Full-Stack Software Developer (Java / React) (EN-IM-CAP-2026-245-GRAE)

Reposted 2 Days Ago
Be an Early Applicant
Geneva, Genève, CHE
In-Office
63K-70K Annually
Junior
3D Printing • Information Technology • Industrial • Manufacturing
The Role
Develop and maintain full-stack applications using Java, React, Spring Boot, Oracle, and BPMN to support CERN engineering and access-management processes. Collaborate with engineers and IT specialists to gather requirements, implement solutions, test and debug software, optimize performance, and participate in Agile development. The role requires strong collaboration in an international environment, English proficiency, willingness to learn French and CERN-specific processes, and adherence to graduate eligibility requirements.
Summary Generated by Built In
Job Description

CERN's Engineering Information Management group is looking for a Full-Stack Developer to join our dynamic development team. This role involves designing, developing, and maintaining software solutions that support engineering and information management processes.

Our applications play a critical role at CERN, enabling domain experts to evaluate intervention risks and grant access to our facilities. Approximately 600 such activities are declared every week, granting daily access to thousands of people who rely on our work for their safety.

The applications are built on a modern stack, including React, Java Spring Boot, Oracle, and BPMN. We are a small, focused team working with Agile processes that prioritise quality team communication and strong engagement with our users.

If you're passionate about software development and eager to work in a world-class research environment, we'd love to hear from you!

Your responsibilities:

  • Develop and maintain applications using Java, React, and Oracle technologies.
  • Collaborate with engineers and IT specialists to gather requirements and implement solutions.
  • Ensure software quality through testing, debugging, and performance optimisation.
  • Participate in Agile development practices within a fast-paced team.

Your profile:

  • Experience developing Web Applications using modern front-end technologies (React, Angular, Vue JS) and Java back-end.

Skills:

  • Familiarity with Java, React, and Oracle databases.
  • Strong problem-solving skills and a proactive approach to learning.
  • Ability to work in a collaborative, international environment.
  • Desire to learn processes specific to CERN (Safety, Access, ...).
  • Experience with Business Process Model and Notation (BPMN) is a plus.
  • Spoken and written English, with a commitment to learn French.

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 Computer Science, Electrical Engineering (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.

Additional Information

Job closing date: 08.11.2026 at 23:59 CET.

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

Working hours: 40 hours per week

Job flexibility: Fully Onsite

Target start date: 01-January-2027

Job reference: EN-IM-CAP-2026-245-GRAE

Field of work: Information Technologies

Benchmark job: 200020 - Computing Engineer

Global Benefits

  • A monthly net stipend of either 5266 or 5793 Swiss Francs per month depending on your degree.
  • 30 days of paid leave per year plus 2 weeks annual closure.
  • Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
  • Family, child and infant monthly allowances depending on your individual circumstances.
  • A relocation package (installation grant and travel expenses) depending on your individual circumstances.
  • Possibility to extend your contract up to 36 months.
  • On-the-job and formal training including language classes.

Overview of CERN - Discover a world where the impossible is made possible!

At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!

More information about us, here: careers.cern

Skills Required

  • Maximum of two years of professional experience since graduation by the application deadline
  • Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field
  • Nationality of a CERN Member or Associate Member State
  • No previous CERN fellow or graduate contract
  • Experience developing web applications with modern front-end technologies such as React, Angular, or Vue.js
  • Experience with Java back-end development
  • Familiarity with Java, React, and Oracle databases
  • Spoken and written English
  • Commitment to learn French
  • Ability to work collaboratively in an international environment
  • Business Process Model and Notation experience
  • Applicants must not hold a PhD
  • Applicants without a university degree are not eligible

CERN Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CERN and has not been reviewed or approved by CERN.

  • Healthcare Strength — Health insurance is comprehensive, covering medical consultations, hospitalisation, surgery, accident care, maternity, and certain disability or dependency risks for eligible personnel and families. Coverage is provided through CERN’s dedicated health-insurance scheme.
  • Retirement Support — A defined-benefit pension delivers retirement, disability, and survivors’ benefits based on remuneration and years of service. This structure offers predictable long‑term security for eligible staff.
  • Leave & Time Off Breadth — Paid leave totals about six weeks per year and is supplemented by a two‑week year‑end closure. Family‑related leave and flexible scheduling are also available where eligibility criteria are met.

CERN Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Geneva
2,704 Employees
Year Founded: 1954

What We Do

CERN is an international laboratory for particle physics research, providing unique particle accelerator facilities to uncover what the universe is made of and how it works.

Similar Jobs

Pfizer Logo Pfizer

Platform Engineer

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
Remote or Hybrid
33 Locations
121990 Employees

Pfizer Logo Pfizer

Medical Channel Strategy and Engagement Lead

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
In-Office or Remote
34 Locations
121990 Employees
231K-385K Annually
Hybrid
2 Locations
289097 Employees

Capco Logo Capco

Data Engineer

Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
Hybrid
Geneva, Genève, CHE
6000 Employees

Similar Companies Hiring

Amalgamated Sugar Thumbnail
Food • Greentech • Agriculture • Industrial • Manufacturing
Boise, Idaho
768 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees
Ford Energy Thumbnail
Automotive • Software • Energy • Utilities • Manufacturing • Renewable Energy
Glendale, Kentucky
55 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account