1 to 25 of 26 Kotlin Jobs in Central London

technical excellence What you'll bring Deep extensive experience of Android application development Established and highly skilled in all aspects of software engineering Strong programming skills in Java and Kotlin Solid understanding of Android architecture patterns and best practices Experience with video streaming protocols (HLS, DASH) Familiarity with ExoPlayer (bonus) Agile development experience with CI/CD pipelines Strong More ❯

in native Android development, with a strong portfolio of shipped, consumer-facing applications. ? Required Technical & UI/UX Skills ? Deep expertise in native Android UI/UX development, including Kotlin and modern frameworks (e.g., Jetpack Compose, Coroutines, Flow). ? Demonstrated experience building complex, real-time, data-intensive user interfaces (e.g., chat applications, financial dashboards, real-time streaming apps). More ❯

experience in React Native development. Strong JavaScript/TypeScript skills. Experience integrating with REST APIs and/or GraphQL. Familiarity with native mobile development (Swift, Objective-C, Java, or Kotlin) is a plus. Understanding of mobile UI/UX best practices. Passion for fintech and building products that make a real difference. Day to day: Develop and maintain our More ❯

experience in React Native development. Strong JavaScript/TypeScript skills. Experience integrating with REST APIs and/or GraphQL. Familiarity with native mobile development (Swift, Objective-C, Java, or Kotlin) is a plus. Understanding of mobile UI/UX best practices. Passion for fintech and building products that make a real difference. Day to day: Develop and maintain our More ❯

Principal Accountabilities: - Build robust and scalable software for business critical, web-based applications - Design, build, test, document and maintain API’s and integrations - Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams - Ensure quality control using industry standard techniques such as automated testing, pairing, and code review - Work with the Product team to understand More ❯

Principal Accountabilities: - Build robust and scalable software for business critical, web-based applications - Design, build, test, document and maintain API’s and integrations - Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams - Ensure quality control using industry standard techniques such as automated testing, pairing, and code review - Work with the Product team to understand More ❯

for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical” . Our clients diverse tech stack includes TypeScript, Java, .Net, Scala, Kotlin, Golang, Elixir, Python, .Net, Node.js, and Rust. Experience with one, or more than one of those languages would be preferred. We focus on lean teams without traditional management layers More ❯

for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical” . Our clients diverse tech stack includes TypeScript, Java, .Net, Scala, Kotlin, Golang, Elixir, Python, .Net, Node.js, and Rust. Experience with one, or more than one of those languages would be preferred. We focus on lean teams without traditional management layers More ❯

NatSec domain? Are you happy to work "high-side", on-site 3-5 days/week? And... do you have experience with a few of the following technologies?: Java Kotlin Python Kubernetes AWS JavaScript React Node.js Nodding along so far? We should chat. Fortice work with 18 compass-point supplier, whether you want to sit in a prime seat More ❯

frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working in on-prem and cloud-native environments … paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and More ❯

frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working in on-prem and cloud-native environments … paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and More ❯

monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with More ❯

monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with More ❯

mentor engineers across a cross-functional team Work closely with product managers and business stakeholders to align technical direction with strategic goals Write high-quality, production-ready code using Kotlin or Java Lead by example through code reviews, architectural decisions, and continuous delivery practices Drive improvements in engineering practices, tooling, and team workflows Help scale backend infrastructure to meet More ❯

mentor engineers across a cross-functional team Work closely with product managers and business stakeholders to align technical direction with strategic goals Write high-quality, production-ready code using Kotlin or Java Lead by example through code reviews, architectural decisions, and continuous delivery practices Drive improvements in engineering practices, tooling, and team workflows Help scale backend infrastructure to meet More ❯

frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working in on-prem and cloud-native environments … at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and Spring Boot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and More ❯

functional, efficient, and reusable web and mobile-based sites that drive these web applications. By using experience as mid-senior level engineer working across modern web stack. We speak Kotlin for services and Python when working with data. Our rich UIs are built in React and Typescript. Postgres is our preferred database engine and our infrastructure is entirely cloud More ❯

functional, efficient, and reusable web and mobile-based sites that drive these web applications. By using experience as mid-senior level engineer working across modern web stack. We speak Kotlin for services and Python when working with data. Our rich UIs are built in React and Typescript. Postgres is our preferred database engine and our infrastructure is entirely cloud More ❯

Senior Kotlin Developer - Front office/Kubernetes - sought by investment bank based in London - Hybrid - Contract *Inside IR35* Key Responsibilities Develop and maintain backend components of a next-gen trading platform. Work with Java and/or Kotlin to deliver robust solutions. Deploy containerised applications using Kubernetes and Docker. Leverage MongoDB and Databricks for data processing and analytics. More ❯

in locally relevant ways and adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. We deeply care about building a … software development experience), or Master's Degree (2+ years post-degree experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using More ❯

in locally relevant ways and adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. We deeply care about building a … software development experience), or Master's Degree (2+ years post-degree experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using More ❯

Mobile Developer – Fully Remote | Up to £105k | React Native, Swift, Kotlin Here at Venchr, we are seeking a Mobile Developer with strong expertise in React Native to build high-quality, cross-platform applications that deliver a seamless experience on both iOS and Android. You’ll be contributing to innovative solutions that support the luxury lifestyle and yachting sector. Key … + Android) Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on More ❯

Mobile Developer – Fully Remote | Up to £105k | React Native, Swift, Kotlin Here at Venchr, we are seeking a Mobile Developer with strong expertise in React Native to build high-quality, cross-platform applications that deliver a seamless experience on both iOS and Android. You’ll be contributing to innovative solutions that support the luxury lifestyle and yachting sector. Key … + Android) Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer: 🌍 100% remote flexibility — work from anywhere 💸 Up to £105k salary 🚤 The chance to work on More ❯

bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited to be continuing our partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global … by providing affordable access to clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies This is a … very comprehensive, generous benefits package: Equity Bonus Pension Private healthcare Life assurance Income protection Flexible working (work from home 3x per week) If you'd love to work with Kotlin on impactful projects, while taking the next step in your career, apply now for this exciting Software Engineer opportunity! Please note : Due to compliancy reasons, we will only be More ❯

shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions. We are looking for Principal Engineer with deep expertise in Kotlin to help scale and enhance their high performance systems. This is an opportunity to work with modern backend architecture, collaborating with top-tier engineers in a fast-moving, product … focused environment. Responsibilities as a Principal Engineer: Contribute to the businesses technology strategy and architecture Contribute to the backend Kotlin infrastructure Ship resilient and well tested production code Collaborate with different teams to deliver value that aligns to business objectives Mentor and coach more junior members of the team Continuously evolve and improve the ways of working in the … business Key Requirements: Strong commercial experience in the Kotlin ecosystem for backend development Confidence to work with Spring Boot or Ktor to build robust microservices Strong ability to write secure, resilient, and well-tested code Ability to align engineering to ambitious commercial objectives Experience in line management responsibilities while remaining deeply technical Desire for building API-first products Deep More ❯