551 to 575 of 942 Permanent Mobile App Jobs

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 ❯

Software Engineer required for a growing company with a high-volume customer facing website with over 1m annual customers. You'll be working across cloud-based software and mobile applications using TypeScript & React frontend with ExpressJS and PostgreSQL backend. The Full stack Software Engineer will focus on new product and feature development, playing a key role in a … processes and principles. Essential Skills Full stack software development (3-5 years+) Typescript and ReactJS PostgreSQL SOLID principles DevOps understanding Desirable experience High traffic customer facing website or marketplace app experience AWS and Infrastructure as code Next JS or Express JS CI/CD pipeline management Flexibility: The hours are flexible, the working environment is relaxed, and you'll 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 ❯

providing them with the right tools, frameworks, and infrastructure. You will be expected to drive forward test development, advising wherever required, on best practices. Responsibilities vary from web, mobile and web service wherever required, therefore you will require an in depth understanding of test automation approaches and methodologies as well as a good understanding of web and mobile … on top of the latest technology advancements in the test development space, allowing you to influence our future test infrastructure and architecture. You must have: Knowledge ofweb and mobile technologies Experience with test frameworks and automation tools Knowledge and experience in automated web, mobile application and RESTful service testing A passion for test infrastructure, test architecture More ❯

days, to ensure that employees are able to make the job work around their other life commitments. To Be Considered... 2+ years of experience in Android Mobile App Development Experience with Kotlin, Jetpack Compose and MVI Strong communication skills Experience working in a fast-paced environment Experience with Unit Testing/TDD would be beneficial As mentioned More ❯

in the following specialisms: C#/.Net Software Engineering C#/.Net is widely used across various industries, favored by Software Engineers for web, desktop, and mobile app development. C++ C++ is a prevalent language for building large, efficient, and reliable software infrastructure and applications with limited resources. Java Java is popular in London and Cambridge's More ❯

tools. Demonstrated ability to scale technical teams and deliver complex software projects on time and on budget. Experience in creating solutions that have cloud, web, and mobile app components. In-depth knowledge of cybersecurity, data privacy regulations, and compliance standards. In-depth knowledge of various AI methodologies and learning algorithms. Proven experience in various programming languages like More ❯

across the globe with diverse challenges including corporate flight departments, brokers, medical providers, military and business aviation operators. Solutions are provided through innovative web delivered software and connected mobile applications. Responsibilities: Lead security operationsacross our product and cloud environment (Azure), working closely with DevOps and engineering to ensure security best practices are followed. Manage external relationshipswith security providers More ❯

and extracting business insights. Ability to navigate ambiguity and adapt in a rapidly evolving business landscape. Strong stakeholder management skills for internal and external stakeholders. Experience working with mobile apps and enterprise services. Knowledge of biometrics or identity software is advantageous. Proven track record of resolving issues collaboratively across functions. Confident relationship builder with customers and internal teams. More ❯

and implementation of booking payment, fulfilment and management systems AI-powered solutions to assist customers pre and post booking Best in class, modern user experience through web and mobile applications For a better understanding of our work, refer to some of our blog posts . Or our open source contributions: As part of our tech culture we continuously More ❯

engineer who's comfortable working across our stack. Your focus will be on backend systems, but you'll also be open to occasionally contributing to our frontend or mobile apps. You'll help shape what we build, not just how we build it. About Ember We're building the future of public transport - convenient, affordable, connected and zero … technologies: Python for our backend code Postgres for data storage Redis for caching Kafka for stream processing React for our frontend Clickhouse for analytics SwiftUI for our Driver iOS App AWS, Terraform, GitLab CI/CD, Docker and ECS to deploy and run our services Flutter for our on-board server running Android, which handles concession ticket validation with More ❯

We're looking for a Senior React Native Engineer to join our growing team and play a key role in building high-quality, scalable mobile applications used by thousands of users. You'll be part of a collaborative, forward-thinking engineering team working on a modern mobile stack, with the flexibility of remote-first working and … contribute to architectural decisions. Help shape development practices and mentor other engineers where needed. Ensure performance, quality, and responsiveness across both iOS and Android platforms. Solid understanding of mobile development principles and platform nuances. Experience integrating with REST APIs and third-party libraries. Proactive mindset, attention to detail, and excellent communication skills. Please apply now More ❯

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications. Using frameworks AngularJS or React, JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design. Responsibilities Designing, developing, and testing UI for mobile and web applications Build reusable code and More ❯

Senior React Native Engineer required by Fintech success story. Join the growing team and play a key role in building high-quality, scalable mobile applications used by thousands of users. You'll be part of a collaborative, forward-thinking engineering team working on a modern mobile stack, with the flexibility of remote-first working (UK only … contribute to architectural decisions. Help shape development practices and mentor other engineers where needed. Ensure performance, quality, and responsiveness across both iOS and Android platforms. Solid understanding of mobile development principles and platform nuances. Experience integrating with REST APIs and third-party libraries. Proactive mindset, attention to detail, and excellent communication skills. Superb package includes: 35hr week, bonus More ❯

Senior React Native Engineer required by Fintech success story. Join the growing team and play a key role in building high-quality, scalable mobile applications used by thousands of users. You'll be part of a collaborative, forward-thinking engineering team working on a modern mobile stack, with the flexibility of remote-first working (UK only … contribute to architectural decisions. Help shape development practices and mentor other engineers where needed. Ensure performance, quality, and responsiveness across both iOS and Android platforms. Solid understanding of mobile development principles and platform nuances. Experience integrating with REST APIs and third-party libraries. Proactive mindset, attention to detail, and excellent communication skills. Superb package includes: 35hr week, bonus More ❯

Senior React Native Engineer required by Fintech success story. Join the growing team and play a key role in building high-quality, scalable mobile applications used by thousands of users. You'll be part of a collaborative, forward-thinking engineering team working on a modern mobile stack, with the flexibility of remote-first working (UK only … contribute to architectural decisions. Help shape development practices and mentor other engineers where needed. Ensure performance, quality, and responsiveness across both iOS and Android platforms. Solid understanding of mobile development principles and platform nuances. Experience integrating with REST APIs and third-party libraries. Proactive mindset, attention to detail, and excellent communication skills. Superb package includes: 35hr week, bonus More ❯

is a fantastic opportunity if you're looking to progress your career as a React Native Developer, where you'll work closely with senior management, supporting on their mobile apps and specifically the UI components. What they're looking for: Proven experience working on mobile applications, using React-Native & Javascript technologies including Typescript and Next.js. Experience More ❯

is a fantastic opportunity if you're looking to progress your career as a React Native Developer, where you'll work closely with senior management, supporting on their mobile apps and specifically the UI components. What they're looking for: Proven experience working on mobile applications, using React-Native & Javascript technologies including Typescript and Next.js. Experience 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 ❯

identity and access management. You will have a strong foundation in CIAM concepts and protocols, paired with hands-on experience developing and operating secure applications in web and mobile environments. You will contribute to shaping and delivering our CIAM strategy, acting as a trusted advisor across engineering teams while delivering secure, scalable solutions that enhance user experience. With … for securing services with various token types (ID, Access, User) and define reusable patterns. Develop high-quality software using React, NestJS, and related technologies in both web and mobile contexts. Support micro frontend architecture including module federation and independently deployed pipelines. Ensure CI/CD pipelines support testing, automation, and streamlined deployment of identity-enabled services. Maintain high … Guild forums to raise standards in security, reliability, and engineering culture. Experience Required Technical Expertise Proven experience in a Senior Software Engineer role, delivering customer-facing web or mobile applications. Strong understanding of CIAM protocols including OAuth2, OpenID Connect, SAML, and SCIM. Hands-on experience with CIAM platforms (e.g., Auth0, ForgeRock, Okta, Ping Identity) including configuration and troubleshooting. More ❯

creative thinking to solve complex problems and make them seem simple Design production assets, infographics, logos and other elements Create engaging digital experiences, design interfaces for web and mobile applications Make seemingly mundane things interesting and exciting Support us scale and hone our digital design system Mastering storytelling techniques to help the business communicate effectively Bring your designs … experience is required) as well Adobe Creative suite and Microsoft tools like, Powerpoint, Excel, Acrobat. What you'll need Advanced visual design skills across platforms (iOS, Android, web, mobile). Strong systems thinking and meticulous attention to detail. Excellence in interaction design, visual design, and accessibility. Proficiency in tools: Figma, Adobe CC Skilled in prototyping, sketching, and concept More ❯

clients using their software across the globe. The technology department is made up of 5 product teams responsible for developing a suite of cloud based, web and mobile apps. Each team is cross-functional and works in a truly agile way, delivering small increments of value to their customers very frequently. This role sits within the team responsible More ❯