Internship - Junior Engineer for development of nuSIM

Location: France (Aix-en-Provence)


Founded in 2010, Oasis Smart SIM is a France and Singapore-based company that facilitates the adoption of eSIM by telecom operators, service providers and OEMs. Oasis designs, develops and operates a range of GSMA-certified eSIM innovative infrastructures, platforms and services.
Established by SIM industry pioneers with a vision to connect any SIM-enabled assets anywhere, anytime, Oasis Smart SIM aims to drive global eSIM adoption by orchestrating and simplifying the digitization of SIM.

Oasis Smart SIM is member of GSMA and TCA, ranked in 2022 as one of the top 6 world certified eSIM technology providers and is part of Tata Communications Group, a digital ecosystem enabler powering today’s fast-growing digital economy.

At Oasis, we believe that what we do is as important as how we do it. Our values - agility, expertise, and innovation – associated to our CSR ambitions, guide how Oasis Team serve our customers, with their satisfaction as main goal.

If you are ready for new challenges in your career, we are looking all over the world for passionate and dynamic team players to join us.


 The intern will be part of our Embedded R&D department based in Aix-en-Provence. He will work on the development of a nuSIM, a very small SIM OS. This project will rely on current Oasis low-level software libraries and shall be seen as an application.

nuSIM is a standard which has been developed by Deutche Telekom and a set of technology partners. The nuSIM is for cost-sensitive IoT applications and the Narrow-Band IoT networks. Its main deployment area is smart city (smart parking, networked streetlamps and garbage cans, or environmental sensors in buildings and cities).

The intern will be working closely with Oasis technical teams (development, architecture, technical support). The intern should be open to suggestions and should be willing to learn new things.



  • Architecture, Development, Integration,
  • Must be able to approach/understand complex software and/or problems/bugs
  • Good team player willing to learn fast and adapt to the demanding situations


  • Languages: ASM, C, Python
  • Compiler : Keil, GCC
  • Source Management and Continuous Integration: GIT (GITLab)
  • Must be willing to learn and grow with the company
  • Must work well as a part of a team
  • Must demonstrate problem-solving capabilities, proactive,
  • English: full professional skills as the engineer will work in an international environment


  • Education: Degree or Diploma in Embedded Software
  • Experience: Minimum experience with software development in ARM, C, GCC Compiler and


  •  A state-of-the art technological environment, within a highly international working environment that allows you to work with clients and partners from around the globe.
  • Public benefits related to food (Ticket Restaurant)

Get the latest news about Oasis features and product updates

TATA COMMUNICATIONS and TATA are trademarks of Tata Sons Private Limited