18 of 18 Contract Kotlin Jobs

mobile features. Due to the nature of the role, candidates will require active SC clearance. Key Responsibilities Design and develop advanced Android applications using Kotlin and Jetpack Compose. Collaborate with cross-functional teams to define, design and deliver new features. Integrate with RESTful APIs, JSON and external data sources. ...

Professional experience building and operating backend applications in production environments. Proficiency in at least two or morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. ...

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 ...

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 ...

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 ...

engineers, and QA to deliver features that are robust, scalable, and user-friendly. Key Responsibilities Android application development - Build advanced, high-performance applications using Kotlin and Jetpack Compose . Cross-functional collaboration - Work with product, design, and Back End teams to define and deliver new features. API integration - Integrate … coding standards and protect user data. Requirements We're looking for SECURITY CLEARED ANDROID Developers who bring strong technical skills and a collaborative mindset: Kotlin expertise - Solid understanding of Kotlin and modern Android development patterns. REST & JSON - Experience integrating with RESTful APIs and handling JSON data. Git proficiency ...

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 ...

Kotlin Developer (SC Cleared) Outside IR35 We are seeking experienced Kotlin Developers to join a high-profile national digital programme, building secure, scalable, and user-focused Android applications that support a major government digital transformation initiative. This is an opportunity to work on modern mobile products with significant … scale. Due to the nature of the programme, active SC clearance is required . Key Responsibilities Design, develop, and maintain modern Android applications using Kotlin as the primary language. Build responsive and scalable user interfaces using Jetpack Compose . Architect robust, maintainable, and testable solutions following Android best practices ...

months Location: Remote with occasional visits to London Clearance: BPSS Stages: 1 Stage 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 (eg, 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 ...

active SC clearance and brings strong experience in delivering performant, secure, and user-focused Android solutions. 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 … tools to support debugging, root cause analysis, and impact assessment Required Skills/Experience The ideal candidate will have the following: 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 ...

play a key role in the delivery of a large-scale digital transformation programme. The chosen candidate must have experience in Playwright or Cypress, Kotlin and TypeScript with API testing. This is an opportunity to work within a complex enterprise environment, helping to ensure the quality, resilience, and performance … integration, and end-to-end testing. Develop and maintain automated tests using Playwright and/or Cypress . Test services built using Kotlin and TypeScript technologies. Validate complex integrations between modern platforms and legacy systems. Deliver API testing across multiple services and enterprise applications. Perform resilience and failure testing ...

Mobile Android (Kotlin) Engineer - London, Hybrid NO SPONSORSHIP - Must have the right to work full time in the UK Daily Rate: 300 PAYE/350 via Umbrella per day Location: London- Hybrid 3 days/week Overview A major banking company are looking for a Mobile Android Engineer … development methodologies popular in Android and be able to dive deep and rapidly iterate on ideas with your team despite some ambiguity. Skills Strong Kotlin proficiency Experience working on modern app architecture (MVVM, Jetpack Compose, distributed app structures, migrated codebases, modularised apps) Moderate to intermediate AI tooling adoption (Experience ...

practices Essential Skills & Experience Proven experience as a Senior or Lead Backend Engineer within government/public sector environments Strong hands-on expertise in Kotlin (primary focus for this role) Solid experience with Java and Spring Boot Demonstrable experience applying Test-Driven Development (TDD) principles Collaborative, team-oriented mindset … Clearance Interview process will include a pair programming exercise to assess TDD capability If you are a skilled Back End engineer with strong Kotlin expertise and active SC clearance, apply now for immediate consideration ...

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 ...