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Alaa AdouiAA

Alaa Adoui

FullStack Dev | Java | Spring boot | Angular | AWS

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alaa

Your application needs to evolve rapidly, remain stable, and meet strong business challenges, without accumulating technical debt or slowing down your teams. I help companies design, evolve, and secure web applications with solid expertise in **Java, Spring Boot, Angular, AWS, and PostgreSQL**, with a simple goal: deliver reliable, high-performing, and easily scalable solutions.

Full Stack Developer with over 8 years of experience, I am involved in the entire development cycle: requirements analysis, technical design, backend and frontend development, performance optimization, testing, deployment, and production. I have supported major groups such asSNCF, BNP Paribas**, and **l’Assurance Maladieon critical business applications, used daily in demanding environments in terms of security, availability, and quality.

At **SNCF**, I participated in the development and evolution of several business applications used by hundreds of users, with a measurable improvement in performance and software quality. At **l’Assurance Maladie**, I was responsible for the evolutionary maintenance, bug fixes, and deployments of strategic applications. At **BNP Paribas**, I contributed to electronic signature solutions in a regulatory and secure context.

I am committed to delivering aturnkey, stable, tested, and maintainableproduct, with clear, documented, and future-proof code. My approach secures your developments while maintaining real scalability.

I mainly work with **Java, Spring Boot, Angular, AWS, PostgreSQL**, Docker, Kubernetes, CI/CD, automated testing, REST APIs, and microservices architectures.

Have a project, a redesign, or need to strengthen your team? Let's chat via video call. I respond within 24 hours.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Toulouse (up to 50km), Montpellier (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km)

Experience

  • SNCF
    Full Stack Developer Java–Angular–ElectronJS
    TRANSPORTATION
    January 2023 - Today (3 years and 5 months)
    Saint-Denis, France
    Mission Objective:
    Lead and develop critical business applications at SNCF, modernizing the technical ecosystem and improving performance, stability, and user experience at scale.

    Achievements:
    • Tech Lead on several strategic applications with Java, Spring Boot, Angular, PostgreSQL, AWS: mentoring developers, industrializing development processes, and improving the perceived quality of deliverables.
    • Backend/frontend optimization with Spring Boot, Angular, PostgreSQL: reducing response times by 30%, improving application performance, and enhancing production scalability.
    • Leading multi-environment deployments with AWS, Docker, CI/CD: processing 35+ tickets per sprint, reducing anomalies by 25%, and significantly saving time for business teams.

    Technical Stack:
    Java 17, Spring Boot, Angular 15, PostgreSQL, AWS, Docker, GitLab CI/CD, ElectronJS, Redis, MongoDB, Swagger
    Node.js Amazon Web Services Angular Spring boot Java
  • ASSURANCE MALADIE
    Full Stack Java / Angular Developer
    HEALTH AND WELLNESS
    August 2020 - December 2022 (2 years and 4 months)
    Montreuil, France
    Mission Objective:
    Develop and maintain the HDPL platform for Assurance Maladie to automate the management and notification of business deliverables.

    Achievements:
    • Developed new features with Java, Spring Boot, Angular, PostgreSQL to enhance the reliability and visibility of business processes.
    • Optimized delivery workflows with Spring Boot, PostgreSQL, AWS-ready architecture, leading to operational time savings and better traceability.
    • Performed corrective and evolutionary maintenance on a Full Stack Java / Angular architecture: continuous performance improvement, incident reduction, and enhanced perceived quality.

    Technical Stack:
    Java 11, Spring Boot, Angular, PostgreSQL, Docker, Jenkins, GitLab, JUnit, Mockito, Maven
    Java Spring boot Angular PostgreSQL Docker
  • BNP PARIBAS
    Full Stack Java / Angular Developer
    BANKING AND INSURANCE
    May 2018 - July 2020 (2 years and 2 months)
    Montreuil, France
    Mission Objective:
    Design and evolve a secure electronic signature solution for BNP Paribas, within a critical regulatory context.

    Achievements:
    • Developed secure microservices with Java, Spring Boot, PostgreSQL, Angular to enhance security, compliance, and application performance.
    • Implemented REST/SOAP APIs with Spring Boot, PostgreSQL, ensuring better interoperability and high visibility of business exchanges.
    • Industrialized builds and deployments with Docker, Kubernetes, AWS-ready stack: reduced delivery time, improved perceived quality, and enhanced production stability.

    Technical Stack:
    Java 8, Spring Boot, AngularJS, PostgreSQL, Docker, Kubernetes, Jenkins, Keycloak, OAuth2, Swagger
    Spring boot Keycloak AngularJS Kubernetes Apache Kafka

Recommendations

Othmane AllouchOA
Sadiq El-MaterziSE
Ayoub BenigmimAB
Othmane Allouch and 2 other people have recommended Alaa

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Education

  • License in Science and Technology
    Techniques
    2016
    Licence Sciences et
  • State Engineering Degree
    2018
    Diplôme d'Ingénieur d'État

Skill set

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