7 of 7 Kotlin Jobs in the City of London

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

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

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 ...

Head of Mobile Engineering

Hiring Organisation
La Fosse
Location
City of London, London, United Kingdom
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 ...

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 ...

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 ...