Senior Java Developer – Brussels (On site) – EUROCONTROL

TheWhiteam; Brussel; Sur place; EUR 87 637 - 91 327; Plein temps

Résumé du poste

A technology solutions company is seeking a Senior Java Developer in Brussels for on-site work. The ideal candidate has at least 14 years of experience and expertise in Java, Maven, and Quarkus. Key responsibilities include designing applications, optimizing databases, and developing microservices. A solid understanding of DevOps and strong communication skills are essential. The role offers a daily rate of 475-495€.

Qualifications

• Proven experience with Java, Maven and Quarkus/Spring in building large-scale applications.
• Strong experience with Git, ideally Bitbucket.
• Strong background in MongoDB and PostgreSQL, with a focus on optimizing data access and ensuring scalability.
• Expertise in Kafka for building event-driven systems and integrating with the ELK stack for monitoring and troubleshooting.
• Deep understanding of performance optimization and profiling techniques for both code and database layers.
• Strong experience with Docker, Kubernetes, Jenkins, SonarQube, and Nexus for DevOps and CI/CD pipelines.
• Ability to implement security best practices, including secure coding, vulnerability management, and compliance.
• Excellent soft skills, effective communication with cross-functional teams.

Responsabilités

• Design and develop high-performance, scalable applications using Java and Quarkus.
• Architect and optimize MongoDB and PostgreSQL schemas for high performance.
• Develop microservices using Kafka for messaging and integrate with the ELK stack.
• Identify and optimize system performance bottlenecks in both code and infrastructure.
• Provide guidance to junior developers and share knowledge.
• Take full ownership of tasks from analysis to implementation and deployment.

Connaissances

Java

Maven

Quarkus

Spring

Git

MongoDB

PostgreSQL

Kafka

Docker

Kubernetes

Jenkins

SonarQube

Nexus

Agile methodologies

Description du poste

Job role: Senior Java Developer.

Location: Brussels (On site).

Languages required: English (C1) (Mandatory).

Minimum experience required: 14 years.

Overview

Senior Java Developer role based in Brussels with on-site work. English required at C1 level (mandatory). Minimum experience: 14 years.

Responsibilities

• Software Development: Design and develop high-performance, scalable applications using Java and Quarkus, ensuring that code is maintainable, efficient, and aligned with best practices.
• Database Optimization: Architect and optimize MongoDB and PostgreSQL schemas, queries, and indexing strategies to achieve high performance and scalability.
• Microservices & Messaging: Develop and scale microservices using Kafka for messaging, integrating with the ELK stack for logging, monitoring, and troubleshooting.
• Performance Engineering: Identify, analyze, and optimize system performance bottlenecks in both code and infrastructure. Ensure optimal performance through rigorous profiling, testing, and fine-tuning.
• DevOps: Expertise with DevOps and CI/CD principles, use pipelines with Jenkins, SonarQube, and Nexus, focusing on security, automation, and deployment efficiency.
• Security: Implement secure coding practices throughout the development lifecycle.
• Mentorship: Provide guidance to junior developers, sharing knowledge and fostering a culture of continuous improvement.
• Stakeholder Interaction: Work closely with product owners, architects, and other stakeholders to understand requirements, provide technical insights, and deliver effective solutions.
• End-to-End Ownership: Take full ownership of tasks from analysis through design to implementation and deployment. Be proactive in driving solutions independently, ensuring high-quality and timely delivery.

Qualifications

• Proven experience with Java, Maven and Quarkus/Spring in building large-scale applications.
• Strong experience with Git, ideally Bitbucket.
• Strong background in MongoDB and PostgreSQL, with a focus on optimizing data access and ensuring scalability.
• Expertise in Kafka for building event-driven systems and integrating with the ELK stack for monitoring and troubleshooting.
• Deep understanding of performance optimization and profiling techniques for both code and database layers.
• Strong experience with Docker, Kubernetes, Jenkins, SonarQube, and Nexus for DevOps and CI/CD pipelines.
• Ability to implement security best practices, including secure coding, vulnerability management, and compliance.
• Excellent soft skills, including the ability to analyze requirements, communicate effectively with cross-functional teams, and take initiative to drive tasks to completion.
• Solid experience in Agile methodologies with a focus on delivering high-quality software in iterative cycles.
• A proactive and independent mindset, with the ability to work with minimal supervision and take full responsibility for end-to-end delivery.
• Exposure to performance profiling tools and security tools (e.g., Snyk, OWASP).

Location

• Brussels (On site).

Language

• English (C1).

Rate

• 475-495€/day.