Kotlin Jobs in London

126 to 150 of 169 Kotlin Jobs in London

Staff Back End Engineer

London, United Kingdom
Hybrid / WFH Options
WeAreTechWomen
you be doing? This is an opportunity to join one of our agile product teams working as a Staff Back-End Software Engineer. You will be using your excellent Kotlin or Java skills to build and support new features adding value for Our Business As a Staff Engineer, you will also use your knowledge of Software Engineering to lead … role is known as Product Engineer (L6). Essential skills/experience you'll need Extensive experience leading, coaching and mentoring individuals/teams Expertise in either server side Kotlin or a modern version of Java. A structured approach to systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Android Developer Kotlin

East London, London, United Kingdom
Richard Wheeler Associates
Senior Android Developer, Kotlin, MVVM - health care app startup Central London - 3-4 days per week in the office £80k DoE discretionary annual Bonus A cracking opportunity for a Senior Android Developer to join one of the UKs leading app and technology companies. This small, highly creative team (circa 20 people) is known for groundbreaking patented health care apps … are truly innovative and positively impact peoples lives. Were looking for a proactive and experienced Android Developer to work across a portfolio of fully native apps, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. Youll have a strong track record of delivering high-quality apps … leveraging unit tests, continuous integration, and code quality tools Youll need: 5+ years of high-level Android development experience A wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with other languages e.g. Java A strong numerate Degree (Computer Science/similar) Able to work independently, as well as confidently pair program with others Good More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Android Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Richard Wheeler Associates
Senior Android Developer - Android, Kotlin, MVVM, Java, XML - health care apps Central London circa £80k DoE discretionary annual Bonus Hybrid working - 3-4 days per week in the office A cracking opportunity for a Senior Android Developer to join a small, acclaimed, highly creative app and technology company (circa 20) known for ground-breaking patented technology in the health … Developer with a strong track record of delivering high-quality apps and tackling complex engineering challenges. You will be highly respected in your current role for your deep Android, Kotlin, MVVM expertise. The apps are fully native, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server … will evolve into a leadership position. Essential Skills and experience: 6+ years of high-level Android development experience, with a wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with other languages e.g. Java A strong numerate Degree (Computer Science/similar) Able to work independently, as well as confidently pair program with others Good More ❯
Employment Type: Full-Time
Salary: £75,000 - £80,000 per annum
Posted:

Engineering Manager (Superapp)

London, United Kingdom
Hybrid / WFH Options
Lendable
platform, your work will ensure we deliver impactful solutions that meet the needs of our customers and stakeholders alike. Our Tech Stack The backend of our Zable app is Kotlin, AWS, GraphQL and the frontend is React Native with TypeScript. Across the rest of Lendable we also use PHP 8, Symfony 6&7, Kotlin, AWS, MySQL, PostgreSQL, RabbitMQ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Android Developer

London, South East, England, United Kingdom
Richard Wheeler Associates
Senior Android Developer, Kotlin, MVVM - health care app Central London - 3-4 days per week in the office £80k DoE discretionary annual Bonus A cracking opportunity for a Senior Android Developer to join one of the UK’s leading app and technology companies. This small, highly creative team (circa 20) is known for groundbreaking patented health care apps that … innovative and positively impact people’s lives. We’re looking for a proactive and experienced Android Developer to work across a portfolio of fully native apps, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. You’ll have a strong track record of delivering high-quality … unit tests, continuous integration, and code quality tools You’ll need: 5+ years of high-level Android development experience A wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with other languages e.g. Java A strong numerate Degree (Computer Science/similar) Able to work independently, as well as confidently pair program with others Good More ❯
Employment Type: Full-Time
Salary: £75,000 - £80,000 per annum
Posted:

Senior Android Developer

East London, London, United Kingdom
Richard Wheeler Associates
Senior Android Developer , Kotlin, MVVM - health care app Central London - 3-4 days per week in the office £ 80 k DoE + discretionary annual Bonus A cracking opportunity for a Senior Android Developer to join one of the UKs leading app and technology companies. This small , highly creative team ( circa 20) is known for groundbreaking patented health care apps … innovative and positively i mpact peoples lives. Were looking for a proactive and experienced Android Developer to work across a portfolio of f ully native apps , primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. Y oull have a strong track record of delivering high-quality … leveraging unit tests, continuous integration, and code quality tools Youll need: 5+ years of high-level Android development experience A wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with other languages e.g. Java A strong numerate Degree (Computer Science/similar) Able to work independently, as well as confidently pair program with others Good More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Full Stack Software Development Engineer II (Front-End Focus)

London, United Kingdom
Expedia, Inc
serving ads across Expedia Group platforms Collaborate with engineers, product managers, and designers to deliver high-quality, user-centric features Contribute to full-stack development, including backend services in Kotlin/Java and GraphQL APIs Build tooling and reusable components for partners to easily integrate with our ad platform Take ownership of projects from ideation to deployment, with a … technologies Solid understanding of software engineering fundamentals and clean code principles Excellent problem-solving and analytical skills Strong communication skills and ability to collaborate with distributed teams Experience with Kotlin, Java, or other backend languages Familiarity with GraphQL and building RESTful APIs Exposure to CI/CD tools like Jenkins, Git, Docker, or TeamCity Experience in Agile/Scrum More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mobile Android Engineer (f/m/x)

London, United Kingdom
Yassir
engineering team, working with a high quality code base and the latest tools, where you will promote your skills to be an expert in complex frontend development in Android (kotlin) native platforms. Your primary focus will be development of mobile applications and their integration with back-end services. You will be working alongside other engineers and developers working on … pragmatic and effective technical solution Dive into difficult problems and successfully deliver results on schedule REQUIREMENTS Must have technical skills A minimum of 2 years of experience Language: Android, Kotlin Familiarity with cloud message APIs and push notification Web architecture: Rest and restful APIs, micro-services Version control: GIT Nice to have technical skills (Strongly advised) Containers: Docker, kubernetes More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Android Developer

London, United Kingdom
Hybrid / WFH Options
The Guardian
an inclusive culture. We are now looking for an Android Developer to join the Guardian's product and engineering team. Our award-winning Android application is primarily created in Kotlin and Java using Android Studio. We're focussed on providing a fast and stable experience to our users, and our Play Store rating of 4.7 stars is testament to … ll be building and testing major new features, as well as improving and maintaining existing functionality for The Guardian's Android apps. Our current codebase is 90%+ in Kotlin, but you may be required to work with Java too. You won't be coding in isolation - our culture is strongly collaborative, whether pair programming with other developers or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mobile Application Developer

London, United Kingdom
Motorola Solutions
We are looking for a passionate and experienced mobile developer to join our growing team to help to develop native iOS and Android apps, using Swift with SwiftUI and Kotlin with Compose respectively. Experience with these technologies is not required, but is preferred. If you care about creating great user experiences, writing solid and maintainable code, and continuously improving … someone who: Has experience working as a software developer. Has experience in building mobile applications for iOS, Android, or both. Has experience with a modern mobile language such as Kotlin or Swift. Is passionate about writing high-quality code. Can demonstrate outstanding technical ability. Wants to design and implement new functionality in close collaboration with colleagues who work with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mobile Application Developer

Uxbridge, Middlesex, United Kingdom
Motorola Solutions
We are looking for a passionate and experienced mobile developer to join our growing team to help to develop native iOS and Android apps, using Swift with SwiftUI and Kotlin with Compose respectively. Experience with these technologies is not required, but is preferred. If you care about creating great user experiences, writing solid and maintainable code, and continuously improving … someone who: Has experience working as a software developer. Has experience in building mobile applications for iOS, Android, or both. Has experience with a modern mobile language such as Kotlin or Swift. Is passionate about writing high-quality code. Can demonstrate outstanding technical ability. Wants to design and implement new functionality in close collaboration with colleagues who work with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Java/Kotlin - Equity Derivatives - VP

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
Senior Software Engineer - Java/Kotlin - Equity Derivatives - VP We are seeking a senior developer to join the London based team part of the Equity Derivatives Pre-Trade technology group. This role will position you as a technical and delivery lead to help to design and deliver the build out of a pre-trade request-for-quote and pricing … classes. Proficient in multi-threading and parallel task programming. Proven experience in ensuring robust testing quality practice and maintaining clean CI/CD pipelines. Preferred Qualifications: Experience working in Kotlin, Kafka, ELK. Experience leveraging LLMs assistant tools rationally for coding Understanding of trade booking and life cycle processes Knowledge of Mifid II, Dodd Frank regulations and controls Knowledge/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

London, United Kingdom
Movement8
Senior Full StackDeveloper Kotlin/Java/React (Hybrid, London) We're working with aninsurtech company thats redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences particularly in the automotive and mobility sectors. Responsibilities: Designing and … developing backend services and REST APIs using Kotlin and Java Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL Creating and maintaining AWS Lambda functions and infrastructure using Terraform Collaborating closely with product, design, and domain experts in a fast-moving, agile environment Playing a key role in shaping architecture and tech strategy as the platform scales Qualifications … years' experience with Kotlin/Java, React.js, and TypeScript A solid grasp of SQL and practical experience with PostgreSQL Comfortable working with infrastructure-as-code and DevOps practices in AWS Experience working in agile teams with strong CI/CD and testing culture Strong communication skills you're able to explain complex technical topics clearly to non-technical stakeholders More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Staff Back End Engineer

South West London, London, United Kingdom
Hybrid / WFH Options
John Lewis & Partners
you be doing? This is an opportunity to join one of our agile product teams working as a Staff Back-End Software Engineer. You will be using your excellent Kotlin or Java skills to build and support new features adding value for Our Business As a Staff Engineer, you will also use your knowledge of Software Engineering to lead … working in teams delivering complex, performant, high quality software. Essential skills/experience youll need Extensive experience leading, coaching and mentoring individuals/teams Expertise in either server side Kotlin or a modern version of Java. A structured approach to systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Android Engineer

London, United Kingdom
Hybrid / WFH Options
CreateFuture
something awesome, together, today. About the role and team: Our iOS and Android teams work simultaneously to bring similar but distinct experiences to our clients. Our Android developers use Kotlin, Coroutines and the latest Jetpack libraries. As we continue we're always looking to find and adopt the best tools for the job - whether that's making our CI … s within our project teams or in the wider mobile community. What you'll be doing: Developing mobile apps with a focus on readable, maintainable and tested code using Kotlin, Coroutines and modern android development practices Creating modern adaptable user experiences with Jetpack Compose Collaborating with designers, product owners, testers and clients to deliver great products as an agile More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Backend Software Engineer Java Kotlin AWS

West London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver … features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly … above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech More ❯
Employment Type: Full-Time
Salary: £60,000 - £85,000 per annum
Posted:

Kotlin Developer (backend)

London, South East, England, United Kingdom
Hybrid / WFH Options
Avanti
I’m working with a small but rapidly growing, start-up company on a mission to revolutionise the airline industry. They are currently recruiting for Kotlin Developers on a fully remote basis, although they do meet up in London once every 4-6 weeks. This role will be a fully hands-on position, where you will find yourself joining … in the airline space, such as RyanAir, EasyJet, British Airways, and American Airlines, and have been backed by some very influential figures. You will find yourself writing code in Kotlin for their API based systems, and will work across the full SDLC, including architectural and design discussions. You will be collaborating in defining, building, iterating, and testing core products … including building new features for their API based product. The technology you will be using consists of Kotlin as the main language and a Spring/Springboot Microservices architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum
Posted:

IOS Developer

London, United Kingdom
Randstad Technologies Recruitment
understand needs and deliver reliable solutions. Required Skills: Strong experience as an iOS Engineer, building and maintaining SDKs. Solid understanding of Swift and Objective-C. Exposure to Android development (Kotlin/Java) - even at a secondary level. Experience working in GCP (Google Cloud Platform) environments. Excellent collaboration and communication skills. Nice to Have Experience with: BigQuery Kotlin, Java More ❯
Employment Type: Contract
Rate: £66 - £74/hour
Posted:

Senior Software Engineer - Android

London, United Kingdom
Hybrid / WFH Options
DELIVEROO
value experience in some of the following areas, not necessarily all: Writing readable, well-designed, and well-tested software 5+ years of experience in building Android applications at scale Kotlin and/or Java expertise Scaling Android architecture 3+ years using Android development tools like Android Studio Working in cross-functional teams Knowledge of Android SDK and AndroidX Interest … in Kotlin development Workplace & Diversity At Deliveroo, people are our heart. We prioritize their welfare and offer benefits across health, family, finance, community, and growth. We embrace diversity, welcoming all backgrounds and identities. All you need is a passion for food and a desire to be part of a fast-growing startup in an exciting space. Benefits include: Competitive More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer Android (London)

London, UK
Hybrid / WFH Options
DELIVEROO
value experience in some of the following areas, not necessarily all: Writing readable, well-designed, and well-tested software 5+ years of experience in building Android applications at scale Kotlin and/or Java expertise Scaling Android architecture 3+ years using Android development tools like Android Studio Working in cross-functional teams Knowledge of Android SDK and AndroidX Interest … in Kotlin development Workplace & Diversity At Deliveroo, people are our heart. We prioritize their welfare and offer benefits across health, family, finance, community, and growth. We embrace diversity, welcoming all backgrounds and identities. All you need is a passion for food and a desire to be part of a fast-growing startup in an exciting space. Benefits include: Competitive More ❯
Employment Type: Full-time
Posted:

Junior Mobile Developer iOS and Android

London, South East, England, United Kingdom
Method Resourcing
Mobile Developer | Kotlin | Swift | iOS | Android | AI | Hybrid | London | £40,000 - £45,000 Are you an ambitious developer ready to embrace AI? Want to work for a rapidly growing company whose AI product is set to take the travel industry by storm? Method Resourcing have partnered with an up and coming B2B business who are innovating for tourism and … ideas. The perfect balance of support and autonomy where you can upskill quickly and accelerate your career. We are looking for: A strong Mobile Engineer - ideally with knowledge of Kotlin and Swift (candidates with strong experience in just one will also be considered) Strong communication skills The ability to work well in a small team A creative thinker A More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Staff Software Engineer Java Kotlin AWS

East London, London, United Kingdom
Hybrid / WFH Options
Client Server
Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social … Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business logic, authentication and … and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems More ❯
Employment Type: Permanent, Work From Home
Posted:

Staff Software Engineer Java Kotlin AWS

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social … Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business logic, authentication and … and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Software Engineer II - Android

London, United Kingdom
Hybrid / WFH Options
DELIVEROO
some of the following areas, though we do not require all: Writing readable, well-designed, and well-tested software 3+ years of experience in Android application development at scale Kotlin and/or Java proficiency Experience in scaling Android architecture 3+ years using Android development tools like Android Studio Working in cross-functional teams Knowledge of Android SDK and … AndroidX Interest in Kotlin development Workplace & Diversity At Deliveroo, people are our heart. We offer benefits across health, family, finance, community, growth, and relocation. We value diversity and inclusivity, welcoming all backgrounds and identities. All you need is a passion for food and a desire to be part of a fast-growing startup. A competitive benefits package includes: Competitive More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

React Native Developer (Expo) Secure Tech

London, United Kingdom
Evermore Global Sourcing Ltd
gen in the "Secure Tech" focused industry with real impact and purpose. Key responsibilities: React Native Developer (Expo) Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. … What we're looking for: React Native Developer (Expo) Secure Tech 4+ years experience with React Native, ideally using the Expo SDK Strong knowledge of native module development in Kotlin/Swift Exposure to cryptographic principles, MIME standards, and OAuth2 Hands-on experience with secure systems, testing frameworks, and Git workflows Excellent communication and problem-solving skills If youre More ❯
Employment Type: Contract
Posted:
Kotlin
London
10th Percentile
£25,000
25th Percentile
£45,625
Median
£75,000
75th Percentile
£95,938
90th Percentile
£124,250