10 of 10 Kotlin Jobs in the City of London

observability. Mentoring colleagues, conducting code reviews, and supporting a culture of learning and improvement. Candidate Profile Significant experience in modern Java development (Spring Boot, Kotlin, or similar). Strong track record in designing and evolving scalable, Cloud-based systems. Practical experience with iterative development, automated testing, and CI/ ...

delivering secure, accessible, and user-centric digital services in line with public sector standards. Essential Requirements: Strong commercial experience developing native Android applications using Kotlin (and/or Java) Proven Central Government project experience (essential) Good understanding of Government Digital Service (GDS) principles and accessibility standards Experience working ...

sound plans Provide technical leadership on the most complex architectural and performance challenges Job requirements: Strong experience with JavaScript/TypeScript and Java/Kotlin, NestJS or React, and PostgreSQL or MongoDB Hands-on experience with AWS, Docker, Terraform, and modern CI/CD pipelines A practical, nuanced understanding ...

migrating serverless components (e.g., AWS Lambda) into Rails applications. Familiarity with Vue.js to support frontend collaboration. Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private ...

Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. Responsibilities … team Stay curious about the wider engineering landscape and bring relevant insights back to the team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring Boot or Kotlin or Java to build robust microservices A passion for creating API-first ...

delivery from development to Play Store release. Key Responsibilities Lead and mentor Android team; ensure code quality Build scalable apps using Kotlin, Java, Android SDK Define architecture ( MVVM, Clean Architecture ) Collaborate with Product, Design, QA, Backend teams Integrate REST/GraphQL APIs and third-party SDKs Manage CI/… pipelines and release processes Ensure performance, security, and app stability Requirements 10+ years Android experience, including leadership Strong in Kotlin, Jetpack Compose, RxJava/Coroutines Experience with CI/CD, testing (JUnit, Espresso) , and Git Knowledge of Firebase/Analytics, Play Store processes Familiar with Agile (Scrum) and mobile ...

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35 We’re hiring a Senior Android Engineer (contractor) to join a product-focused team building a high-traffic consumer application used at scale. This is a hands-on role … scale Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code and raising ...

outcomes for both customers and the wider business. What You’ll Be Doing Building and maintaining scalable, production-grade backend systems using Java or Kotlin Developing high-quality, maintainable code across a modern cloud-based architecture Collaborating with product and business stakeholders to turn commercial goals into clear technical … workflows, where they add meaningful value Requirements 4+ years’ experience as a Software Engineer or Backend Engineer Strong backend development experience with Java or Kotlin Solid understanding of frontend technologies such as React and experience supporting production-grade user-facing applications Experience working with databases such as PostgreSQL ...

mobile platforms at scale What they’re looking for 8+ years in mobile engineering, with 2+ years leading teams Deep expertise in Android (Kotlin) or iOS (Swift) , with exposure to both Strong understanding of modern architectures ( MVVM, MVI ) and UI frameworks ( Compose, SwiftUI ) Experience building and scaling high-traffic … mobile apps Ability to communicate effectively across technical and non-technical audiences Comfortable operating across both strategy and hands-on delivery Nice to have Kotlin Multiplatform or other cross-platform experience Background in AdTech, telecoms, or B2B2C environments Why join Own mobile at a critical growth stage Significant impact ...

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 ...