For 21+ years, 4PSA has engineered technology that enables over 15,000 partners to deliver cloud services - automation, enterprise PBX, voice, video, chat, and mobility to SMBs and organizations from all over the world.

Students are part of the team and they’re encouraged to write code from day one in the CoolSummerInternship. The most talented interns are invited to join the team at the end of the internship and have a flexible work schedule to continue their education as well.

Check out our website https://www.hubgets.com/, Instagram and Facebook, if you want to know us better.

Internship Linux C/C++/Rust Software Engineer
Paid internship at 4PSA · Starts after academic term
  • – Artificial Intelligence
  • – Cloud computing
  • – Embedded & Internet of Things
  • room București
Required skills:

reverse engineering linux debugging algorithms data structures c++ c open source kernel

Do you have a calling for C/C++/Rust and feel like you could use some hands-on experience? If so, we have the perfect spot for you on our Core team.

As a Linux C/C++/Rust Software Engineer Intern, you'll learn about real-time communication systems and Cloud architecture. Exciting projects are in store for you as you'll be directly involved in designing and prototyping new functionalities. You'll also be dealing with components tightly connected to the operating system, like our real-time servers for telephony or our HubRing database ❤️‍ Get ready to experience great things, since all our components are designed for massive scalability and their performance is vital.

When the Cool Internship is over, you may be one of the interns invited to join our team. If you are still a student, we'll customize your work schedule based on your timetable and help you with your graduation project.

This is an exciting opportunity to gain valuable work experience and have fun, so grab it! Plenty of perks await 😊

What You Will Have to Do

  • Learn about real-time communication systems, Cloud architecture, scalability
  • Design and prototype new functionality
  • Add new functionality to existing stack, including Open Source projects such as Nginx, Kamailio, Asterisk
  • Debug functionality and performance problems
  • Write automated tests
  • Contribute to the building process, automation, and publishing tools.

What You Must Know

  • Computer Science (or related technical field) student or fresh graduate
  • Very good understanding of Linux OS
  • Very good knowledge about Linux system level programming
  • Very good C/C++/Rust programming skills
  • Passion for reverse engineering and debugging
  • Knowledge of data structures and algorithms
  • Attachment to Open Source culture and its tools.


  • Over 20 benefits, from VIP medical insurance to shares and support programs
  • Major technical challenges in real-time communications, high performance service delivery, data analytics
  • Free meals and healthy snacks 😉
  • Easy access to our office. We even have a Hugmobil to make your commute as short as possible

The recruiting process is tough (not long). You will take challenging tests while meeting your future colleagues. We guarantee full confidentiality of all applications.