10 of 10 Kotlin Jobs in the City of London

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
City of London, London, United Kingdom
front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following ...

UI Developers – iOS

Hiring Organisation
N Consulting Global
Location
City of London, London, United Kingdom
Developer – Required Skills: Strong experience in iOS development Expertise in Swift UI, Objective-C, UIKit, Xcode Experience with GitLab/SourceTree Exposure to Java, Kotlin & Android common libraries stack (OKHttp, Retrofit, etc.) Hands-on experience with Jetpack Compose Good understanding of HTTP Client/Server Architecture Experience ...

Contract Android Engineer - Central Government Project (Inside IR35)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
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 ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

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

Senior Software Engineer - Up to £100k - Hybrid working

Hiring Organisation
Creo Recruitment
Location
City of London, London, United Kingdom
communication skills with the ability to influence and mentor Python Experience is preferred - though experience with similar languages are a plus e.g. Clojure, Rust, Kotlin, Scala, Golang. AWS Experience (Hands-on work with GCP/Azure is okay too) BSc in Computer Science Why this role stands out: High ...

Technical Lead

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
play a key part in shaping architecture, mentoring engineers, and driving best practices across the platform. They’re looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments ...

Senior Software Engineer

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
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 ...

Senior Android Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
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 ...

Java Engineers - Senior / Lead

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

Product Engineer

Hiring Organisation
WireMock
Location
City Of London, England, United Kingdom
tools into their workflow, but can reason and function without them where necessary. Cares about user delight over technical purity. Writes code in Java, Kotlin and ideally Javascript. Enjoys contributing to open source, including writing and speaking. Proactively improves their own skills and understanding of the domain they … working in Java/Kotlin Product Engineer We’re looking for a Java/Kotlin developer who has a solid understanding of networking and HTTP, experience building complex web applications and an eye for quality balanced by pragmatism about delivery. The right candidate will have a disciplined approach ...