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Alaeddine SouissiAS

Alaeddine Souissi

Fullstack Developer Java TS -> AI Transformation

€550/day
Nantes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alaeddine

Why work with me?

Senior Fullstack Engineer with 7+ years of experience in Java & TypeScript, triple AWS certified, I design and deliver robust, scalable, and high-quality solutions on projects deployed internationally.

Specializing in digital transformation and AI adoption, I lead the integration of AI tools into the core of development workflows to increase team productivity by over 30% without ever sacrificing code quality.

📍 Based in Nantes | Remote
💼 Available for Freelance & Consulting missions

What I offer:

Technical Expertise:Java, Spring Boot, and TypeScript. Mastery of modern languages and frameworks for robust and maintainable applications.

Development:Design and implementation of scalable and high-performing solutions, based on proven models adapted to your business needs.

DevOps & Cloud:Docker, Github Actions, GitLab CI/CD, and AWS certifications for optimized deployments and efficient cloud operations.

DevEx & AI Productivity:Support for technical teams in integrating AI tools (GitHub Copilot, Claude Code) to reduce development cycles and improve code quality.
  • French

    Fluent

  • English

    Fluent

  • German

    Basic

  • Arabic

    Native or bilingual

Can work on-site
Nantes (up to 50km)

Experience

  • Bureau Veritas
    FullStack Developer (Java/Angular)
    ENVIRONMENTAL
    November 2025 - Today (7 months)
    Nantes, France

    Tasks performed

    • **Product Development**: Deliver critical features used by thousands of users in over 140 countries.
    • **Audit & Compliance**: Develop core features for Bureau Veritas's international audit and compliance projects.
    • **GitHub Copilot & AI**: Integrated GitHub Copilot into the process and boosted developer productivity by 30%.
    • **Performance**: Optimize application performance to ensure a smooth experience for users worldwide.


    **Stack**: Java, Spring, Angular, PostgreSQL, AWS, S3, Jenkins, GitLab, GitHub Copilot, AI, Claude, ...
    Java Angular Productivity Improvement GitHub Copilot Prompt Engineering
  • Positive Thinking Company
    Backend Developer
    DIGITAL AND IT
    April 2023 - October 2025 (2 years and 6 months)
    Nantes, France

    Project

    • EXPERTB2G: Part of the new GNAU (Digital Gateway) range in response to the requirement for full online processing of urban planning applications with a user-friendly interface.

    Tasks performed

    • **Software Architecture**: Design a DDD and hexagonal architecture to increase modularity by 30%.
    • **DMS Development**: Develop a multi-provider DMS module with NestJS and Spring Boot.
    • **CI/CD and Agility**: Contribute to CI/CD with GitHub Actions and actively participate in agile ceremonies.
    • **Features**: Create over 50 backend features and user-friendly interfaces with Angular.
    • **Security and Quality**: Implement secure authentication (LDAP, JWT, OAuth2) and reduce critical production bugs.

    Stack: NestJS, Java, Spring, Axios, DDD, Hexagonal, GitHub Actions, Docker, CMIS, HTTP, Alfresco, Postman, Confluence, Swagger, Java, Node.js, Angular 14/17, PostgreSQL, Oracle, Git, Jira, REST, Websocket, NgRx, TypeORM, LDAP, JWT
    NestJS Angular Java Hexagonal Architecture Quality
  • LittleBIG Connection
    FullStack Developer (Java/Angular)
    SOFTWARE PUBLISHING
    September 2021 - February 2023 (1 year and 5 months)
    Tunis, Tunisia

    Project

    • **LittleBigConnection Platform**: SAAS B2B for freelancers, collaboration between clients, freelancers, and consulting firms with a community of over 350,000 experts worldwide.

    Tasks performed

    • **Development and Migration**: Design and implement new features, increasing application capacity by 20%, and migrate over 100,000 lines of data and legacy code for a smooth transition.
    • **Quality Assurance**: Implement unit, integration, and API tests (Postman) with a coverage rate of +85%, ensuring 99.9% availability.
    • **Complex Problem Solving**: Active contribution during technical workshops, proposing innovative solutions to optimize the platform.
    • **Mentoring**: Support new team members and share knowledge to accelerate their skill development.
    • **Agile Methodology**: Work in Scrum, participate in 100% of agile ceremonies, and present over 10 demos of new features.


    **Stack**: Git, Jira, Confluence, Postman, IntelliJ, Java 11, Spring, Vault, Angular 11, GitLab, Sonar, Jenkins, REST, Docker, MySql, MongoDB, Elasticsearch, Redis, Liquibase, Kibana, Logstash, ...
    Java Angular Spring Boot MongoDB Spring Batch

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Education

  • Bachelor's Degree in Computer Science (BAC + 3)
    Higher Institute of Computer Science and Mathematics of Monastir – Tunisia

Certifications

Skill set

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