26 to 50 of 446 Mobile App Jobs in London

Specification: We are seeking a Full Stack Mobile Engineer to join our mobile app team, reporting to the Lead Developer. You will work closely with business stakeholders, product owners and fellow engineers to understand business challenges, shape solutions and deliver high-quality digital products used ...

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 … more in the pipeline. Top-tier backing: Supported by global funds committed to fixing smartphones for good. The Opportunity As a Mobile App Engineer at Voop, you’ll play a pivotal role in developing and scaling our platform across web and mobile. You’ll work closely with ...

performance and wellbeing at the core. 💼 About the Role We’re looking for a stellar Software Engineer to help shape and grow the WONE app, our B2B2C platform that is redefining how we measure, understand, and reduce stress — before it becomes chronic and harmful. At the heart … define technical requirements, make trade-offs and ensure that solutions are both sustainable and maintainable in the long term. Experience with mobile app development, particularly React Native, is a strong plus and a passion for promoting wellbeing and reducing stress through technology is essential. This role requires ...

e.g., Java, C++, Python). Experience with WebTechnologies (HTML, CSS, and JavaScript). Preferred qualifications Experience as a developer in the mobile app space (iOS or Android) or an understanding of the mobile ad business generation industry. Experience working with SQL. Experience working alongside technical … mobile ad business generation ecosystem to architect solutions and implementations for our partners. Lead technical engagements with mobile app developers, aligning the company’s product suite with their specific business goals to drive long-term business growth and engagement. Resolve technical escalations from business ...

feedback to improve reliability, performance, and maintainability. Support Mobile Evolution: Assist with maintenance and incremental development of the current mobile app and support future migration work under technical guidance. Collaboration: Work closely with developers, testers, and product stakeholders to understand requirements, clarify details, and deliver … practical solutions. Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework) Tooling: Jenkins, GitLab, SonarQube, IntelliJ IDEA Foundational full stack expertise Experience building ...

code and providing support to other members of the team Work on client-facing applications in React/Next.js and our mobile app in React Native Design and build Node.js/GraphQL APIs Maintain and improve the quality of the software we deliver, the codebases we work … Help to identify and resolve reported issues Keep our customers' data safe You’ll need... 3-5 years’ experience as a mobile app developer Senior level experience in modern JavaScript applications written with ECMAScript, TypeScript, Node.js, React, Next.js, etc Experience designing and developing HTTP APIs in Node.js ...

About us: Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have recently achieved a significant milestone of over 1 billion downloads worldwide, taking a step toward our mission of cultivating the well … espect and support others I nitiate and own V oice openly E xecute with quality If you are passionate about mobile app development and want to join a company that’s reshaping the industry, Gismart is the place for you. We provide exciting career opportunities, a supportive ...

About us: Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have achieved a significant milestone of over 1 billion downloads worldwide, taking a step toward our mission of cultivating the well-being … matters R espect and support others I nitiate and own V oiceopenly E xecute with quality If you are passionate about mobile app development and want to join a company that’s reshaping the industry, Gismart is the place for you. We provide exciting career opportunities ...

within a cross-functional product team, reporting to the Head of Product Design, and play a key role in shaping the mobile app experience for audiences and entertainment producers. The role spans the full design lifecycle—research, ideation, UX/UI, prototyping and delivery. Key Responsibilities Collaborate … with product managers, engineers and analysts to design user-centric mobile app experiences Conduct and apply user research insights Create wireframes, proto@types, and detailed design specs Contribute to and maintain the design system Ensure accessibility and localisation standards are met Communicate design rationale clearly to stakeholders ...

appear in the right place to support every stage of the home-moving journey. The role: Help shape and deliver the mobile app experience across iOS and Android. Stay hands-on across discovery, interaction design and UI craft. Apply and contribute to reusable patterns, components and design … researchers to help shape the future of Rightmove. Whatyou'llbe doing: Collaborate with Product,Engineeringand fellow designers to shape the mobile app experience. Plan, run and analyse research to validate ideas and generate clear evidence. Use insights and analytics to iterate solutions and influence decisions. Produce user ...

About the Job you are considering:We are seeking a highly skilled and experienced Senior Mobile Solution Lead (iOS and Android) to join our Experience Design & Engineering Capability Unit. In this role, you will lead the development of innovative mobile applications, ensuring high performance, scalability … scale.Architect for resilience, performance, observability, accessibility, privacy, offline capability and secure mobile lifecycle management.Ensure alignment with enterprise architecture standards, regulatory expectations and App Store/Google Play requirements.Architecture governance and delivery assuranceProvide architecture leadership from mobilisation through build, test, release and production operation.Run design reviews, manage architecture ...

emerging world of creation-driven music consumption while preserving the social and fun elements of making music. Задачи Own the mobile app architecture, state management, and navigation, tracking startup time, frame rate, memory, and battery usage Design a navigation model that makes music, video, and image generation … editing, collaboration, listening, and social networking feel like one coherent product Implement multiplayer presence, shared session state, and conflict resolution that withstand app backgrounding and network changes Build the persistent mobile job system for background generations, uploads and downloads, local songs and projects, and synchronization after reconnecting ...

millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels. Great journeys start with Trainline We’re Europe’s leading independent rail platform, helping millions of travellers find … book the best-value rail and coach journeys across our app, website and partner channels. Our job is to make the green travel choice the best choice. By building a better train travel experience, we help more people choose rail - creating a positive impact for customers, our business ...

will also have a lot of impact on our team culture, processes and norms. Taptap Send is a cross-platform mobile app developed with React Native and TypeScript, which talks to a backend service written in Kotlin and backed by a PostgreSQL database, all of which runs … ability to manage conflicting priorities, setting expectations with stakeholders and be a driving force Ideally Experience working on a multi-platform mobile app with a significant volume of traffic High personal code/development standards (code review, unit testing, documentation, etc.) Taptap Values Impact first Team next ...

affordability to meet the needs of modern shoppers. Depending on your experience and interests, you may manage products across the Joybuy mobile app user journey, search and recommendation, post‐order payment and refund processing, customer service, fulfillment, supply chain, warehouse management systems (WMS), or transportation management systems … operations teams to deliver user‐centric solutions in a dynamic, international environment. Key Responsibilities Identify and enhance opportunities within the mobile app user journey, including features like new customer acquisition, promotions, product details, guided shopping, payment options and customer reviews, or other applications related to search ...

Centre (London) Limited Amazon Ads Brand Safety & Suitability protects advertisers from exposure to unsafe, unsuitable, or policy-violating content across web, mobile app, CTV, and audio advertising inventory. Our mission is to ensure that every ad impression delivered through Amazon's demand-side platform appears adjacent … disruption. You will define how modern AI separates high-quality advertising inventory from unsafe, unsuitable, and policy-violating content — across web, mobile app, CTV, and audio surfaces. What Makes This Role Unique Generative AI has dramatically lowered the cost of producing deceptive, policy-evasive content ...

solutions and make decisions on trade‐offs and integration Implement scalable, maintainable solutions across frontend and backend, including features for the mobile app Contribute to engineering best practices and help mentor other squad members Partner with product, design, and other teams to prioritize what drives real impact … iterative environments Can work on complex systems and collaborate effectively across multiple teams Nice to haves Experience with React Native and mobile app development This is a senior, high‐autonomy role where engineers get to own the lifecycle of features from design through delivery, working ...

Product and Engineering. Following LoopMe's acquisition of Chartboost, you'll also help extend our supply operations capabilities into gaming and mobile app markets. This role reports to the Senior Supply Operations Manager. It has no direct reports today, but is a deliberate step toward team leadership … bring Essential 4+ years in programmatic advertising, adtech or revenue operations, in a technical or operational role Solid working knowledge of SSPs, SDKs, in-app and web supply integrations, and oRTB — and the troubleshooting methods that go with them A track record of diagnosing and resolving technical supply issues ...

Bachelor's degree or equivalent practical experience 15 years of people management experience, leading regional/global distributed teams Experience in mobile app ecosystems, digital platforms, or other relevant areas Experience working in a global product, sales, and engineering environment Preferred qualifications: MBA degree Experience addressing policy … regulatory, and legislative issues Experience in mobile app ecosystems, digital platform, multi-functional background, or within a consulting firm Demonstrated relationship-building skills, established network of senior industry relationships and experience in negotiating and closing strategic partnerships and renewals Good business judgment, and the ability to communicate ...

Bachelor's degree or equivalent practical experience 15 years of people management experience, leading regional/global distributed teams Experience in mobile app ecosystems, digital platforms, or other relevant areas Experience working in a global product, sales, and engineering environment Preferred qualifications: Experience addressing policy, regulatory … legislative issues Experience in mobile app ecosystems, digital platform, multi-functional background, or within a consulting firm Demonstrated relationship-building skills, established network of senior industry relationships and experience in negotiating and closing strategic partnerships and renewals Good business judgment, and the ability to communicate effectively with ...

meet quality standards Coordinate configuring, coding, developing, and documenting software specifications throughout the project life cycle (concept, design, build, deploy, test and release to app store; as well as post launch operations such as support, troubleshoot, improvements etc.) Participate in technical, design, and architecture discussions with external partners from … Java for mobile development; Rails, nodejs and Angular for web development 5 to 7 years of extensive native mobile app (iOS & Android) and web app development experience Demonstrable portfolio of released web apps, mobile applications on the App store ...

complex projects and contribute to clear technical direction. Required qualifications: 5+ years of experience developing high-quality Android applications. Strong understanding of the full app development lifecycle. Proficiency in Kotlin and building user interfaces with Jetpack Compose. Solid understanding of the Android SDK: App components (Activities, Services, receivers … view of what belongs in unit, integration, and UI tests. Familiarity with: Accessibility best practices for mobile applications. OAuth, mobile app authentication, and data safety. Material Design principles, mobile UX practices, and patterns. What you will do: Design, build, and ship Android features ...

LemFi (Series B) is building the go-to financial app for the Global South. Moving to a new country shouldn’t mean starting from zero. That's why our team of 400+ spanning 20+ countries is building a financial ecosystem that helps immigrants stay connected to home, build stability … business outcomes. Own the install-to-transfer funnel, working tightly with Product, Data, and Compliance to ensure paid traffic doesn’t just download the app but clears KYC and completes a first funded transfer. Your experience 8+ years in digital, paid performance, or growth marketing; fintech, mobile ...

complex projects and contribute to clear technical direction. Required Qualifications 5+ years of experience developing high-quality Android applications. Strong understanding of the full app development lifecycle. Proficiency in Kotlin and building user interfaces with Jetpack Compose. Solid understanding of the Android SDK: App components (Activities, Services, receivers … view of what belongs in unit, integration, and UI tests. Familiarity with: Accessibility best practices for mobile applications. OAuth, mobile app authentication, and data safety. Material Design principles, mobile UX practices, and patterns. What You Will Do Design, build, and ship Android features ...

join our Mobile team at Lendable and help us ship our apps with confidence as we keep scaling. Our mobile app, Zable, is how most of our customers experience all of our products in one centralised space. It's written in React Native and TypeScript … with sensible controls around review and trust. Strong TypeScript and JavaScript - not just writing test scripts, but building helpers, tooling, and debugging into the app when needed. Experience shaping CI/CD pipelines for test reliability (GitHub Actions or similar), including flakiness reduction, parallelisation, artefact management, and runtime control. ...