Java Technical Analyst

In this role, you will combine deep hands-on Java development expertise with strategic technical leadership. You’ll architect complex solutions, drive large-scale migrations, and build high-performing distributed teams across multiple time zones. This is an ideal opportunity for a technical leader who thrives in both coding and mentoring environments. Your journey with us Technical Leadership

• Design and oversee Java modernization strategies and technical roadmaps for enterprise clients
• Define scalable, resilient, and secure Java-based solutions aligned with business objectives
• Establish technical standards, best practices, and architectural patterns for your development team
• Conduct comprehensive technical reviews and code quality assessments
• Mentor and guide nearshore/offshore developers on architectural decisions and technical excellence

Hands-On Development

• Lead complex Java modernization projects including JBoss upgrades and Spring Boot migrations
• Direct migration initiatives from Java EE / Jakarta EE legacy systems to modern frameworks
• Oversee Spring Framework migrations (5 -> 6) and javax -> jakarta transitions
• Manage RichFaces to PrimeFaces UI framework migrations
• Refactor and remediate legacy codebases using industry-leading tools like OpenRewrite
• Integration of code written by delivery center” and take care of CI/CD process
• To understand code written in NL & FR
• To ensure this is legacy migration, not super fancy innovative work
• Write, review, and optimize production-grade Java code

Team Management & Development

• Manage and mentor nearshore/offshore Java development teams
• Conduct code reviews and provide constructive technical feedback
• Establish development processes, quality gates, and continuous improvement initiatives
• Facilitate knowledge sharing and skill development across distributed teams
• Ensure adherence to timelines, budgets, and quality metrics
• Coordinate effectively across different time zones and cultural contexts.

Application Server & Deployment Expertise

• Lead JBoss/WildFly upgrade initiatives and platform migrations
• Oversee application server configuration, optimization, and troubleshooting
• Ensure deployment strategies (WAR/EAR) are optimized, documented, and production-ready
• Implement CI/CD pipelines and automated deployment processes., * Flexible work arrangements for all and initiatives supported by Parents & Caregivers @Deloitte
• Wellbeing tips and activities powered by Energise@Deloitte
• Topped off with other health benefits and insurance opportunities

Empowering our employees with flexible work arrangements remains essential in today’s reality:

• Hybrid workplace: combination of home office and on-site (+10 offices in Belgium or client’s premises).
• Part-time employment: all our jobs are open to full-time or part-time work under a 90% or 80% regime.

Do you have experience in Spring Framework?, Do you have a Master’s degree?, * BSc or MSc degree in Computer Science, Software Engineering, or related field (or equivalent professional experience)

• Minimum 4+ years of professional Java development experience.
• Previous experience in banking sector would be considered an asset.
• Proven track record managing distributed development teams (nearshore/offshore)
• Deep understanding of Java language features, design patterns, and best practices
• Strong foundation in object-oriented programming and functional programming concepts
• Hands-on experience with javax -> jakarta namespace migrations - Knowledge of Spring ecosystem (Spring Data, Spring Security, Spring Cloud)
• Proficiency with JPA/Hibernate ORM framework. Knowledge of enterprise application patterns and design principles
• Hands-on experience with JBoss / WildFly administration and optimization
• Expertise in WAR/EAR deployment and troubleshooting - Understanding of application server configuration and performance tuning
• Experience with CI/CD pipeline integration and optimization - Familiarity with automated testing frameworks and strategies
• Passionate about technology, innovation, and continuous learning
• Ability to balance logical problem-solving with innovative thinking
• Strong attention to detail and commitment to code quality
• Proven ability to lead and mentor technical teams
• Excellent written and verbal communication skills and strong presentation abilities for both technical and non-technical audiences.
• Ability to translate complex technical concepts for stakeholders
• Comfortable working in cross-functional environments with architects, business analysts, and QA teams
• Team player who enjoys collaborating to solve complex problems.
• Fluent in Dutch and English (French is an extra asset).

Deloitte Customer is… ‘ALL THINGS CUSTOMER’. We focus all our talent, creativity, and technology on all the connection points between an organisation and its customer. Across all clients and sectors, we believe great customer expefriences create greater impact. That elevating the human experience creates enduring value, for the organization, for the customer, for society, for all. Within Marketing & Commerce we design transformational Marketing & Commerce strategies, implement innovative technology solutions and optimize our client’s business impact. Experience is at the heart of the human condition. It’s how we learn. It’s how we live. It changes us. We believe that humans retain more from an experience than from things. How we feel is what sticks with us. Our experience imbues the world with meaning, embeds memories, and transforms our perceptions and behaviors. Great experiences build connections. Strong connections create loyalty. Loyalty drives business results Who is Deloitte? We provide industry-leading audit and assurance, tax and legal, consulting and related services. We are committed to driving innovation across offerings to help our clients address their challenges, while giving our professionals opportunities to learn and grow in this era of transformation. In Belgium, +5000 dedicated professionals active in +10 offices, take great pride in bringing multidisciplinary expertise to a wide variety of clients, from national and international companies, small, fast-growing and large organizations to public institutions and governmental authorities. Why Deloitte? Be the true you! We foster diversity and inclusion and encourage you to bring your authentic self to work. Explore, question and collaborate while building a career that inspires and energises you. Never stop growing! Diversity of thought makes us stronger. At Deloitte, we tailor a personalized learning experience, offering you the opportunity to grow at your own pace and achieve maximum impact. We practice what we preach! As a Purpose-led organisation, at the heart of everything we do is a set of timeless principles and unifying values. Life looks different for each of us, so we created a varied benefits package that you can tap into