25 of 25 Contract Mobile App Jobs in London

fintech, or financial technology is highly preferred. Must have experience implementing detailed solutions for complex use cases like payment processing, fraud prevention, compliance, and international payments. Mobile App Experience: Expertise in delivering transformative mobile app experiences that delight and engage end-users in the context of online payments. Strong Communication: Skilled at coordinating and More ❯

fintech, or financial technology is highly preferred. Must have experience implementing detailed solutions for complex use cases like payment processing, fraud prevention, compliance, and international payments. Mobile App Experience: Expertise in delivering transformative mobile app experiences that delight and engage end-users in the context of online payments. Strong Communication: Skilled at coordinating and More ❯

My Client, a large global financial services brand is looking for an experienced Mobile QA Engineer (Manual) on a initial contract basis. The role in Inside IR35 and Hybrid in London (3 days based onsite). We're looking for a Mobile QA Engineer (Manual) to work on award winning mobile applications that will … working with new technologies. You should not be shy about sharing your ideas and be obsessive about user experience and high quality. You'll be part of the Mobile Engineering team whose mandate is to develop new products and platforms for customers. Mobile Engineering's aim is to build interactive experiences at all touch points of … . Must have hands-on testing experience in iOS and Android mobile platforms by leveraging various functional and automated tools. Minimum 3+ years of mobile app Automation experience with tools like Monkey Talk, Selendriod, Appium, Katalon etc. Possesses deep knowledge on Functional, Integration, Regression, Exploratory, End to End, Compatibility, GUI, Web Services and Accessibility testing. More ❯

Role: IOS Application Mobile Developer Location: London/Remote Duration: 6 Months Day rate: £605 Umbrella Only You will be part of the team that will be responsible for developing and maintaining features for the iOS variant of the client App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure, and test, you will help … deliver a first-class experience to millions of users across England. Responsibilities: Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the App's iOS application using Swift and Swift UI. Create appropriate unit and integration tests for your work. Write clean, maintainable and ePicient code, which follows best practices and coding … standards. Optimise solutions for performance and speed to provide an excellent user experience. Ensure the application meets the Apple App Store requirements. Work closely with UI/UX designers to ensure the application implements a consistent visual intuitive design. Support what you deliver in production. The ideal candidate must: Have 5+ years' experience of iOS development using Swift, Swift More ❯

basis. The role in Inside IR35 and Hybrid in London (3 days based onsite). We're looking for a Senior QA Engineer to work on award winning mobile applications that will be used by millions of customers worldwide. We want someone with strong technical skills and creativity. Should enjoy solving tough problems and working with new technologies. … You should not be shy about sharing your ideas and be obsessive about user experience and high quality. You'll be part of the Mobile Engineering team whose mandate is to develop new products and platforms for customers. Mobile Engineering's aim is to build interactive experiences at all touch points of a consumer's journey … . Must have hands-on testing experience in iOS and Android mobile platforms by leveraging various functional and automated tools. Minimum 3+ years of mobile app Automation experience with tools like Monkey Talk, Selendriod, Appium, Katalon etc. Possesses deep knowledge on Functional, Integration, Regression, Exploratory, End to End, Compatibility, GUI, Web Services and Accessibility testing. More ❯

a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI.- Create appropriate unit and integration tests for your work.- Write clean, maintainable and ePicient code, which follows best practices andcoding standards. … Optimise solutions for performance and speed to provide an excellent userexperience.- Ensure the application meets the Apple App Store requirements.- Work closely with UI/UX designers to ensure the application implements aconsistent visual intuitive design.- Support what you deliver in production.ExperienceTime setved experience of iOS development using Swift, Swift UI and Xcode.- Be passionate about mobile … arise in your domain.- Have experience with troubleshooting/debugging application bugs and makingperformance improvements.- Have experience with using Swift package manager.- Have an understanding of mobile app analytics and its use to maintain stable,crash free applications.- Have experience with using native OS features such as push notifications,HealthKit and App Intents.- Have experience of More ❯

a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and ePicient code, which follows best practices and coding … standards. - Optimise solutions for performance and speed to provide an excellent user experience. - Ensure the application meets the Apple App Store requirements. - Work closely with UI/UX designers to ensure the application implements a consistent visual intuitive design. - Support what you deliver in production. Experience Time setved experience of iOS development using Swift, Swift UI and Xcode.- Be … in your domain. - Have experience with troubleshooting/debugging application bugs and making performance improvements. - Have experience with using Swift package manager. - Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. - Have experience with using native OS features such as push notifications, HealthKit and App Intents. - Have experience of More ❯

a first-class experience to millions of users across England. Responsibilities Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the clients App's Android application using Kotlin. Create appropriate unit and integration tests for your work. Write clean, maintainable and eNicient code, which follows best practices and coding standards. Optimise solutions … visual intuitive design. Support what you deliver in production. The ideal candidate must: Have 5+ years' experience of Android development using Kotlin and Android Studio. Be passionate about mobile development, keeping up to date with the latest Android development trends and best practices. Have a good understanding of Android design principles and interface guidelines. - Be someone who embraces … that arise in your domain. Have experience with troubleshooting/debugging application bugs and making performance improvements. Have experience with using Gradle. Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. Have knowledge of using Jetpack Compose. Have experience with using native OS features such as push notifications, Health Connect More ❯

a first-class experience to millions of users across England. Responsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin.- Create appropriate unit and integration tests for your work.- Write clean, maintainable and eNicient code, which follows best practices andcoding standards.- Optimise solutions for … the application implements a consistent visual intuitive design.- Support what you deliver in production.Experience required - Time served experience of Android development using Kotlin and AndroidStudio.- Be passionate about mobile development, keeping up to date with the latestAndroid development trends and best practices.- Have a good understanding of Android design principles and interface guidelines.- Be someone who embraces collaboration … issues that arise in your domain.- Have experience with troubleshooting/debugging application bugs and makingperformance improvements.- Have experience with using Gradle.- Have an understanding of mobile app analytics and its use to maintain stable,crash free applications.- Have knowledge of using Jetpack Compose.- Have experience with using native OS features such as push notifications, HealthConnect and More ❯

a first-class experience to millions of users across England. Responsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and eNicient code, which follows best practices and coding standards. - Optimise solutions … application implements a consistent visual intuitive design. - Support what you deliver in production. Experience required - Time served experience of Android development using Kotlin and AndroidStudio. - Be passionate about mobile development, keeping up to date with the latest Android development trends and best practices. - Have a good understanding of Android design principles and interface guidelines. - Be someone who embraces … that arise in your domain. - Have experience with troubleshooting/debugging application bugs and making performance improvements. - Have experience with using Gradle. - Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. - Have knowledge of using Jetpack Compose. - Have experience with using native OS features such as push notifications, Health Connect More ❯

experience with Playwright for test automation, and familiarity with modern web technologies (JavaScript/TypeScript, HTML, CSS). SDET Expertise: Proficiency in writing automated tests for web and mobile applications, with a solid understanding of testing methodologies. Commodity Trading Knowledge: An understanding of the commodity trading industry is a plus, as it will enable you to grasp the More ❯

close tie into the prototype product. Activities Conduct user research and analyze user behaviour to inform design decisions. Create wireframes, prototypes, and high-fidelity mockups for web and mobile applications. Design user interfaces that are visually appealing, consistent, and aligned with brand guidelines. Collaborate with cross-functional teams to define user requirements and translate them into design solutions. More ❯

skills o Experience working in high-performing development teams using agile methodologies and tools o Experience in multi-threaded programming o Proven record of design and development of mobile applications in an Enterprise setting is a plus Please note these are very niche skillsets in payment domain for Applet coding and require knowledge of EMV, Java card (not More ❯

Developer Location: Remote Inside IR35 6months + Contract Role description: This role requires expertise in Visual Builder Cloud Services (VBCS) to design, develop and deploy modern wed and mobile applications that extend Oracle Fusion Cloud applications (ERP, HCM, SCM etc) The role requires hands-on development skills, knowledge in Oracle Integration Cloud (OIC) and experience in building scalable More ❯

concept to market. Experience implementing detailed solutions for complex online payment use cases (e.g., payment processing, fraud prevention, compliance, international payments). Expertise in delivering transformative mobile app experiences Background in online payment systems, fintech, or financial technology preferred. Proven ability to coordinate and align efforts across product, design, engineering, and go-to-market teams Experience leading More ❯

Mobile Developer (iOS/Android) Smart Home/IoT Apps Location: UK/EMEA (Fully Remote) Rate: £300 £400 per day We are seeking a talented and creative Mobile Developer (iOS/Android) to join our clients fast-growing digital and smart home technology team . You will be working on the design, development, and optimisation … of innovative mobile applications that power the next generation of home automation and IoT devices , used by thousands of customers daily. This is a fantastic opportunity to make an impact on high-profile projects , working within a collaborative, forward-thinking environment that blends mobile, IoT, cloud, and real-time communication technologies . Key Responsibilities Develop, test … applications (native or cross-platform). Collaborate with product managers, designers, and backend engineers to define and deliver new features. Ensure code quality, performance, and reliability across all mobile platforms. Integrate apps with APIs, MQTT messaging, and real-time device data. Implement push notifications, scheduling, and device control features. (Optional) Contribute to voice/video communication features using More ❯

profiles o Alerting rules and alert profiles o Synthetic monitoring o Log monitoring o Real User Monitoring (RUM) to capture and analyse end-user experience across web and mobile applications. o Utilisation of Dynatrace Query Language (DQL) and Grail for advanced data exploration and analytics. o Integration of Dynatrace with external systems via APIs in complex environments. * Ideally More ❯

performance monitoringo Anomaly detection profileso Alerting rules and alert profileso Synthetic monitoringo Log monitoringo Real User Monitoring (RUM) to capture and analyse end-user experience across web and mobile applications.o Utilisation of Dynatrace Query Language (DQL) and Grail for advanced data exploration and analytics.o Integration of Dynatrace with external systems via APIs in complex environments.* Ideally, you will More ❯

maintain secure and scalable Android applications using Kotlin and/or Java. Collaborate with cross-functional teams including product owners, designers, and backend engineers to deliver high-quality mobile solutions. Ensure application performance, quality, and responsiveness across a wide range of Android devices. Contribute to architectural decisions and promote best practices in mobile development. Participate in … understanding of the Android SDK. Experience integrating RESTful APIs and working with modern Android frameworks (e.g., Jetpack, Dagger/Hilt, Retrofit). Familiarity with secure coding practices and mobile application security standards. Strong version control experience (e.g., Git) and exposure to CI/CD pipelines. Excellent communication skills and the ability to work effectively in a collaborative, Agile More ❯

integration while resolving issues alongside the product teams. If you're customer-obsessed, thrive in collaborative environments, and have experience building transformative online payment software and mobile app solutions, this may be the opportunity for you to make a lasting impact. Responsibilities Strategic leadership: Lead the development and execution of the new payment proposition, ensuring alignment with More ❯

Month Initial Contract | Start ASAP | Likely Extension To apply, email: THE OPPORTUNITY A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work … on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. THE ROLE Develop and deploy iOS apps (Swift/Objective-C, iOS SDK, App Store). Integrate RESTful APIs and backend services into iOS applications. Embed AI/ML features (NLP, recommendation engines) into mobile workflows. Deliver compliant and secure fintech … solutions (GDPR, OAuth, encryption). TECH STACK/REQUIREMENTS Experience managing projects end-to-end (greenfield exp.) Strong expertise in iOS development (Swift/Objective-C, iOS SDK, App Store deployment) Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption More ❯

Month Initial Contract | Start ASAP | Likely Extension To apply, email: THE OPPORTUNITY A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work … on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. THE ROLE Develop and deploy iOS apps (Swift/Objective-C, iOS SDK, App Store). Integrate RESTful APIs and backend services into iOS applications. Embed AI/ML features (NLP, recommendation engines) into mobile workflows. Deliver compliant and secure fintech … solutions (GDPR, OAuth, encryption). TECH STACK/REQUIREMENTS Experience managing projects end-to-end (greenfield exp.) Strong expertise in iOS development (Swift/Objective-C, iOS SDK, App Store deployment) Track record delivering secure mobile applications (fintech preferred) Experience integrating AI/ML components into mobile apps Security/compliance awareness (GDPR, OAuth, encryption More ❯

Fullstack Javascript Developer l Typescript l Maestro l Supertest l Automation l API l Mobile l React Native l Playwright l Platform l CI/CD l integration l Node.JS l £400 PD l Outside IR35 l End of January l London - Remote Method Resourcing are partnering with an exciting start up based in London in need of … within their CI/CD pipelines Core tech stack: Javascript/Typescript Testing: Playwright, maestro and Supertest CI/CD is built in github actions AWS Serverless infrastructure Mobile application in React native Realistically, we are looking for someone who has around 3-4 years of experience, eager to impress and over-deliver, can work very independently and … the role and would love more information please send me your CV ASAP at Fullstack Javascript Developer l Typescript l Maestro l Supertest l Automation l API l Mobile l React Native l Playwright l Platform l CI/CD l integration l Node.JS l £400 PD l Outside IR35 l End of January l London - Remote RSG More ❯

Job Description: What You Bring 8+ years of experience writing for digital products, mobile apps, web platforms, or SaaS tools. Mastery of UX writing principles, with a clear POV on clarity, hierarchy, intent, and tone. Experience working in cross-functional product teams using agile, iterative approaches. Strong portfolio showcasing thoughtful UX content work, explaining context, decision-making, and … design principles, and UX best practices. Excellent storytelling, presentation, and collaboration skills. If you bring the following, you're a superstar in our eyes Experience writing for native mobile platforms (iOS, Android) Industry experience in Banking, fintech, or other domains with regulatory nuance. Experience partnering with AI, LLM, or chat interface teams on content generation or governance. Comfort More ❯

Rate: £500-630 per day Location: hybrid London, mainly remoteContract Duration: until December 2025 A unique opportunity has arisen for a skilled professional with a strong background in mobile application security to join a specialist team tackling complex technical challenges. The successful candidate will be responsible for conducting in-depth analysis of Android applications, providing clear and actionable … fast-paced, consultancy -style environments This is a fast-moving, technically rewarding role within a collaborative and supportive team, offering the chance to further develop your expertise in mobile security. If you are interested in the above role, please click Apply Now and send a CV for quick review. Should you require reasonable adjustments at any point during … the recruitment process, if there is a better way for us to communicate, please do let us know. Developer, Engineer, Programmer, Java, Android, Mobile OS, Malware, Virus, Penetration Test, Threat, OSCP, Cyber, Infosec, Security, Information Security, Pentest #vacancy #jobadvert #recruit #hiring #jobsearch #careers #talent #recruitment #job Circle Recruitment is acting as an Employment Agency in relation to this More ❯