126 to 150 of 344 Mobile App Jobs in London

Senior UI Designer – App focused role. Up to £x + bonus + excellent benefits Hybrid – London (2 days a week in office) An award-winning, fast-growing technology company is looking for a Senior UI Designer to join their expanding product design team. The business provides complex SaaS solutions to major clients in highly regulated industries, with design deeply … embedded in its culture and strategy. As a Senior UI Designer , you’ll create clean, intuitive, and visually engaging experience across mobile and other platforms — helping drive major product improvements and new feature launches. You'll also take a leading role in evolving and expanding the company’s design system. Key Responsibilities: Craft pixel-perfect, intuitive user interfaces … to a culture of design excellence. Skills & Experience: 5+ years' professional experience as a UI/visual designer across digital platforms, with decent exposure to mobile/app work. A strong visual style, with expertise in typography, layout, and hierarchy. Hands-on experience working with and contributing to complex design systems. Excellent skills in Figma and related More ❯

Senior UI Designer – App focused role. Up to £x + bonus + excellent benefits Hybrid – London (2 days a week in office) An award-winning, fast-growing technology company is looking for a Senior UI Designer to join their expanding product design team. The business provides complex SaaS solutions to major clients in highly regulated industries, with design deeply … embedded in its culture and strategy. As a Senior UI Designer , you’ll create clean, intuitive, and visually engaging experience across mobile and other platforms — helping drive major product improvements and new feature launches. You'll also take a leading role in evolving and expanding the company’s design system. Key Responsibilities: Craft pixel-perfect, intuitive user interfaces … to a culture of design excellence. Skills & Experience: 5+ years' professional experience as a UI/visual designer across digital platforms, with decent exposure to mobile/app work. A strong visual style, with expertise in typography, layout, and hierarchy. Hands-on experience working with and contributing to complex design systems. Excellent skills in Figma and related More ❯

regulated industries, with design deeply embedded in its culture and strategy. The client As a Senior UI Designer , you'll create clean, intuitive, and visually engaging experience across mobile and other platforms - helping drive major product improvements and new feature launches. You'll also take a leading role in evolving and expanding the company's design system. The … role Craft pixel-perfect, intuitive user interfaces for mobile applications, as well as tablet, apple watch applications. Create high-fidelity mockups, prototypes, UI illustrations, icons, and graphic assets. Help develop and maintain a scalable design system supporting a broad product suite. Ensure designs meet accessibility standards Work closely with UX Designers, Product Managers, and Engineers in an agile … to a culture of design excellence. The candidate 5+ years' professional experience as a UI/visual designer across digital platforms, with decent exposure to mobile/app work. A strong visual style, with expertise in typography, layout, and hierarchy. Hands-on experience working with and contributing to complex design systems. Excellent skills in Figma and related More ❯

s premises or hosted in the cloud. The system mainly runs on Windows Servers when installed locally, and on Linux when running in the cloud. Our mobile app products run on iOS and Android mobile devices and use APIs to receive content. The mobile apps operates as our customer’s app so … for example. Responsibilities include Providing first-line technical support to our customers and own and manage reported issues until they are resolved. These customers could be using our mobile apps or our broadcast studio systems. Working with our customers to resolve issues in a friendly and constructive way and involving the development team where necessary. Pro-actively working More ❯

lead in banking innovation. How you will contribute and key responsibilities: As a Senior Security Engineer, you will be instrumental in designing and implementing security measures for our mobile applications, services, and websites to meet the highest security standards. Your expertise will help us continuously analyse and improve our security systems, ensuring that our products and services are … best practices and security standards for the organisation, guiding teams in the implementation of secure coding practices. Secure Design: Collaborate with development teams to ensure that web and mobile front-ends, as well as microservice architectures, are designed with robust security measures in mind. Risk Management and Compliance: Assist teams in ensuring that products and services are secure … should also have a proven experience and knowledge with any combination of the following: Threat modelling and risk assessments, Working knowledge of secure coding principles (OWASP and OWASP mobile, SANS ), Experience with designing and administering identity management (authentication and authorisation including policy enforcement points, token services, protocols such as OAuth2), Working knowledge of cryptography including encryption, signing and More ❯

creativity and initiative to improve product coverage and effectiveness • Knowledge of industry standard test automation tools and experience developing product test harnesses • Experience with Android, iOS or other mobile application development or testing • Strong experience in Python, Java, C, and C++ • Experience with open source tools and resources • Experience working closely with development and business teams. Key job … of quality assurance engineering experience - Experience in manual testing - Experience in automation testing - Experience in UI and API automation testing (Selenium/SOAPUI) PREFERRED QUALIFICATIONS - Experience in API & Mobile testing - Experience designing and planning test conditions, test scripts, and test data sets to ensure appropriate and adequate coverage and control Our inclusive culture empowers Amazonians to deliver the More ❯

in enhancing the lives of patients with chronic diseases. We are on a mission to bring the first Hybrid Drug to market: a groundbreaking therapeutic entity that integrates mobile apps with traditional medication. We need your expertise to help us achieve this goal. If you're passionate about applying gaming techniques in healthcare to improve patient outcomes, read … team in person. Responsibilities Technical Leadership Collaborate with product managers, designers, and healthcare professionals to define features and functionality. Architect and develop scalable apis, ensuring seamless integration with mobile and backend systems. Application Development Develop and maintain both frontend and backend components of our healthcare platform. Build responsive, high-performance user interfaces using modern frameworks Design and implement More ❯

Analyse issues reported by partners and provide feedback and requirements to product management team as necessary Demonstrate a passion for developing well architected, elegant, web and/or mobile apps that solve a real customer need. Architect and develop web, software, mobile apps, prototypes, sample code, or proofs of concepts (POCs). Act as the technical … bug fixes and integration issues. Required Skills: BS/MS in computer science or equivalent work experience. 5+ years experience designing and/or developing web, software, or mobile applications for small business or consumer finance management. Strong relationship building to partner, collaborate and influence. Passion or understanding of the SMB customer. Expertise with one or more of More ❯

future of travel. Trainline enables 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 visits and £5.9 billion in … day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning More ❯

future of travel. Trainline enables 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 visits and £5.9 billion in … day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning More ❯

and supports: - Home automation integrations (to batteries, hot water systems and pool pumps, with EVs coming soon) that control electricity usage in response to pricing and renewable availability - Mobile & Web … apps for customers to monitor and manage their energy usage - A pricing and billing engine for real time energy pricing The tech stack is React Native mobile app , some React web frontends , and a Serverless Lambda backend on AWS . We're using Typescript top to bottom , and Apollo GraphQL sits in the middle. We keep our … wider company to ensure you're always shipping the right thing the right way at the right time Mentor and support other members of the engineering team Support the app across the whole lifecycle from idea through to production The role will see you working directly with external clients while collaborating across internal teams, including leadership, product, design, and More ❯

future of travel. Trainline enables 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 visits and £5.9 billion in … day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning More ❯

future of travel. Trainline enables 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 visits and £5.9 billion in … day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning More ❯

Search, Books Detail page, Intelligent customer recommendations & new Store and purchase experiences. The Reader team is working on reader experiences across multiple surfaces including e-Ink, Desktop and Mobile apps and also pre and post read related actions. Check out this video to learn more about the Kindle team: Amazon Business (AB) Aims to become the most customer More ❯

positive user experiences. Act as the voice of the customer and user in internal product development discussions. Develop comprehensive user flows, wireframes, mockups, and high-fidelity prototypes for mobile applications incorporating voice AI technology. Take primary design ownership of novel AI interaction patterns, including the real-time call screening interface and AI-generated call summaries. Design a clear … design decisions and validate solutions through usability testing. Rapidly iterate on designs based on feedback to support our aggressive MVP timeline. Work closely with the Product Manager and mobile engineers to ensure accurate implementation of designs while maintaining usability. Participate in design review sessions and stakeholder presentations to communicate design rationale. Collaborate with AI/ML engineers to … and market expansion. Qualifications Required Qualifications Bachelor's degree in Design, Human-Computer Interaction, or related field. 3+ years of professional experience in UX/UI design for mobile applications. A strong portfolio demonstrating clean, intuitive interface designs and end-to-end design processes. Proven experience designing complex, consumer-facing mobile applications for both iOS and More ❯

positive user experiences. Act as the voice of the customer and user in internal product development discussions. Develop comprehensive user flows, wireframes, mockups, and high-fidelity prototypes for mobile applications incorporating voice AI technology. Take primary design ownership of novel AI interaction patterns, including the real-time call screening interface and AI-generated call summaries. Design a clear … design decisions and validate solutions through usability testing. Rapidly iterate on designs based on feedback to support our aggressive MVP timeline. Work closely with the Product Manager and mobile engineers to ensure accurate implementation of designs while maintaining usability. Participate in design review sessions and stakeholder presentations to communicate design rationale. Collaborate with AI/ML engineers to … and market expansion. Qualifications Required Qualifications Bachelor's degree in Design, Human-Computer Interaction, or related field. 3+ years of professional experience in UX/UI design for mobile applications. A strong portfolio demonstrating clean, intuitive interface designs and end-to-end design processes. Proven experience designing complex, consumer-facing mobile applications for both iOS and More ❯

technical leaders who thrive on: Writing Code Daily: 50%+ of your time spent actively building scalable solutions with Node.js, Vue.js, PostgreSQL, and AWS. Solving Real Problems: From mobile apps in legal tech to enterprise workflow automation - our users build things that matter. Guiding the Team: You'll lead a team of 10 engineers, shaping architectural decisions, reviewing … while still being hands-on Deep experience in Node.js , Vue or React , PostgreSQL, and AWS Strong grasp of DevOps , CI/CD, and secure SDLC practices Comfort with mobile (Cordova, iOS/Android) and responsive design Bonus: experience with multi-tenant SaaS, low-code platforms, or real-time features Why Join Fliplet? Make a Mark : Your code and More ❯

Management (PAM) for secure and seamless player experiences Draw-Based Games (DBG) for classic lottery draws Nexus Aggregator & Apollo RGS for e-Instants and Fast Play games Web & mobile applications for an enhanced and modern user experience Command Admin Portal for streamlined operations Optex Promotions to reward and engage players With a focus on cloud-based technologies, AI More ❯

partners. You're at the frontline helping some of the world's biggest and most innovative global businesses create the next generation of digital experiences through personalized websites & mobile applications using AI powered APIs and SDKs of Bloomreach's Digital Experience Platform (brXM). We are looking for someone who combines deep technical hands-on knowledge with creativity More ❯

Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa . It is backed ( $200M in funding ) by VCs from Silicon Valley, Europe and other parts of the world. … where you will promote your skills to be an expert in complex frontend development in iOS (swift and swiftUI) native platforms. Your primary focus will be development of mobile applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to a … highly dynamic environment, where root cause analysis and rapid collaborative problem solving, sophisticated design, and the creation of quality products are required. TASKS Design and build mobile applications for iOS. Ensure the performance, quality, and responsiveness of applications Collaborate with a team to define, design, and ship new features Identify and correct bottlenecks and fix bugs Help maintain More ❯

developing a fantastic team, and would love it for you to join us. As an iOS Developer you will be responsible for creating fast, fluid, responsive and reliable mobile applications that provide our customers a rewarding experience. You'll also play a key technical leadership role, working closely with architects, product managers, and cross-functional teams. You'll … Cocoa Touch and other Apple frameworks Being self-driven and working with little supervision towards a common team or company purpose. Creating fluid visual interactions, creating and implementing mobile user experience patterns Having a sense of craftsmanship in what you produce, seeking the best solutions and being proud of the final outcome Keeping up with the latest trends … sharing knowledge and leading by example You are good at Agile mindset and methodologies such as Scrum and Kanban. Developing and maintaining iOS applications from the requirements to the App Store. Producing clean and organized code, taking advantage of software design patterns, architectural patterns and data structures. Nice to have Experience with FRP framework (ReactiveCocoa, RxSwift, etc) Experience with More ❯

I'm currently recruiting for a Mobile Test Automation Engineer to join an exciting and growing client of mine who develop software within the residential and commercial building space. You’ll be joining the nicest bunch of people and the role offers hybrid flexibility, with just 2–3 days per month required in their Bristol office , the rest … of the time, you’re free to work remotely.You’ll be joining a small, collaborative QA team that’s now expanding to strengthen its automation capabilities across their mobile product suite. They’re specifically looking for someone with automation experience testing React Native applications on both iOS and Android platforms.This is a fantastic opportunity for someone who’s … members at on different levels of their automation journey, so there may be times when your role may involve coaching and mentoring junior members of the team around mobile automation.Key Responsibilities Design and build scalable, maintainable mobile test automation frameworks for React Native apps. Develop end-to-end, integration, and UI tests using tools such as More ❯

you're excited about making an immediate impact and shaping the future of property management, explore career opportunities with us at Plentific. The Role As a Quality Engineer, Mobile, you'll be a key contributor to the quality of our flutter-based mobile apps. You'll drive quality across the development lifecycle, from identifying test scenarios … regression tests to providing test execution reports and participating in release readiness decisions. In addition to hands-on testing and automation using Maestro, you'll contribute to our mobile test platform strategy and test data generation using scripts. You'll also work on API validation using tools like Postman, and help mentor other team members to raise the … overall quality bar. Responsibilities Identify and implement acceptance and regression test cases from product requirements. Design and maintain automated test suites for Mobile apps using Maestro. Build and evolve mobile test automation platforms supporting local and cloud execution. Create and maintain test data through seed scripts. Execute and validate backend API requests using Postman, ensuring correct More ❯

innovation. If you're excited about making an immediate impact and shaping the future of property management, explore career opportunities with us at Plentific. The Role As a Mobile Quality Engineer, you'll be a key contributor to the quality of our flutter-based mobile apps. You'll drive quality across the development lifecycle, from identifying … regression tests to providing test execution reports and participating in release readiness decisions. In addition to hands-on testing and automation using Maestro, you'll contribute to our mobile test platform strategy and test data generation using scripts. You'll also work on API validation using tools like Postman, and help mentor other team members to raise the … overall quality bar. Responsibilities Identify and implement acceptance and regression test cases from product requirements. Design and maintain automated test suites for Mobile apps using Maestro. Build and evolve mobile test automation platforms supporting local and cloud execution. Create and maintain test data through seed scripts. Execute and validate backend API requests using Postman, ensuring correct More ❯

Full-time Permanent Reporting to VP Engineering About Hyper SQ Hyper SQ is seeking a talented App Engineer to join our dynamic, fast-paced team. Join a multidisciplinary environment that fosters innovation and contribution, utilizing the latest techniques to create impactful experiences for our users and business success. What You'll Be Doing Collaborate within an Agile team to … develop innovative mobile applications that encourage user exploration. Drive application development to deliver exceptional user experiences. Promote best practices such as reusable code, comprehensive test coverage, and automation. Participate in design and code reviews. Engage actively in refinement and planning sessions. Work effectively in a team, adapting and influencing team … practices. Optimize applications for speed and scalability. Skills & Requirements Expertise in Swift; familiarity with Swift UI is a plus. Proven experience developing high-quality consumer iOS apps. Understanding of app deployment to the App Store. Experience working with APIs (REST/GraphQL) in service-based environments. Knowledge of mobile design systems and component libraries. Preferred Extras More ❯