1 to 25 of 42 Kotlin Jobs in the UK

maintain performance and usability Code Quality & Optimisation: Contribute to clean, efficient and scalable code development CANDIDATE REQUIREMENTS ESSENTIAL Experience developing mobile applications using Kotlin or Jetpack Compose for Android Experience developing iOS applications using Swift or SwiftUI Proven experience building and maintaining applications in a production environment Ability ...

date with the latest Android trends, tools, and technologies Required Skills & Experience 5+ years of experience in Android development Strong proficiency in Kotlin (and solid knowledge of Java) Experience with modern Android architecture patterns ( MVVM, Clean Architecture ) Deep understanding of Android SDK, Jetpack components, and app lifecycle Experience with ...

date with the latest trends and technologies in mobile development Requirements 4+ years of professional Android development experience (Senior) Strong proficiency in Kotlin and modern Android development practices Experience with Jetpack Compose, MVVM architecture, and dependency injection (e.g., Hilt or Dagger) Familiarity with RESTful APIs, GraphQL, and third-party ...

libraries, frameworks, and platform components that power our services.* Innovation & Research: Stay ahead of the curve on Java ecosystem developments (e.g. Project Loom, GraalVM, Kotlin, Quarkus) and lead strategic adoption.* Cross-Functional Collaboration: Work closely with product, architecture, and platform teams to deliver cohesive, performant, and secure solutions.**WHAT ...

evolving environment. Strong communication and collaboration abilities, with a focus on mentoring junior team members. Knowledge of front-end technologies (e.g., React, SwiftUI, Kotlin) is advantageous. Nice to Have: Experience in financial services or banking, with an understanding of industry-specific regulatory and compliance requirements. Familiarity with DevOps practices ...

migrating serverless components (e.g., AWS Lambda) into Rails applications. Familiarity with Vue.js to support frontend collaboration. Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private ...

Technical Background Deep technical background with hands‐on experience in backend systems, microservices, and distributed architectures Strong full‐stack foundation: .NET Core, Node.js, Python, Kotlin, cloud platforms (AWS, Azure), containerisation (Kubernetes, Docker) Track record of delivering high‐scale, reliable, and secure platforms for enterprise customers Knowledge of modern engineering ...

code Skills: Proven experience working as a Mobile Engineer on consumer‐facing applications Strong hands‐on experience with iOS (Swift) and/or Android (Kotlin) Experience integrating with GraphQL‐based APIs Experience building transactional, pricing, or e‐commerce‐driven user journeys Strong understanding of mobile performance optimisation and stability ...

prototype ideas and help scale them into reliable production systems Occasionally contribute small frontend updates (React/TypeScript) Tech Requirements Must have: Java or Kotlin, Spring Boot MySQL, OpenSearch, AWS Nice to have: Groovy, Ruby on Rails, React/TypeScript Candidate Profile Several years' backend engineering experience Prior startup ...

Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition) and OCR library implementations Exposure to process modelling, for example in BPMN IoT relay control ...

looking for a collaborative, proactive, flexible, and detail-oriented individual with a passion for innovation. Your technical toolkit should include: Strong development experience using Kotlin, including integration and unit testing. Strong understanding and experience with Android architecture (multi-modules, Dependency Injection, MVVM). Proficiency in building user interfaces with ...

knowledge within the team Skills & Experience (Essential) Strong experience with cloud-based data architectures (GCP experience essential) Proficiency in Python, SQL, (epsoure to Java, Kotlin, Bash) Hands-on experience with modern data tools such as BigQuery, Dataflow, Pub/Sub, dbt, Kubernetes, or similar Experience building and maintaining data ...

patterns, and standards. We're looking for a collaborative, proactive, flexible, and detail-oriented individual with a passion for innovation. Strong development experience using Kotlin, including integration and unit testing. Strong understanding and experience with Android architecture (multi-modules, Dependency Injection, MVVM). Proficiency in building user interfaces with ...

stability Contribute to consistent cross-platform user experiences Profile The Mobile Engineer will have strong experience with iOS (Swift) and/or Android (Kotlin) Experience integrating with GraphQLAPIs Experience building user experiences tied to transactions, pricing, or eCommerce flows is strongly preferred Ability to work in fast-paced, evolving ...

areas of depth may include one or more of: Web/Front-end engineering Java/AWS backend and distributed systems React Native Android (Kotlin) iOS (Swift) Successful candidates demonstrate deep expertise in at least one of these areas while maintaining practical experience and willingness to work across others. … Software Engineer or equivalent. Deep expertise in at least one of: Modern web/front-end engineering (TypeScript/JavaScript frameworks) React Native Android (Kotlin) iOS (Swift) Java/AWS backend engineering and distributed systems Demonstrated ability to work across multiple parts of the stack. Strong understanding of modern ...

TrueNorth are working with a successful tech consultancy that works heavily in the public sector - we're looking for QA Managers for some immediate contract roles. Key skills: Integration Testing – Automated tests in Kotlin. UI ...

plus if you have Experience in retail , e‐commerce , or marketplace platforms Expertise in one or more backend languages (e.g. Go, Kotlin ) Background working with data‐intensive systems , experimentation, or analytics to inform and validate product and technical decisions for B2B/merchant use cases Our Commitment to Diversity ...

Android Software Engineer (Kotlin) Cheltenham/Hybrid/Remote My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile solutions into the national defence sector. This is an opportunity to work across live programmes … peer-sharing culture Career progression The role and responsibilities Designing, developing, testing, and maintaining high-quality Android applications Building secure, robust mobile applications in Kotlin Applying modern Android architecture patterns such as MVVM, MVI, and Clean Architecture Writing clean, maintainable code using modern Android practices including coroutines, Flow ...

Doing Leading the design and delivery of full stack features across backend and frontend systems within a cross-functional squad Building and maintaining Kotlin/Java Spring Boot microservices deployed as containerised applications on Azure Developing modern, accessible user interfaces using React and TypeScript, aligned to shared design systems … junior team members Promoting effective use of AI-assisted development tools to improve speed and code quality responsibly Main Skills Needed Strong experience with Kotlin or Java and Spring Boot microservices in production environments Solid frontend expertise using React and TypeScript with a focus on performance and accessibility Experience ...

DevX_Kotlin (or Java) Developer SheffieldHybrid - 60% office 40% home Duration: 30/11/2026 Rate £418 MUST BE PAYE THROUGH UMBRELLA Role Description: Required Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in at least two or three … control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java-based web applications and APIs. There are 2-3 applications and PoCs we are hiring for. Exact candidate allocation will depend ...

Join a leading independent Banking and services provider as a Kotlin/Java Developer. Job Overview: The role sits within a Developer Experience (DevX) function focused on building and managing platforms that enable software engineering teams to develop, deploy, and operate applications efficiently and consistently.You will work on client … engineering team to continuously improve development processes Participate in peer reviews and contribute to knowledge-sharing initiatives Required Skills & Experience Strong experience in Kotlin or Java with the ability and willingness to work across both where required Experience developing REST APIs and working with frameworks such as Spring Solid ...

whether that's AI-powered prototyping, agent systems, or orchestration. MCP experience is a plus. Deep expertise in at least one programming language (JavaScript, Kotlin, Swift, or similar). We expect you'll use AI tools to accelerate your work — but there's no substitute for genuine fluency. Creative ...

Mobile Application Developer (Kotlin Multiplatform) H2 Cognitive Designs | London, Hybrid | Full-time | 12-month FTC (likely extension) | Immediate start Company Description: H2 Cognitive Designs (H2CD) develops cognitive testing and remote clinical assessment tools for healthcare providers, academic institutions, and defence and research partners. Our flagship platform, Cognitron , is used … Greater London , with a mix of office and home days. You will design, develop, and maintain our mobile applications for iOS and Android using Kotlin Multiplatform (KMP) and Compose Multiplatform, directly contributing to the scalability, performance, and clinical utility of our flagship products. You will also work ...

Required : Experience in Kotlin (or significant Java experience ) Experienced in API development, SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked by others Experience working with standard … active member of a team, participating in peer reviews and in testing others code through automated test scripting Skills Required: Experience in Kotlin (or Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript ...

Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. Responsibilities … team Stay curious about the wider engineering landscape and bring relevant insights back to the team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring Boot or Kotlin or Java to build robust microservices A passion for creating API-first ...