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EngiFlex

Software engineer Java, senior (Freelance)

On site

Brussels, Belgium

Senior

Full Time

13-12-2025

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Skills

Python Java MySQL DevOps Docker Architecture Software Architecture Linux Azure AWS Spring Hibernate Redis Spring Boot Maven PostGres

Job Specifications

Tasks and responsibilities

We are looking for a principal software engineer consultant, minimum 15 years of experience and skillset as described below but not limited to:

– degree:master in Computer Science or equivalent

– experience with software architecture, api design, …

– experience with distributed systems (consensus, transactionality, atomic updates, …)

– experience with legacy Java code bases (Spring Boot, Hibernate, Maven, …)

– experience with various database systems (Postgres, MySQL, DB2, Mongo, Redis, …)

– experience with k8s, docker, aws, azure, pipelines, …

– experience with Linux

– experience with Python

– experience with cross functional collaboration (product, devops, qa)

– experience with leading development teams

– experience with performance engineering

– experience with cybersecurity (audits, compliance, …)

Your profile

Roles

IT System Engineer - Level: Expert

Languages

English - Level: Active knowledge
French - Level: Active knowledge
Dutch - Level: Active knowledge

Skills

database systems (Postgres, MySQL, DB2, Mongo, Redis, ...) - Level: Expert
API Design - Level: Expert
cybersecurity (audits, compliance, ...) - Level: Expert
leading development teams - Level: Expert
Software Engineering - Level: Expert
Linux - Level: Expert
performance engineering - Level: Expert
Python - Level: Expert
k8s, docker, aws, azure, pipelines, ... - Level: Expert
cross functional collaboration (product, devops, qa) - Level: Expert
legacy Java code bases (Spring Boot, Hibernate, Maven, ...) - Level: Expert

About the Company

Project sourcing / staffing. We provide the engineering talent to fire up larger projects, as well as project sourcing single consultants for existing teams with particular needs. Our specialists can provide project management, audit support, (IT) business analysis, biotech operations, and more in industries like life sciences and chemical manufacturing. Know more