to ensure everything works without downtime. Our systems are self-healing, responding gracefully to extreme loads or unexpected input. We use modern languages like Kotlin and Scala, Data technologies Kafka, Spark, MLflow, Kubeflow, VastStorage, StarRocks and agile development practices. Most importantly, we hire great people from around the world … the travel industry. What You'll Need to Succeed 5+ years of experience developing performance-critical applications in a production environment using Scala, Java, Kotlin, C#, Go or relevant modern programming languages. Strong RDBMS knowledge (SQL Server, Oracle, MySQL, or other). Ability to design and implement scalable architectures More ❯
to ensure everything works without downtime. Our systems are self-healing, responding gracefully to extreme loads or unexpected input. We use modern languages like Kotlin and Scala, Data technologies Kafka, Spark, MLflow, Kubeflow, VastStorage, StarRocks and agile development practices. Most importantly, we hire great people from around the world … the travel industry. What You'll Need to Succeed 5+ years of experience developing performance-critical applications in a production environment using Scala, Java, Kotlin, C#, Go or relevant modern programming languages. Strong RDBMS knowledge (SQL Server, Oracle, MySQL, or other). Ability to design and implement scalable architectures More ❯
Newcastle Upon Tyne, Tyne And Wear, United Kingdom Hybrid / WFH Options
LeoVegas Group
/CD process, following the Kanban methodology to deliver high-quality solutions. You will work alongside expert back-end developers specialising in Java and Kotlin, as well as dedicated Quality Assurance Engineers. YOU WILL BE RESPONSIBLE FOR: Helping the development of a multi-brand gaming platform called Rhino, built … Min. 2 years of experience in using Java + Spring Boot framework. Experience with MySQL. Familiarity with microservice architectures. NICE TO HAVES Experience with Kotlin, Git, Kafka, Jenkins, Akka, Hazelcast, and Elasticsearch. Familiarity with Google Cloud Platform and BigQuery. Strong understanding of API testing methodologies and hands-on experience More ❯
City, Edinburgh, United Kingdom Hybrid / WFH Options
CreateFuture
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 … 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 More ❯
Senior/Principal Software Engineer - Kotlin £90,000-£150,000 basic salary Project at Tier One Investment Bank London - Hybrid working - flexible Are you a Senior/Principal Engineer with commercial Kotlin experience who is ready to make an impact in one of the world's leading financial … institutions in the new year? We're searching for a Senior/Principal Kotlin focused Engineer to join a critical project at a Tier 1 Investment Bank, working on mission-critical systems that power global investment strategies. This is a greenfield project where you'll have a lot of … time trading and risk management systems. Ensure code quality through best practices, TDD, and strong testing methodologies. What we're looking for: Expertise in Kotlin and experience building high-performance backend systems. A solid background in distributed systems. Experience with cloud technologies. Familiarity with microservices architecture, CI/CD More ❯
Staff Software Engineer, Backend (Consumer Payments) Remote UK Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. As part of the More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Redline Group Ltd
Android Developer - Connected Devices Redline Group is recruiting on behalf of a leading electronics technology company. We are seeking Android Developers to join their growing team, with the role based in Manchester one day per week as part of a More ❯
leeds, west yorkshire, yorkshire and the humber, United Kingdom Hybrid / WFH Options
Client Server
Mobile Solution Architect (Kotlin Multiplatform) Leeds/WFH to £80k (12 month FTC) Opportunity to take ownership of a major re-platforming project for a leading transport provider. As a Mobile Solution Architect you'll take a lead in the solution design and transformation of the mobile app that … provides real-time journey information, planning and ticketing, from the current iOS and Android platforms to a Kotlin Multiplatform environment. You'll provide technical guidance to the development team and manage a third party vendor on the UX/UI aspects. Location/WFH: There's a hybrid work … months, reducing to 1-2 days. About you: You have experience of re-architecting a B2C mobile application You have a strong knowledge of Kotlin Multiplatform You have a mobile development background and have moved into a mobile architecture role You have experience of managing projects and development teams More ❯
native specialisms, ensuring their professional growth and fostering collaboration. Native Mobile Development Support: Nurture engineers to grow their skills in iOS (Swift) and Android (Kotlin/KMP) while staying up-to-date with platform changes and best practices. Hiring & Team Growth: Lead hiring efforts for new engineers, particularly in … iOS, Android, and Kotlin Multiplatform (KMP). This will include defining job specifications, shaping the interview process, identifying career paths, and sourcing strong candidates. Cross-Functional Collaboration : Work closely with engineers, product managers, and stakeholders to align priorities and evolve the app ecosystem effectively, and to support collaboration with … A keen understanding of hiring and career development in mobile engineering teams, particularly in iOS and Android development. Extensive experience with Swift (iOS) and Kotlin (Android), with a deep understanding of native and hybrid mobile applications. Experience with Kotlin Multiplatform would also be advantageous. Solid full-stack JavaScript More ❯
team A strong commitment to collaborative problem-solving, thoughtful design, and the delivery of a high-quality product is essential Modern Android development with Kotlin and modern Android development toolkit Experience with coroutines and reactive programming using Kotlin Flow Good understanding of MVVM, ViewModel and LiveData About the More ❯
team A strong commitment to collaborative problem-solving, thoughtful design, and the delivery of a high-quality product is essential Modern Android development with Kotlin and modern Android development toolkit Experience with coroutines and reactive programming using Kotlin Flow Good understanding of MVVM, ViewModel and LiveData About the More ❯
a rich experience for customers You will follow best practices in testing, documentation & maintainability, ensuring a clean & scalable codebase ⚙️ Tech you will work with: Kotlin, Grails, Vert.x, gRPC, microservices, event-driven architecture, GCP, Kubernetes, Terraform, Kafka, BigQuery, PostgreSQL Ideal Candidates will have: 3+ years commercial experience building complex systems … using a JVM language (Java, Kotlin, Scala) Experience building scalable microservices with gRPC and/or REST APIs Experience working on data-driven, or message-queueing systems, using tech like Kafka Experience working in a startup or smaller company, moving at a fast pace and owning as much as More ❯
a rich experience for customers You will follow best practices in testing, documentation & maintainability, ensuring a clean & scalable codebase ⚙️ Tech you will work with: Kotlin, Grails, Vert.x, gRPC, microservices, event-driven architecture, GCP, Kubernetes, Terraform, Kafka, BigQuery, PostgreSQL Ideal Candidates will have: 3+ years commercial experience building complex systems … using a JVM language (Java, Kotlin, Scala) Experience building scalable microservices with gRPC and/or REST APIs Experience working on data-driven, or message-queueing systems, using tech like Kafka Experience working in a startup or smaller company, moving at a fast pace and owning as much as More ❯
ll Do: Build beautiful, performant mobile apps using Flutter and Dart for iOS and Android Use Platform Channels to integrate native code (Java/Kotlin for Android; Swift/Objective-C for iOS) Debug, test, and ship apps to the Play Store and App Store Collaborate with designers and … freelance work , competitions , or hackathons Solid grasp of data structures , algorithms , and mobile development patterns Exposure to native mobile platforms is a plus (Java, Kotlin, Swift, Objective-C) Passion for mobile technologies and continuous learning Qualifications: Master's or PhD in Computer Science, Software Engineering, or a related field More ❯
In this role, you will work closely with front-end and back-end developers, as well as product designers, to develop and enhance our mobile applications. You will use your experience to engineer mobile infrastructure that is second-to-none. More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Redline Group Ltd
Redline Group is recruiting on behalf of a leading electronics technology company. We are seeking Lead Android Developers to join their growing team, with the role based in Manchester one day per week as part of a hybrid working model. More ❯
forward thinking! They are looking for a Senior Software Engineer who comes with a solid engineering background using Vue/TypeScript on the Frontend & Kotlin on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will be More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
forward thinking! They are looking for a Senior Software Engineer who comes with a solid engineering background using Vue/TypeScript on the Frontend & Kotlin on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will be More ❯
thinking! They are looking for a Full-Stack Software Engineer who comes with a engineering background using TypeScript, Vue OR React on the Frontend & Kotlin OR Java on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
thinking! They are looking for a Full-Stack Software Engineer who comes with a engineering background using TypeScript, Vue OR React on the Frontend & Kotlin OR Java on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will More ❯
their own path and a pragmatic and iterative approach to achieving our long term goals Technologies: We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense More ❯
Senior Kotlin Contractors - Outside IR35 We are looking for multiple Kotlin Engineers to work on a large scale project, for a leading client of ours in London. £600 - 700 per day 6 month initial contract Outside IR35 2 days a week in London, 3 days a WFH Tech … Stack - Kotlin, AWS, TDD, Docker/Kubernetes, SQL. More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Oliver Bernard
Senior Kotlin Contractors - Outside IR35 We are looking for multiple Kotlin Engineers to work on a large scale project, for a leading client of ours in London. £600 - 700 per day 6 month initial contract Outside IR35 2 days a week in London, 3 days a WFH Tech … Stack - Kotlin, AWS, TDD, Docker/Kubernetes, SQL. More ❯
native specialisms, ensuring their professional growth and fostering collaboration. Native Mobile Development Support: Nurture engineers to grow their skills in iOS (Swift) and Android (Kotlin/KMP) while staying up-to-date with platform changes and best practices. Hiring & Team Growth: Lead hiring efforts for new engineers, particularly in … iOS, Android, and Kotlin Multiplatform (KMP). This will include defining job specifications, shaping the interview process, identifying career paths, and sourcing strong candidates. Cross-Functional Collaboration : Work closely with engineers, product managers, and stakeholders to align priorities and evolve the app ecosystem effectively, and to support collaboration with … A keen understanding of hiring and career development in mobile engineering teams, particularly in iOS and Android development. Extensive experience with Swift (iOS) and Kotlin (Android), with a deep understanding of native and hybrid mobile applications. Experience with Kotlin Multiplatform would also be advantageous. A strategic mindset, balancing More ❯
with payment, accounting and other providers to make sure we can provide the easiest process for clients. What you'll need We primarily utilise Kotlin on the server side, so while we do not mandate proficiency specifically in Kotlin, readiness to work with it is essential. Experience with … dedication to collaborative development and community engagement. We look forward to exploring your GitHub profile with genuine curiosity. Proficient in JVM-based languages, particularly Kotlin, for server-side development. Have hands-on experience with Kubernetes and Terraform. Have experience with advanced Postgres features like GIST indexes, partitioning and replication. More ❯