51 to 67 of 67 Kotlin Jobs in the UK

Senior Android Engineer to help shape a modular, scalable mobile platform used across multiple clients. The Role Build and scale Android apps using Kotlin + Jetpack Compose Drive a modular, reusable architecture (MVVM, multi-module) Contribute to a growing design system and component library Influence technical direction and architecture … decisions Collaborate with product, design, and distributed engineering teams What They’re Looking For Strong Kotlin and modern Android architecture skills Experience shipping apps to the Play Store Familiarity with CI/CD, testing frameworks, and best practices Comfortable working in fast-paced/scaling environments Nice to Have ...

focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and Java Multi-threading, concurrency and Low-latency experience Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus Automated … Kafka a huge plus To excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated ...

focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and Java Multi-threading, concurrency and Low-latency experience Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus Automated … Kafka a huge plus To excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated ...

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 … 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 ...

Software Engineer (Kotlin) - GreenTech Sector 🌱 💰 £60,000 - £80,000 + bonus + excellent Benefits 📍 Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin – or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world … Design, build and evolve platform architecture across distributed systems. Analyse production systems to uncover and resolve performance issues. Contribute to backend design using Kotlin (or JVM), supporting a polyglot mindset. Collaborate across engineering to improve practices, tooling, and system design. Mentor and influence technical direction company-wide. Tech & Environment ...

looking for a Staff Engineer. We are transitioning from a established PHP foundation to a high-performance, modern ecosystem built on Java and Kotlin . We need a technical heavyweight who can navigate our roots while architecting the future of global automotive services. Why This Role Is Exciting This … high-impact technical leadership role where you will: Architect the Future: Act as the primary driver for our move toward Java/Kotlin powered services. Bridge Two Eras: Use your deep understanding of architecture to ensure a seamless transition without disrupting services used by millions. Influence at Scale: Shape ...

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact The Opportunity Born from the successful launch of a major digital bank, we are hiring a high-growth venture team with a fresh mission. Building ...

looking for a Full Stack Engineer who's excited to build secure, high-performance products used at scale. You'll work across Kotlin backend services and React/TypeScript frontends, while helping shape modern CI/CD pipelines and internal AI tooling. What you'll be doing Build … scale backend services using Kotlin & JVM frameworks Develop sleek, responsive UIs with React + TypeScript Own code from idea production with CI/CD pipelines Contribute to cutting-edge agentic AI tooling for engineering teams Collaborate closely with engineers, product, and stakeholders Debug, optimise, and continuously improve live systems ...

looking for a Full Stack Engineer who's excited to build secure, high-performance products used at scale. You'll work across Kotlin backend services and React/TypeScript frontends, while helping shape modern CI/CD pipelines and internal AI tooling. What you'll be doing Build … scale backend services using Kotlin & JVM frameworks Develop sleek, responsive UIs with React + TypeScript Own code from idea production with CI/CD pipelines Contribute to cutting-edge agentic AI tooling for engineering teams Collaborate closely with engineers, product, and stakeholders Debug, optimise, and continuously improve live systems ...

depth analysis, pixelation detection, rPPG), anti-spoofing performance, and injection attack countermeasures. You will work alongside the iOS lead (Swift/CoreML), Android lead (Kotlin/C++/MediaPipe), and Desktop lead (Kotlin Multiplatform) to optimise and deploy models across all platforms. The proprietary YEO facial recognition codebase … Attest (competent). ISO 30107-3 and CEN/TS 18099 understanding. Programming: Python (expert), C++ for inference (strong — Android NDK), Swift and Kotlin awareness (basic — enough to understand integration surface), Git/CI/CD, Docker, MLflow/W&B. Required Skills Expertise in machine learning frameworks, computer ...

consistent. Responsibilities include expanding automated test suites, reducing manual testing, and performing smoke, regression, functional and API testing. The tech stack includes Java/Kotlin, Selenium/Selenide or Playwright, TestNG/JUnit, RestAssured, Feign, Postman, SQL, Sentry, Elasticsearch, and performance tools like JMeter or Gatling. You will also … tools to speed up script development and boost testing efficiency. Drive quality across a cutting-edge microservices platform by leading automation with Java/Kotlin, modern UI/API testing tools and AI-powered efficiency, apply now. ...

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 ...

Backend Engineer - Fintech SaaS Location - Central London hybrid, 1 day a week in the office Tech stack - Java, Kotlin, Spring Boot Neulinx has partnered with a growing fintech SaaS startup that’s transforming accounting through automation and AI. They’re now looking to hire a Backend Engineer to join … improve core backend systems powering the platform. This is a hands-on backend role in a collaborative, product-led environment. Key skills Java Kotlin Spring Boot Additional desirable experience AWS MySQL OpenSearch Ruby on Rails Salary & Benefits • Up to £75k depending on experience • Share options from ...

deep understanding of web and mobile, such as offline modes and location services. You should be comfortable navigating a technical stack (Vue.js, Ruby, Swift, Kotlin) and have a proven track record of using tools like TestRail or Jira to bring clarity and structure to regression testing. This … manual QA for web and mobile, with the ability to navigate Ruby on Rails and Vue.js. Deep proficiency in native iOS (Swift) and Android (Kotlin) testing, including location services and offline mode constraints. A proven track record of improving QA workflows and using tools like TestRail and Jira ...

Card Company Location: AMEX London Victoria 3 days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. … Strong fundamentals of Computer Science to scale developments. Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will ...

environment. This is not a coordination role - it's a hands-on delivery position focused on sourcing and securing exceptional JVM engineers (Java/Kotlin) across the UK and Europe. If you get energy from finding hard-to-reach "passive" talent, influencing hiring strategy, and making immediate impact within … rapid scaling of engineering teams as the organisation expands its digital footprint across Europe. Essential Strong background hiring JVM-focused Software Engineers (Java/Kotlin). Experience operating across both high-growth tech/fintech environments and large corporate structures. Someone who is energised by pace, ownership, and delivery ...

Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time/Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London click apply for full ...