06/16/2025 updated

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Tech Lead - Full-Stack Java Consultant

Roubaix, France
Switzerland +3
info: Switzerland, France, Belgium, Luxembourg
Master of Science, Specialized in Multimedia Information Processing System
Roubaix, France
Switzerland +3
info: Switzerland, France, Belgium, Luxembourg
Master of Science, Specialized in Multimedia Information Processing System

Profile attachments

CV - Jean Bilong Mboumba

Java (Programming Language)JavaScriptApache ActiveMQAgile MethodologyAmazon Web ServicesAmazon Elastic Compute CloudAmazon S3HTML5BankingCascading Style Sheets (CSS)Technical AnalysisSoftware QualityContinuous IntegrationQuartz (Graphics Layer)SerializationDevOpsDrupalAmazon DynamoDBEclipse (Software)GitHubHibernateIntelliJ IDEAJava Database ConnectivityJava Message Service (JMS)Java Persistence APIJSONJoomlajQueryPython (Programming Language)Lean ProcessesPostgreSQLLiquibaseApache MavenMicrosoft SQL ServersMongoDBMySQLNode.jsOracle ApplicationsOWASPScrum MethodologyAnsibleSwaggerSecure CodingSeleniumShell ScriptSoapUISonarQubeTypeScriptVaadinZabbixOpenapiPostmanSpring BootBackendGitLabGitEvent Driven ArchitectureAmazon Relational Database ServiceAngularJSGitlab-ciGit FlowKubernetesAvroRancherApache KafkaGraphQLFront End Software DevelopmentCloudwatchApi GatewayPuppetRundeckRestful ApiTerraformAtlassian BambooDockerJenkinsArtifactoryMicroservices
Senior Full-Stack Developer with 13+ years of experience delivering robust solutions across banking, insurance, industry, and public sectors. Specialized in Java and Spring Boot on the backend, Angular on the frontend, with a strong focus on DevOps, CI/CD, and scalable microservices. Regularly act as Tech Lead to structure projects, mentor teams, and ensure software quality in Agile environments.

Tech stack:
Java (8–21), Spring Boot (2 & 3), WebFlux, JPA, Hibernate, Liquibase, JDBC, GraphQL, REST APIs, OpenAPI, Swagger UI, Quartz,
Angular (8–16), TypeScript, HTML5, CSS3, JavaScript, jQuery, Node.js, Monorepo setups, Thymeleaf, Vaadin,
Kafka (Avro, Producer/Consumer), JMS (ActiveMQ), Microservices, Domain-Driven Design, Event-Driven Architecture,
Git (GitHub, GitLab, Git Flow), Jenkins, GitHub Actions, GitLab CI, Bamboo, Docker, Kubernetes (base), Rancher, Terraform, Ansible, Puppet, Rundeck,
AWS (EC2, Lambda, S3, API Gateway, RDS, DynamoDB, CloudWatch),
PostgreSQL, MySQL, MongoDB, Oracle, SQL Server,
CI/CD best practices, TDD, OWASP Top 10, Secure coding, JSON/Avro serialization,
Maven, IntelliJ, Eclipse, VS Code, Sublime Text, SonarQube, Artifactory, Postman, SoapUI, Selenium, Zabbix,
Python, Shell scripting,
Agile (Scrum, Lean), Functional & Technical Analysis, Estimation, Modeling, Reporting,
JHipster, Dolibarr, Drupal, Joomla

Experience

Professional experience10+ years
Freelancer since2017

Languages

EnglishFluentFrenchNative speakerSpanishBasic knowledge

Project history

Technical Consultant & IT Trainer

E-MET CONSULTING

Internet & IT

< 10 team member

Technical trainer and consultant, I deliver training sessions in training centers, engineering schools, and companies, targeting students, employees, and professionals undergoing career transitions.
I design and lead customized training programs based on real-world use cases, delivered both on-site and remotely.

In parallel, I design and develop high-value business applications, combining technological innovation with a solution-oriented approach.

Sample engagements:
  • ORSYS, Paris La Défense (12/2022) : Java CI with Jenkins
  • Ynov, Paris (10/2020 - 05/2021) : advanced software development (Master 1 & 2), tutorials, 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 the Gabon market.
  - Modular architecture using Spring Boot, Quarkus, Angular (monorepo), and OpenAPI
  - Service-ui middleware bridging the Angular frontend with Spring/Quarkus backends
  - Event-driven backend with Kafka (notifications, audit, payments)
  - Deployment with Docker, monitoring via Spring Boot Admin, CI/CD using GitHub Actions
  - Project developed in collaboration with a technical partner, targeting deployment on a VPS

Skills :
Développement web back-end · MySQL · MongoDB · Java · Framework Spring · Continuous Integration and Continuous Delivery (CI/CD) · Développement de logiciel · JHipster · Heroku · Docker · Postman · Ansible · Quarkus · Apache Kafka · GitHub · Jenkins · Angular

Tech Lead - Full-Stack Java Consultant

Belgian Federation of Notaries (Fednot)

Auditing, Taxes & Law

Agile, trilingual environment. Leading high-value strategic projects for Belgian notaries.

Key Responsibilities :
  • Technical coordination and team mentoring (best practices, CI/CD, testing)
  • Requirements analysis, effort estimation, planning, and risk management
  • Design and development of business applications (e.g., "single provision account" in collaboration with the Ministry of Finance, LMS integration, batch processing)
  • Contribution to regulatory compliance projects (AML, centralized complaints management)
  • Facilitation of technical workshops, deployment documentation, and release coordination

Skills :
Java · Monorepo · Continuous Integration and Continuous Delivery (CI/CD) · Framework Spring · Docker · Ansible · Jenkins · Spring Boot · Microservices · Microsoft SQL Server · Spring Framework · Angular · ActiveMQ · Spring Security · RabbitMQ · Services web RESTful · Amazon Web Services · TypeScript · Enterprise Architecture Planning · SQL Server Reporting Services (SSRS) · Bitbucket · Mailjet · ClamAV · Amazon Web Services (AWS) · Postman · Scrum

Full-stack Developer

Vallourec Service Center

Industry & Mechanical Engineering

Joined Vallourec Service Center as an Application Architect to support and modernize the application ecosystem used across its production plants in France, Germany, Brazil, Nigeria, China, and Saudi Arabia. These applications were critical for real-time production monitoring and operational efficiency.

Key Responsibilities :
  • Designed and developed new applications using modern technologies
  •  Maintained and enhanced legacy systems to meet evolving functional needs
  •  Led migration projects to reduce technical debt while ensuring service continuity
  •  Authored detailed functional and technical specifications
  •  Estimated project effort and budget for new features and applications
  •  Investigated and resolved client issues in compliance with defined SLAs
  •  Mentored junior team members to increase team autonomy and expertise
  •  Actively participated in a DevOps-oriented, Agile Scrum team, collaborating with international stakeholders, including factory end-users and third-party service providers
Skills:
Java · Framework Spring · WebSocket · MySQL · Docker · AWS · JHipster

Java EE Consultant & Tech Lead

IBM Services Center

Internet & IT

Java EE Consultant at IBM Services, I contributed to several high-impact projects for clients such as Safran, AXA Belgium, ITCE (Caisse d'Épargne), and EMLYON.

Key projects:
  • Safran (2014 - 2016) : Developed the core orchestrator for the GPHMS engine health monitoring system. Built an internal and client-facing portal, managed transactions using AOP and JMS/SIBus, and implemented complex business rules.
  • AXA Belgium (2016) : Designed a flow orchestrator for residential insurance contract management, integrating business logic via ODM.
  • EMLYON (2016) : Developed a hybrid mobile app (iOS/Android) for student skills management, handling the presentation layer, unit tests, and documentation (functional, technical, and user).
  • ITCE Caisse d’Épargne (2016 - 2017) : Developed components for the acquisition and archiving chain of digitized documents, including Java jobs, unit/integration tests, and deployment packages.
Skills :
Framework Spring · Spring Batch · WebSphere · SOAP · SoapUI · JMS · Oracle Database · Maven · MongoDB · JSON · ODM · DBUnit · UML · AngularJS · Ionic Framework · NodeJS · Bootstrap (Framework) · Java · JavaScript · Ksh · Jasmine · jQuery · Liberty Profile · Matlab Application Serve · Tomcat · Sonar · AppScan · JAXB · MDM

Full-stack Developer

WEBIT Consulting

Internet & IT

As a freelance consultant at Webit Consulting, I led several projects for tech SMEs, industrial clients, and non-profit organizations, across diverse technical environments.

Key clients and projects :
  • Veolia, Paris (2012) : Backend development for a water fleet management system; functional specs, UML, service and DAO layers, unit testing
  • ELITSYS, paris (2012) : Real-time video analysis to count people with LMS100 sensor; shape detection and edge segmentation in Java
  • Drupal Web Projects, Rouen(2012 - 2013) : Built association websites using Drupal CMS, created templates, logos, flyers, and responsive designs
  • ELITSYS, Paris (2014) : Developed a VoIP/video conferencing Android app for Raspberry Pi using Linphone, IMSDroid, and Android SDK
Skills:
Java · PHP · Drupal · Adobe Photoshop · GIMP · Adobe Illustrator · Tomcat · Apache · Doubango · SipDroid · Linphone · Android SDK · Android OS · IMSDroid · SIP client · SIP server · Webservices · UML · Framework Spring · Oracle Database · Java Enterprise Edition · JMS · Java

Freelance IT Trainer

WEBIT Consulting

Internet & IT

Freelance IT Trainer : Delivered training sessions in engineering schools, training centers, and companies. Designed and facilitated customized courses based on real-world case studies, both in-person and remotely.

Training providers : Egilia, Demos, Logica Training, Performance Partner, Esic, Fitec, Elitsys

Topics covered : Java (beginner to advanced), Spring, C, Android, MySQL administration

Audience : Over 100 students, employees, and professionals in career transition

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