1 to 25 of 162 Kotlin Jobs in England

VIPER architecture alongside modern Android best practices. Ensure high-quality, maintainable code and scalable solutions. Required Skills & Experience Proven experience leading Android teams and mentoring developers. Deep expertise in Kotlin , Java , RxJava , and Jetpack Compose . Strong understanding of Android architecture patterns (including VIPER , MVVM, and Clean Architecture), asynchronous programming, and UI/UX best practices. Hands-on experience More ❯

Minimum of 5 years of experience in mobile application development (iOS, Android, or cross-platform). Familiarity with mobile frameworks such as Flutter, React Native, or native SDKs (Swift, Kotlin). Experience with cloud platforms, particularly Azure, and/or cloud services (e.g., MongoDB, Firebase) and the .Net platform would be advantageous. Strong understanding of mobile UI/UX More ❯

excellence both in Proton Pass and SimpleLogin products. Key responsibilities Develop and maintain cross-platform mobile applications for Android using a blend of cross-platform (Rust) and native technologies (Kotlin) Take end-to-end ownership of mobile application development projects: you'll be comfortable with scoping projects, walking back from deadlines and being able to discern the important from More ❯

frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working in on-prem and cloud-native environments More ❯

with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid WFH model, x2 days a week onsite (Wed/Thurs More ❯

with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid WFH model, x2 days a week onsite (Wed/Thurs More ❯

DevOps pipelines, cloud security, encryption (HSM), and PCI-DSS standards. Work closely with the CTO and Finance team to ship reliable, compliant financial products. Tech Stack: Backend: Java/Kotlin, Go, Python Frontend: React, Flutter Infra: PostgreSQL, Kubernetes, AWS/GCP You Bring: 5+ years of engineering experience in fintech, payments, or neobanking. Full-stack ability (backend + mobile More ❯

technical excellence What you'll bring Deep extensive experience of Android application development Established and highly skilled in all aspects of software engineering Strong programming skills in Java and Kotlin Solid understanding of Android architecture patterns and best practices Experience with video streaming protocols (HLS, DASH) Familiarity with ExoPlayer (bonus) Agile development experience with CI/CD pipelines Strong More ❯

technical excellence What you'll bring Deep extensive experience of Android application development Established and highly skilled in all aspects of software engineering Strong programming skills in Java and Kotlin Solid understanding of Android architecture patterns and best practices Experience with video streaming protocols (HLS, DASH) Familiarity with ExoPlayer (bonus) Agile development experience with CI/CD pipelines Strong More ❯

technical excellence What you'll bring Deep extensive experience of Android application development Established and highly skilled in all aspects of software engineering Strong programming skills in Java and Kotlin Solid understanding of Android architecture patterns and best practices Experience with video streaming protocols (HLS, DASH) Familiarity with ExoPlayer (bonus) Agile development experience with CI/CD pipelines Strong More ❯

in native Android development, with a strong portfolio of shipped, consumer-facing applications. ? Required Technical & UI/UX Skills ? Deep expertise in native Android UI/UX development, including Kotlin and modern frameworks (e.g., Jetpack Compose, Coroutines, Flow). ? Demonstrated experience building complex, real-time, data-intensive user interfaces (e.g., chat applications, financial dashboards, real-time streaming apps). More ❯

and experience Essential Extensive experience in software engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software More ❯

getting things done. Our engineers take part in the full process from design, to code, to test, to deployment and back again for further iteration. Our tech stack includes Kotlin, Coroutines, Jetpack Compose and GraphQL in a modular layout that follows the clean-architecture concept with MVVM. Would you like to build features end to end? Would you enjoy More ❯

getting things done. Our engineers take part in the full process from design, to code, to test, to deployment and back again for further iteration. Our tech stack includes Kotlin, Coroutines, Jetpack Compose and GraphQL in a modular layout that follows the clean-architecture concept with MVVM. Would you like to build features end to end? Would you enjoy More ❯

opportunity to carve out the future, including your role in a growing and ambitious business. We would love to hear from you if 👇 ✅You bring deep technical expertise in Kotlin, Jetpack Compose, concurrency (coroutines/flows), persistence (Room/Realm), architecture patterns (MVVM/MVI), and testing - and are motivated by solving challenging technical problems. ✅ You’re an Android More ❯

opportunity to carve out the future, including your role in a growing and ambitious business. We would love to hear from you if 👇 ✅You bring deep technical expertise in Kotlin, Jetpack Compose, concurrency (coroutines/flows), persistence (Room/Realm), architecture patterns (MVVM/MVI), and testing - and are motivated by solving challenging technical problems. ✅ You’re an Android More ❯

including AWS design, security, and observability. Mentoring colleagues, conducting code reviews, and supporting a culture of learning and improvement. Candidate Profile Significant experience in modern Java development (Spring Boot, Kotlin, or similar). Strong track record in designing and evolving scalable, Cloud-based systems. Practical experience with iterative development, automated testing, and CI/CD. A pragmatic and collaborative More ❯

including AWS design, security, and observability. Mentoring colleagues, conducting code reviews, and supporting a culture of learning and improvement. Candidate Profile Significant experience in modern Java development (Spring Boot, Kotlin, or similar). Strong track record in designing and evolving scalable, Cloud-based systems. Practical experience with iterative development, automated testing, and CI/CD. A pragmatic and collaborative More ❯

feature development, improve existing functionality, and play a part in defining mobile standards and best practices within the team. Tech stack & requirements Solid commercial experience developing Android apps using Kotlin and Java Strong understanding of RESTful Web Services and API integration Skilled in Google Play deployment , release management, and version control (Git) Knowledge of Android SDK , Material Design , and More ❯

on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive cross-platform structure. This involves optimising for faster startup times, implementing native bridges for features requiring direct hardware access, such as geolocation services using Core Location More ❯

on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive cross-platform structure. This involves optimising for faster startup times, implementing native bridges for features requiring direct hardware access, such as geolocation services using Core Location More ❯

on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive cross-platform structure. This involves optimising for faster startup times, implementing native bridges for features requiring direct hardware access, such as geolocation services using Core Location More ❯

on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive cross-platform structure. This involves optimising for faster startup times, implementing native bridges for features requiring direct hardware access, such as geolocation services using Core Location More ❯

Android side of our platform, owning features end-to-end, and defining how millions of people might verify themselves securely in the future. What we're looking for: A Kotlin/Java Android developer who can not just build, but architect a secure, performant, and globally-compatible mobile experience. Someone who gets deep, and thrives, in biometrics, NFC, MRZ More ❯

on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive cross-platform structure. This involves optimising for faster startup times, implementing native bridges for features requiring direct hardware access, such as geolocation services using Core Location More ❯