1 to 25 of 26 Remote/Hybrid Kotlin Jobs in London

performance profiling and memory optimization.* Excellent communication skills and experience working in agile environments.**Nice to Have*** Experience with native iOS (Swift) or Android (Kotlin/Java).* Experience in fintech or banking applications.* Familiarity with feature driven modular architecture.* Experience working with feature flags.* UI automation testing experience. ...

technologies, and enjoys solving complex problems in a collaborative environment. Strong experience developing software with GoLang and Python, with knowledge of Java or Kotlin considered a bonus. A solid understanding of Test-Driven Development (TDD), automated testing, and modern CI/CD practices to deliver high-quality software with ...

every listed qualification exactly. If this role aligns with your strengths and experience, we encourage you to apply. Tools & Education Required: production experience with Kotlin and Swift. Required: experience with Git‐based development workflows and CI/CD release pipelines (We use GitHub Actions). Required: experience with observability ...

verbal communication. Technical Skills: Must have: Strong experience in Full stack development using React, Typescript, Node.js, stylesheets, Java/JVM Based Language Like Java, Kotlin, Microservices. Should have strong hand‐on experience designing and building UI framework using react in align with latest UI framework practices and guidelines. Strong ...

share knowledge and strengthen team skill setsOwn your code, workflows, and data through their entire lifecycleDesired ExperienceWriting high-quality code in Scala, TypeScript, Java, Kotlin or another JVM languageRelational databases (e.g. Postgres, MySQL)NoSQL datastores (e.g. DynamoDB)Stream processing (e.g. Kafka)Experience building scalable web applications serving 10,000s ...

microservice environments Professional experience in application design and development at an enterprise level. (post-graduate) Extensive professional experience developing enterprise applications in Java/Kotlin (Spring Boot) and/or JavaScript/TypeScript (NestJS & Angular) Preferred Experience Experience developing and supporting software in a SaaS environment Experience with Cloud ...

Senior Android Developer (Kotlin and Jetpack Compose) Location: London or Manchester (Hybrid - 2 days per week in the office) We're partnering with one of the UK's leading consumer technology businesses, whose digital platforms help millions of people make smarter financial decisions every month. With a portfolio … Lead the development and delivery of new Android features and enhancements. Contribute to technical strategy and architectural decision-making. Build scalable, maintainable applications using Kotlin and Jetpack Compose. Work closely with Product and Design teams to deliver intuitive user experiences. Champion engineering best practices including TDD, pair programming ...

Senior Android Developer (Kotlin and Jetpack Compose) Location: London or Manchester (Hybrid - 2 days per week in the office) We're partnering with one of the UK's leading consumer technology businesses, whose digital platforms help millions of people make smarter financial decisions every month. With a portfolio … Lead the development and delivery of new Android features and enhancements. Contribute to technical strategy and architectural decision-making. Build scalable, maintainable applications using Kotlin and Jetpack Compose. Work closely with Product and Design teams to deliver intuitive user experiences. Champion engineering best practices including TDD, pair programming ...

delivering value to our customers by developing the product within Europe. Responsibilities Design, build, and maintain high‐performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account‐level features such as tax payments or savings account products for European markets. Collaborate with product managers ...

teams, and continually pushes the bar on how we leverage AI to ship better software, faster. Our Tech Stack PHP 8, Symfony 6 & 7, Kotlin, AWS, MySQL, PostgreSQL, RabbitMQ, Docker, Kubernetes, React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins (we deploy to production as soon ...

Junior Software Engineer (Java/Kotlin/JVM) Contract Overview Role: Junior Software Engineer (Java/Kotlin/JVM) Location: Victoria, London Length: 12 months Start: ASAP Rate: £200 per day Status: Inside IR35 Pattern: Hybrid working About the Role I'm currently recruiting for a Junior Software … product team working across modern financial services technology. This role would suit someone with a few years' commercial software engineering experience, particularly across Java, Kotlin and JVM-based backend development. The successful candidate will be working on modern applications and services that support customer-facing digital products, with ...

e.g. Visa, Mastercard, Interac) Experience working in complex, multi‐service or event‐driven architectures Familiarity with a range of tools and technologies including: Development: Kotlin, Java Data storage: DynamoDB, MySQL Infrastructure as code and CI/CD: Terraform, GitLab CI/CD We don’t require experience in every ...

architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads You may interact with services and systems built in: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust API Design You will design, build, and consume: RESTful APIs GraphQL APIs Company UK's market leading media ...

Manager You maintain your "technical mentorship" through code reviews and architecture discussions. You likely have a strong backend foundation (ideally in java/Kotlin) and a passion for engineering excellence. Systems Thinker You thrive in fast‐paced, evolving environments and excel at managing technical migrations or structural shifts without ...

Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We're working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team on an initial ...

equally comfortable thinking about schema evolution as they are about frontend state management. Backend Mastery: Strong production experience building high-scale services using Java, Kotlin, or Go . Modern Frontend Skills: Hands-on experience building clean, intuitive internal tooling using React and TypeScript . System Design & Integrity: Deep understanding ...

driven systems, distributed systems design* Hands-on experience with event-driven architecture and message queuing systems, particularly Apache Kafka* Strong server-side engineering skills: Kotlin Is our primary development language. Designing, building and consuming domain specific RESTful services & APIs* Proficiency with relational and/or NoSQL databases: PostgreSQL, MongoDB … understand requirements and deliver robust platform solutions* AI experience is highly desirable but not mandatory**Tools you’ll use (depending on role)*** **Server:** Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness* **Infra:** OpenShift, Tekton, Harness ...

Spectrum IT is seeking a Senior Java & Kotlin Backend Engineer for an initial two-month contract in London. The role focuses on greenfield backend development, building scalable microservices, and cloud-native applications. You will work with cross-functional teams to design, develop and deliver robust backend solutions. Ideal candidates … have strong Java/Kotlin experience, Spring Boot, microservices expertise, and familiarity with AWS, Docker, and CI/CD pipelines. #J-18808-Ljbffr ...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ ...

Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We're working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team on an initial ...

Salt Digital Recruitment is seeking a Senior Kotlin Software Engineer for an investment banking client in London. This hybrid role involves developing backend services in a fast-paced environment, focusing on high-quality engineering and collaboration. The ideal candidate will have strong Kotlin development experience, skilled ...

Backend Engineer (Java/Kotlin/Spring Boot) Must have Java, Kotlin, Spring Boot and startup experience. Unfortunately sponsorship is not available. London Hybrid (1 day per week in the office) We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team … building high-quality products with real ownership and impact. Essential Requirements To be considered, you must have: Commercial experience with Java Commercial experience with Kotlin Strong experience building applications with Spring Boot Previous experience working in a startup, scale-up, founding team or stealth startup environment These ...

Decide when to use hybrid vs fully native approaches Lead architecture, spikes, and proof-of-concepts Define integration patterns between React Native, Swift, and Kotlin Set standards for packaging, versioning, and native module bridging Partner with iOS/Android architects on cross-platform design decisions Drive experimentation with WebView … What You Bring Strong production experience with React Native at scale Excellent JavaScript/TypeScript and modern React knowledge Working knowledge of Swift and Kotlin Experience integrating React Native into native mobile apps Strong understanding of mobile performance and platform constraints Experience in complex, multi-team engineering environments Bonus ...

engineering excellence. The role is based in London and the team is international. What you will do Design, build, and operate backend services in Kotlin and Python that power our trading products, from core trading workflows to client-facing APIs. Develop and improve services for order management, market data … technical decisions, writing clean, maintainable code and sharing knowledge across the team. What you will need Professional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such ...

management role for a builder-leader. You will lead a team of strong staff and senior engineers through a critical transition: evolving from a Kotlin-first SDK to a hybrid architecture that makes Python a first-class citizen for agentic development. You will own delivery of the platform roadmap … drive decisions. Own the team's cost and resourcing decisions: LLM spend, infrastructure costs, headcount. For more context, our tech stack currently includes AWS, Kotlin, Python, Kubernetes. LiteLLM, BrainTrust, Temporal, LLM APIs and more. You do not need to be an expert across all of these, but need enough ...