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Sébastien B.SB

Sébastien B.

Senior Software Architect | Cloud | Modernization

€700/day
Antibes, FR
15+ years

Average response time: 1 hour

About Sébastien

Software Architect with 20+ years of experience, specializing in platform modernization, microservices, event-driven architectures, and Kubernetes-based cloud migrations.
I lead architectural design and critical technical delivery, supporting zero-downtime transformations while aligning engineering decisions with stakeholder and business priorities.
Typical engagements include architecture audits and diagnostics, architecture definition and governance, team enablement, and temporary technical leadership roles.
Pragmatic, impact-driven approach with a strong focus on sustainable outcomes and business alignment.
  • English

    Fluent

  • French

    Native or bilingual

  • Spanish

    Conversational

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

Experience

  • Avisto
    AI Systems Architect (R&D)
    DIGITAL AND IT
    September 2025 - October 2025 (1 month)
    Valbonne, France
    Enhanced a Generative AI (ChatGPT) SVA generator
    ● Clarified project status, enhanced scripts and documentation.
    ● Improved consistency by 10–20%
    ● Identified key strategic enhancements.

    Key Technologies: AI, ChatGPT 4, LLM, fine-tuned models, Python, SystemVerilog Assertions.
    Key Skills: Problem-solving, critical thinking, adaptability, technical research.
    LLM ChatGPT Generative AI Python Artificial Intelligence (AI)
  • Cruiseline
    Software Architect
    TRAVEL AND TOURISM
    March 2024 - March 2025 (1 year)
    Monaco, Monaco
    Led initial architecture design for cruise reservation system modernization operating 60+ websites, enabling legacy-to-AWS microservices migration. Monaco.
    ● Defined Comprehensive Specifications and Architecture foundations: delivered actionable project specifications and architecture design for key business domains.
    ● Designed extensible Product model, supporting multi-language customization. Key Technologies: Java, AWS, microservices, event-driven, REST, batch processing. Results: Delivered foundation for cloud-native, high-performance system.
    Java AWS API Cloud Native Microservices
  • AVI-SPL
    Software Architect
    SOFTWARE PUBLISHING
    September 2021 - July 2025 (3 years and 10 months)
    Tampa, United States
    Architected key components of Symphony redesign, transitioning from a monolithic system to a scalable cloud-native microservices architecture on AWS. Full remote consultant.
    Architected Symphony V7: 20+ Java/Spring Boot microservices running on Kubernetes (Helm charts), wrote CI/CD pipelines (GitHub, ArgoCD), event-driven architecture (Kafka), distributed cache (Redis Cluster), designed Modern Authentication (SAML, OpenID Connect/OAuth) and Authorization, setup Apache Apisix API Gateway.
    Conducted Extensive Research: proposed multiple solutions balancing pros and cons, presented to stakeholders, facilitated informed and collaborative decision-making.
    Guided 8–10 backend developers on microservice design, technical decisions, code reviews, and candidate interviews.
    Key Skills: Technical leadership, accountability, client-focused solutions, collaboration.
    Results: Delivered a robust, scalable architecture, enabled 16+ smooth major releases.
    Kubernetes Microservices Argo CD Java Apache Kafka

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Education

  • MSc
    ENSEEIHT (National School of EE, Electronics, CS, Hydraulics & Telecom)
    2004
    MSc
  • MSc, Software
    Avignon University
    2003
    MSc, Software

Skill set

Categories