Newcastle upon Tyne, England, United Kingdom Hybrid / WFH Options
Capgemini
in consulting and client delivery. You'll have access to a wide array of training programs and certifications in areas such as: Cloud Technologies: AWS, Azure, GCP Programming: Java, Kotlin, Node.js, Spring Boot DevOps: Terraform, Kubernetes, Docker Cybersecurity: CISSP, CISM Agile Delivery: Scrum Master, Product Owner, Scaled Agile Framework This flexibility allows you to build expertise in domains that More ❯
One of the UKs most iconic omni-channel retailers is looking for a Senior Kotlin Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Richard Wheeler Associates
Senior Android Developer - Android, Kotlin, MVVM, Java, XML - health care mobile 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 groundbreaking patented technology in the … for a proactive and experienced Senior Android Developer to work across a portfolio of successful apps in a fun, talented team. 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 interactions. As a key member of the team, you’ll have a … continuous integration, and code quality tools Essential Skills and experience: 5+ 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 ❯
Social network you want to login/join with: Lead Software Engineering - Kotlin Java React, London col-narrow-left Client: Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 07d5d04f4f7c Job Views: 26 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: Be an integral part of an agile team that … solving beyond one's specialty. Ensure zero downtime for releases, optimized data handling, reliable systems, and continuous technology updates. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient advanced experience (if Java, a willingness to learn Kotlin). Contribute to designing and building scalable and performant front-end solutions written in More ❯
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
Bracknell, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a BackEnd Software Engineer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
Bristol, Avon, South West, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
future of our Carer Companion App. The successful candidate will not only be responsible for designing and implementing new features but will also lead a strategic initiative to leverage Kotlin Multiplatform (KMP) to abstract and share backend functionality across both platforms. This is an exciting opportunity for a forward-thinking developer to make a significant impact on a product … and intuitive user experience. Cross-Platform Collaboration: Work closely with our existing Android and iOS developers to foster a collaborative environment, share knowledge, and ensure consistency across both platforms. Kotlin Multiplatform Initiative: Lead the design and implementation of a Kotlin Multiplatform strategy to create a shared backend codebase for the Carer Companion App, improving development efficiency and code … to the team and the product. About you Proven experience as a Senior Mobile Developer with a strong portfolio of shipped applications on both Android and iOS. Expertise in Kotlin and a solid understanding of Swift . Demonstrable experience with or a strong passion for Kotlin Multiplatform . A deep understanding of mobile architecture patterns (e.g., MVVM, MVI More ❯
future of our Carer Companion App. The successful candidate will not only be responsible for designing and implementing new features but will also lead a strategic initiative to leverage Kotlin Multiplatform (KMP) to abstract and share backend functionality across both platforms. This is an exciting opportunity for a forward-thinking developer to make a significant impact on a product … and intuitive user experience. Cross-Platform Collaboration: Work closely with our existing Android and iOS developers to foster a collaborative environment, share knowledge, and ensure consistency across both platforms. Kotlin Multiplatform Initiative: Lead the design and implementation of a Kotlin Multiplatform strategy to create a shared backend codebase for the Carer Companion App, improving development efficiency and code … to the team and the product. About you Proven experience as a Senior Mobile Developer with a strong portfolio of shipped applications on both Android and iOS. Expertise in Kotlin and a solid understanding of Swift . Demonstrable experience with or a strong passion for Kotlin Multiplatform . A deep understanding of mobile architecture patterns (e.g., MVVM, MVI More ❯
future of our Carer Companion App. The successful candidate will not only be responsible for designing and implementing new features but will also lead a strategic initiative to leverage Kotlin Multiplatform (KMP) to abstract and share backend functionality across both platforms. This is an exciting opportunity for a forward-thinking developer to make a significant impact on a product … and intuitive user experience. Cross-Platform Collaboration: Work closely with our existing Android and iOS developers to foster a collaborative environment, share knowledge, and ensure consistency across both platforms. Kotlin Multiplatform Initiative: Lead the design and implementation of a Kotlin Multiplatform strategy to create a shared backend codebase for the Carer Companion App, improving development efficiency and code … to the team and the product. About you Proven experience as a Senior Mobile Developer with a strong portfolio of shipped applications on both Android and iOS. Expertise in Kotlin and a solid understanding of Swift . Demonstrable experience with or a strong passion for Kotlin Multiplatform . A deep understanding of mobile architecture patterns (e.g., MVVM, MVI More ❯
Android Developer to join their team working for a client in the Financial Services sector. Required skills: 4+ years of experience in developing Android applications. Proficiency in Java/Kotlin: Strong command of Kotlin programming languages for Android development with Jetpack Compose. Deep understanding of Android SDK and Android Studio for developing mobile applications. Ability to design intuitive More ❯
Git, Maven/Gradle, JPA, Design Patterns. Hands-on experience with TypeScript, Angular, HTML, CSS, JavaScript. Have at least 5 years of professional experience in software development. Experience in Kotlin (the services you will be responsible for are mainly written in Kotlin). Experience with distributed systems. Be able to work with PM/QA/DevOps as More ❯
that make payment integration simple and reliable Standardized APIs that reduce complexity for third-party integrators Secure, compliant payment processing components that meet industry standards Your Story: Essential Requirements Kotlin Multiplatform Experience: Hands-on experience developing and shipping KMP projects, including shared business logic and platform-specific implementations Mobile Development: Strong background in either Android (Kotlin) or iOS … API design and developer experience Payment Technology Knowledge: Understanding of contactless payments, NFC technology, or financial transaction processing (preferred but not required for exceptional KMP candidates) Technical Skills Advanced Kotlin: Deep expertise in Kotlin language features, coroutines, and multiplatform-specific APIs Cross-Platform Architecture: Understanding of shared code strategies, expect/actual patterns, and platform-specific implementations API More ❯
version control Experience working in an Agile environment Nice-to-Have: Background in Financial Services or experience working in regulated environments React or frontend experience - not mandatory but useful Kotlin - experience or willingness to work with Kotlin-based services Experience with Kafka, RabbitMQ, or other messaging systems Knowledge of cloud platforms (AWS, GCP, or Azure) Familiarity with DevOps More ❯
the initiative and shape their own path and a pragmatic and iterative approach to achieving our long-term goals. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient advanced experience (if Java, a willingness to learn Kotlin). Contribute to designing and building scalable and performant front-end solutions written in More ❯
version control Experience working in an Agile environment Nice-to-Have: Background in Financial Services or experience working in regulated environments React or frontend experience – not mandatory but useful Kotlin – experience or willingness to work with Kotlin-based services Experience with Kafka, RabbitMQ, or other messaging systems Knowledge of cloud platforms (AWS, GCP, or Azure) Familiarity with DevOps More ❯
business goals Facilitate knowledge-sharing across mobile platforms and advocate for best practices Partner with engineering leadership to scale mobile capabilities and contribute to hiring efforts Our Technology Stack Kotlin/Java Jetpack Compose RxJava/Coroutines Proto3/WebSockets/REST APIs Flutter (as a cross-platform addition) CI/CD Pipelines What You'll Need 6+ years … of professional Android development experience Strong knowledge of the Android SDK, Jetpack Compose, and MVP/MVVM architecture Solid experience with Kotlin Coroutines, RxJava, and Java concurrency Proficiency with dependency injection frameworks Experience building apps that consume HTTP APIs, WebSockets, and Protocol Buffers (proto3) Confidence in writing and maintaining UI tests Clear and professional English communication (B2+ level or More ❯
the Product team to understand user’s needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. Participate with the rest of the team in the process of designing how our architecture needs to evolve to meet our needs. We … high quality software that adjusts to business and product needs to provide a great user experience in a timely manner Experience with a JVM language (Java/Scala/Kotlin) and Springboot Experience designing systems from scratch as well as understanding how to evolve existing architectures to achieve new goals, both serverless and managed in the cloud Hands-on More ❯
the principles of lean and self-organisation . Please note: This position requires you to work on client-site in central London three times a week. You rock at Kotlin (Kotlin Multiplaform is a plus); Java (to read legacy code) Jetpack Compose (Compose Multiplatform is a plus) Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and More ❯
to software engineering communities of practice and events that explore new and emerging technologies. Adds to team culture of equity, respect, and inclusion. Design, develop and maintain microservices using Kotlin or Java with Spring Boot. Build robust, scalable GraphQL APIs and backend components. Deploy, monitor and manage services in AWS, particularly EKS (Kubernetes). Write clean, well-documented, and … Application Resiliency, and Security. Practical cloud experience. Demonstrated knowledge of software applications and technical processes within a discipline (e.g., cloud, AI, ML, mobile, etc.). Strong development experience in Kotlin or Java. Proficiency in Spring Boot and associated ecosystem (JPA, Spring Security, etc.). Solid grasp of SQL and NoSQL databases. Additional qualifications, capabilities, and skills Experience with AWS More ❯
software engineering communities of practice and events that explore new and emerging technologies Adds to team culture of diversity, equity, inclusion, and respect Design, develop and maintain microservices using Kotlin or Java with Spring Boot Build robust, scalable GraphQL Apis and backend components Deploy, monitor and manage services in AWS, particularly EKS (Kubernetes) Write clean, well-documented, and testable … Security Practical cloud native experience Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Strong development experience in Kotlin or Java Proficiency in Spring Boot and associated ecosystem (JPA, Spring Security, etc) Solid graps of SQL and NoSQL databases Preferred qualifications, capabilities, and skills Experience with AWS cloud More ❯
