1 to 25 of 73 Mobile App Jobs in Central London

strong written and verbal communication skills in Russian to service a growing EMEA book of business. As an Account Manager at Sensor Tower, you will have mobile app industry insights at your fingertips. You will leverage Sensor Tower's platform insights and your ever-growing mobile industry knowledge to consult our Enterprise clients as they … focus on Russian-speaking markets Consult with clients on how to best utilize Sensor Tower’s data and insights to drive strategic decisions and optimize their mobile app strategies Deliver product education, onboarding, and ongoing training to ensure clients are maximizing the value of the platform Build and maintain strong relationships with key stakeholders, from analysts to … development and innovation Collaborate closely with Customer Success, Product, and Marketing teams to deliver a cohesive client experience Stay up to date with trends in the mobile app ecosystem and bring valuable market insights to client conversations Represent Sensor Tower at industry events, webinars, and client meetings as a trusted expert in mobile market intelligence More ❯

company partners with major global brands, attracting over 8 million monthly users . You’ll play a key role in scaling and shaping a highly impactful mobile app used daily by millions, while contributing to exciting greenfield projects that are modernising their tech ecosystem. Role Responsibilities Lead development across iOS and Android apps using React Native and … TypeScript . Collaborate with designers, product managers, and engineers to deliver best-in-class mobile experiences. Build high-quality, scalable, and reliable app features - from design to deployment. Enhance CI/CD pipelines and ensure engineering best practices are upheld. Stay ahead of the latest mobile innovations and mentor others to achieve technical excellence. Key … Requirements 5+ years of experience with React Native and TypeScript/JavaScript . Proven background in mobile app development, optimisation, and deployment. Experience in product focused businesses such as Retail Advantageous to have experience with: AWS Expo Figma GraphQL Why Join? Competitive salary up to £87,500 + excellent benefits . Hybrid working - just 1 day per More ❯

our mobile application. This senior role blends hands-on product design with leadership and strategic thinking. You’ll shape the look, feel, and user experience of our app while mentoring a talented design team to deliver world-class solutions. Key Responsibilities: Mobile App Component Development: Design and refine reusable UI components for scalable, consistent … mobile experiences. Strategic Vision & Direction: Set and communicate the long-term design vision aligned with product and business goals. Leadership & Mentorship: Inspire and guide a team of designers, providing feedback and fostering growth. End-to-End Feature Design: Own complex features and user journeys from ideation to delivery and iteration. Design Quality Assurance: Review and critique design work … functional Collaboration: Work closely with product managers, engineers, and stakeholders to create intuitive, delightful mobile experiences. What We’re Looking For: Proven experience in mobile app design and leadership roles. Strong portfolio showcasing end-to-end design work and UI component systems. Expertise in design tools (e.g., Figma, Sketch) and mobile design best More ❯

a critical role in ensuring multi-channel platforms comply with privacy regulations and consent management standards. This is a hands-on technical role suited for someone with experience auditing app and web logs, validating SDK integrations, and managing consent signals across digital ecosystems. Youll work closely with cross-functional teams to maintain best-in-class consent management operations. Responsibilities … Audit app logs, SDK events, and CMP implementations for compliance and accuracy. Assist with onboarding new apps and websites into the Consent Management Platform (CMP). Validate consent signal propagation and end-to-end integration across systems. Execute technical checks and remediation tasks as directed by the CMP Product Owner. Document standard procedures, audit reports, and technical playbooks for … privacy regulations (GDPR, CCPA). Ability to work independently and manage deliverables with minimal supervision. Excellent documentation, analytical, and communication skills. Beneficial Experience supporting web and mobile app consent flows. Basic understanding of JavaScript or mobile app development (iOS/Android). Exposure to privacy, compliance, or data governance environments. Privacy certification (CIPP, CIPT More ❯

a critical role in ensuring multi-channel platforms comply with privacy regulations and consent management standards. This is a hands-on technical role suited for someone with experience auditing app and web logs, validating SDK integrations, and managing consent signals across digital ecosystems. You’ll work closely with cross-functional teams to maintain best-in-class consent management operations. … Responsibilities Audit app logs, SDK events, and CMP implementations for compliance and accuracy. Assist with onboarding new apps and websites into the Consent Management Platform (CMP). Validate consent signal propagation and end-to-end integration across systems. Execute technical checks and remediation tasks as directed by the CMP Product Owner. Document standard procedures, audit reports, and technical playbooks … privacy regulations (GDPR, CCPA). Ability to work independently and manage deliverables with minimal supervision. Excellent documentation, analytical, and communication skills. Beneficial Experience supporting web and mobile app consent flows. Basic understanding of JavaScript or mobile app development (iOS/Android). Exposure to privacy, compliance, or data governance environments. Privacy certification (CIPP, CIPT More ❯

-first privacy technology. About the Role We’re looking for a Senior React Native Engineer to play a key role in building, improving, and scaling our encrypted email app, C.Email. You’ll work closely with our CTO, cryptography specialist, and engineers to deliver a high-performing, secure, and intuitive product. This is a hands-on engineering role with … new features from concept to release, owning them end-to-end — from design discussions and prototyping through to testing and deployment. Develop and enhance the C.Email mobile app using React Native (Expo + CNG). Improve app stability and performance; resolve bugs and UI issues. Implement cryptography improvements for performance and integration. Write modular, testable, maintainable … ideas. Qualifications Strong experience in software engineering with React Native and TypeScript. Experience setting up automated tests from scratch — unit, component, and user-simulation tests. Strong understanding of mobile-first architecture (local data storage, offline-first). Experience working in startups or small technical teams (series A or B/pre VC funding). Proven ability to take More ❯

someone who’s excited about owning big pieces of product from day one. The team is looking for a Design Engineer who can help shape their mobile app and overall user experience. If you enjoy working closely with design, turning complex flows into something incredibly simple for users, and being part of a product still early in … its journey, this could be a great fit. What you’ll be working on: Taking the lead on their React Native app across iOS and Android Building and integrating with backend APIs Setting up CI/CD, testing, monitoring, and general production-ready infrastructure Handling sensitive data securely (auth, KYC/AML) Improving app performance and reliability Collaborating … someone comfortable owning problems end-to-end Strong background in React Native & React Experience with consumer-facing products Familiarity with BFF patterns and Node.js APIs Comfortable shipping to the App Store/Google Play Production experience at scale Good debugging habits and attention to detail Nice bonuses: Native mobile (Swift/Kotlin) Any exposure to Web3 or More ❯

someone who’s excited about owning big pieces of product from day one. The team is looking for a Design Engineer who can help shape their mobile app and overall user experience. If you enjoy working closely with design, turning complex flows into something incredibly simple for users, and being part of a product still early in … its journey, this could be a great fit. What you’ll be working on: Taking the lead on their React Native app across iOS and Android Building and integrating with backend APIs Setting up CI/CD, testing, monitoring, and general production-ready infrastructure Handling sensitive data securely (auth, KYC/AML) Improving app performance and reliability Collaborating … someone comfortable owning problems end-to-end Strong background in React Native & React Experience with consumer-facing products Familiarity with BFF patterns and Node.js APIs Comfortable shipping to the App Store/Google Play Production experience at scale Good debugging habits and attention to detail Nice bonuses: Native mobile (Swift/Kotlin) Any exposure to Web3 or More ❯

someone who’s excited about owning big pieces of product from day one. The team is looking for a Design Engineer who can help shape their mobile app and overall user experience. If you enjoy working closely with design, turning complex flows into something incredibly simple for users, and being part of a product still early in … its journey, this could be a great fit. What you’ll be working on: Taking the lead on their React Native app across iOS and Android Building and integrating with backend APIs Setting up CI/CD, testing, monitoring, and general production-ready infrastructure Handling sensitive data securely (auth, KYC/AML) Improving app performance and reliability Collaborating … someone comfortable owning problems end-to-end Strong background in React Native & React Experience with consumer-facing products Familiarity with BFF patterns and Node.js APIs Comfortable shipping to the App Store/Google Play Production experience at scale Good debugging habits and attention to detail Nice bonuses: Native mobile (Swift/Kotlin) Any exposure to Web3 or More ❯

Founding Engineer (Full Stack) At CLIQ, we’re on a mission to bring people together in the real world. Forget endless swiping and small talk that goes nowhere, our app helps people discover events, meet like-minded individuals, and join communities that matter. We’ve launched the first version of the app and early users are already building … features across frontend, backend, and infrastructure. Define technical standards, architecture, and engineering culture that will scale with the product. Build features like event creation, map-based discovery, and in-app notifications, quickly incorporating user feedback. Partner with founders, designers, and early team members to turn product ideas into a seamless experience. Ensure reliability, performance, and security as we grow … products from zero to one, ideally in a startup environment. A builder’s mindset: pragmatic, hands-on, and motivated by ownership. Nice to Have Experience with mobile app build and release pipelines (App Store, Play Store). Familiarity with CI/CD, Docker, and cloud-native workflows (ideally in GCP). A track record of building More ❯

About Sayvr Sayvr is an AI-powered mobile app that lets users scan food, meals, groceries, or receipts with their camera to instantly get personalized recipes, detailed nutrition tracking, and smart shopping lists. We’re a fast-growing team making food and nutrition simple, fast, and delightful. About the Role We’re looking for a talented UX …/UI designer with strong mobile expertise (bonus graphic design skills to own the design of our iOS and Android apps). You’ll focus on creating seamless camera-scanning experiences, recipe flows, nutrition dashboards, and everyday user journeys that feel intuitive and magical. Key Responsibilities - Design core mobile features: camera scanning, real-time food detection … research to iterate and improve key metrics - Bonus: Create graphic assets (icons, marketing visuals, illustrations) as needed Requirements - 3–5+ years UX/UI design experience with consumer mobile apps - Deep knowledge of mobile UX patterns (camera interfaces, tab bars, gestures, haptics, keyboard handling, stack navigation) - Expert in Figma or other design tools - Familiar with iOS More ❯

perfect designs with obsessive attention to detail Collaborate closely with design teams to bring concepts to life with technical excellence Develop and maintain features across our mobile app and Next.js web platform Build robust, scalable solutions that handle our rapidly growing user base Optimize performance and ensure smooth user experiences across all platforms Integrate with AI/… cases, and delightful moments Prototype and iterate on new features with a user-first mindset Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/… Developer Hybrid: Someone who thinks like both a developer and an interaction designer Game/Gamification Background: Experience in gamified applications where engagement and user delight are paramount Consumer App Experience: Background building apps that users love and use daily Educational Interest: Passion for education and learning, though specific EdTech experience isn't required Startup Mindset: Thrives in fast More ❯

clean, efficient, and testable code, deploying across cloud environments. Act as a technical mentor and gatekeeper for production environments. Debug, optimise, and continuously improve performance across web and mobile applications. Requirements for Success: Proven experience working on backend development using Python, with the versatility to work across frontend projects. Solid cloud experience and understanding of cloud architecture. Exposure More ❯

product, delivering an instant, network-verified trust indicator to a user's device in the moments before they answer the call. This is not a standard mobile app role; it is a deep, real-time systems challenge that requires you to architect and implement a high-performance, secure, and reliable solution that integrates directly with the Android … implementation of our sub-500ms Time-to-Trust (TtT) metric. You will be the driving force behind the trust in our product, working at the intersection of native mobile engineering, real-time data processing, and client-side security. This position offers a unique opportunity to build a category-defining security product from the ground up, leveraging proprietary, network … a critical, non-negotiable skill for this role. ? Proven experience building high-performance, real-time user interfaces that are deeply integrated with the Android OS. ? Strong understanding of mobile security principles and best practices, including secure data storage, network communication (mTLS), and threat modeling. ? Proficiency in consuming RESTful APIs and real-time data streams (e.g., WebSockets) in a More ❯

data visualisations (using tools like D3 . js or Three . js ) focus on elegant, clean UX and delightful interactions develop their new, upcoming React Native mobile app They're ideally looking for someone with: 3+ years experience using TypeScript/React building modern web or mobile apps Good knowledge of CSS , semantic markup, and More ❯

Developer, Business Development, Website, Web Design, Front End, Back End, Full Stack, Computer Programmer, Computer Systems Engineer, Systems Analyst, Programmer Analyst, Database Administrator, Front-end Developer, Mobile App Developer, Software Developer, Data Scientist, Cloud Engineer. More ❯

team focused on building the next-gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated More ❯

operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile apps for the iPhone and Android market, the latter of which has been featured on Google Play. They have created a real buzz in the industry have been written More ❯

team What we’re looking for Experience testing mobile apps on iOS and/or Android (hands-on in a product/web/mobile app environment) Strong eye for detail and a user-centric mindset Familiarity with agile methodologies, JIRA/issue tracking, and test case management Ability to write clear, reproducible bug reports … and communicate effectively with cross-functional teams Optional but nice-to-have: basic automation scripting, API testing, performance testing, accessibility testing Bonus: knowledge of mobile devices, OS versions, and real-device testing vs. emulators/simulators What you’ll bring A collaborative mindset and a passion for quality Curiosity, initiative, and a bias for action Comfort working in … automation Culture: inclusive, transparent, and focused on experimentation and iteration Perks: flexible hybrid/remote options, competitive compensation, health benefits, and wellness stipends Tech you’ll touch: modern mobile stacks, cloud services, and a culture that values experimentation Role details Location: Remote or Hybrid (your preferred timezone) Type: Full-time Reports to: QA Lead/Head of Engineering More ❯

full-stack 'bank or building-society-in-a-box', delivering all the functionality needed to run and grow a modern, digital-led financial institution, including native mobile app and web experience, servicing, core and all the back-end technologies, integrated in a single, cloud-native solution (“Bank-in-a-Box”). Monument Technology provides everything in one More ❯

will hire and lead a small team. You’ll own the UX vision and strategy, lead the creation of their first design system and elevate the quality of their app-first experience across the full customer journey and all touch points. The Product Design Lead will be responsible for: Setting the strategy and vision for all digital touch points … Driving improvements across their mobile app (iOS & android), booking flow, payments and innovation areas linking digital and physical experience Leading the creation of a scalable design system Staying hands-on with interaction, UI and visual design Working in close collaboration with Product, Engineering, Marketing, Brand and Insights In time, hiring and leading a small team The Product More ❯

with the CPO and Product Lead, as well as an external design agency, you will have the opportunity to work on a complete re-design of a global B2C app and website. This is an exciting opportunity from a design perspective, as you will be able to shape a fast growing sports app. The app will provide users … to-market functions, to ensure our products meet customer needs, market demands, and company goals. Experience and knowledge You have worked on both consumer web and mobile app products, ideally with elements of gamification/rewards/tokens etc. Proficiency in all facets of design, including user personas, user journeys, interaction flows, visual and information hierarchy, wireframes … prototypes, high-fidelity UX specs, micro-interactions, and responsive design for both web and mobile You possess a strong instinct around customer needs and use those instincts to help inform decisions. You build on those instincts with user research, ensuring that user feedback is actionable and utilizing data and feedback to validate or adjust designs You are an More ❯

to scale. Their personalised platform gives their consumers access to shop for the best beauty products on the market and with the launch of their new mobile app, this role will be helping to shape the future of their web and mobile apps to offer the best experience to their loyal customer base. You’ll … a wide remit across platforms enabling you the opportunity to create brand-forward digital experiences for their customers. What will you be doing: Lead design across their web and app to deliver end-to-end UX features for customer engagement, product discovery and retention Use customer insights, data and research to shape decisions and create high-performing experiences Work … the brands identity into digital experiences that achieve business goals What are they looking for: Experience within UX design and cross-platform – you’ve designed both web and mobile features in a B2C or D2C environment Comfortable working with data and insights to guide decisions and experienced in customer research methods Good experience in stakeholder management Comfortable running More ❯

down the stack, working with a consultancy for infrastructure-related work and designers on the front-end. They also need someone capable of building out their mobile app in 2026, so React Native experience is required. This is a great opportunity to own the end-to-end product engineering scope of work and make a big impact. More ❯

freedom. You will build our next generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and mobile domains. It's an opportunity to design, architect and build a modern frontend using latest technologies and best practices to transform our savings and investment platform. The UCX team … of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively, always focused on customer outcomes and short … with at least 3+ years in engineering leadership , ideally within regulated, large-scale environments such as Investment, Asset, or Wealth Management. Proven track record of leading frontend and mobile engineering teams , delivering high-quality applications in React/React Native , Swift (iOS) , and/or Kotlin (Android) . Strong understanding of secure API integration , authentication flows , and modern More ❯