Frontend Developer (Svelte & Python)

Leonardo Belgium provides advanced cybersecurity and IT expertise to European institutions, supporting the protection and resilience of critical digital infrastructures.

We are currently seeking a SvelteKit Frontend Developer to support CERT-EU in maintaining and enhancing its DFIR-IRIS platform, a central tool for cybersecurity incident response across EU institutions.

In this role, you will contribute to the development of an open-source incident response frontend, ensuring full functionality and modern design, while supporting testing, documentation, and collaboration with a multidisciplinary cybersecurity team.

Job Specifications

• Location: Brussels

• Work schedule: On-site (with potential for partial remote work)

• Contract type: Freelance preferred (or willing to create a VAT)

• Urgent Need : Early applications are encouraged

• CV format : Preferably Europass

• Security: Eligibility for EU-PSC (Personal Security Clearance) required

As a SvelteKit Frontend Developer, you will join the DFIR team within CERT-EU, responsible for investigating and responding to cybersecurity incidents. Your work will focus on developing and enhancing the DFIR-IRIS frontend, ensuring alignment with the latest design and full feature coverage.

Your responsibilities will include:

• Continuing the development of the DFIR-IRIS frontend using SvelteKit 5

• Implementing a comprehensive set of unit tests to ensure application reliability

• Contributing to documentation updates as necessary to reflect frontend/backend changes

• Participating in open-source collaboration on GitHub, including pull requests and code reviews

• Working closely with cybersecurity and IT teams to meet project requirements

• Following professional standards for coding, testing, and documentation

• Education: At least a 2-years post-secondary education Degree, preferably in a relevant area

• Experience : 6+ years of ICT experience, at least 3 years in a similar role

• Strong experience with SvelteKit 5 and modern frontend development

• Proficiency in Python development

• Experience with testing frameworks, writing unit and integration tests

• Experience contributing to open-source projects on GitHub

• Excellent communication skills in English (oral and written)

• High customer orientation and collaborative mindset

Nice to have

• Experience in cybersecurity projects

• Previous work within European institutions or large international organizations

What do we have to offer?

• The opportunity to contribute to critical cybersecurity operations across European Union institutions

• A hands-on technical role within a highly skilled, mission-driven team

• Exposure to open-source development and modern frontend technologies

• A multicultural and collaborative environment fostering growth and knowledge exchange

• A competitive daily rate aligned with experience and European framework standards