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Jean Bilong MboumbaJB

Jean Bilong Mboumba

Full Stack Java Developer

€550/day
Lille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean

Senior Full-Stack Developer with over 13 years of experience in designing and implementing robust solutions for the banking, insurance, industrial, and institutional sectors.

Specializing in backend development with Java and Spring Boot, I also possess solid expertise in frontend development with Angular.
I master DevOps practices, automation through CI/CD pipelines, and microservices architecture.

I regularly act as a Tech Lead to structure projects, mentor technical teams, and ensure software quality in Agile environments.

I am guided by a pragmatic and long-term oriented approach to help organizations build reliable, scalable, and sustainable systems.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Lille (up to 50km), Paris (up to 50km), Bruxelles (up to 50km), Lille (up to 50km)

Experience

  • E-MET Consulting
    Technical Consultant & IT Trainer
    April 2020 - Today (6 years and 2 months)
    Roubaix, France
    Technical trainer and consultant, I work in training centers, engineering schools, and companies to train students, employees, or professionals in career transition.
    I lead customized training sessions, designed from practical case studies, in person or remotely.

    In parallel, I design and develop high-value-added application projects, combining technological innovation and a solution-oriented approach.

    Examples of assignments:

    • ORSYS, Paris La Défense (12/2022):Jenkins, implementing continuous integration in Java

    • Ynov, Paris (10/2020 - 03/2021):Advanced software development (Master 1 & 2), practical sessions, demos, coaching
    • AFPA, Paris (07/2020 - 08/2020):Java EE

    Personal Project - Motaki (2025)
    Role:Software Architect & Full-stack Developer

    Development of a bus reservation platform for Gabon.
    • Modular architecture: Spring Boot, Quarkus, Angular (monorepo), OpenAPI
    • Service-UI middleware between the Angular frontend and Spring/Quarkus backends
    • Event-driven backend with Kafka (notifications, audit, payments)
    • Deployment via Docker, monitoring via Spring Boot Admin, GitHub Actions CI/CD
    • Project carried out in collaboration with a developer partner, aiming for production deployment on VPS

    Skills:
    Backend Web Development · MySQL · MongoDB · Java · Spring Framework · Continuous Integration and Continuous Delivery (CI/CD) · Software Development · JHipster · Heroku · Docker · Postman · Ansible · Quarkus · Apache Kafka · GitHub · Jenkins · Angular
    Docker SpringBoot Spring Framework Java Quarkus
  • E-MET Consulting
    Full-Stack Java Consultant & Tech Lead
    June 2021 - April 2025 (3 years and 10 months)
    Lille, Hauts-de-France, France
    Client:Belgian Notaries Federation (Fednot) - Brussels
    Period:June 2021 - April 2025
    Role:Full-stack Developer / Tech Lead

    Context:
    Agile and trilingual environment. Management of strategic, high-value projects for Belgian notaries.

    Main missions:
    • Technical coordination and team support (best practices, CI/CD, testing)
    • Requirements analysis, estimation, planning, and risk management
    • Design and development of business applications (single provision account with the Ministry of Finance, LMS integration, batch processes)
    • Contribution to regulatory projects (anti-money laundering, complaint management)
    • Facilitation of technical workshops, drafting deployment deliverables, monitoring production releases

    Skills:
    Java, TypeScript, Angular, Monorepo, Spring Framework, Spring Boot, Spring Security, Microservices, Enterprise Architecture Planning, CI/CD, Jenkins, Docker, Ansible, Bitbucket, RESTful Web Services, RabbitMQ, ActiveMQ, Amazon Web Services (AWS), Mailjet, ClamAV, Microsoft SQL Server, SQL Server Reporting Services (SSRS), Postman, Scrum
    Docker Spring Batch Angular 16 SpringBoot Java
  • E-MET Consulting
    Full Stack Developer
    May 2017 - April 2020 (2 years and 11 months)
    Lille, France
    Client:Vallourec Service Center - Valenciennes
    Period:May 2017 - April 2020
    Role:Application Architect / Independent Consultant

    Context:
    Intervention as an application architect to support the modernization of Vallourec's application portfolio in France, Germany, Brazil, Nigeria, China, and Saudi Arabia. The applications concerned real-time industrial production monitoring and played a critical role in operations.

    Main missions:
    • Design and development of new applications with modern technologies
    • Corrective and evolutionary maintenance of existing applications
    • Migration of obsolete systems to recent architectures while ensuring service continuity
    • Drafting of functional and technical specifications
    • Load estimation and costing of evolutions or new projects
    • Incident analysis and resolution in compliance with SLAs
    • Mentoring and skill development of team members
    • Work in a DevOps team in an Agile (Scrum) environment, liaising with various stakeholders: IT teams, business users from the plants, external providers

    Skills:
    Java, Angular, CI/CD, Spring Framework, Maven, Docker, Jenkins, Tomcat, Amazon Web Services (AWS), Docker, Gitlab, JHipster, WebSocket, Postman, Selenium, Zabbix
    JAVA/JEE; Apache Tomcat Amazon Web Services (AWS) Docker Spring

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Education

  • University of Rouen
    Bachelor of Arts (Bac+2)
    2010
  • University of Rouen
    Master of Science (bac+5)
    2009

Skill set

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