Software Engineer for Geodetic Metrology Applications (BE-GM-APC-2025-252-GRAE)

You will contribute to the maintenance and evolution of the existing software infrastructure, with a focus on enhancing C++, Qt, and Python modules that are essential to the daily operations of CERN's Surveying teams.

Your responsibilities

• Investigate and resolve software issues reported by users, provide timely feedback, and coordinate development activities with the supervisor in accordance with current priorities;
• Refactor and update legacy systems to address the challenges of new projects, improving scalability, performance, and robustness while ensuring compatibility with existing workflows;
• Develop and deploy Python-based calculation and data visualisation scripts on the existing user platform;
• Design, develop, and optimise libraries and APIs for seamless integration across different computing platforms within CERN's IT and control systems infrastructure;
• Contribute to the consolidation of the AGILE-based development workflow through the use of industry-standard tools such as Jira and Git;
• Strengthen the continuous integration and deployment (CI/CD) pipelines implemented in GitLab.

More information here.

Your profile

• Experience in C++, Python - and possibly Qt- for developing and maintaining complex software modules.
• Ability to refactor and modernize legacy code, with attention to performance, scalability, and maintainability.
• Interested in debugging and troubleshooting software issues in live environments.
• Proactive in providing user support, gathering feedback, and addressing issues in a timely and structured manner.
• Comfortable working in an AGILE-based development process, using tools like Jira for task tracking and Git for version control.

Skills:

Programming Languages:

• Experience with C++ and Python.
• Basic proficiency in HTML and JavaScript for web-related tasks or integrations.

Libraries & Frameworks:

• Familiarity with the Qt framework (highly beneficial, especially for GUI development) is a plus.
• Familiarity with common Python data science and visualisation libraries.

Development Practices:

• Solid understanding of version control systems, especially Git, and experience with CI/CD workflows.
• Ability to write effective unit tests and ensure code quality through testing.

Work Approach:

• Demonstrating autonomy, initiative, and a rigorous approach to problem-solving.
• Capable of managing tasks independently while maintaining high standards.
• Good communication skills, both within a development team and when interacting with end users or stakeholders.
• Collaborative mindset with the ability to adapt in team-based environments.

Language skills:

• Spoken and written English or French, with a commitment to learn the other language.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• By the application deadline, you have a maximum of two years of professional experience since graduation in Master in Information Technology (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
• You have never had a CERN fellow or graduate contract before.
• Applicants without University degree are not eligible.
• Applicants with a PhD are not eligible.