21 of 21 Contract Kotlin Jobs in the UK

Understanding of vulnerability assessment and penetration testing methodologies. Basic scripting or programming experience. Mobile Technologies: exposure to one or more of the following: Android Kotlin Java Android SDK Android Studio Android Keystore iOS Swift Objective-C Xcode iOS Keychain Secure Enclave Security Tooling Exposure- experience with, or awareness ...

Insurance or Financial Services. Performance or non-functional testing experience. Knowledge of software engineering practices including source control and CI/CD. Exposure to Kotlin/JVM, Java services or React applications. f you're passionate about delivering high-quality software and enjoy working in fast-paced engineering teams ...

session for each moment. What You'll Do Build high-impact Android features for a massive global user base. Write clear, scalable, and maintainable Kotlin and Java code. Drive performance improvements, testing, and tooling quality. Collaborate across teams to connect mobile applications with backend systems. Who You Are Android ...

architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads You may interact with services and systems built in: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust API Design You will design, build, and consume: RESTful APIs GraphQL APIs Company UK's market leading media ...

Junior Software Engineer (Java/Kotlin/JVM) Contract Overview Role: Junior Software Engineer (Java/Kotlin/JVM) Location: Victoria, London Length: 12 months Start: ASAP Rate: £200 per day Status: Inside IR35 Pattern: Hybrid working About the Role I'm currently recruiting for a Junior Software … product team working across modern financial services technology. This role would suit someone with a few years' commercial software engineering experience, particularly across Java, Kotlin and JVM-based backend development. The successful candidate will be working on modern applications and services that support customer-facing digital products, with ...

working closely with product owners, engineering and Stakeholders to deliver innovative, high-level solutions. Skills & Experience Solid commercial experience using Swift (required) Objective-C & Kotlin (Desirable) IOS Design patterns, including MVVM + Coordinators Building UIKit views programmatically without using XIBs/Storyboards Using Autolayout to build adaptable layouts Experiencing ...

scalable, and fit for purpose. Mentor and guide other engineers to uphold high coding standards and best practices. Skills & Experience Required Strong experience using Kotlin Android architecture patterns SOLID design principles Unit testing with JUnit and Mockito UI automation testing with Espresso If the above is of interest, please ...

obtain UK Security Clearance (SC Level) prior to appointment. Ever built Android apps that actually feel fast, modern, and clean? Comfortable jumping between Kotlin, backend services, and cloud-native systems without getting boxed into one layer? Want to work on secure, real-world systems where engineering quality genuinely matters … This is a hands-on engineering role across mobile, backend, and cloud. You'll be building Android applications using Kotlin + Jetpack Compose, designing and shipping backend services in Rust, Python, or Go, and working with Docker, CI/CD pipelines, and cloud platforms (AWS/Azure ...

equally comfortable thinking about schema evolution as they are about frontend state management. Backend Mastery: Strong production experience building high-scale services using Java, Kotlin, or Go . Modern Frontend Skills: Hands-on experience building clean, intuitive internal tooling using React and TypeScript . System Design & Integrity: Deep understanding ...

cross functional teams to deliver high quality digital products Building intuitive, visually engaging, and user friendly mobile experiences Writing clean, scalable, maintainable, and testable Kotlin code Supporting development activities across the family of Digital platforms Driving continuous improvement across development processes, tooling, and customer experiences Identifying opportunities to enhance … performance, usability, and engineering practices Skills: Strong commercial experience with Kotlin and/or Java Experience using Android Studio Experience building Android applications using MVVM architecture Strong understanding of Jetpack Compose Familiarity with Android Jetpack libraries such as LiveData, Navigation Component/NavGraph, and local persistence solutions such ...

teams to deliver high quality digital products . Building intuitive, visually engaging, and user friendly mobile experiences . Writing clean, scalable, maintainable, and testable Kotlin code . Supporting development activities across the ScottishPower family of Digital platforms . Driving continuous improvement across development processes, tooling, and customer experiences . … architecture decisions, and code reviews . Supporting the delivery of Digital objectives through innovation and engineering best practices Skills: . Strong commercial experience with Kotlin and/or Java . Experience using Android Studio . Experience building Android applications using MVVM architecture . Strong understanding of Jetpack Compose . ...

cross functional teams to deliver high quality digital products Building intuitive, visually engaging, and user friendly mobile experiences Writing clean, scalable, maintainable, and testable Kotlin code Supporting development activities across the ScottishPower family of Digital platforms Driving continuous improvement across development processes, tooling, and customer experiences Identifying opportunities … technical discussions, architecture decisions, and code reviews Supporting the delivery of Digital objectives through innovation and engineering best practices Skills: Strong commercial experience with Kotlin and/or Java Experience using Android Studio Experience building Android applications using MVVM architecture Strong understanding of Jetpack Compose Familiarity with Android Jetpack ...

standards and familiarity with AI-assisted development tools (e.g., GitHub Copilot) are highly desirable. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support … generated code prior to production use Use AI tools to support debugging, root cause analysis, and impact assessment Skills & Experience Essential: Strong experience with Kotlin (preferred) and/or Java, and the Android SDK Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console ...

initial 3 months with possibility to extend to March 2027. What we're looking for: Strong commercial experience developing native Android applications using Kotlin and/or Java Experience building applications using MVVM architecture Strong experience with Android Studio and Jetpack Compose Experience using Android Jetpack libraries, including LiveData … Navigation Component (NavGraph) and local persistence solutions (eg ObjectBox ) Experience with Kotlin Coroutines for asynchronous programming Experience integrating with REST APIs using tools such as Retrofit Experience using Git and Gradle Good understanding of the Google Play Store release process Experience working within Agile/Scrum teams Strong debugging ...

travel to Glasgow required once per week. Non local candidates may be considered, but local candidates will be prioritised. Key skills required: • Strong commercial Kotlin and or Java experience • Experience building Android applications using MVVM architecture • Jetpack Compose experience • Android Studio experience • Android Jetpack libraries experience, including LiveData … developing and maintaining Android application features, working closely with designers, testers, analysts and wider technical teams. You will be expected to write clean, maintainable Kotlin code, contribute to technical discussions and support continuous improvement across mobile delivery. BPSS checks will be required before starting. ...

standards and familiarity with AI-assisted development tools (e.g., GitHub Copilot) are highly desirable. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support … generated code prior to production use Use AI tools to support debugging, root cause analysis, and impact assessment Skills & Experience Essential: Strong experience with Kotlin (preferred) and/or Java, and the Android SDK Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console ...

standards and familiarity with AI-assisted development tools (e.g., GitHub Copilot) are highly desirable. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support … generated code prior to production use Use AI tools to support debugging, root cause analysis, and impact assessment Skills & Experience Essential: Strong experience with Kotlin (preferred) and/or Java, and the Android SDK Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console ...

DevX_POD Lead (Kotlin/Java) Hybrid 60% office-40% Remote - Sheffield Duration: 30/11/2026 Rate £529 MUST BE PAYE THROUGH UMBRELLA Role Description : Technologies we use in the role (Required): Kotlin, Java, Microservices, REST APIs, SQL/Databases, HTML/JavaScript, Asynchronous messaging/… Support sprint planning by shaping technical approaches, identifying spikes, and helping the team size work appropriately. Design, develop and implement primarily back-end features (Kotlin/Java APIs and services), with a small element of UI work using a simple UI framework. Build and evolve APIs and microservices, applying ...

APIs, microservices, and event-driven workflows Validate Kafka-based messaging systems and event streams Develop high-quality test automation solutions in Java or Kotlin Use Testcontainers to create isolated and repeatable testing environments Integrate automated testing into CI/CD pipelines Work closely with Software Engineers, Product teams … automation tests Hands-on experience working with Kafka and event-driven architectures Ability to write and maintain automated test code using Java or Kotlin experience with Testcontainers Good understanding of software testing principles and automation best practices experience working within Agile delivery environments Nice to Have experience with ...

Junior Software Engineer (Java/Kotlin/JVM) Contract Overview Role: Junior Software Engineer (Java/Kotlin/JVM) Location: Victoria, London Length: 12 months Start: ASAP Rate: £200 per day Status: Inside IR35 Pattern: Hybrid working About the Role I'm currently recruiting for a Junior Software ...

Senior Scala/Kotlin Engineer 6-12 months Hybrid - London (2-3 days per week on site) Paying up to £600 per day (Inside IR35) Overview We are supporting a global tier 1 bank on the hire of a Scala/Kotlin Engineer to join a high-performing … delivery of complex features end-to-end Core Requirements Strong experience as a senior backend engineer Proven hands-on experience with: o Scala OR Kotlin (either is acceptable) Strong understanding of: o Type systems o Concurrency o Functional and/or object-oriented programming Experience building distributed backend systems ...