Senior Full Stack Kotlin Developer

Salary: £30,000 - 60,000 per year

Requirements:

• Solid, current experience developing in Kotlin and the JVM ecosystem
• Strong Java development background
• Extensive experience across the full software development lifecycle
• Strong experience with Spring Boot and the wider Spring Framework
• Experience designing and developing microservices and RESTful APIs
• Experience delivering robust, scalable and high-quality digital solutions
• Strong understanding of public cloud platforms, ideally AWS, Azure and/or GCP
• Experience with Docker and Kubernetes
• Experience with Infrastructure as Code, particularly Terraform
• Strong understanding of CI/CD and DevOps practices, using tools such as Jenkins or Azure DevOps
• Excellent communication and collaboration skills
• Experience with frontend or full-stack technologies such as Node.js, TypeScript, Express.js, or Nunjucks
• A consulting background would be advantageous, particularly if you have experience working directly with clients
• Experience mentoring or coaching other developers would be highly desirable

Responsibilities:

• Lead the development of user-centred, production-ready software
• Design and build robust, scalable backend services using Kotlin, Java and Spring Boot
• Develop and integrate RESTful APIs and microservices
• Work collaboratively with multidisciplinary teams to solve complex client problems
• Take ownership of development and deployment pipelines
• Work across cloud environments and modern DevOps practices
• Communicate technical solutions, prototypes and progress to technical and non-technical stakeholders
• Help identify and resolve technical issues and delivery bottlenecks
• Mentor and coach other engineers, helping to raise engineering standards across the team

Technologies:

• AWS
• Azure
• Backend
• CI/CD
• Cloud
• DevOps
• Docker
• Frontend
• GCP
• Support
• JVM
• Java
• Jenkins
• Kotlin
• Kubernetes
• Spring
• Spring Boot
• Terraform
• TypeScript
• microservices
• NodeJS
• ExpressJS
• Security
• Fullstack

More:

We are a growing digital consultancy working with public and private sector clients to design and deliver secure, scalable and user-centred digital services. This is a senior full stack Kotlin developer role with hybrid working, based in one of our locations in Leeds, Manchester, Bristol, London, Birmingham or Glasgow. You will work as part of multidisciplinary teams alongside engineers, architects, designers, product managers, analysts and delivery professionals, and will help lead by example, champion technical excellence and support the development of more junior engineers. The salary is 57,500 to 72,000 GBP.

last updated 36 week of 2026