1 to 25 of 121 Mobile App Jobs in London

User Experience Manager – Mobile App Portfolio (Hybrid, London) | Up to £70k (plus Discretionary Bonus) Our client is a fast-growing app led health and wellness business with millions of users worldwide. They are looking for an experienced User Experience Manager to lead UX across their mobile app portfolio, shaping intuitive, engaging journeys that genuinely improve users' lives. This is a senior role that blends strategy with hands on delivery in a highly collaborative product environment. You will take ownership of the UX vision and standards across the apps, working closely with product, design ...

Role: Mobile App Developer with Flutter Type: Contract (6 Months) Location: UK (Fully Remote) MUST HAVES: Proficient in Flutter/React Native/MAUI , Mobile App Payment Services , strong API consumption, and App security best practices. Work in an agile team on high ...

Role: Mobile App Developer with Flutter Type: Contract (6 Months) Location: UK (Fully Remote) MUST HAVES: Proficient in Flutter/React Native/MAUI , Mobile App Payment Services , strong API consumption, and App security best practices. Work in an agile team on high ...

TryHackMe is entering an exciting new chapter: bringing our platform to mobile for the first time. We're building a lightweight companion app that helps learners stay engaged, practise skills on the go, and deepen their connection with the THM ecosystem. This role sits at the heart … mobile" actually means. There's no legacy, no inherited constraints — you'll be building the foundations, the architecture, and the app experience from scratch. It's a rare opportunity to own a greenfield mobile product at a fast-growing company with millions of users, helping ...

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 Now Europe's number 1 downloaded rail app, with over 125 million monthly … also be taking a proactive role and owning some of our ongoing projects like the development of GA4 and GTM Server Side across App and Web. What will you be working on? Own the tagging & tracking strategy across web, mobile, and app platforms (client-side ...

themselves, live in the moment, learn about the world, and have fun together. The Company's three core products are Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world; Lens Studio, an augmented reality platform that powers AR across Snapchat and other services … glasses, Spectacles. We're seeking a strategic and data-driven Account Manager with hands-on experience managing app advertisers and in-app funnel campaigns. In this role, you will partner with leading app-based businesses to develop, execute, and optimize advertising strategies that deliver measurable results — from ...

across the stack: TypeScript, React Native, React, Node, Postgres, GCP/Firebase A genuine full-stack mindset: happy working in the mobile app, web apps, backend, and writing SQL when needed Confident writing efficient, production-ready code - fast, reliable, observable, and easy to maintain Comfortable with … time zones Deep practitioner of AI powered SWE tools (Cursor, Windsurf, v0, etc.) and excited to push productivity to the limit Tech Stack: Mobile Apps: (TypeScript, React Native, Expo) Backend: (TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma) Web Apps: (TypeScript, React, Vercel) Internal ...

across the stack: TypeScript, React Native, React, Node, Postgres, GCP/Firebase A genuine full-stack mindset: happy working in the mobile app, web apps, backend, and writing SQL when needed Confident writing efficient, production-ready code - fast, reliable, observable, and easy to maintain Comfortable with … being a strong individual contributor; be technically strong in order to make sure the full stack is robust. What our client is building: Mobile Apps: their core customer apps where members buy the product (TypeScript, React Native, Expo) Backend: (TypeScript, GCP/Firebase Cloud Functions, GCP Pub/ ...

Senior Android App Developer A leading retailer are looking for a Senior Android App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior Android App Developer, you will be responsible for building … maintaining the Android version of the app, ensuring it delivers a pixel-perfect, performant, and luxury-aligned experience for customers. You will be a high-performing developer who thrives on clean architecture, elegant code collaborative delivery whilst working as part of an Agile cross-functional team. Skills and Experience ...

features to expand the community's reach What You'll Do Build, maintain, and iterate on a cross-platform mobile app using React Native Integrate with blockchain/crypto backends (Solana RPC, wallet connectors, Web3 APIs) Implement real‐time features: live updates, WebSockets, subscription streams Handle … app state management, offline caching, synchronization, data persistence Ensure high performance, smooth animations, responsiveness even under high load Participate in code reviews, mentoring, architectural decisions Contribute to product & UX design discussions — help shape what features the app offers Skills Must‐have: Proven experience building and shipping React Native ...

phase as they transition into a tech first company. This React Native Developer will be improving and enhancing a well established Mobile app that sits at the core of their product ecosystem, used globally by customers diversifying into a unique, luxury-focused investment class. … testing They're looking for: Strong commercial React Native, React & TypeScript experience (2-3+ years experience) Proven track record shipping apps to the App Store & Play Store Experience with CI/CD pipelines Solid mobile testing (unit, integration, device) Good documentation practices If this sounds like ...

security best practices Background in SaaS or consumer-facing tech is a big plus Bonus Points For React Native know-how Mobile app development (iOS, Android), Expo Experience with event-driven systems and distributed architecture Familiarity with tools like GCP (GKE, PubSub, BigQuery), Temporal, Postgres, CircleCI, ArgoCD ...

security best practices Background in SaaS or consumer-facing tech is a big plus Bonus Points For React Native know-how Mobile app development (iOS, Android), Expo Experience with event-driven systems and distributed architecture Familiarity with tools like GCP (GKE, PubSub, BigQuery), Temporal, Postgres, CircleCI, ArgoCD ...

B.E/B.Tech/MCA in Computers or Equivalent -Experience/skills in any of the following areas will be an added advantage: -Mobile application development -MS Azure -Docker/Kubernetes Note - SC security clearance and experience working on Government project ...

B.E/B.Tech/MCA in Computers or Equivalent -Experience/skills in any of the following areas will be an added advantage: -Mobile application development -MS Azure -Docker/Kubernetes Note - SC security clearance and experience working on Government project ...

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 ...

Founding Engineer – Mobile & AI (Stealth Start-up | Launching 2026) Location: Remote Type: Full-Time/Founding Team Salary: Competitive compensation (salary + meaningful equity) Start Date: Jan 2026 About the Company: Our client is a stealth start-up launching publicly in 2026, building an AI-powered personal transformation … beautifully polished, high-performance mobile experience used by people around the world. What you will own: Build the mobile app from scratch Implement a delightful, world-class user experience centred on: Real-time voice interaction AI-powered feedback and insights Daily habit-building loops Smooth ...

Founding Engineer – Mobile & AI (Stealth Start-up | Launching 2026) Location: Remote Type: Full-Time/Founding Team Salary: Competitive compensation (salary + meaningful equity) Start Date: Jan 2026 About the Company: Our client is a stealth start-up launching publicly in 2026, building an AI-powered personal transformation … beautifully polished, high-performance mobile experience used by people around the world. What you will own: Build the mobile app from scratch Implement a delightful, world-class user experience centred on: Real-time voice interaction AI-powered feedback and insights Daily habit-building loops Smooth ...

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 Android application using Kotlin. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and eNicient code, which follows best practices … 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 ...

Requirements: Next.js: Proven experience building scalable, performant web applications with server-side rendering and API integrations. React Native: Ability to develop and maintain mobile apps across iOS and Android platforms. Web3 (Preferred): Familiarity with blockchain, smart contracts, and decentralised applications is a plus. Strong proficiency in modern JavaScript ...

breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing. Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital … role involves working in a dynamic environment with a diverse team of senior backend developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences. ...

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. ...

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. ...

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. ...

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. ...