> Markdown version of [/jobs/ext/4046269-lead-full-stack-kotlin-developer](https://www.wearedevelopers.com/jobs/ext/4046269-lead-full-stack-kotlin-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Full Stack Kotlin Developer - **Company:** Hippo Digital - **Location:** Leeds, United Kingdom - **Experience:** Expert - **Salary:** £96,000 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, Amazon Web Services, Microsoft Azure, DevOps, Java Virtual Machine (JVM), Spring Framework, Message Oriented Middleware, Software Engineering, TypeScript, Spring-mvc, ReactJS, Delivery Pipeline, Spring-boot, Cloudformation, Kotlin, AngularJS, Kubernetes, Infrastructure Automation Frameworks, Apache Kafka, Reactive Programming, Front End Software Development, Asynchronous Programming, Functional Programming, Restful APIs, Terraform, Docker, Jenkins, Microservices - **Published:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9558d3ff36cfa1e0 ## About the Role * Extensive experience in Kotlin and the full development lifecycle delivering user-centred digital solutions (with a strong foundation in Java/JVM ecosystem). * Proven track record of leading a delivery team to deliver high-quality, robust, and scalable solutions. * Expertise in building back-end services using Kotlin with Spring Boot and the wider Spring Framework (Spring MVC, Spring Security, REST APIs), leveraging Kotlin idioms and coroutines where applicable. * Experience in Microservices design and architecture, including RESTful API services and Kotlin-based microservice patterns. * Expertise in public cloud (AWS, Azure, or GCP) and DevOps practices, including containerisation (Docker, Kubernetes). * In-depth knowledge of Infrastructure as Code tools such as CloudFormation or Terraform. * Proficient in using CI/CD tools such as Jenkins or Azure DevOps. * Experience with front-end technologies (e.g., Angular, React, and TypeScript). Desirable Experience * Previous experience working on GOV/NHS projects or in a consultancy environment. * Experience migrating legacy Java codebases to idiomatic Kotlin. * Experience with asynchronous messaging systems (e.g., Kafka) and Kotlin Coroutines/Flow for reactive programming. * Familiarity with Kotlin-native frameworks (e.g., Ktor) or functional programming libraries (e.g., Arrow). ## Description As a Lead Full Stack Kotlin Developer, you will play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident in our abilities, authentic in our approach, and passionate about what we do. You will act as a Lead Consultant to deliver Kotlin Development services to our clients. Lead Full Stack Kotlin Developers are experts in their field, providing strategic technical guidance and hands-on leadership within squads and the wider Hippo engineering community. Our solutions empower our customers to build and support secure, scalable, and well-engineered systems beyond traditional boundaries that allow our customers to understand and get the most from their data and digital services. The Lead Full Stack Kotlin Developer will be a key player and implementer in this. Your Role in a Nutshell * Act as a technical SME within the squad to produce and ensure user-centred software is developed based on business requirements and following best practice. * Work collaboratively with colleagues and stakeholders to explore, design, and deliver solutions to complex client problems. * Continuously review and prioritise the delivery team's workload. * Design and manage software development and deployment pipelines, resolving issues and potential bottlenecks. * Communicate and present prototypes, solutions, and progress to internal and external stakeholders in a clear, concise manner. * Lead the recruitment and on-boarding of other engineers and support their professional development through mentoring and coaching.