101 to 125 of 302 Kotlin Jobs in the UK

Jetpack Compose with Material 3 for our UI, alongside a legacy of View/XML-based screens that we are progressively migrating. We use Kotlin Coroutines and Flow throughout the application stack for handling asynchronous operations, with RxJava retained in older parts of the codebase. We are transitioning from ...

services industry to design, build, and deliver cutting-edge mobile applications that transform customer experiences. You’ll bring expertise in native mobile development (Swift, Kotlin/Java) as well as cross-platform frameworks where relevant (Flutter, React Native), and collaborate with architects, UX designers, and product teams to deliver … platform approaches.Define solution context, target architecture, integration patterns, data flows, non-functional requirements and transition roadmaps.Evaluate and recommend technology choices across Swift and SwiftUI, Kotlin and Jetpack Compose, React Native, Flutter and Kotlin Multiplatform where appropriate.Design secure integration with APIs, microservices, identity platforms, mobile backends, cloud services ...

services industry to design, build, and deliver cutting-edge mobile applications that transform customer experiences. You’ll bring expertise in native mobile development (Swift, Kotlin/Java) as well as cross-platform frameworks where relevant (Flutter, React Native), and collaborate with architects, UX designers, and product teams to deliver … Define solution context, target architecture, integration patterns, data flows, non-functional requirements and transition roadmaps. Evaluate and recommend technology choices across Swift and SwiftUI, Kotlin and Jetpack Compose, React Native, Flutter and Kotlin Multiplatform where appropriate. Design secure integration with APIs, microservices, identity platforms, mobile backends, cloud services ...

funded client delivery: you will build mission-critical web applications and API backends for central MoD programmes, while contributing to low-level system integrations (Kotlin, Android ART, IPC/AIDL) on tactical edge and Situational Awareness (TAK) platforms. You will sit at the intersection of modern enterprise software engineering … microservices, and APIs (TypeScript, Node.js, React, or Python) for cloud and hybrid MoD landing zones. Edge & Tactical Systems Integration: Develop native Android background services (Kotlin on ART), IPC/AIDL interfaces, and Cursor-on-Target (CoT) data routers connecting front-end C2 displays (e.g., OmniTAK, ATAK) to backend services. ...

Senior Full Stack Kotlin Developer £57,000 to 72,000 GBP Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Full Stack Kotlin Developer Salary: £57,500 - £72,000 Locations: Leeds, Manchester, Bristol, London, Birmingham or Glasgow Working Pattern: Hybrid Are you a Senior … Full Stack Kotlin Developer looking for the opportunity to work on complex, meaningful digital transformation projects? We're looking for an experienced engineer to join a growing digital consultancy, working with a range of public and private sector clients to design and deliver secure, scalable and user-centred digital ...

Capital One in London is seeking a Lead Android Engineer to steer native Android app development, set technical direction, and mentor multiple mobile teams. You will drive architecture decisions, advocate automated testing (JUnit/Espresso ...

Starling Bank is hiring Android engineers to build and maintain our in-house Android app written in Kotlin. You’ll work in cross-functional teams, focusing on accessible, maintainable code and rapid shipping of features. ...

Senior Full Stack Kotlin Developer £55,000 - £70,000 GBP Hybrid WORKING Location: Bristol/Leeds, Central London, Greater London - United Kingdom Type: Permanent Senior Full Stack Kotlin Developer Location: London/Leeds/Bristol Salary: Up to £70,000 We're hiring a Senior Full Stack Kotlin … solving complex technical challenges, influencing technical direction and mentoring others while remaining hands-on. What You'll Be Doing Develop high-quality software using Kotlin and modern engineering practices. Design and build scalable microservices and REST APIs. Work closely with product, design and delivery teams to create user-focused ...

Senior Full Stack Kotlin Developer £55,000 - £70,000 GBP Hybrid WORKING Location: Bristol/Leeds, Central London, Greater London - United Kingdom Type: Permanent Senior Full Stack Kotlin Developer Location: London/Leeds/Bristol Salary: Up to £70,000 We're hiring a Senior Full Stack Kotlin … solving complex technical challenges, influencing technical direction and mentoring others while remaining hands-on. What You'll Be Doing Develop high-quality software using Kotlin and modern engineering practices. Design and build scalable microservices and REST APIs. Work closely with product, design and delivery teams to create user-focused ...

platform. You will design scalable backend using NestJS, Node.js and TypeScript, and contribute to mobile features with React Native and Expo, while collaborating with Kotlin/Spring Boot teams to ensure robust API integration and secure, high-performance systems. #J-18808-Ljbffr ...

functional team focusing on scalable AWS‐based solutions, Terraform‐driven deployments, and CI/CD pipelines. You will grow into server‐side Java/Kotlin development and contribute to observability, security, and reliability across the Portfolio Management estate. #J-18808-Ljbffr ...

Mobile Engineer to own the mobile experience across iOS and Android. You’ll work primarily with React Native and Expo, with native Swift/Kotlin when needed to optimise performance. You’ll collaborate with product and UX from early stages, contribute to release pipelines, and help set mobile standards ...

payment platforms. You will shape architecture, ensure high-quality delivery, and mentor engineers in a hybrid-remote role. You’ll work across Java/Kotlin ecosystems, Spring Boot and Cloud, and modern web tech, delivering scalable solutions with a strong focus on performance and reliability. Relocation considered. #J ...

write high-quality, testable code. The role requires a Bachelor’s degree or equivalent, plus 1 year in data structures and Android development; Kotlin experience preferred. Google emphasizes inclusive hiring and in-person interviews. #J-18808-Ljbffr ...

data modeling for scalable microservices, and collaborate with cross-functional teams. Required are 2+ years of backend experience with Java/Scala/Kotlin, plus familiarity with Redis, Kafka Streams, and AWS. The role supports hybrid work and offers a comprehensive benefits package. #J-18808-Ljbffr ...

data science squads to build scalable services handling high daily traffic. You’ll write high-quality code in TypeScript/Scala/Java/Kotlin, work with Postgres, DynamoDB, and Kafka, and contribute to a DevOps culture. Hybrid working with dog-friendly offices is offered. #J-18808-Ljbffr ...

activity. You will own the development of our multi-venue collateral management platform and related data pipelines. You will work primarily in Java and Kotlin on both new development and production systems, collaborating with investment stakeholders to deliver robust, scalable solutions for digital assets and traditional markets. #J ...

including customer and developer portals and centralized document management, while leading architectural decisions across a dual-stack of Node.js/TypeScript and Java/Kotlin distributed systems. You will mentor engineers, improve performance and reliability, and contribute to identity infrastructure work such as Keycloak #J-18808-Ljbffr ...

work on a Terraform-driven AWS estate, supporting services like EKS, RDS, S3, and Lambda, with opportunities to grow into server-side Java/Kotlin development. You will join a cross-functional team of engineers and product owners, contribute to CI/CD pipelines (Jenkins), implement observability with Datadog ...

backend and frontend system management, guiding teams, and implementing engineering best practices. Candidates should have over 5 years of experience, knowledge in Java/Kotlin, Spring Boot, and secure coding principles. This position offers a chance to integrate AI capabilities into production systems. Join us in a diverse, collaborative ...

well-defined features from ideas through release, collaborating with designers, PMs and engineers to deliver high-quality mobile experiences. You should be proficient in Kotlin, Jetpack Compose, and understand modern Android development and testing. The role offers hybrid working with two days in the London office, plus a supportive ...

development processes, coding across the stack primarily in Python, and mentoring team members. Candidates should have 5+ years of experience in Python or Kotlin, along with expertise in AWS. Join a collaborative and inclusive environment committed to personal and professional development. #J-18808-Ljbffr ...

leading mobile engineering teams and delivering consumer mobile products Deep expertise in Swift and the Apple ecosystem with solid understanding of Android architecture and Kotlin Experience defining engineering processes and maintaining high quality in fast-moving product teams Strong understanding of mobile application architecture, networking, and API integration Nice ...

role. Preferred qualifications: Master's degree or PhD in Computer Science or related technical field. Experience with Data Analytics or Telemetry. Experience with Android, Kotlin, Java Experience with Stakeholder Management and Technical Infrastructure Management. Responsibilities: Empower data-driven decisions for upcoming Pixel Watch Hardware/Software launches to improve ...

rapidly evolving environments; Master’s or PhD degree (or equivalent experience) in Computer Science or a related field; Experience with JVM-based languages (Java, Kotlin) or Python; Advanced math and quantitative skills are a plus; Experience with and interest in building information-rich user-facing applications, GUIs ...