Junior Software Developer – .NET/C++ for SIM & eSIM Solutions

About the role

We are looking for a motivated Junior Software Developer to join our Operations team in Madrid. The role focuses on developing and maintaining testing and personalization tools for SIM and eSIM manufacturing, working in a global environment at the forefront of trusted connectivity and digital identity solutions.

Key responsibilities

• Develop and maintain software tools used for SIM and eSIM testing in manufacturing environments.
• Create personalization solutions for SIM and eSIM products based on business and customer requirements.
• Gather requirements from Customer Service and SPD Manager to implement new functionalities and enhancements.
• Support and coordinate development activities related to personalization processes within factory settings.
• Collaborate with Technical and R&D teams to qualify and validate SIM and eSIM products.
• Analyse, troubleshoot and resolve issues in software developments and production environments.
• Contribute to continuous improvement of development processes, tools and technical documentation.

Required profile

• Bachelor’s degree in Computer Science, Computer Engineering, Telecommunications Engineering or a related field.
• At least 1 year of experience in software development or programming.
• Professional proficiency in English (minimum B1 level).
• Willingness to travel occasionally (approximately 20 %).

Required skills

• Microsoft .NET technologies – VB.NET and/or C#.
• C++ programming.
• Experience with relational databases such as MySQL, SQL Server or Oracle.