351 to 375 of 445 Kotlin Jobs in the UK

able to work without visa sponsorship. We are not sponsoring a work visa for this role. 2+ years creating cutting edge Android apps in Kotlin Strong grasp of Coroutines Experience with caching To be able to iterate quickly on designs across multiple feature areas Working knowledge of agile methodologies … developments and features Live and breathe all things Google IO and Android Experience around threading, animation, video/image manipulation, messaging Technology we love Kotlin Jetpack Compose Coroutines MockK, JUnit Room, Ktor, Hilt Reactive, MVVM/MVI Firebase Github Why join Muzz? We’re a profitable Consumer Tech startup ...

intelligent rate‐limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM‐assisted workflows—to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API‐first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

other operational data. Design reference data frameworks and accounting pipelines supporting both traditional financial instruments and digital assets. Develop primarily in Java and Kotlin, contributing to architecture and technical design while remaining highly hands-on. Maintain, refactor, and improve existing production code alongside developing new functionality. Take … analytical skills. Ability to work independently and take ownership in a fast-paced, high-performance environment. Strong communication and collaboration skills. Desirable Commercial Kotlin experience. Previous experience within financial services, trading, banking, hedge funds, or fintech. Experience within cryptocurrency or digital assets. Knowledge of crypto exchanges, trading venues, protocols ...

major growth target for Citi – with technology providing the key to unlock this potential. Key Responsibilities Delivery of Swap Processing components (Java/Kotlin) within the Strategic Swaps Platform Developer-led automated testing with a focus on Test Driven Development Working within an Agile team focussed on Continuous Integration … changes in expectations or requirements Technical Experience Java & Test-Driven Development are essential. Experience in any number of additional technologies (listed below) is advantageous Kotlin Cloud Technologies (Kubernetes, Open Shift) Messaging Technologies (Kafka, Solace, TIBCO) Database/Data Store/Data Query Technologies (SQL Server, Trino, Mongo, S3) Observability ...

view with close, day‐to‐day engagement in real technical challenges. Responsibilities: Own, design, and build core components of the Prime Brokerage platform in Kotlin/Java. Shape complex business requirements into clear technical direction and maintainable solutions. Lead planning and estimation with technical teams and business stakeholders. Stay … Development are essential. Experience designing and developing robust and resilient event‐driven architectures. Experience in any number of additional technologies (listed below) is advantageous: Kotlin Messaging Technologies (Kafka, Solace, TIBCO) Database/Data Store/Data Query Technologies (SQL Server, Mongo, S3) Cloud Technologies (Kubernetes, Open Shift) Observability Technologies ...

next generation of financial products, including lending platforms, credit cards, auto-finance solutions, and new launches planned for this year. As a Senior Kotlin Engineer, you’ll join a newly forming pod with the opportunity to influence architectural decisions, shape design discussions, and help deliver elegant solutions to complex … financial challenges. This is a role for an engineer who not only writes clean, idiomatic Kotlin but also elevates those around them through collaboration and thoughtful technical leadership. What You’ll Do Develop and maintain high-performance backend services in Kotlin, contributing to APIs, internal tooling ...

Technopride Ltd in London, United Kingdom, is seeking an experienced Android Developer with strong Kotlin expertise to deliver modern mobile solutions. The role requires 5+ years hands-on Android development, MVVM, SOLID, UI/UX guidelines, and a DevOps mindset with CI/CD experience. Eligibility for BPSS clearance ...

Addition is seeking a Software Engineer to design, develop and deliver secure digital solutions for Defence and National Security contexts. You will work with Kotlin/Jetpack Compose on Android and with Rust/Python/Go on backend APIs, in a hybrid Cheltenham setting with 3 days ...

Group is seeking a Software Engineer to design, develop, and deliver high-quality features powering the Credit platform for partners globally, using Java/Kotlin and microservices. You will work with product managers and designers, review code, and contribute to DevOps practices while ensuring reliability and performance across cloud ...

Radar Page is looking for a Software Engineer in Cheltenham, UK to help design, build, and deliver secure digital solutions. Candidates must have strong Kotlin experience and be skilled in developing reliable Android applications using Jetpack Compose. The role involves collaborating with engineers and delivery specialists while ensuring efficient ...

security expectations; experience coaching senior engineers/leads on compliant usage patterns and controls. Technologies: We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense ...

resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices Technologies: We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense ...

within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Swift and Kotlin Multiplatform (KMP), using shared business logic across iOS and other platforms Writing clean, maintainable, and well-tested code using Swift, Kotlin and modern … development practices Creating intuitive, responsive user interfaces using SwiftUI and modern iOS frameworks Integrating iOS applications with shared Kotlin Multiplatform modules and contributing to shared KMP codebases Working closely with designers, product owners, testers, and clients in a collaborative, agile environment Championing engineering excellence and best practices across both ...

within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Swift and Kotlin Multiplatform (KMP), using shared business logic across iOS and other platforms Writing clean, maintainable, and well-tested code using Swift, Kotlin and modern … development practices Creating intuitive, responsive user interfaces using SwiftUI and modern iOS frameworks Integrating iOS applications with shared Kotlin Multiplatform modules and contributing to shared KMP codebases Working closely with designers, product owners, testers, and clients in a collaborative, agile environment Championing engineering excellence and best practices across both ...

within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Swift and Kotlin Multiplatform (KMP), using shared business logic across iOS and other platforms Writing clean, maintainable, and well-tested code using Swift, Kotlin and modern … development practices Creating intuitive, responsive user interfaces using SwiftUI and modern iOS frameworks Integrating iOS applications with shared Kotlin Multiplatform modules and contributing to shared KMP codebases Working closely with designers, product owners, testers, and clients in a collaborative, agile environment Championing engineering excellence and best practices across both ...

within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Swift and Kotlin Multiplatform (KMP), using shared business logic across iOS and other platforms Writing clean, maintainable, and well-tested code using Swift, Kotlin and modern … development practices Creating intuitive, responsive user interfaces using SwiftUI and modern iOS frameworks Integrating iOS applications with shared Kotlin Multiplatform modules and contributing to shared KMP codebases Working closely with designers, product owners, testers, and clients in a collaborative, agile environment Championing engineering excellence and best practices across both ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

while working on fast-moving, purpose-driven projects that reach millions of fans worldwide. Requirements Build and maintain high-quality native Android applications using Kotlin and Jetpack Compose, with a focus on fast delivery and maintainable architecture. Work closely with internal teams and client stakeholders to develop … with 2 days per week in our office to enable strong collaboration on fast-moving projects. What We’re Looking For Proven expertise in Kotlin and Jetpack Compose, ideally with multiple apps shipped to the App Store or in production use. Strong understanding of scalable app architectures (e.g. clean ...

Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to production code, shape product direction … including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono, Postgres, AWS, Kamailio) powering the Voop network. Work on systems for mobile network management , device control ...

maintain mobile client components that capture and report listening and user behavior signals across Spotify. Build high-quality, well-tested, and well-documented Kotlin code that contributes to business-critical datasets used for royalty reporting, analytics, experimentation, and personalization. Collaborate with engineers across Android, iOS, backend, and data teams … Contribute to a culture of continuous learning, knowledge sharing, and technical excellence. Who You Are You have experience developing Android and iOS applications using Kotlin, Swift, or Objective‐C. You know how to build maintainable, scalable, and well-tested software systems. You are comfortable working within large codebases ...

norms. Taptap Send is a cross-platform mobile app developed with React Native and TypeScript, which talks to a backend service written in Kotlin and backed by a PostgreSQL database, all of which runs on AWS and is managed via Terraform and Ansible. This is a backend-focused role … ship working features Work in an iterative fashion Evaluate and deliver timeline estimates Requirements: 7+ years of professional experience building backend systems Proficiency with Kotlin or Java/JVM Proficiency with PostgreSQL Experience with AWS: S3, SQS, SNS, Lambda, etc. Experience implementing and managing elaborate integrations with third-party ...

build scalable distributed systems and deliver customer-facing products used by millions of users. You are proficient in backend programming languages such as Java, Kotlin, Python, or Go . You have strong experience designing asynchronous, reliable, and scalable systems within microservice architectures . You are comfortable working in greenfield … build scalable distributed systems and deliver customer-facing products used by millions of users. You are proficient in backend programming languages such as Java, Kotlin, Python, or Go . You have strong experience designing asynchronous, reliable, and scalable systems within microservice architectures . You are comfortable working in greenfield ...