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 ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
LA International Computer Consultants Ltd
a robust product is released Key Skills & Experience: * You will have a proven track record as an Android Developer. * Good understanding of Android platform with a good proficiency in Kotlin * Past experience of releasing a mobile app to Google Play * Have a quality led development focus, utilising version control, unit testing, UI testing and CI/CD. Ideally Git 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 ❯
Newcastle upon Tyne, England, United Kingdom Hybrid / WFH Options
Capgemini
make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not exhaustively) NodeJS,, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases. Our Full Stack Engineers sit within Digital Factory, part of the Business Technology practice in Capgemini Invent, which leads digital transformation projects … in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
technical advice and elicit requirements. About You Experience developing for Google’s Flutter platform using the Dart programming language Has a secondary skill as a native Android (Java/Kotlin) or iOS (Swift) mobile developer, or other similar domain. A solid understanding of HTTP, RESTful APIs and how a mobile app consumes them An appreciation of mobile UX and More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
CreateFuture
requirements with making sure we have the right tools for the job and you will be an integral part of influencing these choices of technology. The Role Developing idiomatic Kotlin services, including RESTful APIs and interaction with databases with a focus on secure, readable, maintainable and well-tested code Integrating with third-party APIs such as payment gateways Being … of difficult client communications for specific issues Being able to define and oversee the technical implementation of a client project Requirements You have strong knowledge of API development using Kotlin, including ORM frameworks, authorization/authentication and instrumentation You actively facilitate and encourage knowledge sharing within the team and wider department You advocate for best engineering practices such as More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
CreateFuture
requirements with making sure we have the right tools for the job and you will be an integral part of influencing these choices of technology. The Role Developing idiomatic Kotlin services, including RESTful APIs and interaction with databases with a focus on secure, readable, maintainable and well-tested code Integrating with third-party APIs such as payment gateways Being … of difficult client communications for specific issues Being able to define and oversee the technical implementation of a client project Requirements You have strong knowledge of API development using Kotlin, including ORM frameworks, authorization/authentication and instrumentation You actively facilitate and encourage knowledge sharing within the team and wider department You advocate for best engineering practices such as More ❯
Lancaster, England, United Kingdom Hybrid / WFH Options
Quantum Base Limited
features, improve performance, and ensure a seamless user experience. This is a unique opportunity to work on impactful projects in a fast-paced, innovative environment, including: App development in Kotlin Problem solve with our team, bringing new perspectives and experience into our team Implement modern best practices and high quality, testable, readable code Identify and fix bugs and performance … improve the development process by implementing tools and automation. Key experience Proven experience as an Android engineer with at least 5+ years of hands-on development experience. Proficiency in Kotlin, with a strong understanding of Jetpack Compose and Fragments Experience in SDK development; pragmatic approaches to interface design and error handling and recovery. Knowledge of image processing (OpenCV) Knowledge More ❯
a Senior Mobile Developer to lead the development of its cross-platform mobile applications. This is a hands-on, high-impact role working with React Native, Swift (iOS), and Kotlin (Android). You'll drive architecture and development, build native modules, and shape the future of mobile innovation for a business delivering intelligent notification and IoT-triggered systems. What … You'll Be Doing: Leading development of mobile apps using React Native Creating native modules in Swift & Kotlin Integrating apps with REST APIs and backend services Collaborating with UI/UX teams to deliver user-friendly experiences Ensuring performance across a wide range of devices Driving best practices and code quality What We're Looking For: 4+ years’ mobile … development experience Expert-level React Native with strong JavaScript/TypeScript Native development in Swift and Kotlin Strong understanding of mobile architecture, performance, and UI/UX Experience with mobile testing, Git, and CI/CD Bonus Points: App Store/Play Store deployment experience Familiarity with Firebase, Expo, Fastlane, push notifications, or background services This is an onsite More ❯
digital experience tailored to a growing segment of affluent customers with investable assets. This is a great opportunity for someone who’s not only technically strong in Android/Kotlin development but also passionate about leading and growing a team of engineers, driving delivery, and shaping the future of digital banking. About the Role: You’ll lead a cross … collaborate closely with product, architecture, and design teams to bring digital journeys to life. What You’ll Need: Experience in leading Android/mobile engineering teams . Proficiency in Kotlin and Jetpack Compose , with deep architectural knowledge (MVP/MVVM/MVI, SOLID, etc.). A strong background in CI/CD , automated testing , and modern development practices. Experience More ❯
digital experience tailored to a growing segment of affluent customers with investable assets. This is a great opportunity for someone who’s not only technically strong in Android/Kotlin development but also passionate about leading and growing a team of engineers, driving delivery, and shaping the future of digital banking. About the Role: You’ll lead a cross … collaborate closely with product, architecture, and design teams to bring digital journeys to life. What You’ll Need: Experience in leading Android/mobile engineering teams . Proficiency in Kotlin and Jetpack Compose , with deep architectural knowledge (MVP/MVVM/MVI, SOLID, etc.). A strong background in CI/CD , automated testing , and modern development practices. Experience More ❯
digital experience tailored to a growing segment of affluent customers with investable assets. This is a great opportunity for someone who’s not only technically strong in Android/Kotlin development but also passionate about leading and growing a team of engineers, driving delivery, and shaping the future of digital banking. About the Role: You’ll lead a cross … collaborate closely with product, architecture, and design teams to bring digital journeys to life. What You’ll Need: Experience in leading Android/mobile engineering teams . Proficiency in Kotlin and Jetpack Compose , with deep architectural knowledge (MVP/MVVM/MVI, SOLID, etc.). A strong background in CI/CD , automated testing , and modern development practices. Experience More ❯
on AWS, using serverless compute and storage products. Backend services and web applications are written in TypeScript/Node.js. Our native Android and iOS mobile applications are written in Kotlin and Swift respectively. We’re part of the Department for Science, Innovation and Technology (DSIT) and employ more than 1,000 people all over the UK, with hubs in … wellbeing, and providing regular coaching and performance feedback Person specification We’re interested in people who: have strong software development skills in one of the JVM, Node.js/TypeScript, Kotlin, or Swift ecosystems, with a willingness to extend your knowledge across any of them and current knowledge of modern software development practices have experience of leading and improving practices More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Capgemini Invent
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
bar will set the tone for it all. What You’ll Be Doing Act as the technical authority and mentor across embedded QA teams Work with engineers on Android (Kotlin) , iOS (Swift) , Web (TypeScript/Playwright) , and Backend/Platform Champion automation, scalability, and security across multiple product streams Translate high-level goals into scalable QA processes – hands-on More ❯
bar will set the tone for it all. What You’ll Be Doing Act as the technical authority and mentor across embedded QA teams Work with engineers on Android (Kotlin) , iOS (Swift) , Web (TypeScript/Playwright) , and Backend/Platform Champion automation, scalability, and security across multiple product streams Translate high-level goals into scalable QA processes – hands-on More ❯
Bradford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
scratch Work closely with product & design teams Shape architecture and ship new features Build something that genuinely helps people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
Wakefield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Work closely with product and design teams Shape architecture and ship new features Create solutions that genuinely help people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
Warrington, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Work closely with product and design teams Shape architecture and ship new features Build solutions that genuinely help people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
Liverpool, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions in a complex environment and More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions in a complex environment and More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions in a complex environment and More ❯
and feedback. Who you are 5+ years of experience building and scaling distributed systems, ideally serving millions of users. Good knowledge in one or more JVM-based languages (ideally Kotlin with Micronaut). Proven experience in DevOps practices, including running and operating what you build. Experience designing CI/CD pipelines and driving improvements in developer productivity. Comfortable working More ❯
Durham, England, United Kingdom Hybrid / WFH Options
DataAnnotation
be proficient in either Python and/or JavaScript. However, all of the following programming languages are also relevant: TypeScript, C, C#, C++, HTML/CSS, React, Go, Java, Kotlin, SQL, and Swift in order to solve coding problems (think LeetCode, HackerRank, etc). For each coding problem, you must be able to explain how your solution solves the More ❯