Senior Java Software Engineer

Koda Tech; København; On-site; DKK 700,000 - 900,000; Full time

Job summary

Koda Tech in Copenhagen is seeking a Senior Java Developer to help modernise our backend systems and own key features in a fast-paced engineering team.

You will work with Java, Spring Boot, and REST APIs within a microservices environment, taking architectural ownership and delivering scalable services. Fluent Danish and professional English are required to collaborate across teams.

Qualifications

• 5+ years of professional Java development experience.
• Experience designing and developing REST APIs.
• Good understanding of microservices and distributed systems.
• Experience with SQL and relational databases.
• Exposure to Docker, Kubernetes and cloud environments.
• Comfortable working with CI/CD and automated testing.
• Fluent Danish and professional English.

Responsibilities

• You will have real ownership over backend development, contributing to technical decisions, architecture and new functionality.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Docker

Kubernetes

Cloud

CI/CD

Testing

Danish

English

Job description

We’re looking for a Senior Java Developer to join a Copenhagen-based engineering team building and modernising business-critical backend systems.

You’ll work primarily with Java and Spring Boot, designing scalable services and APIs within a modern microservices environment.

What we’re looking for:

• 5+ years of professional Java development experience
• Experience designing and developing REST APIs
• Good understanding of microservices and distributed systems
• Experience with SQL and relational databases
• Exposure to Docker, Kubernetes and cloud environments
• Comfortable working with CI/CD and automated testing
• Fluent Danish and professional English

The role:

You’ll have real ownership over backend development, contributing to technical decisions, architecture and new functionality rather than simply maintaining existing systems.