Senior Backend Java Developer – Digital Health

Permanent position at Twoday | Consultant role with a public sector client

Permanent position at Twoday | Copenhagen

Join Twoday as a Java Developer

Do you want to help build and maintain business‑critical digital solutions that support millions of citizens across Denmark?

We’re looking for an experienced Java Developer to join Twoday as a permanent consultant, working full‑time with one of Denmark’s largest public sector organisations. You’ll become part of a highly skilled development team delivering secure, scalable and modern software solutions in a complex technical environment.

What You’ll Be Doing

Developing and maintaining enterprise Java applications

Building REST APIs and backend services using Java and Spring

Developing and maintaining containerised applications with Docker

Working with Linux‑based environments and modern Open Source technologies

Contributing to CI/CD pipelines using Azure DevOps

Supporting the transition towards cloud‑native architectures and Kubernetes

Using AI‑assisted development tools to improve software development, testing and documentation

Collaborating with architects, developers and specialists across multiple suppliers in a large‑scale delivery organisation

We’re looking for someone with

Strong professional experience with Java development

Experience with Spring Framework and REST services

Experience with Docker and Linux

Experience with Azure DevOps, Git and CI/CD

Experience with Gradle or similar build tools

Experience working with modern Open Source technologies

An interest in software quality, automation and continuous improvement

Experience developing or maintaining national healthcare solutions, healthcare integration platforms or other complex public sector systems is highly valued.

Experience working in a multi‑supplier delivery organisation is considered an advantage.

Experience using AI‑assisted development tools such as GitHub Copilot, ChatGPT or Cursor is an advantage.

Fluent Danish, both written and spoken, is a mandatory requirement.

Full‑time onsite work on Amager is a mandatory requirement.

Who You Are

You enjoy solving complex technical challenges

You take pride in writing maintainable, high‑quality code

You enjoy working closely with experienced colleagues

You are curious, collaborative and always looking for better ways of working

What we offer

As a permanent consultant, you’ll work on long‑term, business‑critical public sector projects while remaining part of Twoday’s professional engineering community. After each engagement, you’ll have the opportunity to continue your career on new and exciting customer projects.

Diversity & inclusion

Do you not meet all the requirements? Studies show that women and minorities are less likely to apply for a job if they don’t meet every qualification. At Twoday, we are committed to building a workplace and community where everyone is welcome. If you are excited about this role but your previous experience doesn’t perfectly align with the job description, we still encourage you to apply.

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