51 to 75 of 87 Kotlin Jobs in the UK

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 ...

spearhead the re-platform of Finance Technology applications. You will design, build, and deliver scalable, robust software using React, TypeScript, Node.js, Java/Kotlin, and microservices. You will work in a global team, promote engineering excellence, collaborate with product owners and architecture, and stay aligned with Citi’s strategic ...

will set architectural direction, mentor engineers, and deliver AI-enabled features for scalable mobile platforms. The ideal candidate has 12+ years in Android, strong Kotlin and Jetpack skills, and a track record of cross-team leadership in a global environment. #J-18808-Ljbffr ...

hands-on. Experience Building and managing the following functions with software engineering: Front end, back end, integration's, mobile engineering. Technology stack: Kotlin multi-platform (KMP), React, Next JS, C#, .NET, Azure Cloud and API/event-driven patterns. You will be required to be a strong senior individual ...

hands-on. Experience Building and managing the following functions with software engineering: Front end, back end, integration's, mobile engineering. Technology stack: Kotlin multi-platform (KMP), React, Next JS, C#, .NET, Azure Cloud and API/event-driven patterns. You will be required to be a strong senior individual ...

build scalable backend services and user‐facing tools that help merchants grow through offers, discounts, and incentives on our platform. You will work across Kotlin, Python, Go, and React, driving complex, cross‐functional initiatives in a fast‐moving environment. You’ll collaborate with product, design, and business stakeholders ...

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 ...

from idea through to release, helping deliver features that make a real difference to users. What you'll be doing Developing new features using Kotlin and Jetpack Compose. Taking ownership of technical decisions and helping shape the future of the Android platform. Writing clean, scalable and maintainable code. Working … developers and sharing your knowledge across the team. What we're looking for You'll ideally have: Strong commercial experience developing Android applications. Excellent Kotlin and Jetpack Compose skills. A solid understanding of Android architecture and design patterns. Experience working in Agile teams. A collaborative approach and a passion ...

Senior Kotlin Software Engineer (Investment Banking) – London/hybrid Daily rate: £600 – £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud‐hosted platform team within an investment banking environment. This … opportunity to work closely with business stakeholders in a demanding and high‐impact environment. Key Responsibilities Design, develop, test, and maintain backend services using Kotlin Contribute across the full software lifecycle: development, integration, and production support Implement and support event‐driven architectures, including event sourcing and event streaming Work ...

Trade Technology to lead the Equity Derivatives front office platform, delivering high-quality, customer-focused solutions while staying hands-on with architecture and Kotlin development. You will direct a globally distributed engineering team, mentor colleagues, and partner with Trading, Structuring, Quants and Product Owners to translate needs into scalable ...

Title: Lead (Kotlin/Java) Location: Sheffield (3 days a week onsite is mandatory) Contract Job Description: Technologies we use in the role (Required): Kotlin, Java, Microservices, REST APIs, SQL/Databases, HTML/JavaScript, Asynchronous messaging/event-driven architectures (Kafka or similar) Proactive person who will … Support sprint planning by shaping technical approaches, identifying spikes, and helping the team size work appropriately. Design, develop and implement primarily back-end features (Kotlin/Java APIs and services), with a small element of UI work using a simple UI framework. Build and evolve APIs and microservices, applying ...

standards and familiarity with AI-assisted development tools (e.g., GitHub Copilot) are highly desirable. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support … generated code prior to production use Use AI tools to support debugging, root cause analysis, and impact assessment Skills & Experience Essential: Strong experience with Kotlin (preferred) and/or Java, and the Android SDK Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console ...

work on large-scale consumer products, delivering robust mobile applications using modern Android technologies. Responsibilities Design, develop and maintain native Android applications using Kotlin and Jetpack Compose. Collaborate with Product and Design teams to shape solutions and deliver excellent user experiences. Contribute to technical design, estimation and sprint planning. … software delivery practices. Participate in code reviews and share technical knowledge across the team. Essential Skills Extensive commercial experience developing native Android applications. Strong Kotlin development experience. Excellent experience with Jetpack Compose. Strong understanding of modern Android architecture patterns and state management. Experience building and maintaining large-scale mobile ...

Software Developer (Android): Design, develop, test and maintain Android applications Build robust, scalable and user-friendly mobile features Work with Android SDK, Kotlin and/or Java, Android Studio, Gradle, and modern Android development practices Collaborate with technical teams and stakeholders across the business Participate in code reviews … requirements, Play Integrity, Google APIs, Firebase services and Android compatibility standards Essential Skills & Experience: Minimum 3 years' commercial Android development experience Experience with Kotlin and/or Java Hands-on experience publishing and maintaining apps on the Google Play Store Strong debugging, problem-solving and communication skills Your Package ...

DevX_POD Lead (Kotlin/Java) Hybrid 60% office-40% Remote - Sheffield Duration: 30/11/2026 Rate £529 MUST BE PAYE THROUGH UMBRELLA Role Description : Technologies we use in the role (Required): Kotlin, Java, Microservices, REST APIs, SQL/Databases, HTML/JavaScript, Asynchronous messaging/… Support sprint planning by shaping technical approaches, identifying spikes, and helping the team size work appropriately. Design, develop and implement primarily back-end features (Kotlin/Java APIs and services), with a small element of UI work using a simple UI framework. Build and evolve APIs and microservices, applying ...

interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of Deutsche Bank, we are looking for a Software Engineer (Kotlin/React) for a 6 Months contract based in London (Hybrid 3 times per week in the office). Job description - the role Purpose … initiatives. The skills you'll need: Strong commercial experience in full-stack or back-end software engineering. Experience working with JVM-based technologies, ideally Kotlin (or strong Java with Kotlin). Hands-on experience with TypeScript and React would be beneficial. Strong understanding of software engineering principles, including ...

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 ...

have the space to suggest improvements and shape best practices across the Android codebase. The tech setup is modern - Kotlin, Hilt, MVVM, clean architecture - with continuous deployment and strong observability. But what really sets this contract Android Engineer role apart is the sense of ownership you'll have … speed at which good ideas make it into production. Senior Android Engineer - Key Skills: Advanced Kotlin skills and deep knowledge of Android SDK Proven experience shipping mobile features at scale Strong understanding of modern Android architecture and design patterns Experience in performance optimisation and scalable UI Confident working ...

Engineering Manager or Tech Lead ready for your first Head of role. You’ll thrive here if you: Have a strong JVM background (Scala, Kotlin or Java) particularly using functional programming principles Possess a strong testing mindset with experience in TDD and CI/CD practices. Are experienced with … most of that resonates (even if your path has been unconventional) we’d love to hear from you. Our Stack Languages & Frameworks Scala, Kotlin, Typescript, Python Http4s, Http4k, Circe, Cats, Cats-Effect, Doobie, React, Exposed Testing Specs2, ScalaCheck Infrastructure & DevOps AWS (EKS, Lambda, RDS/Postgres, DynamoDB, SQS, Kinesis ...

Principal Android Engineer – Search & Recommendations Experience Team We are looking for a technical leader who will shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design ...

faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms Ship cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable. … engage or be heads down Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) Prior experience with GCP is a plus What We Offer A fast-growing environment ...

Engineering (HealthTech) Cambridge, UnitedKingdom Posted 12 months ago Tech Stack React iOS Swift Java JavaScript Android MongoDB Kotlin Amazon AWS Node.js Setting Quantifiable OKR and Measuring Team Performance You should ideally have worked with the following technologies: Node.JS, React JS, MongoDB, AWS, Swift (iOS), Kotlin/Java ...

Mobile Development, iOS, Android, Claude AI, Cursor, AI, Agentic AI, Swift, Kotlin, CI/CD for mobile (Xcode Cloud, Bitrise etc), Machine Learning, ML, API's, REST NEW JOB ARRIVED AND WHAT A BRILLIANT OPPORTUNITY IT IS TOO. Permanent. Hybrid. Must be UK-based and happy to travel … help the next stage of its business growth thrive. A strong hands-on background of Mobile Development is needed across both Swift and Kotlin ecosystems. Management/Leadership experience also essential. The role will help define the technical vision for my client's mobile platform, adopting agentic AI tools ...

Senior Product Engineer, React Native Location: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You’ll need the right to work in the UK and be based in ...

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 ...