14 of 14 Contract Kotlin Jobs in the UK

Android Developer (Kotlin) – 3 Month Initial Contract – Hybrid – Leicester – Outside IR35 VIQU have partnered with a global organisation who are seeking an Android Developer on a contract basis. The role: The successful Android Developer will have strong experience developing Android applications, using Kotlin and Jetpack Compose. The project itself is a rewrite of their customer-facing app, and … team and provide technical guidance/mentorship Key skills & experience: Extensive experience as an Android Developer, with strong understanding of Android application architecture, lifecycle management, and UI design Strong Kotlin proficiency, with solid understanding of Kotlin syntax, features, and best practise, Kotlin Flows, extensions and higher-order functions Strong Jetpack Compose experience and solid experience with Jetpack More ❯

Contract - Outside IR35 £450.00 - £540.00p/d 3 Months+ Leicester - Compulsory 3 days per week on-site (Every Monday, Tuesday & Wednesday) ASAP Start - 1 stage interview process! Android Developer Kotlin, Jetpack Compose Contract Outside IR35 I m working with a client who is embarking on a full rewrite of their customer-facing mobile app and they re looking for … an Android Developer to lead the way. You ll need strong, hands-on experience with Kotlin and Jetpack Compose , and ideally, you ve already played a key role in rebuilding apps from the ground up. This is a Senior/SME-level role where your influence will stretch beyond writing code the team will look to you for technical … to the wider dev team What we re looking for: Deep experience as an Android Developer with a strong grasp of Android app architecture and UI design principles Excellent Kotlin skills, including use of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch More ❯

Contract - **Outside IR35** £450.00 - £540.00p/d 3 Months+ Leicester - Compulsory 3 days per week on-site (Every Monday, Tuesday & Wednesday) ASAP Start - 1 stage interview process! Android Developer – Kotlin, Jetpack Compose | Contract | Outside IR35 I’m working with a client who is embarking on a full rewrite of their customer-facing mobile app – and they’re looking for … an Android Developer to lead the way. You’ll need strong, hands-on experience with Kotlin and Jetpack Compose , and ideally, you’ve already played a key role in rebuilding apps from the ground up. This is a Senior/SME-level role where your influence will stretch beyond writing code – the team will look to you for technical … to the wider dev team What we’re looking for: Deep experience as an Android Developer with a strong grasp of Android app architecture and UI design principles Excellent Kotlin skills, including use of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch More ❯

a robust product is released Key Skills & Experience: * You will have a proven track record as an Android Developer. * Good understanding of Android platform with a good proficiency in Kotlin * Past experience of releasing a mobile app to Google Play * Have a quality led development focus, utilising version control, unit testing, UI testing and CI/CD. Ideally Git More ❯

Location: Sheffield/Hybrid Duration: 30/12/2025 Rate: £358/Day(Inside IR35) Role Description: Experience in working in an agile and DevOps environment. Proficiency in Kotlin and Java with understanding of Android framework and libraries. Experience in Android development tolls such as Android Studio, Gradle and Git. Strong understanding of mobile app architecture, design pattern More ❯

Contract Mobile Software DeveloperLocation: Hybrid (Coventry + remote flexibility)Contract: 6 months | £300-£350/day (Outside IR35)We're looking for a Kotlin-first engineer who thrives across web, backend, and mobile platforms. This is a hands-on role working with a modern tech stack and 4-week release cycles on scalable, high-performance apps.Must- Have Tech Stack … Kotlin Multiplatform (iOS, Android, Backend)• Spring Boot 3 (Kotlin only - no Java!)• Jetpack Compose• Room (mobile local data storage)You’ll Be:• Building Angular web apps• Developing backend microservices• Creating cross-platform mobile apps• Designing efficient SQL schemas• Debugging full stack issues & collaborating in agile teams Ideal Candidate:• Confident in Kotlin across all layers• Experienced with microservices More ❯

from the ground up, thrives in ambiguity, and can blend strong technical delivery with effective stakeholder engagement. Essential Skills Extensive experience in backend development using Java and/or Kotlin (non-Android) Strong familiarity with TypeScript Comfortable working with Spring Boot, AWS, Docker, Terraform, or Kubernetes Confident technical leadership within agile or cross-functional teams in the public sector More ❯

Senior Android Developer - (Android, EMV kernel, Development, Kotlin, SOLID Design, RESTful, SDK, CI/CD, Applications) - Contract - Home Based Charles Simon Associates are currently looking for a Senior Android Developer on initially a 6 month contract basis for a global business based in the UK with offices across Europe and the Far East. All candidates must have hands on … Rate: Up to £450 per day D.O.E Skills/Requirements for the Senior Android Developer: Extensive Android Development experience EMV kernel experience, in terms of working with terminals Strong Kotlin programming Understanding of SOLID Design practices Android SDK Ability to work individually and proactively Start date is ASAP for the Senior Android Developer The Senior Android Developer will be … provide visa sponsorship for this role at this time. Applicants must have the right to work in the United Kingdom without sponsorship." Senior Android Developer - (Android, EMV kernel, Development, Kotlin, SOLID Design, RESTful, SDK, CI/CD, Applications) - Contract - Home Based More ❯

and AudioCodes SBCs, ARM/ECB, and backend management tools Familiarity with DevOps tools , Agile delivery, and automation practices Proficiency in Python , JavaScript , HTML/CSS , or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) - Network+ or CCNA a plus Cloud certification (AWS, Azure or GCP preferred) Experience in writing detailed documentation and collaborating across technical More ❯

Role: SC Cleared Java/Kotlin Developer (Contract) Location: Remote (UK-based only) Clearance: Active SC Clearance required Rate: £500 to £525/day (Outside IR35) Contract Length: Until end of March 2026 We are looking for a hands-on Java/Kotlin Developer to support a long-running greenfield project within a central government department. Essential Skills … Strong experience in Kotlin for web backend development and/or Java Solid grasp of Spring Boot, REST APIs, Git, and CI/CD pipelines Exposure to TypeScript and modern front-end tooling Comfortable working in cloud-native environments (AWS/Docker/Kubernetes) Understanding of GDS principles Interview slots are available next week, so please register your interest More ❯

gen in the "Secure Tech" focused industry with real impact and purpose. Key responsibilities: React Native Developer (Expo) Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. … What we're looking for: React Native Developer (Expo) Secure Tech 4+ years experience with React Native, ideally using the Expo SDK Strong knowledge of native module development in Kotlin/Swift Exposure to cryptographic principles, MIME standards, and OAuth2 Hands-on experience with secure systems, testing frameworks, and Git workflows Excellent communication and problem-solving skills If youre More ❯

gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer (Expo) – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. … What we're looking for: React Native Developer (Expo) – Secure Tech 4+ years’ experience with React Native, ideally using the Expo SDK. Strong knowledge of native module development in Kotlin/Swift. Exposure to cryptographic principles, MIME standards, and OAuth2. Hands-on experience with secure systems, testing frameworks, and Git workflows. Excellent communication and problem-solving skills. If you More ❯

one of our public sector clients. Rate: up to £550 per day (outside IR35) Duration: 6 months Location: UK Travel: Remote Active SC clearance will be required Tech Stack Kotlin, Typescript, ExpressJS, AWS, Terraform For full details regarding this position, please apply here and we'll be in touch More ❯

Session Initiation Protocol (SIP) and SBC technologies Hands-on experience with SBCs, ARM/ECB, and backend management tools Proficiency in Python , JavaScript , HTML/CSS , or Java/Kotlin Working knowledge of networking (routers, switches, firewalls, SASE) - Network+ or CCNA a plus Experience in writing detailed documentation and collaborating across technical teams Self-starter with a proactive, solutions More ❯