26 to 39 of 39 Kotlin Jobs in the UK

Android Software Engineer (Kotlin) Cheltenham/Hybrid My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation … peer-sharing culture Career progression The role and responsibilities Designing, developing, testing, and maintaining high-quality Android applications Building secure, robust mobile applications in Kotlin Applying modern Android architecture patterns such as MVVM, MVI, and Clean Architecture Writing clean, maintainable code using modern Android practices including coroutines, Flow ...

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 ...

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 ...

Senior Kotlin Software Engineer (Investment Banking) - London/hybrid Daily rate: £600 - £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud-hosted platform team within an investment banking environment. This … opportunity to work closely with business stakeholders in a demanding and high-impact environment. Key Responsibilities Design, develop, test, and maintain backend services using Kotlin Contribute across the full software lifecycle: development, integration, and production support Implement and support event-driven architectures, including event sourcing and event streaming Work ...

collaborative team tackling complex challenges. You don’t need to tick every box, but they’re particularly interested in people with strong Kotlin experience, secure development awareness, and the ability to adapt quickly as requirements evolve. Key Responsibilities: Collaborate with the development team to design, develop, and maintain software … solutions Develop reliable Android applications using Kotlin and Jetpack Compose Utilise Git for version control, ensuring efficient code management and collaboration Design and implement backend solutions using Rust, Python, or Go, ensuring robustness and scalability, including writing web APIs Utilise Docker for containerisation to streamline deployment processes and ensure ...

suited to strong software engineers/software developer with experience in one or more of the following: C++, Rust, C#, Java, TypeScript, Android/Kotlin, or other modern software engineering stacks. Benefits £60,000 - £90,000 basic salary depending on experience Bonus Hybrid working and flexibility (2 days … Engineer, Full Stack Engineer, Mobile Engineer, or similar Strong ability in one or more modern programming languages such as C++, Rust, C#, Java, TypeScript, Kotlin/Android, or similar Strong software engineering fundamentals including code quality, maintainability, and problem solving Experience building production software in commercial environments Ability ...

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 ...

Backend Engineer (Java/Kotlin/Spring Boot) Must have Java, Kotlin, Spring Boot and startup experience. Unfortunately sponsorship is not available. London Hybrid (1 day per week in the office) We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team … building high-quality products with real ownership and impact. Essential Requirements To be considered, you must have: Commercial experience with Java Commercial experience with Kotlin Strong experience building applications with Spring Boot Previous experience working in a startup, scale-up, founding team or stealth startup environment These ...

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 ...

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London/Hybrid Daily rate: £600 - £800 (inside IR35) Duration: 6 months Start: ASAP My client is looking for an experienced Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. … support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Required & Desirable Skills Strong commercial experience building backend services using Kotlin Experience with event-sourced and event-driven architectures Deep familiarity with XP practices, including: Mob programming as a primary way of working Test-driven ...

Senior Kotlin Software Engineer (Investment Banking) - London/hybrid Daily rate: £600 - £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud-hosted platform team within an investment banking environment click ...

Senior Kotlin Software Engineer (Investment Banking) - London/hybrid Daily rate: £600 - £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud-hosted platform team within an investment banking environment. This ...