101 to 125 of 130 Mobile App Jobs in London

debt markets worldwide. The Opportunity We are seeking an Engineering Lead II to lead three customer‐facing engineering teams across Onboarding & Activation, Mobile, and Office Productivity. These teams are responsible for how customers discover, adopt, access, and engage with 9fin across multiple surfaces and workflows. Together they … critical parts of the customer journey including onboarding, permissions and entitlements, activation, notifications, discovery, mobile experiences, and productivity tooling such as Microsoft Office integrations. You will lead multiple engineering pods (circa 7 engineers total), each with its own product area, roadmap, and technical challenges, while ensuring they operate ...

first mindset will be critical to your success. What you will do Design, build and maintain web applications using React Develop and support mobile applications using React Native Integrate applications using RESTful APIs Deploy applications and support releases into production Build responsive, accessible and well-structured user interfaces … lifecycle Ensure solutions meet both technical standards and business needs Stay up to date with emerging trends and best practices in web and mobile development Support and coach other team members where appropriate Working hours are 40 hours a week Monday to Friday. Start times are flexible from ...

Responsibilities Develop and maintain mobile client components that capture and report listening and user behavior signals across Spotify. Build high-quality, well-tested, and well-documented Kotlin code that contributes to business-critical datasets used for royalty reporting, analytics, experimentation, and personalization. Collaborate with engineers across Android … data engineering concepts. You have experience with instrumentation, telemetry, event collection, or large-scale client-side data systems. You have worked on mobile applications that operate at significant scale and reliability requirements. #J-18808-Ljbffr ...

Klaviyo. Recent team projects include AI‐powered demo data generators, a public Chrome extension for troubleshooting API calls, web SDK injectors, and templatized mobile apps that showcase our SDK capabilities. How You’ll Make a Difference Lead the Technical Win in High‐Stake, Complex Deals Own technical strategy … with minimal oversight 5+ years working across modern development stacks, including Python, JavaScript frameworks (Node.js, React), RESTful APIs, SQL, and some exposure to mobile development Familiarity with AI‐assisted development tools (e.g. Codex, Claude Code) and emerging patterns such as MCP Strong domain knowledge in marketing automation, CDPs ...

Technical Lead – React Native (Hybrid ) Location: London (Hybrid, 2–3 days onsite) Overview A senior technical leadership role defining and driving hybrid mobile strategy across large-scale iOS and Android applications serving millions of users. You’ll shape how React Native and WebView solutions are introduced into … complex native ecosystem, balancing speed of delivery with performance, stability, and scalability. What You’ll Do Own the React Native and hybrid mobile strategy across iOS and Android Decide when to use hybrid vs fully native approaches Lead architecture, spikes, and proof-of-concepts Define integration patterns between ...

Programming and lead the editorial team responsible for curating and optimising the content experience across our core digital surfaces web, mobile web, and mobile apps for a 24/7 global news organisation. This role is at the intersection ofjournalism, audience behaviour, and product innovation. … Sunday. Your Role Accountabilities Lead a team of editors programming the organisations home and front-door digital experiences (web, mobile web, and app) Guide programming strategy across formats including live video, text, audio, and visuals ensuring each is optimised Exercise strong editorial judgment in real-time, particularly ...

quality in complex, data‐rich screens (e.g. tables, charts, reconciliation views, approvals), ensuring work is robust and polished across desktop, mobile web, and native mobile apps. Drive a rigorous discovery and validation practice: Ensure your teams use research, experimentation, and product analytics to understand customer behaviour. ...

leadership for native search and discovery experiences, setting architectural direction, influencing engineering standards, and shaping the evolution of AI-enabled capabilities across the mobile platform. In this role, you will: Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across Expedia Group … proficiency in Kotlin Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimization Deep understanding of Android app architecture patterns (e.g., MVVM, MVI, MVP) Prior experience in the search domain or travel industry, such as building or scaling search, discovery in consumer ...

shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design, and deliver advanced Android mobile solutions that ensure scalability, performance, and maintainability. Responsibilities Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across … proficiency in Kotlin. Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimization. Deep understanding of Android app architecture patterns (e.g., MVVM, MVI, MVP). Prior experience in the search domain or travel industry, such as building or scaling search, discovery ...

This is an opportunity to own and shape a high-impact mobile product within a fast-scaling, consumer-focused environment. You will play a key role in delivering a seamless digital experience, directly influencing how users engage with a premium product offering. With a strong focus … impact across the organisation. The team values curiosity, ownership, and delivering high-quality products at pace. The Role Own the end-to-end mobile product experience across iOS and Android platforms Drive product strategy and roadmap for a D2C mobile application Work closely with engineering, design ...

United States Digital Space LLC in London is seeking a Senior Product Engineer, React Native, to own mobile and web experiences across iOS, Android, and web. You’ll work in a hybrid setup with on‐site presence several days a week and must have the right to work ...

Design User Research and Personas Customer Journey Mapping Information Architecture Wireframing and Prototyping Responsive Web Design Design Systems Accessibility and Inclusive Design Mobile and Web Application Design Usability Testing UX Writing Fundamentals Figma and Modern Design Tools Practical Experience You will work on realistic design projects that … include: Website redesigns Mobile application concepts User research exercises Wireframe creation Interactive prototypes Design system development Usability testing reports Portfolio projects This practical experience will help you develop a professional portfolio that demonstrates your capabilities to future employers. Ideal Candidate We are looking for individuals who: Have ...

qualifications, capabilities, and skills 5+ years of experience in conducting manual penetration tests against a wide variety of applications and technologies including web, mobile and thick clients, internal and external facing infrastructures, cloud Foundational knowledge of cybersecurity organization practices, operations, risk management processes, principles, architectural requirements, engineering … Public cloud environments like AWS, Azure and GCP with proficiency in at least one platform. Experience in reverse engineering standalone, thick client and mobile applications. Proficiency in security concepts for both Windows and Unix-like Operating Systems. Experience in source code review and/or building software with ...

Senior Product Designer to shape and enhance key customer experiences across digital journeys, designing clear, intuitive, high-quality interactions across web and mobile that help customers complete important tasks with ease and confidence. This is a senior, hands-on role for someone with strong end-to-end product … iteration while maintaining high-quality design craft Skills & Experience Extensive senior-level product design experience across complex digital products Strong portfolio covering both mobile apps and responsive web Proven ability to simplify complex or regulated journeys Expertise in UX, interaction design, and visual execution Skilled in journey mapping ...

United States Digital Space LLC is seeking a Principal Software Engineer, Mobile (React Native) in Nine Elms, London. This full-time position demands a hands-on leader who will guide the technical direction … consumer mobile apps across iOS, Android, and web platforms. The successful candidate will leverage their deep expertise in React Native to enhance app performance, stability, and team mentoring. Noteworthy benefits include a competitive salary, private health insurance, and extensive leave options. #J-18808-Ljbffr ...

Fuse Energy, LLC in London is seeking experienced Mobile Engineers to join a small, high-ownership team. You will own features end-to-end, from customer-facing product to internal tools, shipping consumer-facing AI features on mobile using Swift or Kotlin across iOS and Android. … work with a tight team to design and deliver polished, scalable mobile apps, collaborating with designers and backend engineers, and taking responsibility for code quality, testing, and production readiness in a #J-18808-Ljbffr ...

products under fluid conditions, seamlessly balancing tactical and strategic considerations all in service of our users Responsibilities Deliver a world class mobile experience for Treasury users Scope and lead technical projects, laying the groundwork for our products to iteratively evolve and scale Design, build, expand and maintain mobile … business priorities, user experience, and a sustainable technical foundation Who you are We’re looking for software engineers with experience distributing products via mobile who have an eye for detail and are happy delivering changes at any layer of the technical stack. Minimum requirements Have a strong technical ...

products under fluid conditions, seamlessly balancing tactical and strategic considerations all in service of our users. Responsibilities Deliver a world-class mobile experience for Treasury users, including working with our partners to design and launch new features and capabilities Scope and lead technical projects, laying the groundwork … products to iteratively evolve and scale Design, build, expand, and maintain mobile-specific view cross-platform components, backing APIs and their services Align our technical decisions with the broad strategic initiatives at Stripe, while also advocating for needs specific to emerging new businesses Work with engineers across ...

owned some of the most loved and profitable products in the world, delivered transaction platforms operating at massive scale, created beautiful mobile applications — and built things that have changed the lives of millions of people. We don’t believe in 9-to-5 and we don’t believe … latest tools and technology. A world‐class team that will challenge and grow your skills. The opportunity to help build the best fintech app in Latin America. Office Policy: 3-4 days a week in-office. #J-18808-Ljbffr ...

Hargreaves Lansdown PLC in London is seeking an experienced Software Engineering Manager for the Mobile Platform to own the design, architecture, and delivery of our greenfield UCX mobile apps using React Native across iOS and Android. You will lead a 5–7 person mobile ...

Monograph is seeking a dedicated software engineer to enhance the mobile experience for Treasury users. This full-time position requires at least 3 years of experience in mobile application development and a history of working collaboratively across teams. The ideal candidate will thrive in a dynamic ...

owned some of the most loved and profitable products in the world, delivered transaction platforms operating at massive scale, created beautiful mobile applications — and built things that have changed the lives of millions of people. We don’t believe in 9-to-5 and we don’t believe … latest tools and technology A world-class team that will challenge and grow your skills The opportunity to help build the best fintech app in Latin America Office Policy: 3-4 days a week in‐office #J-18808-Ljbffr ...

Mindera is seeking an experienced Lead Mobile Engineer to drive strategy, development, and execution of mobile applications across platforms. You will lead a team of engineers, collaborate with product/design, and propose state-of-the-art architectures for new or evolving apps. The role requires ...

approximately 800 locations. The role owns the end-to-end payment card infrastructure, including payment terminals, switching services, payment applications, loyalty integrations, mobile payment solutions, and associated vendor relationships. The successful candidate will act as the organization's subject matter expert for payment technologies and fintech solutions, ensuring … leading a small technical team and delivering key business initiatives. Payment Processing Expertise, Fintech Knowledge, Technical Architecture, Vendor Management PCI DSS & P2PE Compliance, Mobile Application Management, Loyalty Platform Management, Commercial Awareness Key Responsibilities Payment Platform Ownership * Own the end-to-end payment card processing environment across two brands ...

approximately 800 locations. The role owns the end-to-end payment card infrastructure, including payment terminals, switching services, payment applications, loyalty integrations, mobile payment solutions, and associated vendor relationships. The successful candidate will act as the organization's subject matter expert for payment technologies and fintech solutions, ensuring … leading a small technical team and delivering key business initiatives. Payment Processing Expertise, Fintech Knowledge, Technical Architecture, Vendor Management PCI DSS & P2PE Compliance, Mobile Application Management, Loyalty Platform Management, Commercial Awareness Key Responsibilities Payment Platform Ownership * Own the end-to-end payment card processing environment across two brands ...