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Sébastien BaertSB

Sébastien Baert

Software Architect & Back-end Tech Lead (Java/Rust)

€650/day
10 projects
Lille, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sébastien

Available as dev lead, software architect, or CTO. I support companies in the redesign of their IS (monolith to micro-services) and the standardization of their architecture (C4 Model, ADR, etc.). Tech Lead and seasoned developer on Java ecosystems (Spring, Quarkus) and Rust pioneer, I am involved from design to deployment (Kafka, K8s, cloud).
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Lille (up to 10km), Douai (up to 10km), Valenciennes (up to 10km), Tournai (up to 10km)

Experience

  • ADEO Services
    Staff Engineer: Architecture, Mentoring & Technical Innovation
    RETAIL (LARGE RETAILERS)
    December 2022 - Today (3 years and 6 months)
    Ronchin, France
    - Standardization of architecture modeling: Design and deployment of a C4 model-based tool to document and align the architecture of all group products, improving visibility and technical consistency at scale.

    - Team support: Active support for development teams in the design, optimization, and implementation of applications, with a focus on best practices and alignment with architectural standards.

    - Rust adoption pioneer: Production deployment of the first Rust microservice within ADEO, paving the way for the language's integration for high-performance and secure solutions.
    IS Architecture Java Rust C4model GKE
  • Coopérative Carbone
    Rust Developer
    ENVIRONMENTAL
    October 2022 - November 2022 (1 month)
    La Rochelle, France
    Design and development of a gateway between a browser and a POS terminal (Valina) for a payment terminal.
    Rust REST API Windows
  • WayKonect - TotalEnergies
    Technical Architect
    ENERGY AND UTILITIES
    January 2022 - September 2022 (9 months)
    Lille, France
    As part of the transition to a micro-services architecture, I addressed two main topics:
    • Design and initial development of an anti-corruption service for synchronizing data between the monolith and micro-services (Java 17, Quarkus, Kafka)
    • Design and initial development of an IAM service (Java 17, Quarkus, PostgreSQL, Kafka, Keycloak)
    Java Quarkus Apache Kafka PostgreSQL OpenID Connect

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Education

  • Master's degree in Computer Science
    University of the Littoral
    1999

Skill set

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