Kotlin/Java Developer

Join a leading independent technology and services provider as a Kotlin/Java Developer.

Job Overview:

The role sits within a Developer Experience (DevX) function focused on building and managing platforms that enable software engineering teams to develop, deploy, and operate applications efficiently and consistently.

You will work on client- and product-facing web applications and internal platforms, contributing to reusable frameworks and tooling that support multiple development teams. The focus is on scalable, secure, and high-performance solutions that improve developer productivity and platform reliability.

Location: Sheffield

Rate: In-scope IR35 £360 per day (via a Hays Approved Umbrella Company).

Contract Length: 31/12/2026

Work Schedule: 3 days onsite/week

Key Responsibilities

• Collaborate with developers, product owners, and stakeholders to design and deliver robust backend services
• Design, develop, and maintain performant and scalable APIs and microservices
• Contribute to architectural discussions and provide input on technology choices and best practices
• Write clean, well-tested, and maintainable code following agreed coding standards
• Build APIs and microservices that support multiple consuming applications
• Work closely with the engineering team to continuously improve development processes
• Participate in peer reviews and contribute to knowledge-sharing initiatives

Required Skills & Experience

• Strong experience in Kotlin or Java with the ability and willingness to work across both where required
• Experience developing REST APIs and working with frameworks such as Spring
• Solid understanding of microservice-based, API-driven architectures
• Experience with AWS or other cloud platforms
• Strong analytical, problem-solving, and troubleshooting skills
• Experience working in Agile environments
• Understanding of DevOps practices and CI/CD pipelines

Optional / Nice to Have

• Experience with test automation
• Familiarity with Jenkins pipelines
• Exposure to event-driven architectures

Additional Information:

Interview Process: In Person / Teams/Telephonic

How to Apply:

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.