Senior java developer (Brussels area) 18-06-2026

ENTICO ICT; Brussel Hoofdstad; On-site; EUR 60,000 - 80,000; Full time

Job summary

ENTICO ICT is urgently seeking a Senior Java Developer for the Brussels area. The role involves participating in the design, development, and testing of PKI footprint logic that supports both traditional and post-quantum-ready cryptography.

The ideal candidate will possess strong PKI and cryptography knowledge along with experience in Java. Both freelance and permanent employment options are available, requiring residency in Belgium.

Qualifications

• Strong knowledge in PKI/cryptography.
• Proficiency in Java development.
• Familiarity with C++ and Spring frameworks.

Responsibilities

• Participate in the design, development, and testing of PKI footprint logic.
• Support traditional and post-quantum-ready cryptography.

Skills

Strong PKI/cryptography knowledge

Strong Java experience

C++ experience

Java Cryptography Architecture

Spring knowledge

gRPC

Knowledge about Public Cloud

PKCS#11

Containerization/HELM charts knowledge

Job description

We are urgently looking for a Senior Java developer for Brussels area.

Responsibilities

Participate to the design/development/testing of a PKI footprint logic supporting traditional and post‑quantum‑ready cryptography using various crypto backend logic (Disk, HSM, ...).

Qualifications

• Strong PKI/cryptography knowledge
• Strong Java experience
• C++ experience
• Java Cryptography Architecture
• Spring knowledge
• gRPC
• Knowledge about Public Cloud
• PKCS#11
• Containerization/HELM charts knowledge

Applicants must reside in Belgium.

Offer

Freelance or permanent employment (both options are possible).