Mohammed Sebaa

Senior / Tech Lead Java Developer – Security – AEM – Vue.js

ENGIE | 2023 – Present

Context

Participation in the development of a strategic gateway platform for ENGIE, aimed at exposing and orchestrating business services in a modern, secure, and scalable architecture.

Responsibilities & Achievements

✅ Technical leadership of 2 teams (Java / AEM / Frontend) until production release

✅ Design and implementation of a microservices architecture improving modularity and scalability

✅ Development and integration of REST / SOAP services

✅ Implementation of MFA authentication via OKTA

✅ Migration and upgrade to Adobe AEM 6.5

✅ Execution of technical PoCs and architecture validation

✅ Code reviews and definition of development best practices

✅ Technical analysis and collaboration with business teams (BAs)

✅ Production deployment and post-launch monitoring

✅ Monitoring and observability via Kibana / Grafana

✅ Management of application performance and stability

✅ Contribution to application security aspects (AES/RSA encryption, security testing)

Technical Environment

SOA & Microservices Architecture • Java / J2EE • Spring • Adobe AEM 6.5

REST / SOAP • MySQL • Redis • Docker • Jenkins • Maven • Git

Vue.js / Vuetify • AWS • Apache • Jira • Kibana • Grafana

OKTA (MFA, IAM) • Security (AES/RSA cryptography)

PHP 8 / Laravel • Penetration Testing

Senior Java Developer / Security / AEM – ENGIE (Regulated Tariffs Gas – DTR)

Project

Development of backend services for the ENGIE DTR mobile application (Regulated Tariffs Gas), including secure communication, AEM integration, and implementation of strong authentication mechanisms.

Responsibilities & Achievements

✅ Effort estimation and technical sizing

✅ Technical analysis and collaboration with business teams (BAs)

✅ Development and integration of REST / SOAP services

✅ Implementation of multi-factor authentication (MFA)

✅ Integration of Adobe AEM with mobile services

✅ Securing data exchange (AES / RSA encryption)

✅ Continuous integration, deployment, and monitoring of production releases

✅ Monitoring and supervision via Kibana / Grafana

✅ Monitoring of application stability and performance improvement

✅ Ticket management and project support via Jira

✅ Integration of the OKTA solution (IAM)

Technical Environment

SOA & Microservices Architecture • Java / J2EE • Spring

REST / SOAP • MySQL • Adobe AEM 6.4 / 6.5

AWS • Docker • Jenkins • Maven • Git • Apache

Vue.js / Vuetify • Jira • Kibana • Grafana

OKTA (MFA, IAM) • Security (AES / RSA)

PHP 8 / Laravel

Senior Java Developer / AEM – ENGIE (Public Market – Gas)

Context

Participation in the redesign and evolution projects of the ENGIE Gas website (customer area, sales funnel, and business modules), involving architecture modernization, AEM migration, and transition to AWS cloud.

Project: Redesign of the ENGIE Gas website

Achievements

✅ Evolution of the customer area architecture

✅ Development of the authentication module via LDAP

✅ Migration from Adobe AEM 6.2 to AEM 6.4

✅ Migration of applications to AWS Cloud

✅ Improvement of platform performance and maintainability

Project: Redesign of the termination module

Achievements

✅ Redesign of the termination component under AEM

✅ Design and implementation of the technical architecture

✅ Optimization of user journeys and integration of business services

Project: Redesign of the sales funnel

Achievements

✅ Redesign of AEM components related to the subscription funnel

✅ Implementation of the technical architecture for the online sales solution

✅ Implementation of an LDAP authentication module

✅ Participation in Agile ceremonies (daily stand-ups, demos, pair programming)

Technical Environment

Java / J2EE • SOA Architecture (REST / SOAP)

Adobe AEM 6.2 / 6.4 • Apache Sling • OSGi • JCR • Oak • Lucene

JCR-SQL2 / XPath • CaaS

JBoss • Maven • Git • Jenkins

JUnit • Mockito • RobotFramework

Kibana • Grafana • Apache

PHP 7.4 • Laravel • Vue.js

Jira • Agile Methodology