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.
As a Java Developer Intern, your key responsibilities will include:
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
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 you will gain:
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 developmen
In return for your efforts, we also can offer you:
A flat organizational structure and lots of autonomy; you are not just a number. You will join an organization that offers a steep learning curve, where your contributions will have a tangible impact
An organizational culture founded on trust, respect, adaptability, and commitment, where your personal and professional development will be emphasized
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
We prioritize the well-being and development of our employees.
And so much more
Sounds like you? Then apply today!
Don’t fulfil all the criteria? At Outpost24, we're dedicated to building a diverse and inclusive workplace, where attitude, values, and willingness to learn are valued above all. So, if you're excited about this role but your professional experiences don't completely align with what we're looking for, we encourage you to apply anyway.

Outpost24 offers industry-leading Attack Surface Management solutions that keep security teams one step ahead of emerging threats. We help thousands of organizations around the world to identify, protect, and monitor digital risks before they can be exploited. Outpost24 was founded in 2001 and is headquartered in Sweden, with offices in the US, UK, France, Belgium, the Netherlands, Spain, and Vietnam.
To learn more about our products and services go to https://outpost24.com/
If you want to work for Outpost24 visit http://outpost24.com/careers/