Junior Python developer

vor 2 Wochen

Genf, Genf, Schweiz The United Nations Office at Geneva (UNOG) Vollzeit

JOB DESCRIPTION

Job Description

Your responsibilities

As a Junior Python Developer, you will join the Accelerator Systems Department (SY). Within this department, the Beam Instrumentation (BI) group provides many instruments used across the CERN accelerator complex.

Whilst most of these instruments have a dedicated GUI, developed and used by Operations, many instruments also have a low-level Expert GUI used by other experts within the group. In the past, these Expert GUIs have been built using various technologies. Recently, efforts have been made to converge our GUI development on 2 sector-supported technologies – PyQt and a zero-code based solution named WRAP. You will contribute to these efforts.

Specifically, you will:

  • Analyse the existing catalogue of Expert GUIs, identifying those which can be migrated to WRAP, and in cases where WRAP is not suitable to PyQt;
  • Liaise with partners in the sector to identify missing or inadequate functionality in the WRAP platform;
  • Make contributions to the section's PyQt tool-kit, focusing on enhancing user-experience, release processes, and adding new generic components;
  • Participate in the migration of the section's PyQt tool-kit from PyQt5 to PyQt6;
  • Overhaul existing applications already in PyQt, focusing on imposing the section's homogenous look and feel;
  • Develop new PyQt applications depending on the group's future needs.


Your profile

Skills and/or knowledge

  • Experience with Python and PyQt;
  • Sound knowledge of GUI design;
  • Fluent in English

Eligibility criteria:

  • You are a national of a CERN Member or Associate Member State.
  • You have a maximum of two years of professional experience since graduation in Computer Science (or a related field) by the application deadline.
  • 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.


Additional Information

Job closing date: at 23:59h (midnight) CET.

Job reference: SY-BI-SW GRAE



Contract duration: 24 months, with a possible extension up to 36 months maximum.

Target start date: 01-May-2024

What we offer

  • A monthly stipend ranging between 5119 and 5631 Swiss Francs (net of tax).
  • Coverage by CERN's comprehensive health scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
  • Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
  • 30 days of paid leave per year.
  • On-the-job and formal training at CERN as well as in-house language courses for English and/or French.

About us

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter – fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Find out more on

Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success.





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