101 to 109 of 109 Kotlin Jobs in the UK

Lead React Native Engineer

Hiring Organisation
TechShack
Location
United Kingdom
standards and improve reliability across the mobile stack • Architect and maintain state management and application structure at scale • Integrate native modules using Swift or Kotlin where required • Work with device capabilities including camera and other hardware integrations • Improve release processes, testing strategy, and engineering discipline • Contribute … senior individual contributor capacity Bonus Points • Experience with modern React Native architecture including Fabric, JSI, and TurboModules • Native module integration experience with Swift or Kotlin • Experience working with camera APIs or device level integrations • Experience with mobile CI and CD tools such as Fastlane, GitHub Actions, or Bitrise • Exposure ...

Back End Developer

Hiring Organisation
In Product
Location
City of London, London, United Kingdom
ecosystem , including: Scala (core backend) AKKA framework (with migration toward PEKKO) Gradual migration toward Java/Spring Boot Node.js for integrations and connectors Some Kotlin usage The environment is language-agnostic in mindset. Strong backend fundamentals matter more than experience across every language. You’ll be working on complex … support continued platform and product growth. What We’re Looking For ✅ 5+ years backend engineering experience ✅ Strong JVM ecosystem experience (Java, Scala, or Kotlin) ✅ Strong SQL and relational database experience ✅ Experience working with complex systems and large datasets ✅ Comfortable working in scale-up environments with shifting priorities ✅ Proactive, problem ...

Mobile Engineer (Android)

Hiring Organisation
Captur
Location
City of London, London, United Kingdom
core pieces of our Android SDK: performance, stability and developer experience. You’ll profile power, latency and memory, optimise threading and networking, shape public Kotlin APIs and harden telemetry. You’ll also take ownership of production issues surfaced by Solutions Engineering and Customer Success: reproduce, fix the root cause … device classes Define and monitor SDK health metrics at scale (crashes, ANRs, error rates, perf envelopes) API design and developer experience Design clear, stable, Kotlin-first public APIs (versioned, well-documented, testable) Implement best practices for networking, auth and IO; make failure modes deterministic and observable Maintain Android sample ...

QA Engineer

Hiring Organisation
Rise Technical Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum Private Healthcare + Holiday + Pensi
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 ...

Product Engineer (Android)

Hiring Organisation
Granola
Location
City of London, London, United Kingdom
role, you will: Build Granola for Android from the ground up, owning every layer from architecture to the final shipped experience Architect a modern Kotlin + Jetpack Compose codebase that feels native to Android from day one Bring Granola's audio magic, transcription, chat, and next-generation AI features … background looks something like: You've shipped polished Android apps end-to-end, from greenfield architecture to launch and iteration You're fluent in Kotlin, at home in Jetpack Compose, and willing to dive into lower-level Android frameworks when needed You've built (or are excited to build ...

Full Stack Engineer

Hiring Organisation
Rise Technical Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £75000/annum Healthcare + Training + Benefits
Private Healthcare + EV Scheme + Training + Benefits An excellent opportunity awaits a software engineer with commercial experience with Java and/or Kotlin to join a leading and award-winning Tech for Good SME in a role offering the opportunity to work on products that positively impact … Java, as well as JavaScript experience (ideally React or Vue), alongside experience working with AWS on the cloud infrastructure side. Any experience working with Kotlin or developing with Kotlin would be an advantage. The ideal person will be looking to work for a forward-thinking Tech4Good business. This ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Mid Level Full Stack Kotlin Developer

Hiring Organisation
Chroma Recruitment Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Full Stack Software Engineer (Kotlin Focus) Salary: Up to £65,000 Location: Manchester Piccadilly (Hybrid 2 days per week onsite) Overview Were working with a well-known international retailer that is undergoing a major digital transformation. They are investing heavily in modern engineering practices, cloud platforms, and customer-focused ...