Freelance klantspecifiek CRAFTCODE

We are looking for a Java Developer with strong knowledge of Java 21, Spring Boot, and API development. The candidate feels at home in an Agile environment and has experience with CI/CD, GitHub, and test automation. Given the strategic cloud direction, knowledge of Azure, Terraform, and cloud-native architecture is a significant asset. The developer can perform technical analyses, design integrations, and contribute to scalable solutions within a modern Azure landscape.

Must-haves
Artificial Intelligence

· Experience with AI coding assistants, such as Claude Code, Codex, or GitHub Copilot, or orchestration of AI Agents.

· Up-to-date with the latest trends and technologies around AI.

· Understanding of risks related to privacy, intellectual property, and sharing sensitive business code with AI tools.

Java Development

· Java 21+ development

· Strong object-oriented analysis and design

· Spring Boot / Spring Framework

· REST API development

· Unit testing (JUnit, Mockito)

· Code reviews and clean code principles

· SQL and relational databases

Cloud & Azure

· Good knowledge of cloud platforms (Azure, AWS, OCI…)

· Experience with cloud-native services

· Cost-conscious cloud management (FinOps)

DevOps & Automation

· Git / GitHub

· GitHub Actions

· SonarQube

· Infrastructure as Code (Terraform)

· Deployment automation

· DevSecOps principles

Integration & APIs

· REST APIs

· Event-driven architecture

· Messaging patterns

· Service integrations

· API design and versioning

· OAuth/OpenID Connect

Engineering Practices

· Agile/Scrum experience

· Technical analysis

· UML and solution design

· Troubleshooting and debugging

· Performance optimization

· Security by Design

Nice-to-haves
Azure Advanced

· Azure Kubernetes Service (AKS)

· Containerization (Docker)

· Azure Service Bus

· Azure API Management

· Enterprise ID (Azure AD)

Architecture

· Microservices

· Domain Driven Design (DDD)

· Event-driven architecture

· Integration patterns

Argenta-specific advantages

· Experience with iPaaS (Boomi)

· ActiveMQ or other messaging platforms

· Experience in the financial sector

· Knowledge of security, audit, and compliance requirements