1 to 25 of 42 Kotlin Jobs in London

Lead Mobile Engineer

Hiring Organisation
LHV Bank
Location
London, UK
Skills And Experience Demonstrable experience in a lead or senior mobile engineering role, including line management responsibilities. Strong hands-on experience with either Android (Kotlin) or iOS (Swift), with the ability to collaborate effectively across both platforms. Solid understanding of mobile architecture patterns, performance optimisation, and secure mobile development. ...

Senior Android developer - London - Perm

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
technical discussions Contribute to improving app performance, stability, and UX Essential Skills & Experience Commercial experience as a Native Android Developer Strong experience with Kotlin (Java experience also beneficial) Solid understanding of Android SDK and modern Android development practices Experience with common Android architectures (MVVM or similar) Experience integrating RESTful ...

Lead Software Engineer

Hiring Organisation
JPMorganChase
Location
London, UK
Capabilities And Skills Proficiency in React framework Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or fully using TypeScript Using latest React features such as Suspense ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development. Experience with mobile release processes for the App Store and Play Store. Experience with performance optimisation and profiling in React Native. Familiarity with ...

Staff Software Engineer (Mobile)

Hiring Organisation
Ripple
Location
London, England, United Kingdom
platform applications for iOS and Android using React Native and TypeScript . Native familiarity: While you live in JavaScript, experience with native code ( Swift, Kotlin , or Objective-C ) to bridge gaps or debug native modules is a significant plus. Form handling: You have experience building complex forms and implementing ...

Mobile App Developer - London

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 537 Daily
best practices, identifying cross-product alignment opportunities, and defining coding standards. Technical Experience Required: Java Ecosystem: Extensive software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks. Cloud & Infrastructure: Experience with Google Cloud Platform (GCP) products (eg, Cloud ...

Principal Java Engineer

Hiring Organisation
Mindera
Location
London, UK
backend-heavy environments in teams having multiple levels of engineering. Strong experience in Java 17+, ideally with experience in using Spring Boot or Micronaut. Kotlin experience is a bonus. If the applicant does not have experience they must show willingness to learn Kotlin. Hands-on knowledge of Kafka, event ...

Principal/Lead Android Engineer - Mobile Banking

Hiring Organisation
Vertus Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 135,000 Annual
team management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future ...

Senior Android Developer

Hiring Organisation
Digital Waffle
Location
London Area, United Kingdom
debugging to deployment and optimisation. Influence technical decisions and shape the future of our mobile strategy. What We’re Looking For Strong experience in Kotlin and Android app development. Proven track record building enterprise-grade Android applications. Deep understanding of mobile best practices, including UI/UX, testing ...

Senior Backend Developer

Hiring Organisation
GTC Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
scalable, reusable backend solutions for future projects. Essential Skills & Experience Strong experience in backend development within microservices environments . Proficiency in modern Java or Kotlin . Experience designing and implementing secure APIs . Strong hands-on experience with AWS services , including deployment, hosting, and service management. Experience building data ...

Senior Tester Mobile Apps Contract Inside IR35

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract
collaborative. Confident testing across iOS, Android, Windows, and macOS. Experienced in release test planning and coordination. Hands-on technical understanding of code (Swift, Kotlin, Java, Objective-C). Skilled in diagnosing test failures and mentoring others. Advocates for Quality Engineering and Shift-Left practices. Desirable: Experience with A/ ...

Mobile App Experience Layer Engineer

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£508 - £548/day Inside IR35
frontend teams - Ensure UX alignment with platform conventions Community - Share best practices - Define coding standards - Identify cross-product opportunities Essential Skills & Experience - Java/Kotlin with Spring and Spring Boot - Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager) - Observability tools (Grafana, Splunk) - REST API design - TDD, pair ...

Computer Vision & SDK Development Lead

Hiring Organisation
YEO Messaging
Location
London Area, United Kingdom
third-party teams and partners. Key Responsibilities SDK Design & Development Design and develop a cross-platform mobile SDK (iOS & Android) using Swift and Kotlin Create clean, modular, well-documented SDK APIs for external developers Ensure the SDK is easy to integrate, versioned correctly, and backward compatible Own the full ...

Software Engineer

Hiring Organisation
algo1
Location
London Area, United Kingdom
deployed services on any major cloud providers' services (Azure, GCP, AWS) Nice to Have: Experience in web or Android development (e.g. Javascript, Typescript, React.js, Kotlin) Worked with real-time data collection and/or processing Worked in an IoT or Edge-oriented architectures Experience or knowledge in retail ...

Technical Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition) and OCR library implementations Exposure to process modelling, for example in BPMN IoT relay control ...

Automation Specialist

Hiring Organisation
83zero
Location
London Area, United Kingdom
initiatives and knowledge-sharing activities Technology Exposure You will gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification ...

Automation Assurance Specialist

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
initiatives and knowledge-sharing activities Technology Exposure You will gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification ...

Senior Back-end Software Engineer

Hiring Organisation
Heart Mind Talent
Location
London Area, United Kingdom
languages (consideration for others possible). Experience in a product-driven, fast-paced environment (e.g., startup or tech company). Willingness to work with Kotlin (current server-side language). Experience with relational databases. Working knowledge of cloud platforms, preferably Google Cloud Platform. Strong commitment to code quality, efficient ...

Software Engineer - Fullstack Developer with Python and Angular

Hiring Organisation
Harvey Nash IT Recruitment UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
making Experience Required: 5 to 15 years of relevant software development experience Python Angular AI or Artificial Intelligence Desirable Skills Knowledge of Java or Kotlin ...

Software Engineer - Fullstack Developer with Python and Angular

Hiring Organisation
Harvey Nash
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
making Experience Required: 5 to 15 years of relevant software development experience Python Angular AI or Artificial Intelligence Desirable Skills Knowledge of Java or Kotlin ...

Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£102,000 - £112,000 per annum
experience. AI/ML Focus : Experience with Large Language Models ( LLMs ), agentic development, Vertex AI , and vector databases (semantic search). Additional Skills : Java, Kotlin, and Go are "nice-to-have" but not mandatory. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Senior Principal Engineer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation ...

Neo4j Aura (Cloud Graph Database) Engineer

Hiring Organisation
Unitech Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Neo4j, specifically Neo4j Aura Expert knowledge of Cypher and graph data modelling Experience with cloud platforms (AWS, Azure, or GCP) Backend development experience (Java, Kotlin, Python, or Node.js) Understanding of distributed systems and database performance tuning Familiarity with CI/CD, containerisation, and infrastructure-as-code Desirable/Nice ...

Staff Fullstack Engineer

Hiring Organisation
TRAKD
Location
City of London, London, United Kingdom
teams can adopt to move faster with confidence. On the frontend, the stack includes React and TypeScript. On the backend, services are built using Kotlin-based APIs. You’ll work closely with Product and Design partners to ensure technical direction supports broader business priorities, while also helping teams deliver ...

Staff Software Engineer - Android

Hiring Organisation
Xperi Inc
Location
Twickenham, England, United Kingdom
applications, mentoring other engineers, and driving technical excellence across the team. What you will get to do: Lead the development of Android applications using Kotlin and Jetpack Compose. Collaborate with cross-functional teams to define architecture, design patterns, and best practices. Ensure robust, scalable, and maintainable code through code … build, testing, and deployment processes. Mentor and guide junior and mid-level engineers. Who we are looking for: Must have: Strong expertise in Kotlin and Jetpack Compose. Solid understanding of software development processes, including agile methodologies. A fundamental understanding of coding and an ability to work things out from ...