276 to 300 of 437 Kotlin Jobs in the UK

Citi is seeking a hands-on engineer to lead and deliver core Prime Brokerage components using Kotlin/Java, shaping technical direction and ownership. You will collaborate with stakeholders, drive planning and estimation, and stay hands-on to push changes into production. The role emphasizes high engineering standards, shift ...

focusing on both new development and maintaining existing systems in a collaborative fintech environment. The role offers hands-on engineering experience in Java and Kotlin, with opportunities to learn about real-time systems, data integrations, and accounting #J-18808-Ljbffr ...

Advisor LLP is seeking an Android Engineer based in London to develop mobile components that capture user behavior. The role involves building high-quality Kotlin code and collaborating with cross-functional teams. You’ll contribute to improving the systems used for consuming data insights that impact millions of Spotify ...

obtain UK Security Clearance (SC Level) prior to appointment. Ever built Android apps that actually feel fast, modern, and clean? Comfortable jumping between Kotlin, backend services, and cloud-native systems without getting boxed into one layer? Want to work on secure, real-world systems where engineering quality genuinely matters … This is a hands‐on engineering role across mobile, backend, and cloud. You’ll be building Android applications using Kotlin + Jetpack Compose, designing and shipping backend services in Rust, Python, or Go, and working with Docker, CI/CD pipelines, and cloud platforms (AWS/Azure ...

Engineer | Cheltenham | Permanent | SC Clearance Build secure, mission-critical technology that makes a real-world impact. We're seeking a Software Engineer with strong Kotlin and Android development experience to join a high-performing team delivering innovative digital solutions within secure environments. You'll work alongside talented engineers, architects … take ownership, contribute ideas, and help shape solutions from concept through to deployment. What You'll Be Doing Developing robust Android applications using Kotlin and Jetpack Compose Building scalable backend services using Rust, Python, or Go Designing and consuming web APIs and modern software architectures Working with Docker ...

first engineering organization. The ideal candidate uses agentic AI tools as a force multiplier and is comfortable flexing to tackle backend tasks (Kotlin/Spring) when squad priorities shift. Core Responsibilities Feature Development: Build, test, and optimize highly scalable, user-oriented features for our client-facing web application. Full … Mindset: An independent, critical thinker who thrives in collaborative, small-team environments and values continuous feedback. Bonus Points Backend development experience in Java or Kotlin (ideally Spring Boot). Understanding of microservices, database concepts (RDBMS/PostgreSQL), and event-driven architectures (Kafka). Familiarity with containerization (Docker) or cloud ...

broader team and Android engineering environment. What You’ll Do Build Exceptional Android Experiences Design, develop, test, and maintain high‐quality Android applications using Kotlin and modern Android development practices. Own complex features and technical initiatives from design through implementation, launch, and ongoing operation. Partner closely with Product … stakeholders. What We’re Looking For 5+ years of professional software engineering experience, with significant experience building and shipping Android applications. Deep proficiency with Kotlin and the modern Android ecosystem. Strong knowledge of Android architecture, application lifecycle, concurrency, networking, persistence, and performance optimization. Experience with modern Android frameworks ...

Lead Software Engineer - Full Stack Java, Kotlin BOURNEMOUTH, DORSET, United Kingdom Job Information Job Identification 210726816 Job Category Software Engineering Business Unit Commercial & Investment Bank Posting Date 03/27/2026, 10:42 AM Job Schedule Full time Job Shift Day About Us J.P. Morgan is a global … across the stack. Required qualifications, capabilities, and skills Professional experience building production-level software. Experience designing and building scalable server-side applications using Java, Kotlin, or other JVM-based languages. Experience building web services with the Spring framework. Proficiency with TypeScript and React, and experience building high-performance ...

Senior Kotlin Developer Birmingham (Hybrid - 2 Days Per Week Onsite) £57,500 - £72,000 + Excellent Benefits Harvey Nash are recruiting for experienced Senior Kotlin Developers to join a rapidly growing digital consultancy delivering large-scale, mission-critical software projects. This is an opportunity to work on complex … systems, modern cloud-native architectures and high-impact digital services within collaborative, agile teams. What You'll Be Doing Developing scalable backend applications using Kotlin Building secure, cloud-based solutions within AWS environments Working closely with architects, product teams and fellow engineers Writing clean, maintainable and well-tested code ...

work on products used by real customers in a fast-moving Fintech environment. You’ll play a key role in developing Android applications using Kotlin , while also using AI tools and technologies to improve your development workflow, productivity and software delivery . The role You will: Develop and maintain … Android applications using Kotlin Build secure, scalable and high-quality mobile payment features Use AI tools and technologies within your software development workflow Work with Product, UX/UI and Backend teams to deliver new features Contribute to technical design and architectural decisions Write clean, maintainable and well-tested ...

they can support development while maintaining quality and good engineering judgement. What you’ll be responsible for Develop and maintain Android features using Kotlin, Jetpack Compose and established architecture patterns. Work on API integration, data handling, networking and caching, with support on more complex offline and sync requirements. Collaborate … releases and improvements to tooling, documentation and development practices. What you’ll bring Practical experience developing and releasing Android applications. Working proficiency in Kotlin and Jetpack Compose, with a good understanding of Android frameworks and APIs. Familiarity with modern Android architecture, including ViewModels, coroutines and Flow. Experience integrating APIs ...

speed, reliability, and developer quality, flows from the engineering platform this role leads. We are building a dedicated POS Application Platform function: the foundational Kotlin-based engineering layer that sits beneath every POS product at Moniepoint. Think of it as the operating system for our POS engineering organisation … experience navigating payment certification processes such as PCI DSS and P2PE. Candidates without this will not be considered. Deep Android engineering expertise in Kotlin and Java. The POS application layer at Moniepoint is Android‐based and there are no exceptions to this requirement. Proven experience building internal engineering platforms ...

working primarily on a large, Terraform-driven estate on AWS, with the opportunity to grow into server-side development in Java (Spring Boot) and Kotlin over time. Job responsibilities Build and maintain scalable, resilient AWS infrastructure using Terraform as modular, single-purpose stacks, supporting core services such … data according to sensitivity and security requirements Contribute to server-side development on the Spectrum Portfolio Management Fixed Income product (Java and/or Kotlin, Spring Boot) as your skills expand Support a team culture of diversity, inclusion, opportunity, and respect Required qualifications, capabilities, and skills Formal training ...

exists Our domain is a healthy challenge: multi-custodian, multi-currency, multi-entity financial data, modelled thoughtfully and available at scale. The platform is Kotlin and Spring microservices, with Python where it pays off: metrics, analytics and our AI work. Good features start well before any code gets written … platform, you name it and propose what should exist. You own feature architecture end to end, from the React frontend through our Kotlin and Spring services, across data stores and events, down to Azure. You decide what goes where, and push hard for the simplest solution the existing architecture ...

contributing to both new features and ongoing improvements to the app. How you will contribute in this role: Develop and maintain Android applications using Kotlin and modern frameworks. Build user interfaces and features in collaboration with Product and Design. Contribute to application architecture and code quality within the team. … deliver end‐to‐end functionality. Support testing, release, and CI/CD processes. What we’re looking for: Experience in Android development. Proficiency in Kotlin and familiarity with Android frameworks (e.g. Jetpack Compose, Android SDK). Experience building and shipping mobile applications. Understanding of mobile development fundamentals, including ...

responsibility, so engineers own testing too. We care about strong engineering fundamentals, especially as AI changes how we build. You’ll mostly write Kotlin, working with Spring, Postgres, Elasticsearch and Kafka, and deploying to Kubernetes on AWS through GitHub and ArgoCD. Real ownership : you’ll shape problems with … legacy, and our systems have been built in the last few years Skills & Experience Experience working as a software developer with Java or Kotlin server-side applications Track record of turning business problems into working software, with a clear, measurable impact Experience building and running mission‐critical services ...

environment: peer review, test coverage, acceptance criteria and release notes are audit evidence, not ceremony. Java and Spring Boot today. We expect to introduce Kotlin on the new platform and want people who would enjoy that. A small, growing in-house team working with our Principal Architect … read by colleagues outside engineering, our partner and our auditors. Degree in computer science or a related field, or equivalent practical experience. Desirable Kotlin, or a strong interest in it. Payments, PSP or payment gateway integration experience. Experience building or operating multi-tenant SaaS. Experience working alongside, or reviewing ...

Cleared Developer - TypeScript, React, Kotlin, AWS £market rate (Outside IR35) 6 Month Contract Primarily Remote - occasional London/Manchester travel I'm currently working with a leading organisation seeking Developers for a major public sector programme. You'll be working across a modern full-stack environment, supporting the development … delivery of cloud-based applications using React, TypeScript, Kotlin and AWS. Key Requirements: Proven experience as a Developer with strong TypeScript/React Must hold active SC Clearance. Kotlin and Spring Boot development. Hands-on AWS experience across ECS, Lambda, S3, SQS, RDS, IAM, CloudWatch and OpenSearch. Terraform ...

## SDLC & Release Automation Java/Kotlin EngineerApply: Remote: Telecommuter United Kingdom: Full time: Posted Today: 261001969Join Citi’s Chief Technology Office as a Server-Side Engineer within our Developer Enablement team, building strategic internal platforms used by over 30,000 engineers globally. You’ll develop scalable backend services … automation.* Explore and apply emerging AI technologies to improve products and developer experience.## **Skills & Experience****Essential*** Strong commercial experience with **Java (21+) or Kotlin**.* Experience building RESTful APIs and backend services.* Knowledge of relational and/or NoSQL databases (PostgreSQL, MongoDB or Couchbase).* Experience delivering production-grade ...

Hybrid (3 days per week in office) Clearance Required: BPSS Our client in the Information Technology and Services industry is looking for a Kotlin (or Java) Developer to work within the Developer Experience (DevX) Standards and Controls function, which is building a platform for control owners and development teams … manage and view their compliance with a range of software development controls. The successful candidate will work on Kotlin and Java-based web applications and APIs across 2–3 applications and proofs of concept. Exact candidate allocation will depend on experience and fit. All applications have a microservice architecture ...

build the app customers use to manage their money: accounts, cards, payments, savings, deposits, and onboarding/KYC. The Android codebase is modular and Kotlin-first, organised into independent core and feature modules. About the role We'rehiring a Senior Android Engineer to take a leading technical role … closely with product, design, and backend engineering to ship features that are secure, fast, and genuinely good to use.There'salso theoptionto contribute to our Kotlin backend-for-frontend (BFF), for engineers who want exposure across the stack. What you'll work on Design, build, and maintain features across ...

build the app customers use to manage their money: accounts, cards, payments, savings, deposits, and onboarding/KYC. The Android codebase is modular and Kotlin-first, organised into independent core and feature modules. About the role We'rehiring a Senior Android Engineer to take a leading technical role … closely with product, design, and backend engineering to ship features that are secure, fast, and genuinely good to use.There'salso theoptionto contribute to our Kotlin backend-for-frontend (BFF), for engineers who want exposure across the stack. What you'll work on Design, build, and maintain features across ...

mobile build & release systems Strong grasp of architecture patterns Preferred qualifications, capabilities and skills Published React Native app(s) in public app stores Native Kotlin and/or Swift experience Kotlin Multiplatform exposure #ICBCareer #ICBEngineering #J-18808-Ljbffr ...

deploying onto customer systems. The team within which you will work is highly collaborative and supportive. Your work may include Develop reliable applications in Kotlin Jetpack Compose for Android, with the potential to branch out into Kotlin Multi-Platform. These applications focus on a range of user experiences ...

bounded context first. We’re partway through breaking our Ruby/Elixir monoliths into services. Our mobile apps are native, Swift on iOS and Kotlin on Android, and the APIs you write serve them too. You don’t need Swift or Kotlin on day one, but you will ...