About Paul-Henri
French
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English
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Dutch
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Experience
- SmalsFull-Stack Software EngineerPUBLIC SECTORApril 2026 - Today (2 months)Bruxelles, BelgiumSmals describes itself as "ICT for Society" and builds software for the Belgian public sector. On this assignment I work for the RSZ-ONSS (National Social Security Office), where I:
- New service development: Building a brand-new full-stack service from the ground up with Angular 21 and Java 21, owning it across both the front-end and the back-end.
- Legacy maintenance & evolution: Maintaining and evolving a portfolio of existing services across several Java projects (Spring Boot 3.5, Java Batch, Angular 16), keeping their versions consistent and current so they stay secure and maintainable.
Technologies: Java 21, Spring Boot 3.5 (incl. Batch), Angular 21 & 16, SOA (REST/SOAP), PostgreSQL, OpenShift, OAuth2/OIDC, GitLab & Jenkins. - SmalsFull-Stack Software EngineerMEDICALJanuary 2024 - December 2025 (1 year and 11 months)Bruxelles, BelgiumSmals describes itself as ICT for Society, it develops projects for the public sector. In this context, I worked for the Federal Agency for Medicines and Health Products where I did:
- Projects Migrations: Executed migrations of Java and Angular projects to ensure alignment with the latest technologies, maintaining project relevance, security, and performance;
- Code Refactoring: Refactored Java and Angular codebases to improve maintainability and introduced comprehensive test coverage;
- Feature Development: Collaborated closely with customers, product owner (PO), analysts, and architect to design, implement new features tailored to business needs, delivering high-quality solutions on time;
- Technical Mentorship: Mentored and guided a junior developer, teaching best practices in coding, testing, and Gitlab workflows, fostering their technical growth and contributing to team productivity and knowledge sharing.
Technologies: Java (11->21) (EE, Spring (Boot, Security, Batch, MVC),JAX, Maven, Mockito & JUnit), Postman, SOA (REST, SOAP), PostgeSQL,Angular (15->19), Jest & Karma/Jasmine, OpenShift, HTML/CSS withscss/sass - ProximusFull-Stack Software EngineerTELECOMMUNICATIONSJanuary 2021 - December 2023 (2 years and 11 months)Bruxelles, BelgiumDeveloped new features (few of them below):
- KYC (Know your customer): implementing a solution to check the customers identity. I had to request a third party service (Rest API) and define many scenarios from the front-end (Angular) to the back-end (Java Sring);
- EasySwitch: When a customer changes from an operator to another, an automatic transfer can be processed. I contributed to the development of the front-end part (Angular) and to define the rules in the back-end part (Java Spring);
- Improved the customer experience by adjusting the front-end to the customers journey (Angular) and the back-end to the business and legal requirements (Java Spring);
- Configurations: Added the new products in configurations and update the back-end (Java Spring) accordingly;
- Developed parts of the Finite State Machine (Node) with GraphQL and Apache Kafka in the context the reactive architecture between the front-end and back-end;
Task force: I had to identify the bugs' root causes (Adobe Reports, Kibana, Splunk & Dynatrace) in production and tackle them to the fix (Angular, Java Spring & Node);Migrated AngularJS components to Angular;AGILE (refinements, daily standup's, pair-programming and teamwork);Technologies: Java 11 (Spring (Boot, Security, Batch, MVC), Maven & JUnit), Postman, SOA (REST, SOAP), Kafka, GraphQL, CouchBase, Angular (12 & JS), HTML/CSS (saas/scss), Jasmine, Adobe Reports, Kibana, Splunk, Dynatrace.
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Education
- Ingénieur informatiqueINSA Hauts-de-France2025
Certifications
- Louv1.1x, Paradigms of Computer Programming - FundamentalsedX2014
- Louv1.2x, Paradigms of Computer Programming - Abstraction and ConcurrencyedX2015