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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. Contract Java/Kotlin Developer. We are looking for an experienced Java/Kotlin Developer to join a fast-paced engineering team working on modern developer tooling and compliance platforms.

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

On behalf of Deutsche Bank, we are looking for a Kotlin Developer for a 6 month contract based in London. Purpose of the role: DB require two senior, experienced Kotlin engineers to support and extend a cloud-hosted platform used for bookbuilding issuances across Investment Banking Capital Markets.

A leading healthcare technology provider is seeking a remote Backend Developer proficient in Kotlin and Java.

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.

The ideal candidate will have 5+ years of experience in Android development, strong expertise in Kotlin, and a deep understanding of Android architecture patterns.

Ideal candidates have over 6 years of experience, strong skills in Kotlin and Android architecture, and a collaborative mindset.

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

This hybrid role involves enhancing an in-house mobile application for live sports tracking, requiring expertise in Kotlin and the Camera 2 API.

You will migrate their app from React Native to a fully native Android experience using Kotlin.

Candidates should have 4-5 years of mobile development experience, proficiency in Kotlin, and familiarity with Jetpack Compose.

A leading financial services firm in Greater London is seeking a Senior Lead Software Engineer.The successful candidate will drive innovative product solutions while prioritizing collaboration and diversity in a tech-driven environment.Responsibilities include developing scalable and secure code, pr

Apron, a leading fintech company, is looking for a Backend Engineer to join their world-class Engineering team.The successful candidate will have 6-15 years of experience and will work cross-functionally to build innovative products such as Capture and Bill Pay while focusing on system design and co

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.

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

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.

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).

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

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

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

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 role involves designing and developing scalable Android applications using Kotlin and Java, integrating REST APIs, and mentoring junior developers.

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

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

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

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

The ideal candidate has a strong proficiency in Kotlin, excellent communication skills, and the ability to collaborate within a team.

Full Stack Engineer (Kotlin and/or Python) at the VP level to design and develop innovative solutions within Equities Technology. Key skills include proficiency in Kotlin/Python, microservices architecture experience, and a knowledge of trading workflows.

Ideal candidates should have solid experience with Kotlin, proficiency in React, and familiarity with modern development practices. A growing technology firm is seeking a Full Stack Engineer (Kotlin, React) to join their team.

A prominent financial services firm in London is seeking a full stack developer skilled in Kotlin or Java, along with TypeScript.

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

Client Server in Greater London is looking for a Backend Software Engineer proficient in Java, Kotlin, SpringBoot, and AWS.

Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London.

Oliver Bernard is seeking a Senior Android Engineer in London to develop and enhance their flagship app, built fully with Kotlin. The role demands over 5 years of Android experience and deep Kotlin knowledge, where you will join an engineering group focused on major new features and architectural di

Proficiency in JVM-based languages, specifically Java or Kotlin.

Ideal candidates will have experience in Kotlin and Jetpack Compose, alongside a passion for mobile development.

Backend Software Engineer Java Kotlin AWS (PR/100709) London, England. Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.

V is looking for a (Mid/Senior/Staff) Backend Engineer in London to build and test services using modern tools from the JVM ecosystem such as Kotlin, Spring, and Vert.

The ideal candidate has substantial experience in Java or Kotlin, strong background in team development, and stakeholder management.

Limelight Health is looking for a Senior Java / Kotlin Engineer to work on-site in Greater London or Leeds. Candidates should have over 5 years of experience in Java or Kotlin and practical experience in test driven development.

A leading technology company in Greater London is seeking a full-stack cross-platform Android Engineer to lead mobile development projects using Kotlin and Rust.

Ideal candidates will have strong Kotlin or Java backgrounds, delivery ownership, and a keen interest in payments and travel distribution.

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