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Job Title:Full Stack Developer – Kotlin / Java. Kotlin, Java, SQL, HTML, and JavaScript.

Commercial experience with Kotlin, or strong Java experience with a willingness to learn Kotlin. We are looking for an experienced Java/Kotlin Developer to join a fast-paced engineering team working on modern developer tooling and compliance platforms. This is an exciting opportunity to contribute t

Our Android app is written fully in Kotlin. Experience in using industry standard tools for Android development, such as Kotlin, Dagger, Jetpack libraries.

You’ll work with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies.

Integration Testing — Automated tests in Kotlin.

AWS GraphQL (it would be nice if you were familiar with this but it’s not a deal breaker) Postgres RabbitMQ Docker KubernetesFrontend React & React Native, TypeScript, MobX, Redux, Stylus and SASS*Other We build our Kotlin projects using Gradle and GitHub Actions, deploying to production

A leading fintech company in Greater London is seeking an experienced mobile app developer to help build their new Android app using Kotlin.

The role involves hands-on development with Kotlin, focusing on building a high impact consumer product. The ideal candidate should have over 5 years of commercial Android experience and deep knowledge of Kotlin.

Strong proficiency in modern backend languages such as Kotlin and/or Python.

As a hybrid WFH Backend Software Engineer/Developer (Java Kotlin AWS), I will be working on a Tech. Strong Java and Kotlin serverside development experience.

Adept in Kotlin, CI/CD, and Android SDK, you will ensure high-quality code and manage app releases.

In this hands-on role, you will design high-quality Android applications using Kotlin, integrate with backend services, and enhance mobile solutions.

The role involves working with Kotlin or Java within an agile team to develop innovative solutions and enhance software performance.

Design, develop, and maintain secure, scalable backend services using Kotlin, Java, and Spring Boot.

We are looking for a highly experienced Kotlin Engineers to join a front‑office engineering team building a next-generation cloud‑hosted issuance platform for Investment Banking Capital Markets. Design, build, and maintain backend services using Kotlin. Strong commercial experience developing ba

This role requires expertise in payment gateway systems and experience in full stack development using Kotlin and React.

The role demands proficiency in Kotlin and Jetpack Compose, with responsibilities for shaping cutting-edge mobile applications.

A leading tech company in the dating sector seeks an experienced Android Developer specializing in Kotlin.

A leading global workforce solutions company in Greater London is seeking a Java & Kotlin Developer with 5 to 7 years of experience. Candidates should have strong skills in Java and Kotlin, and familiarity with microservices architecture.

Expert Kotlin Proficiency: Deep experience with Kotlin and its modern ecosystem; you are someone who keeps abreast of the latest language features. Design and build high-performance backend services using Kotlin, ensuring systems are scalable and resilient. We are seeking Senior Kotlin Developers to

Delivered systems using Rust or Kotlin (or a JVM language) and demonstrated the ability to learn and apply new technologies when required, such as frontend exposure with React/Typescript.

The role involves designing and maintaining secure backend services using Kotlin, Java, and Spring Boot, primarily in a remote setup with occasional onsite attendance in Sheffield, Leeds, or London.

Java (Kotlin) Developer (Agile, Test-Driven) – VP. Ownership and delivery on a variety of components (Java/Kotlin) within the Core Prime Brokerage platform.

The successful candidate will possess strong backend skills in Kotlin/Python and a deep understanding of trading workflows.

Java (Kotlin) Developer (Agile, Test-Driven) – VP in Greater London.

You will develop secure and scalable customer-facing applications using Kotlin for backend services and TypeScript with React for the frontend. Candidates should be proficient in Kotlin and TypeScript and communicate clearly across teams.

In this hybrid role, you will contribute to impactful projects, utilizing Kotlin and modern Android Jetpack components.

Kotlin / Java Developer (Contract) – Outside IR35. Java with a willingness to learn Kotlin.

As a Backend Developer (Kotlin/Java) at CIMAR, you will:. Build and support backend services in Kotlin to support a web UI and a set of remote gateways.

Full Stack Engineer (Kotlin and/or Python) – VP. Strong proficiency in modern backend languages such as Kotlin and/or Python.

A leading software development company in London is seeking a Senior Java/Kotlin Engineer to join their high-impact product engineering team. Ideal candidates will have extensive experience with Java/Kotlin, AWS, and distributed systems.

You will work on high-impact projects for iconic sports brands, focusing on delivering scalable Android applications using Kotlin and Jetpack Compose.

In this role, you will design and build the Android platform, take lead on migrating the app from React Native to Kotlin, and enhance the app's performance and user experience.

Candidates should have at least 3 years of Android development experience, be proficient in Kotlin and Java, and be familiar with MVP and MVVM design patterns.

We're supporting a major payments focused programme that is rapidly scaling across multiple value streams including merchant onboarding, point of sale, and transaction capture services.We're looking for several Senior Software Engineers with strong payments domain experience to join a growing engine

Java, Kotlin, Microservices, Spring, SpringBoot. Seeking a Specialist with 5 to 7 years of experience in Java Frameworks and Kotlin to develop scalable and efficient backend solutions using Microservices Spring and Spring Boot. Utilize Kotlin alongside Java to enhance backend development.

Full Stack Engineer (Kotlin and/or Python) – VPEngineer the future of global finance. Technology Skills Desired:* Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack): + Strong proficiency in modern backend languages such as Kotlin and/or Python.

We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed.

Candidates should have over 5 years of Android development experience, with deep knowledge of Kotlin and Jetpack Compose.

A leading reusable packaging provider in London seeks a Mobile Software Engineer to own the migration to Kotlin Multiplatform and impact waste reduction directly. The ideal candidate should have 1–2 years of mobile engineering experience, particularly with Kotlin, and a strong mindset for startup

In this hybrid role, you will lead feature delivery and collaborate with cross-functional teams for app enhancements using Kotlin and Jetpack Compose.

Senior Mobile Engineer – Kotlin Multiplatform (KMP). Senior Mobile Engineer (KMP) – Would you like the opportunity to work for a market leading organisation? You’ll be a senior mobile engineer working mainly on apps, using Kotlin Multiplatform (KMP) to build features that work on both Android

The ideal candidate will have extensive experience in Android development with Jetpack Compose, Kotlin, and Java, along with a strong background in test-driven development (TDD).

True North Consulting Group Ltd is seeking QA Managers for immediate contract roles within a successful tech consultancy focused on the public sector.Positions are inside IR35 with pay rates between £450-£500 per day.The roles are home-based with minimal travel required.Candidates must be SCC Clea

Candidates should have extensive experience in Kotlin and Android development, along with strong communication skills.

Pleo is seeking a Senior Backend Engineer in Greater London to enhance backend systems, focusing on Kotlin and microservices.

We primarily use JVM‑based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. Software Engineer III - Backend Engineering - Java/Kotlin.

Fetchrewards is seeking an Android Engineer to contribute to our innovative banking solutions.The position offers a salary range of £78,000 - £110,000 and allows for remote work within the UK.You will work in a collaborative squad, focusing on enhancing customer experiences and product development