Technical Lead (Java Backend) – Brussels – Hybrid

RMM Consulting Group; Brussel Hoofdstad; Hybride; EUR 110 000 - 140 000; Plein temps

Résumé du poste

RMM Consulting Group in Brussels is seeking a Technical Lead (Java Backend) to guide a multidisciplinary Agile Scrum squad, contributing hands-on to complex backend systems and ensuring scalable, secure, and maintainable software.

You will mentor developers, drive technical decisions, align with enterprise architecture, and collaborate with product owners, architects, and operations to deliver production-ready solutions in a hybrid Brussels setup.

Qualifications

• Bachelor’s or Master’s degree in Computer Science/IT/Engineering or equivalent.

Responsabilités

• Define and communicate the squad’s technical vision and direction.
• Lead technical design discussions and facilitate collective decision-making.
• Ensure alignment with enterprise architecture, security standards, and operational requirements.
• Provide technical guidance and oversight across all squad initiatives.
• Drive technical excellence and engineering best practices.
• Contribute hands-on to the development of complex backend solutions.
• Design, develop, and maintain Java-based applications and integrations.
• Support the implementation of REST APIs and enterprise integration patterns.
• Ensure solutions are scalable, maintainable, and production-ready.
• Establish and promote standards for clean code, code reviews, automated testing, documentation, observability and monitoring, release readiness.
• Identify and manage technical debt.
• Support production incident investigations and implement continuous improvements.
• Mentor and coach team members.
• Promote knowledge sharing and collaborative problem-solving.
• Foster shared ownership of systems and solutions.
• Strengthen the squad’s technical maturity and autonomy.
• Collaborate with Product Owners, Scrum Masters, Architects, Analysts, Testers, Operations teams, and other delivery teams.
• Highlight technical risks, dependencies, and design decisions.
• Advocate for quality, security, maintainability, and operational stability.
• Experience leading technical decisions within Agile delivery teams.
• Experience collaborating with architecture, security, and operations functions.
• Experience managing technical dependencies and delivery risks.
• Experience improving engineering practices in high-pressure delivery environments.
• Experience within controlled enterprise environments.

Connaissances

Spring Framework

Spring Boot

Kafka

SQL

Java

Maven

Jenkins

Git

JUnit

WireMock

Observability

Distributed systems

Mainframe integration

Groovy

IntelliJ IDEA

Resilience engineering

Formation

Bachelor’s or Master’s degree in Computer Science/IT/Engineering

Equivalent professional experience

Technical certifications

Software Architecture certifications

Security certifications

Agile/Scrum certifications

Outils

Maven

Jenkins

Git

Description du poste

Technical Lead (Java Backend) – Brussels – Hybrid

Mission context

The Technical Lead will serve as the squad’s primary technical authority and hands‑on leader within the Instruction & Order Squad. The role combines deep backend engineering expertise with technical leadership, ensuring the squad delivers high-quality solutions while maintaining architectural integrity, security, scalability, and long-term maintainability.

Working within a multidisciplinary Agile Scrum team, the Technical Lead will guide technical decision-making, coach developers, manage technical risks, and contribute directly to software development activities.

Key Responsibilities

Technical Leadership

• Define and communicate the squad’s technical vision and direction.
• Lead technical design discussions and facilitate collective decision-making.
• Ensure alignment with enterprise architecture, security standards, and operational requirements.
• Provide technical guidance and oversight across all squad initiatives.
• Drive technical excellence and engineering best practices.

Software Development

• Contribute hands‑on to the development of complex backend solutions.
• Design, develop, and maintain Java-based applications and integrations.
• Support the implementation of REST APIs and enterprise integration patterns.
• Ensure solutions are scalable, maintainable, and production‑ready.

Quality & Governance

• Establish and promote standards for:
  • Clean code
  • Code reviews
  • Automated testing
  • Documentation
  • Observability and monitoring
  • Release readiness
• Identify and manage technical debt.
• Support production incident investigations and implement continuous improvements.

Team Development

• Mentor and coach team members.
• Promote knowledge sharing and collaborative problem-solving.
• Foster shared ownership of systems and solutions.
• Strengthen the squad’s technical maturity and autonomy.

Agile Delivery

• Support sprint delivery objectives while maintaining long‑term solution quality.
• Collaborate closely with Product Owners, Scrum Masters, Architects, Analysts, Testers, Operations teams, and other delivery teams.
• Highlight technical risks, dependencies, and design decisions.
• Advocate for quality, security, maintainability, and operational stability.

Required Qualifications

Education

• Bachelor’s or Master’s degree in:
  • Computer Science
  • Information Technology
  • Engineering
  • Related field

OR

• Equivalent professional experience.

Certifications (Preferred)

• Technical certifications
• Software Architecture certifications
• Security certifications
• Agile/Scrum certifications

Required Experience

Professional Experience

• Minimum 6 years of relevant experience in software engineering.
• Proven experience in complex enterprise environments.
• Demonstrated experience as a:
  • Technical Lead
  • Lead Developer
  • Technical Reference within Agile teams

Technical Skills (Mandatory)

• Spring Framework 4
• Spring Boot

Data & Messaging

• Kafka
• SQL
• Java database access technologies

DevOps & Development Tools

• Maven
• Jenkins
• Git

Testing

• JUnit
• WireMock
• Automated testing frameworks and practices

Architecture & Operations

• Middleware technologies
• Production support and operations

Technical Skills (Preferred)

• Lombok
• HttpEntity / ResponseEntity
• Groovy scripting for Jenkins pipelines
• IntelliJ IDEA
• Mainframe integration
• Distributed systems integration
• Observability and monitoring solutions
• Performance optimization
• Resilience engineering
• Production stability improvements

Business Experience

Mandatory

• Experience leading technical decisions within Agile delivery teams.
• Experience collaborating with architecture, security, and operations functions.
• Experience managing technical dependencies and delivery risks.
• Experience improving engineering practices in high‑pressure delivery environments.
• Experience within controlled enterprise environments.

Preferred

• Banking sector experience.
• Experience in regulated industries.
• Knowledge of investment solutions or investment platforms.
• Practical Scrum experience.

Soft Skills

• Strong technical leadership and credibility.
• Excellent analytical and problem‑solving capabilities.
• Effective communication with both technical and business stakeholders.
• Ability to influence without formal authority.
• Strong coaching and mentoring skills.
• Pragmatic decision‑making approach.
• Risk awareness and proactive problem identification.
• Collaborative and team‑oriented mindset.
• Commitment to knowledge sharing and continuous improvement.

Working Conditions

Language Requirements

• English: Professional working proficiency (required)