Lead Software Architect

Lead Java Architect – Greenfield Project Networking & Security Brussels (Hybrid)

About the Company:

Our client, a leading innovator in the networking and security space, is embarking on a greenfield project that will shape the next generation of secure communication solutions. They are building a new technical foundation from the ground up and are seeking a Lead Java Architect to take ownership of both the technical vision and team leadership.

The Role:

As the Lead Java Architect, you'll play a key role in designing and delivering the architecture for this new platform. You'll be both hands-on and strategic – spending roughly 50% of your time leading and mentoring a small team of at least two other architects, and 50% contributing technically to complex backend design and development decisions.

You'll collaborate closely with cross-functional teams, ensuring architectural best practices, scalability, and performance across the system. This is an opportunity to have a true impact on a product's foundation and to influence long-term technology choices.

Key Responsibilities:

Lead the architecture design and technical roadmap for a new greenfield system in the networking/security domain.

Manage and mentor a team of 2+ architects, ensuring alignment with company and project goals.

Drive best practices in software architecture, scalability, and performance.

Stay hands-on with code reviews, architectural prototyping, and technical problem-solving (~50% of time).

Collaborate with stakeholders to translate business needs into technical solutions.

Ensure consistent documentation, design patterns, and quality standards are followed.

Technical Environment:

JVM Stack (Java) – strong experience required.

Messaging systems: Kafka, RabbitMQ, or Artemis (experience with at least one required).

Databases: Non-SQL (MariaDB, Oracle, CouchDB, etc.).

ElasticSearch (nice to have).

Experience in distributed systems, scalability, and performance optimization is a plus.

Profile:

Proven background as a Senior/Lead Java Architect in large-scale or high-security environments.

Strong leadership and communication skills – able to coordinate, motivate, and guide technical peers.

Comfortable working in both hands-on technical and strategic leadership capacities.

Fluent in English; French or Dutch is a plus.

Offer:

Competitive salary up to €7,000/month (gross) depending on experience.

Opportunity to lead a greenfield build within an innovative environment.

Collaborative, international culture with autonomy and ownership.

Hybrid work setup near Brussels.

Please apply directly and feel free to contact me on the below details for more information:

+32 33 18 54 72