101 to 125 of 249 Kotlin Jobs in the UK

in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯

support and resources needed to achieve your learning goals. Internally this role is known as Product Engineer (L6). Essential skills: Extensive experience in Native Mobile Development in Android (Kotlin and Java) Accessibility best practice Continuous Integration/Continuous Delivery Demonstrable experience in TDD, pair programming Agile development methods such as Scrum or Kanban REST API development and/… UX principles HTML, CSS, and related web technologies Experience with modern JavaScript libraries and tooling, such as React, Redux, Webpack Any server side development languages such as Java/Kotlin Additional Information: The application form consists of an online assessment, CV upload, followed by application questions. Please visit - to understand more about application and hiring process If you are More ❯

month contract Rate: £380-400 p/day Start date: ASAP! Required: Strong experience in C# .NET MAUI Proven expertise in Xamarin Strong IOS/Android experience MVVM, Kotlin would be beneficial Familiarity with cross-platform mobile development If you are a mobile expert ready for an immediate contract role, apply now. Oscar Associates (UK) Limited is acting as More ❯

about your salary expectations during the application process, and our Talent Team will have an open, honest conversation. Skills & Experience Significant experience designing and building large-scale backend systems (Kotlin/Java, Python, Scala, or other languages). Deep understanding of: Domain-driven design systems Modular monoliths Distributed systems Microservices Pipelines Knowledge of security best practices including OAuth, SSO More ❯

React Native Comfortable integrating REST and GraphQL APIs. Exposure to CI/CD, app store releases, and OTA updates (eg CodePush). Nice-to-haves: Native modules (Swift/Kotlin), app security, crash/analytics tools, or experience with chatbots/RAG systems. Package & Set-Up Salary guide £60,000; up to £70,000 for candidates close to senior More ❯

React Native Comfortable integrating REST and GraphQL APIs. Exposure to CI/CD, app store releases, and OTA updates (e.g. CodePush). Nice-to-haves: Native modules (Swift/Kotlin), app security, crash/analytics tools, or experience with chatbots/RAG systems. Package & Set-Up Salary guide £60,000; up to £70,000 for candidates close to senior More ❯

the platform. Collaborate in a remote, fast-paced team environment while maintaining a high level of autonomy and initiative. Key Skills Required: 5+ years of Android development experience (Java, Kotlin). Strong background in mobile video playback and streaming technologies. Hands-on experience with Android TV; bonus points for webOS, Roku, Fire OS. Deep knowledge of mobile architecture, concurrency More ❯

roles, with at least 2 years focused on Android Proven Espresso and Jetpack Compose UI testing experience, including test rules, semantics, idling, testability hooks, and page-object patterns Solid Kotlin skills with the ability to review app and test code Comfortable with Gradle (AGP), AndroidJUnitRunner, and test orchestration on emulators CI/CD (e.g. GitHub Actions) Day to day More ❯

and problem-solving abilities, and able to manage their time. 5+ years of in-depth practical experience with Java and Spring . Knowledge of other JVM-based languages, especially Kotlin is a plus. Solid understanding of web application architecture and microservices. Strong grasp and professional experience with concurrent programming, concepts idempotency and distributed transaction management in application logic. Familiarity More ❯

contributing to an architectural vision that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess new technologies that might improve More ❯

skills and ability to craft well-architected and easy-to-reason-about applications regardless of the "tier". Experience writing scalable backend micro-services using the JVM with Java, Kotlin, and Spring Boot. You will have a strong focus on writing tests and an opinion on how and why different tests should be developed and run. Positive energy and More ❯

You will have demonstrated the following competencies to the proficiency level appropriate to the seniority of the role; Fluent in writing JAVA coding and experience with JVM compatible languages (Kotlin, Scala) Experience with Kafka or a similar platform. Experience working in Agile DevSecOps environments and Zero Trust Architecture Integrating with backing services, such as PostgreSQL, Redis or S3 Good More ❯

s AI platform Maintain high code quality through testing, code reviews, and automation What you'll need 4+ years of backend engineering experience Strong experience with Python, Java or Kotlin in production environments Experience designing and maintaining scalable services Familiarity with modern AI providers (AWS Bedrock, Open AI, Anthropic, etc) Proficiency in modern development practices (CI/CD, observability More ❯

skills and experience will include: 8+ years of experience building and scaling distributed systems, ideally serving millions of users Deep expertise in one or more JVM-based languages (ideally Kotlin with Micronaut but will consider Java) Proven experience in DevOps practices, including running and operating what you build Experience designing CI/CD pipelines and driving improvements in developer More ❯

software with a SaaS delivery model 4+ years of recent experience building an event-driven, microservices-oriented architecture Proficiency in any of the following backend languages: Go, Scala, Java, Kotlin, Node.js Proven expertise in building distributed systems, micro services, REST APIs Production experience with commercial clouds (AWS, Azure, GCP) BS/MS degree in Computer Science or related field More ❯

and experience will include: 5+ years of experience building and scaling distributed systems, ideally serving millions of users Good knowledge in one or more JVM-based languages (MUST HAVE Kotlin with Micronaut) Proven experience in DevOps practices, including running and operating what you build Experience designing CI/CD pipelines and driving improvements in developer productivity Comfortable working in More ❯

Your skills and experience will include: 5+ years of experience building and scaling distributed systems, ideally serving millions of users Good knowledge in one or more JVM-based languages Kotlin with Micronaut is desirable but we can also work with Java) Proven experience in DevOps practices, including running and operating what you build Experience designing CI/CD pipelines More ❯

to improve our Android solutions and support Mozilla's manifesto What you bring Several years of experience building complex applications for a broad and diverse user base using Java, Kotlin, and/or C++ Experience resolving problems, signaling risk, fostering change, and facilitating collaborative decision-making Passion for building excellent products, and a sense of ownership that spans from More ❯

to improve our Android solutions and support Mozilla's manifesto What you bring Several years of experience building complex applications for a broad and diverse user base using Java, Kotlin, and/or C++ Experience resolving problems, signaling risk, fostering change, and facilitating collaborative decision-making Passion for building excellent products, and a sense of ownership that spans from More ❯

the process of modularizing our codebase, right now we have 10 feature modules and 10 library modules, plus one app module. The majority of our codebase is written in Kotlin as well as any new code that we write. We use MVVM to structure our presentation layer and RxJava throughout the whole application stack for handling asynchronous operations. We More ❯

the process of modularizing our codebase, right now we have 10 feature modules and 10 library modules, plus one app module. The majority of our codebase is written in Kotlin as well as any new code that we write. We use MVVM to structure our presentation layer and RxJava throughout the whole application stack for handling asynchronous operations. We More ❯

products. Tech Stack and Tools: Internally our backend code is in general based on PHP/Symfony, our frontend is based on React, our mobile code is based on Kotlin (on Android) and on Swift (on iOS), with a growing shared codebase in Rust. All our client-code is open-source and GPL3. We are migrating our infrastructure to More ❯

the latest technologies. We will support your learning goals. Internally, this role is known as Product Engineer (L6). Essential skills: Extensive experience in Native Mobile Development in Android (Kotlin and Java) Accessibility best practices Continuous Integration/Continuous Delivery Experience in TDD, pair programming Agile development methods like Scrum or Kanban REST API development and consumption Deep understanding …/iOS, GraphQL, Microservice Architectures, Docker, Kubernetes, cloud platforms like AWS, GCP, Azure, UX principles, web technologies (HTML, CSS), JavaScript libraries (React, Redux, Webpack), server-side languages (Java/Kotlin) Additional Information: The application process includes an online assessment, CV upload, and application questions. More info at . Next steps if successful: screening call, tech assessment, two interviews. Let More ❯

performance optimization, and security. Conduct architectural reviews and provide technical guidance to the mobile development team. Hands-on Development: Write high-quality, performant, and maintainable code for both Android (Kotlin/Java) and iOS (Swift/Objective-C). Develop and integrate complex UI/UX components, ensuring a seamless and intuitive user experience. Implement efficient data synchronization, caching … non-technical stakeholders. Qualifications: 8+ years of professional experience in mobile application development, with at least 3+ years in a senior or principal role. Demonstrated expertise in both Android (Kotlin/Java) and iOS (Swift/Objective-C) development, including deep knowledge of their respective SDKs, architectural patterns (MVVM, MVI, Clean Architecture, etc.), and testing frameworks. Proven track record More ❯

the platform Strengthen operational awareness through instrumentation and observability tooling Our Stack_ At Masabi, we take a modern, pragmatic approach to technology, optimising for scalability, resilience, and developer experience. Kotlin (Backend & Mobile), TypeScript (Web), Python KrakenD & Ktor (APIs), Vue/Nuxt (Frontend), Capacitor (Hybrid Mobile) Fully cloud-hosted on AWS - Fargate, Lambda, DynamoDB, S3, SSM, KMS, etc. Kafka/ More ❯