Senior Java Software Engineer

Koda Tech; Region Hovedstaden; On-site; DKK 900,000 - 1,200,000; Full time

Job summary

Koda Tech in Copenhagen is seeking a Senior Java Developer to join our engineering team building and modernising critical backend systems.

You’ll work with Java, Spring Boot and microservices, designing scalable services and APIs with REST, SQL, and cloud readiness. Danish and English fluency is required to collaborate across teams.

You will own backend development, contribute to architecture decisions, and help steer technical direction and implementation choices.

Qualifications

• 5+ years of professional Java development experience.
• Strong Spring Boot experience.
• Experience designing and developing REST APIs.
• Knowledge of microservices and distributed systems.
• Fluent Danish and professional English.

Responsibilities

• Own backend development and contribute to architecture decisions.
• Design scalable services and APIs within a microservices environment.
• Collaborate with the engineering team on technical direction and best practices.

Skills

Java development

Spring Boot

REST APIs

Microservices

SQL

CI/CD & testing

Danish & English

Tools

Docker

Kubernetes

Job description

Location: Copenhagen, Denmark

Language: Danish & English

Seniority: Senior

Focus: Java / Spring Boot / Microservices

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
• Strong Spring Boot 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.

Tech: Java, Spring Boot, REST, Microservices, SQL, Docker, Kubernetes, CI/CD

Industries:

Fintech, Consultancy and Health care