301 to 325 of 744 Kotlin Jobs in the UK

Senior Java/Kotlin Engineer – FinTech (Remote, UK-Based) Location: Remote (UK-based) | HQ in London Salary: £120,000 per annum + Benefits Type: Permanent, Full-Time 🚀 Join a high-growth FinTech revolutionising the way customers and banks interact. This forward-thinking company is redefining digital payments and financial connectivity, working at the cutting edge of Payments infrastructure and … Open Banking technologies . They’re now looking for an experienced Java/Kotlin Engineer to join their remote-first team and help scale their secure, real-time payment platforms across the UK and Europe. 🔧 Tech Stack & Responsibilities: Design and build scalable, event-driven services using Java and/or Kotlin Work on core payment processing systems and … systems Collaborate across teams including Product, DevOps, and Compliance Deliver clean, testable, and maintainable code in a regulated environment ✅ What You’ll Need: Strong professional experience with Java or Kotlin (ideally both) Solid understanding of distributed systems , microservices , and REST APIs Background in Payments , Banking , or FinTech highly desirable Experience with cloud platforms (e.g., AWS, GCP) is a plus More ❯

Senior Java/Kotlin Engineer – FinTech (Remote, UK-Based) Location: Remote (UK-based) | HQ in London Salary: £120,000 per annum + Benefits Type: Permanent, Full-Time 🚀 Join a high-growth FinTech revolutionising the way customers and banks interact. This forward-thinking company is redefining digital payments and financial connectivity, working at the cutting edge of Payments infrastructure and … Open Banking technologies . They’re now looking for an experienced Java/Kotlin Engineer to join their remote-first team and help scale their secure, real-time payment platforms across the UK and Europe. 🔧 Tech Stack & Responsibilities: Design and build scalable, event-driven services using Java and/or Kotlin Work on core payment processing systems and … systems Collaborate across teams including Product, DevOps, and Compliance Deliver clean, testable, and maintainable code in a regulated environment ✅ What You’ll Need: Strong professional experience with Java or Kotlin (ideally both) Solid understanding of distributed systems , microservices , and REST APIs Background in Payments , Banking , or FinTech highly desirable Experience with cloud platforms (e.g., AWS, GCP) is a plus More ❯

Senior Java/Kotlin Engineer – FinTech (Remote, UK-Based) Location: Remote (UK-based) | HQ in London Salary: £120,000 per annum + Benefits Type: Permanent, Full-Time 🚀 Join a high-growth FinTech revolutionising the way customers and banks interact. This forward-thinking company is redefining digital payments and financial connectivity, working at the cutting edge of Payments infrastructure and … Open Banking technologies . They’re now looking for an experienced Java/Kotlin Engineer to join their remote-first team and help scale their secure, real-time payment platforms across the UK and Europe. 🔧 Tech Stack & Responsibilities: Design and build scalable, event-driven services using Java and/or Kotlin Work on core payment processing systems and … systems Collaborate across teams including Product, DevOps, and Compliance Deliver clean, testable, and maintainable code in a regulated environment ✅ What You’ll Need: Strong professional experience with Java or Kotlin (ideally both) Solid understanding of distributed systems , microservices , and REST APIs Background in Payments , Banking , or FinTech highly desirable Experience with cloud platforms (e.g., AWS, GCP) is a plus More ❯

Backend Developer/Software Engineer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver and … features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly … degree educated, having achieved a 2.1 or above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading whiskey. As a … features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly … above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading whiskey. As a … features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly … above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech More ❯

Kotlin Developer (London, UK) Hybrid: 2-3 days a week work from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll … and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end … technical solutions and maintain clear communication across teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin More ❯

Kotlin Developer (London, UK) Hybrid: 2-3 days a week work from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll … and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end … technical solutions and maintain clear communication across teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin More ❯

days ago Be among the first 25 applicants We are seeking a highly skilled Senior Software Engineer with strong expertise in Java and Kotlin to join our global investment bank as we embark on a major technology transformation program. This is a unique opportunity to work at the heart of a modernization initiative that will reshape our core platforms … enhance system resilience, and enable scalable innovation. Key Responsibilities: Design, develop, and maintain robust, scalable backend services using Java and Kotlin Apply Test Driven Development (TDD) principles to ensure high code quality and test coverage Collaborate with cross-functional teams to shape system architecture and drive engineering excellence Translate complex technical concepts for both technical and non-technical stakeholders … real business problems Engage in continuous integration and deployment processes, contributing to DevOps practices as needed Qualifications: 5+ years of professional experience in Java development Proven commercial experience with Kotlin in production environments Familiarity with Docker , Kubernetes , or other DevOps tools is a plus Strong understanding of software engineering principles, design patterns, and agile methodologies Excellent communication skills with More ❯

Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 1bb07cce5d36 Job Views: 3 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Agile Full Stack Developer (Kotlin, TypeScript) You will be working as a full stack developer as part of the Client 360 Technology team. The role involves working in an agile environment, employing test-driven … CSR initiatives and volunteering leave Your key responsibilities Developing robust, well-tested software with simplicity Collaborating with the business to define and build products Working full stack, focusing on Kotlin (server side), with experience in JavaScript, TypeScript, and ReactJS beneficial Managing CI/CD pipelines and production environments (DevOps) Applying TDD, pair programming, and XP practices Your skills and … experience Experience in Kotlin, Java, or Scala, with a willingness to cross-train Proficiency in Object-Oriented or Functional Programming with TDD Experience with agile development practices Ability to use iterative development techniques to deliver high-value software How we'll support you Expert coaching and support Culture of continuous learning Flexible benefits tailored to your needs Inclusive environment More ❯

and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end … technical solutions and maintain clear communication across teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin and Spring Boot with hands-on experience in API design and development. If Kotlin is not possible, a Java expert with a keen interest to learn Kotlin. Strong knowledge of RESTful API principles and best practices. Familiarity with Micro-services architecture and related technologies. Ability to analyze complex technical challenges and provide innovative solutions. Passion for learning and More ❯

and experience will include: 5+ years of experience building and scaling distributed systems, ideally serving millions of users Good knowledge in one or more JVM-based languages (Must have Kotlin and ideally with Micronaut) Proven experience in DevOps practices, including running and operating what you build Experience designing CI/CD pipelines and driving improvements in developer productivity Comfortable More ❯

take the initiative and shape their own path and a pragmatic and iterative approach to achieving our long term goals 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 and build ourselves when it More ❯

Entra) • Comfortable building and developing Infrastructure templates with Infrastructure as Code using either: Terraform, Cloudformation, Deployment Manager or ARM • Linux and Windows administration • Software development experience - ideally in Java, Kotlin, Python, Apps Script, JavaScript or C#/C++ • Containerisation experience such as Docker, Kubernetes or OpenShift • Experience of security protocols such as PKI, TLS etc • Virtualisation experience, KVM/ More ❯

Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 05.05.2025 Expiry Date: 19.06.2025 Job Description: Android Developer – Remote (must be UK based) – £38k Fully remote | Kotlin/Jetpack Compose | Personal Development & Progression Plan | Flexible Hours | Evolving Digital Agency Ada Meher is working with a growing digital agency recruiting a Junior-Mid Level Android Developer to … develop client projects. The role involves greenfield and BAU projects using Android, Kotlin, Jetpack Compose, and MVI. This position suits someone with solid Android development foundations eager to utilize internal resources for personal growth. The company emphasizes personal development plans, clear progression targets, and offers flexible remote working, hours, and holidays, provided you are based in the UK. … years of Android mobile app development experience Experience in fast-paced environments Proficiency with Kotlin, Jetpack Compose, and MVI Experience with Unit Testing/TDD is a plus If you meet most of the criteria and are interested in growth opportunities, feel free to apply. Immediate screening and shortlisting are underway. Send your CV to [emailprotected] or apply ASAP More ❯

Senior Full Stack Developer – Kotlin/Java/React (Hybrid, London) We're working with an insurtech company that’s redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences – particularly in the automotive and mobility sectors. … Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role in shaping architecture and tech strategy as the … platform scales Qualifications: 6+ years' experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills – you're able to explain complex technical topics clearly More ❯

Senior Full Stack Developer – Kotlin/Java/React (Hybrid, London) We're working with an insurtech company that’s redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences – particularly in the automotive and mobility sectors. … Responsibilities: Designing and developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role in shaping architecture and tech strategy as the … platform scales Qualifications: 6+ years' experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills – you're able to explain complex technical topics clearly More ❯

Senior Android Developer - (Android, EMV kernel, Development, Kotlin, SOLID Design, RESTful, SDK, CI/CD, Applications) - Contract - Home Based Charles Simon Associates are currently looking for a Senior Android Developer on initially a 6 month contract basis for a global business based in the UK with offices across Europe and the Far East. All candidates must have hands on … Rate: Up to £450 per day D.O.E Skills/Requirements for the Senior Android Developer: Extensive Android Development experience EMV kernel experience, in terms of working with terminals Strong Kotlin programming Understanding of SOLID Design practices Android SDK Ability to work individually and proactively Start date is ASAP for the Senior Android Developer The Senior Android Developer will be … provide visa sponsorship for this role at this time. Applicants must have the right to work in the United Kingdom without sponsorship." Senior Android Developer - (Android, EMV kernel, Development, Kotlin, SOLID Design, RESTful, SDK, CI/CD, Applications) - Contract - Home Based More ❯

sensitive nature of the work, limited context can be provided. Responsibilities include designing solutions at system and component levels, acting as a technical authority, developing applications with React, TypeScript, Kotlin, and engaging with key stakeholders. Skills & Experience Essential Experience developing full-stack applications Proficiency with modern web frameworks in TypeScript/JavaScript Experience with OOP languages such as Java … Kotlin, C# Designing and implementing SQL databases Ability to work in a dynamic environment with customer interaction Desirable Willingness to travel occasionally to West Midlands Experience with React and TypeScript Experience with Kotlin or Java Knowledge of UI testing frameworks like Cypress or Selenium Leadership experience or acting as Technical Authority Experience eliciting user requirements and designing customer More ❯

a Senior Mobile Developer to lead the development of its cross-platform mobile applications. This is a hands-on, high-impact role working with React Native, Swift (iOS), and Kotlin (Android). You'll drive architecture and development, build native modules, and shape the future of mobile innovation for a business delivering intelligent notification and IoT-triggered systems. What … You'll Be Doing: Leading development of mobile apps using React Native Creating native modules in Swift & Kotlin Integrating apps with REST APIs and backend services Collaborating with UI/UX teams to deliver user-friendly experiences Ensuring performance across a wide range of devices Driving best practices and code quality What We're Looking For: Native development in … Swift and Kotlin Strong understanding of mobile architecture, performance, and UI/UX Experience with mobile testing, Git, and CI/CD Bonus Points: Familiarity with Firebase, Expo, Fastlane, push notifications, or background services This is an onsite role in Preston 5 days a week and therefore should you not be able to commit to this or hold full More ❯

gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer (Expo) – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. … re looking for: React Native Developer – Secure Tech Ideally 4+ years’ experience with React Native, (Expo SDK is nice to have). Strong knowledge of native module development in Kotlin/Swift (flexible in experience). API Experience (Gmail API nice to have). Hands-on experience with secure systems, testing frameworks, and Git workflows. Excellent communication and problem More ❯

gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer (Expo) – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. … re looking for: React Native Developer – Secure Tech Ideally 4+ years’ experience with React Native, (Expo SDK is nice to have). Strong knowledge of native module development in Kotlin/Swift (flexible in experience). API Experience (Gmail API nice to have). Hands-on experience with secure systems, testing frameworks, and Git workflows. Excellent communication and problem More ❯

financial institutions, and you can be a core part of this journey. The Opportunity: Power the Engine of FinTech with Us We are seeking a talented and enthusiastic Graduate Kotlin Backend Developer to join their team. You'll have the chance to work on the server-side logic, databases, and APIs that power their platform, contributing to a robust … and scalable FinTech solution. What You'll Be Working On (and learning!): Developing and maintaining backend services and APIs for the platform. Working with Kotlin (and potentially Java/Golang as our platform evolves) and the Spring Boot framework. Interacting with our Postgres database. Contributing to system design and architecture discussions. Writing clean, testable, and efficient code. Collaborating with … strong academic record, with significant Honours or Master's level project work you're proud of and can discuss in detail. Foundational programming skills, ideally with some exposure to Kotlin, Java, or Golang. An understanding of backend development concepts (e.g., APIs, databases, server-side logic). A genuine interest in learning and working with our specific tech stack: Spring More ❯

systems and write automated tests Review analytics and performance metrics to draw conclusions and drive change About you: You have Product-focused Android application development experience Android SDK/Kotlin skills Knowledge of Android API capabilities at different levels, framework components and lifecycles Good understanding of design patterns & Object Oriented Programming Enthusiastic about teamwork in an AGILE/Scrum … environment Sound computer science foundations: algorithms, data structures, concurrency, threading, and programming languages (Kotlin and Java Motivated and able to achieve deadlines and work independently You'll love to write clean, reusable code and have a passion for mobile development inside and outside of the office Solid communication skills and team-working capability Positive and logical approach together with More ❯

with world-class engineering teams to embed security directly into product design, development, and deployment. Lead secure SDLC efforts, ensuring best practices in languages like Python, C++, Rust, Go, Kotlin/Java. Conduct hands-on threat modelling, security assessments, code reviews, and risk mitigation for large-scale distributed systems. Integrate security scanning tools (SAST, DAST) into CI/CD … or start-ups, with a broad range of responsibilities Experienced with SAST and DAST, integrating into CI/CD pipelines Programming Languages: skills in either Python, C++, Rust, Go, Kotlin/Java Experience with cloud platforms (either AWS, Azure or Alibaba Cloud) Experience with low-latency is beneficial Skilled in risk assessments, threat modelling, secure architecture design, and proactive More ❯