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Outpost24 Group Logo Outpost24 Group · IT - Software Development

Java Developer Intern

Vietnam, Hanoi · Job Posted May 29, 2026
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Job Description

We are looking for a Java Developer Intern to join our team in Hanoi, Vietnam. You will work on real projects developing RESTful APIs and microservices and gain experience with containerized applications and message queue systems.

Job Responsibility

  • Develop and maintain RESTful APIs with Java
  • Implement microservice architecture
  • Write clean, secure, and scalable code
  • Collaborate with the engineering team
  • Learn containerization and stream processing technologies

Requirements

  • Familiar with Java programming language
  • Familiar with using AI tools at work (ChatGPT, Windsurf or others)
  • Good foundation in relational databases, OOP and DSA
  • Good English communication skills
  • Familiar in using Git for version control
  • Ability to work independently
  • Knowledge of writing unit tests
  • Familiar with Java framework – Spring/Spring Boot
  • Knowledge of Python programming language
  • Understanding of RESTful API design principles
  • Familiarity with containerization technologies
  • Basic understanding of cybersecurity concepts

What we offer

  • Receive guidance and mentorship from experienced software engineers
  • Access to AI tools and strong support through AI-driven workflows
  • Gain hands-on experience with microservice architecture and RESTful APIs
  • Develop skills in scaling and managing containerized applications
  • Learn stream processing concepts using message queues
  • Build a strong foundation for your career in software development
  • A flat organizational structure and lots of autonomy
  • An organizational culture founded on trust, respect, adaptability, and commitment
  • The opportunity to be part of a fast-growing and fun European cybersecurity company
  • A healthy work-life balance, so you can enjoy flexible work hours and a hybrid working environment if desired
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