51 to 75 of 88 Kotlin Jobs in London

Senior Backend Product Engineer

Hiring Organisation
CAIS
Location
London, UK
Employment Type
Full-time
responsibility, so engineers own testing too. We care about strong engineering fundamentals, especially as AI changes how we build. You'll mostly write Kotlin, working with Spring, Postgres, Elasticsearch and Kafka, and deploying to Kubernetes on AWS through GitHub and ArgoCD. Why join us Real ownership: you'll shape … legacy, and our systems have been built in the last few years Skills & Experience Experience working as a software developer with Java or Kotlin server-side applications Track record of turning business problems into working software, with a clear, measurable impact Experience building and running mission-critical services ...

Mobile Engineer II, Android

Hiring Organisation
Expedia
Location
London, UK
Employment Type
Full-time
travel mobile apps at a scale only a few companies can match. In this role, you will: Build, enhance, and maintain Android applications using Kotlin, applying solid understanding of Android platform capabilities, UI components, and mobile design patterns to deliver high-quality customer experiences across Expedia Group brands. Design … Computer Science, Engineering, or a related technical field, or equivalent practical experience in professional software development. Experience building and shipping Android applications using Kotlin in a production environment, including ownership of features or services within a larger mobile application. Proven ability to design and implement mobile low-level designs ...

Java Developer

Hiring Organisation
Global
Location
London, UK
Employment Type
Full-time
Accepting applications until: 27 November 2026Job DescriptionYour Role: Java Developer Keeping our audiences entertained with their favourite podcasts, radio shows, video content and playlists, the Consumer Growth team builds best-in-class tech to help ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
This job is with Global, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 27 November 2026 ...

Software Development Engineer II

Hiring Organisation
Expedia
Location
London, UK
Employment Type
Full-time
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through ...

SC Cleared Developer - TypeScript, React, Kotlin, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£375.00 - £425.00 per day
Cleared Developer - TypeScript, React, Kotlin, AWS £market rate (Outside IR35) 6 Month Contract Primarily Remote - occasional London/Manchester travel I'm currently working with a leading organisation seeking Developers for a major public sector programme. You'll be working across a modern full-stack environment, supporting the development … delivery of cloud-based applications using React, TypeScript, Kotlin and AWS. Key Requirements: Proven experience as a Developer with strong TypeScript/React Must hold active SC Clearance. Kotlin and Spring Boot development. Hands-on AWS experience across ECS, Lambda, S3, SQS, RDS, IAM, CloudWatch and OpenSearch. Terraform ...

Senior Kotlin/JVM Engineer

Hiring Organisation
Lendable
Location
London, UK
Employment Type
Full-time
roleAs we continue to build upon the diversity of our team we are thrilled to have the opportunity to bring on board a Senior Kotlin/JVM Engineer. This is an opportunity to bring new experience, perspective and capabilities to our design discussions, helping shape our approach to delivering … Superapp. There is more to build as we scale. We're looking for an engineer with a depth of knowledge and recent hands-on Kotlin experience or JVM based engineering experience that enables them to not only deliver elegant, idiomatic solutions in Kotlin or Java but also ...

Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 per annum
Develop and deliver new functionality across customer-facing web applications Build scalable front-end applications using React and TypeScript Contribute to backend development using Kotlin, Java and Spring technologies when required Work within cross-functional product squads following agile delivery practices Use AI-powered engineering tools and agent-based … with modern web architectures Experience working in agile development environments Strong understanding of AI-assisted development and agentic engineering workflows Experience with Java or Kotlin development Knowledge of Spring Boot and microservices architectures Experience with relational databases and cloud-based environments AWS, Docker, Kubernetes, Kafka or GraphQL experience would ...

Android Engineer

Hiring Organisation
Motorway
Location
London, UK
Employment Type
Full-time
Collaborating with designers, product managers and other engineers to build high-quality customer experiences. Designing, building and shipping Android features using Kotlin and Jetpack Compose. Contributing to the development of our in-house Server-Driven UI framework, helping us deliver features and dynamic experiences more quickly. Supporting and improving … standards and practices used across the Mobile Engineering group. About youWe're looking for someone with: Commercial experience building Android applications. Good knowledge of Kotlin and modern Android development. Experience with Jetpack Compose, or an interest in developing your skills with it. An understanding of common mobile development principles ...

Software Development Engineer III

Hiring Organisation
Expedia
Location
London, UK
Employment Type
Full-time
adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. … Degree (4+ years post-degree experience)Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languagesProven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. You have experience formally mentoring ...

Senior Product Engineer, React Native

Hiring Organisation
Zapp
Location
London, UK
Employment Type
Full-time
Senior Product Engineer, React NativeLocation: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You'll need the right to work in the UK and be based in London. ...

Senior Engineering Manager - Mobile (Contract)

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
travel and lifestyle services. ResponsibilitiesDesign, develop, test and deliver production mobile application features, acting as a hands-on engineer in Swift/iOS or Kotlin/AndroidContribute directly to technical solutions and mobile application architecture, setting and upholding high engineering standards for code quality, testing, performance, reliability and maintainabilityProvide … leadershipBuild strong working relationships across teams and drive alignment when priorities or viewpoints differRequirementsDeep, current development experience with iOS/Swift or Android/Kotlin, comfortable spending significant time writing production codeExtensive experience building and launching multiple production mobile applications through the Apple App Store and/or Google ...

Senior Engineering Manager - Mobile (Contract)

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
lifestyle services. Responsibilities Design, develop, test and deliver production mobile application features, acting as a hands-on engineer in Swift/iOS or Kotlin/Android Contribute directly to technical solutions and mobile application architecture, setting and upholding high engineering standards for code quality, testing, performance, reliability and maintainability … working relationships across teams and drive alignment when priorities or viewpoints differ Requirements Deep, current development experience with iOS/Swift or Android/Kotlin, comfortable spending significant time writing production code Extensive experience building and launching multiple production mobile applications through the Apple App Store and/ ...

Senior Mobile Engineering Manger (Hands on)

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Mobile Engineering - ~50% Actively design, develop, test and deliver production mobile application features. Be a hands-on engineer in Swift/iOS or Kotlin/Android . Contribute directly to technical solutions and mobile application architecture. Set and uphold high engineering standards for code quality, testing, performance, reliability … following are essential requirements for this role : Hands-on mobile engineer: Deep, current development experience with iOS/Swift or Android/Kotlin . You must be comfortable spending significant time writing production code. Proven mobile delivery: Extensive experience building and launching multiple production mobile applications through the Apple ...

Principal Product Engineer, React Native

Hiring Organisation
Zapp
Location
London, UK
Employment Type
Full-time
Principal Product Engineer, React NativeLocation: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You'll need the right to work in the UK and be based in London. ...

Senior Mobile App Developer (Kotlin)

Hiring Organisation
Netcompany
Location
London, UK
Employment Type
Full-time
program delivery and service operations, our offerings are designed to meet diverse business needs. Job DescriptionWe are seeking a talented Mobile App Developer with Kotlin expertise to join our growing mobile development team. As mobile-first solutions become increasingly critical to our client delivery, we need a skilled developer … quality Android applications and contribute to cross-platform development initiatives. This is an excellent opportunity to work on diverse projects across consulting environments, leveraging Kotlin Multiplatform to expand reach and efficiency. Key Responsibilities Design and develop robust Android applications using Kotlin, following best practices and architectural patterns Implement ...

Senior Java/Kotlin Software Engineer - London

Hiring Organisation
Zopa
Location
London, UK
Employment Type
Full-time
friendly working atmosphere. We have a flat hierarchy and give you the opportunity to make a real impactYour toolkit: You'll work with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies. If you haven't worked with all of these, we value skilled engineers with ...

Senior Android Software Engineer - Grow

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
learn more we do want to hear from you! Proven experience in building and deploying an application that delights customers Strong proficiency in Kotlin Familiarity with modern app architectures like Unidirectional Data Flow, Dependency Injection, Structured Concurrency with Kotlin Coroutines, amongst others Desire to write testable code Understanding ...

Senior Mobile App Developer (Swift)

Hiring Organisation
Netcompany
Location
London, UK
Employment Type
Full-time
excellent opportunity to work on diverse projects across consulting environments, with the potential to expand your skillset into cross-platform development using Kotlin Multiplatform. Design and develop robust iOS applications using Swift, following best practices and architectural patterns Implement and maintain Firebase services for real-time push notifications Enhance … development processes Troubleshoot and resolve technical issues, optimizing app performance and user experience Contribute to architectural decisions and evaluate emerging technologies, including Kotlin Multiplatform opportunities for cross-platform development QualificationsEssential: Proven experience developing production iOS applications with Swift Hands-on experience with Google Firebase Experience enhancing and optimizing existing ...

Consulting Manager

Hiring Organisation
Virtusa
Location
London, UK
Employment Type
Full-time
teamEssential Criteria – Education & ExperienceBachelor's Degree in computer science, computer science engineering, or related experiencerequired; advanced degree preferre5+ years of active engineering – Experienced with Kotlin/Java2+ years leadership experience in a complex technical environment and/or comparableexperienceSuccessful design, creation and deployment of one or more enterprise-grade … automated,functional, and performance)Essential Criteria – Technical SkillsDeep knowledge and experience in programming, testing, and application design formicroservices using Java 17 and above or Kotlin, Spring and build automation with Gradle. Observability – Logging, Monitoring & Alerting Strategy & Implementation using industrystandard frameworks like SentryDeep Knowledge of cloud and CI/ ...

Flutter Engineer - Platform

Hiring Organisation
Capital On Tap
Location
London, UK
Employment Type
Full-time
regular conversations about your progress towards SeniorWhat We're Looking ForSome hands-on experience with Flutter and Dart, or with native mobile in Kotlin or Swift, whether at work, on a side project or through self-studySolid engineering fundamentals from your current role, in any stackA genuine interest … newA proactive, supportive and collaborative way of workingA fit with our values: Be A Buddy, Why Not Today, Just PilotOur Tech StackMobile: Flutter, Dart, Kotlin, SwiftRiverpod, GoRouter, CodeMagic]Diversity & Inclusion ðWe welcome, consider and encourage applications from anyone who shares our commitment to inclusivity. Join us in creating ...

Senior Android Engineer

Hiring Organisation
Yoto
Location
London, UK
Employment Type
Full-time
particularly committed to improving performance and stability, as evidenced by our excellent crash-free rate and App Store reviews. Our codebase is using Kotlin and we've been on a journey to migrate screens to Compose. We are constantly looking for ways to improve and modernise the codebase. … spent several years building Android apps and are comfortable picking things up quickly and getting to something useful early. You have native Android Kotlin development experience. You understand patterns such as MVI or MVVM.You have experience consuming third-party APIsYou have experience with UI, unit and Snapshot testing. Experience ...

Java/Kotlin Software Engineer - London

Hiring Organisation
Zopa
Location
London, UK
Employment Type
Full-time
services end-to-end, from conception to production monitoringCollaborate directly with product, design and data experts to shape solutionsYour toolkit: You'll work with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies. If you haven't worked with all of these, we value skilled engineers with ...

Senior Java Developer

Hiring Organisation
Ncounter
Location
London, UK
Employment Type
Full-time
focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and JavaMulti-threading, concurrency and Low-latency experienceExposure to Kotlin as well as Strings, Memory Management and associated problems a plusAutomated test experience, Unit … Kafka a huge plusTo excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. ...

Senior C# Software Engineer - London

Hiring Organisation
Zopa
Location
London, UK
Employment Type
Full-time
current opportunities in Current Accounts, Lending, Credit Cards and Product Enablement. We care deeply about great engineering, which is why our core stack is Kotlin, running on a modern platform with Kafka, Kubernetes, Docker and AWS Aurora Postgres. But great engineers aren't defined by a single language which … fundamentals, and have an appetite for learning something new, we'll invest in you, help you grow your skills and confidently step into our Kotlin ecosystem. Your impact: Owning complex initiatives end to end, from idea to measurable outcome Designing scalable backend systems that stand up to real-world ...