> Markdown version of [/jobs/ext/2259366-java-kotlin-developer](https://www.wearedevelopers.com/jobs/ext/2259366-java-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). --- # Java Kotlin Developer - **Company:** TESTQ Technologies - **Location:** Sheffield, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Confluence, Automation of Tests, Microsoft Azure, Cloud Computing, Continuous Integration, Scripting, Backend, Kotlin, Front End Software Development, Microservices - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815189624-java-kotlin-developer ## About the Role * Experience in Java with willingness to learn Kotlin * Lots of experience of working with microservices * Strong technical and analytical troubleshooting skills * Experience in working with Agile including the use of Jira Confluence * Good interpersonal skills * Strong English skills written and spoken ## Description Responsibilities * Collaborate with developers testers and the wider organisation to build and run products * Design develop implement backend features as per backlog priority with a small element of frontend development * All apps use a simple UI framework so not strictly frontend development * Collaborate with the rest of the engineering team to design and launch new features * Proactively work with customers to resolve their issues and respond to feature requests * Build APIs and microservices * Work in an agile CICD environment to deliver rapid iterations at a sustained velocity * Be an active member of a team participating in peer reviews and in testing others code through automated test scripting Skills * Experience in Java with willingness to learn Kotlin * Lots of experience of working with microservices * Strong technical and analytical troubleshooting skills * Experience in working with Agile including the use of Jira Confluence * Good interpersonal skills * Strong English skills written and spoken Optional Nice to Have Good working knowledge of cloud technologies like AWS Azure and GCP ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [JavaScript? No. Java Scripts! - Scripting with Java](https://www.wearedevelopers.com/videos/2094-javascript-no-java-scripts-scripting-with-java) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) - [Moving from Java to Kotlin](https://www.wearedevelopers.com/videos/384-moving-from-java-to-kotlin) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)