51 to 72 of 72 Mobile App Jobs in London

database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration: Partner with Frontend and Mobile engineers to deliver robust, scalable APIs. Continuous Improvement: Contribute to improving deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner …/XML integrations. Experience migrating serverless components (e.g., AWS Lambda) into Rails applications. Familiarity with Vue.js to support frontend collaboration. Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects ...

transformation programme where you will play an absolutely critical role. You will be working closely with the Head of Engineering to shape modern Mobile and Web technology that will transform how people invest and manage their finances. There wont be any line management involved in this role … senior business stakeholders. We're open to sector background, but it is essential you have significant experience designing and building customer centric mobile platforms using React Native and AWS. You'll play a key role in delivering a holistic and consistent client experience client journeys across a range ...

portfolio and global tech strategies. Working in the Design and Platform Performance domain, you willlead the technology side of web and mobile analytics for a platform with over 50 million visits each month, deliver the best user experiences and personalisation for talent and talent seekers. We built … DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce and mobile applications background Additional Information Were a community here that cares as much about your life outside work as how you feel when youre with us. ...

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: Lead the design, development, and maintenance of advanced iOS applications, ensuring high performance, quality, and responsiveness across Expedia … tools, or workflows and applying AI/ML concepts to real world products. Preferred Qualifications: Experience architecting scalable, complex, modular, and maintainable iOS mobile architectures, leveraging common design patterns such as MVVM or VIPER Advanced proficiency in SwiftUI - Skilled in multi-threading, concurrency, and performance optimisation Prior experience ...

Android (Kotlin) Engineer - London, Hybrid A major banking company are looking for an Android Engineer to work on mobile applications that are used by tens of millions of their cardholders around the world. They want someone with strong technical skills and creativity; someone who enjoys solving tough problems … these are not clear in your CV you will not be considered for the role) Must-Haves Strong Kotlin proficiency experience working on modern app architecture (distributed app structures, migrated codebases, modularised apps) Moderate to intermediate AI tooling adoption (experience using AI in engineering workflows) Strong Android fundamentals ...

work across modern backend architecture, building services that are fast, resilient, secure and built to scale , all while collaborating closely with product, mobile, and frontend teams. What You’ll Work On Designing and improving backend services that power web + mobile applications Building and maintaining high ...

Engineering, or a related field.. 2 years+ experience as a .Net Developer or similar role.. Strong proficiency in the .Net Stack.. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter.. Experience with software development methodologies such as Agile or Scrum.. Excellent problem-solving skills and attention … days in our stylish, modern and collaborative office close to East Croydon Station.. Company pension matching and bonus.. We offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn it.. Being part of more! We are part of a group ...

Engineering, or a related field.. 2 years+ experience as a .Net Developer or similar role.. Strong proficiency in the .Net Stack.. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter.. Experience with software development methodologies such as Agile or Scrum.. Excellent problem-solving skills and attention … days in our stylish, modern and collaborative office close to East Croydon Station.. Company pension matching and bonus.. We offer Stream - a money management app that gives you access to a percentage of your pay as you earn it.. Being part of more! We are part of a group ...

Vamoos is the app for travel companies that want to give their clients an exceptional, seamless experience. Used by hundreds of operators worldwide, we're changing how people connect with their journeys. We’re looking for a Head of Engineering to lead our team, drive technical progress, and help … with designing and managing/maintaining software architecture 3+ years of experience managing Software Engineering projects and teams Experience with the development of mobile applications on iOS/Android A solid technical understanding of cloud platforms, current programming practices and relevant technologies for large-scale online systems Experience ...

shaping architecture, and influencing long-term technical strategy in an early-stage, high-growth environment. You will be responsible for both backend and mobile development, while defining technical standards, scalability strategy, and product direction across the technical ecosystem. In this role you will: Own and evolve a Laravel … based REST API Develop and maintain a Flutter mobile application (iOS & Android) Design and implement secure, multi-tenant architecture Establish clean coding standards and engineering best practices Improve performance, scalability, and reliability Support deployment, CI/CD, and infrastructure decisions Take features from concept through to production Work ...

small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. We’re on the verge of solving one of the biggest challenges in education – making high-quality, personalised learning accessible … with large amounts of data in different modalities (text, video, images, audio) Work in a very cross-functional team, side by side with mobile developers, product managers, ML engineers, and designers Essential skills 🙏 Deep Python and AWS knowledge Architecture planning and estimation skills Experience with CI/ ...

talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you're passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: * Provide technical leadership and mentorship to a team … collaboration, innovation and facilitation to ensure best practices and high-quality code. * Design, develop, and maintain both front-end components of web and mobile applications using React, Angular, TypeScript, Bootstrap 5, HTML, CSS * Apply Test Driven Development (TDD) practices using tools such as Karma to ensure robust ...

Work with PostgreSQL and Prisma for data modeling and persistence Deploy and maintain services on Google Cloud Platform (GCP) Build and maintain mobile applications using Capacitor Style applications using Tailwind CSS (and maintain existing SCSS where needed) Write clean, maintainable, and efficient code across the stack Debug, troubleshoot … Stack Developer Hands-on experience with: Angular & TypeScript Express.js (or similar Node.js frameworks) PostgreSQL Prisma Tailwind CSS Google Cloud Platform (GCP) Capacitor for mobile development Comfortable working across both front-end and back-end codebases Experience working with APIs and structured data Familiarity with Git and common version ...

design to turn lean specs into scalable, user-loved software. We’re looking for a strong generalist with backend depth and real mobile experience. Responsibilities Implement features end-to-end (mobile + web frontend → APIs → data models → integrations) while maintaining quality and velocity. Build React Native … Evidence of shipping quickly in small teams (links to apps, repos, case studies, live products). Desired Node.js alongside Python for services or integrations. App Store/Google Play release experience. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration; MCP servers for integrations. ...

importance. The ideal candidate will have 2 or 3+ years’ experience as a UI/UX Designer, preferably with some experience working with mobile applications. As the sole UI/UX Designer, you will be working closely with the Software Development team to create an exceptional customer experience. … drive them forward as you see fit. Requirements: - 2+ years minimum UI/UX Designer experience - Strong graphics design experience, preferably with mobile experience. ...

Compensation: Up to £120,000 (Permanent) Location: Hybrid (UK-based) Tech Stack: React Native Leading the design and development of scalable, high-performance mobile applications using React Native Defining and driving mobile architecture decisions, best practices, and coding standards Owning features … from concept and design through to deployment and monitoring Collaborating with product managers, designers, and backend engineers to deliver seamless user experiences Improving app performance, reliability, and maintainability across the mobile platform Mentoring engineers and fostering a strong engineering culture within the team Influencing technical strategy ...

their business. Role Theyre seeking a motivated and detail-oriented UX Designer/User Researcher to support the design and research of their mobile-first products. Youll work closely with product managers, engineers, and senior designers to understand user needs, contribute to design systems, and create intuitive interfaces … excellent opportunity for someone who is eager to learn, grow, and make a real impact in an AI-focused environment. Key Responsibilities Design mobile-first user experiences and interfaces Create wireframes, user flows, and high-fidelity UI designs using Figma Translate user research findings into clear UX recommendations ...

accuracy, and overall stability of the LiDAR-to-portal pipeline. Key Responsibilities Own and improve the end-to-end LiDAR scan journey, for mobile capture Work on 3D room reconstruction using LiDAR data and render accurate models Identify, fix, and proactively improve issues in existing LiDAR … implementations Take responsibility for ongoing improvements without relying on legacy ownership Required Experience Strong experience building mobile applications that use LiDAR Hands-on experience with Apple’s RoomPlan/ARKit/LiDAR APIs Experience capturing spatial data and turning it into usable 3D room models Strong Swift/ ...

inside IR35 We're looking for a Digital Twin Developer to help develop immersive, interactive 3D digital twin experiences used across web and mobile applications. You'll work with modern technologies including Python, JavaScript, and TypeScript. What you'll do: Build immersive 3D digital twin models that power … engaging experiences across web and mobile applications Build interactive virtual tour features using Python, JavaScript, and TypeScript Optimise models for fast rendering and smooth performance across devices Ensure accuracy, scalability, and consistency across the digital twin pipelines Nice to have: Building agents/multi-agent systems Developing Retrieval ...

client require candidates to work on-site three days per week in West London. Responsibilities: Producing security assessments and generating evidence reports for mobile applications as per acceptance requirements set by the government agencies. The security assessment task includes testing applications in line with well-known industry standards … testing and hence development experience with programming languages such as Python is essential. Depending upon needs, support Android and Smartcard applications and mobile platform framework development tasks, in particular being responsible for functional specifications, requirements, design documentation along with supporting implementation and deployment, as necessary. Development of tools ...

looking for a strategic and technically-minded Digital Systems Owner to take ownership of a complex, multi-platform digital estate spanning web, mobile, and member-facing applications. This role would suit someone from a Product Owner, System Owner, or Technical Product Manager background who is comfortable operating … intersection of business and technology. Key Responsibilities Own and manage a multi-platform digital ecosystem (web, mobile, and member services) Define and drive both technical and business roadmaps Prioritise delivery based on business value and strategic outcomes Act as a bridge between stakeholders and technical teams, confidently challenging ...

looking for a strategic and technically-minded Digital Systems Owner to take ownership of a complex, multi-platform digital estate spanning web, mobile, and member-facing applications. This role would suit someone from a Product Owner, System Owner, or Technical Product Manager background who is comfortable operating … intersection of business and technology. Key Responsibilities Own and manage a multi-platform digital ecosystem (web, mobile, and member services) Define and drive both technical and business roadmaps Prioritise delivery based on business value and strategic outcomes Act as a bridge between stakeholders and technical teams, confidently challenging ...