept at cross-platform iOS & Android development in Javascript ( React Native) & looking to be part of a growing product application software engineering team? We are really expanding our development team & there will be plenty of new feature … in to. We are also looking into starting our journey with LLM & prompt-based software engineering – so would love someone to join us on this, too! Role title: Mobile Application Developer. Salary: £50K - £60K Basic + Benefits package Location: Banbury, Oxfordshire. Hybrid working: 2 or 3 days home/office, per week (flexible … . Good commutes form Oxford, Rugby, Warwick, Milton Keynes, Northampton, Coventry, Bicester, Leamington Spa, etc. We'd look for experience in the below: - Extensive knowledge about mobile app development and the entire application lifecycle (concept, design, test, release and support) - Extensive knowledge of the mobile platforms on which the app runs, e.g., Android, iOS More ❯

Guildford, Surrey (Office-Based) £70000 - £120000 + 25% Bonus, 10% Pension, Private Medical. Must haves: - Must work 5 days per week in the office in Guildford. - Must have Native App examples for enterprise organisations live in the App Store. Your new company This leading Software provider are looking to bolster their engineering team an Mobile Apps … ll be contributing to the Development of 2 best-in-class existing applications for iOS and Android platforms, as well as leading the charge for exciting new cross platform app developments for the organisation. You'll work end to end on projects - software coding, interface design, testing, and deployment of mobile applications. The existing apps utilise location … with similar complex requirements. The company is committed to supporting your personal growth, helping you deepen your understanding of both software development and the rapidly evolving mobile app landscape. You will work closely with the internal development engineers as well as domain specialists in within their niche to further develop their world-leading suite of apps and More ❯

customers and a Trustpilot rating of 4.8, they're entering an exciting new growth phase-investing heavily in tech and launching a brand-new mobile app in September 2025. They're now hiring a Senior React Native Developer to join a small, collaborative team and play a central role in delivering a high-performance mobile product. This is a hands-on opportunity to help shape an app used daily by thousands, reporting directly to the CTO. Key Responsibilities Design, build, and support the flagship React Native mobile app Deliver scalable, reusable components and front-end libraries Translate UI/UX designs into performant, production-ready code Own releases for … both iOS and Android platforms Work with native modules when required Ideal Candidate 5+ years of mobile development experience with React Native Proven app delivery to iOS & Android app stores Strong understanding of mobile performance, architecture, and design patterns Solid grasp of domain-driven design, clean code principles, and MVC frameworks STEM or creative 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 ❯