Ubique Systems
Java Software Engineer
Ubique SystemsNetherlands2 days ago
ContractEngineering, Information Technology

💼 Senior Developer – Java & Oracle | Amsterdam, NL

📍 Location: Amsterdam (Onsite)

🧩 Experience: 8–10 years

🕓 Contract: 6–12 months (extendable) | Freelance / B2B

💶 Rate: Market competitive

🌐 Languages: Dutch (B2+) & English


🚀 About the Role

We’re looking for an experienced Senior Java & Oracle Developer to join a dynamic Agile/DevOps team in Amsterdam.

You’ll play a key role in modernizing PL/SQL systems into Java microservices, improving performance, and building scalable enterprise-grade applications.


🔧 Key Responsibilities

  • Refactor PL/SQL scripts into Java (Spring Boot) services
  • Develop and integrate REST / SOAP web services
  • Automate testing and perform code reviews
  • Analyze and optimize database performance
  • Create and maintain UML documentation
  • Work with Java 21 and modern DevOps tools


🧰 Tech Stack

💻 Backend: Java 17–21, Spring Boot

🗄️ Database: Oracle SQL, PL/SQL

🔗 Integration: REST, SOAP

🧪 Testing: JUnit, Mockito

⚙️ Methodology: Agile / DevOps


🎯 Your Profile

  • 8+ years of hands-on experience in Java & Oracle SQL/PLSQL
  • Skilled in service integration and refactoring legacy code
  • Strong testing and analytical capabilities
  • Fluent in Dutch (B2+) and English
  • Proactive, detail-oriented, and technically driven


📩 Interested?

Send your CV, availability, and hourly rate to [[email protected]],

or apply directly via LinkedIn

Key Skills

Ranked by relevance