Michel Messak

As part of the redesign of the Vehicle Registration System (SIV2), I was tasked as Tech Lead on the Data Platform project, aiming to design a robust data platform to enable intensive querying and efficient data visualization.

Responsibilities and Achievements:

Back-End Development: Development of microservices in Java 21 with Quarkus, performance-oriented.

Front-End Development: Implementation of a Next.js portal to visualize data exposed via Apache Superset.

Architecture: Implementation of an optimized replication system from the source database (PostgreSQL) to a database dedicated to intensive querying (Starrocks), for analysis and extraction purposes.

Technical Leadership: Coordination of a team of 4 developers to ensure the delivery of a performant and scalable solution. Mentoring junior developers and leading code reviews to maintain optimal development quality.

Client Support: Supporting the client in understanding and adopting the technical solution, translating functional requirements into concrete solutions. Simplifying technical aspects to ensure user upskilling and good tool adoption while respecting business objectives.

Technical Skills:

Back-End: Java 21, Quarkus, Microservices

Front-End: Next.js

Messaging and Event-Driven: Apache Kafka

Databases: PostgreSQL, Starrocks

Containers: Docker

Version Control Tools: Git, Maven

This assignment allowed me to master a strategic project with high performance and reliability stakes, in a sensitive and highly structured ministerial context.

As part of my assignment within EDF's DIPNN division, affiliated with the nuclear sector, I contributed to the development of essential internal applications for the daily management of risks related to the construction and operation of nuclear sites in France.

Responsibilities and Achievements:

Back-End Development: Design and development of robust and scalable microservices in Java 11 and Spring Boot, integrated into a complex production environment to meet the specific requirements of the nuclear sector.

Bug Fixing and Evolutionary Maintenance: Rapid identification and resolution of technical bugs, ensuring the stability and performance of critical applications.

Technical Decision Making: Technical advice on architecture, technology choices, and risk management, ensuring a solution adapted to the security and performance challenges of the applications.

Technical Approval and Production Deployment: Leading the technical approval process, coordinating tests, and validating before production deployment, ensuring application compliance and quality.

Technical Skills:

Languages and Frameworks: Java 11, Spring Boot, Microservices

Databases: PostgreSQL, Oracle Database

Messaging and Event-Driven: Apache Kafka

Cloud: Amazon Web Services (AWS)

Methodology: Scrum, Agile

Code Management Tools: Git, Maven

This assignment allowed me to work on high-stakes projects, ensuring the reliability of developed solutions for a sector that is both sensitive and technological.

As Tech Lead of a team of 5 developers, I led part of the migration of a professional networking platform from GWT to Java 11 and Angular 12. This project modernized the technical architecture while improving user experience and platform performance.

Key Responsibilities:

Technical Leadership: Managing a team of 5 people, organizing code reviews, mentoring junior developers, and ensuring development quality.

Technological Migration: Successful migration from GWT to Java 11 and Angular 12, ensuring compatibility, scalability, and performance.

Full-Stack Development: Design and development of the Back-End architecture with Spring Boot, microservices, and the Front-End with Angular 12, ensuring seamless integration.

Containerization and Deployment: Implementation of Docker for managing microservices and the CI/CD pipeline.

Technologies Used:

Back-End: Java 11, Spring Boot, Microservices

Front-End: Angular 12

Database: MySQL

Containerization: Docker

This assignment allowed me to strengthen my software architecture skills while leading the migration of a complex solution, directly impacting the platform's performance and stability.