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Daudey SebastienDS

Daudey Sebastien

FullStack Developer Java Spring / Angular

€420/day
Lyon, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Daudey

I am looking for freelance developer opportunities where I can contribute with rigor, technical curiosity, and a software quality-oriented approach.

After several years as an IT project manager, I decided to return to technical roles to fully dedicate myself to development. This career change, driven by a passion for code and innovation, led me to complete a full stack Java/Angular training at Diginamic, and then to continuously train in Craftsmanship: Clean Code, TDD, Hexagonal Architecture, BDD, and active participation in technical conferences and meetups.

My initial development missions allowed me to consolidate my technical skills and tackle concrete challenges. In parallel, I am developing a SaaS tool dedicated to optimizing guest placement at professional dinners. This project has enabled me to explore the potential of agentic AI (Claude Code) to enhance the quality and efficiency of my deliverables, an approach I wish to apply to my future collaborations.

My project management experience remains an asset: it taught me to balance strategic vision with technical requirements, a duality I now bring to my developer role. My profile thus combines:

- Analytical and synthesis skills to understand user needs and design appropriate solutions,
- Smooth and positive integration within multidisciplinary teams, through active listening and a collaborative spirit,
- Clear and effective communication, with both technical and functional stakeholders.
  • French

    Native or bilingual

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

Experience

  • Projet Indépendant
    Creation and development of a SaaS tool
    January 2026 - Today (7 months)
    Creation and development of a SaaS tool dedicated to optimizing
    guest placement at professional dinners.
    - End-to-end design and implementation (currently in
    pre-production, deployment planned for May 2026)
    - Implementation of software architecture principles (Clean
    Architecture, Hexagonal Architecture, DDD) to enhance maintainability, scalability, and testability.
    - Proactive use of Claude Code (with skill implementation) enabling accelerated implementation.
    Vue.js Java Domain Driven Design Claude
  • Everial
    Corrective and evolutionary maintenance
    January 2025 - December 2025 (11 months)
    Development and optimization of a tool dedicated to collecting
    digitization activities and operational monitoring (7 autonomous
    applications and a base platform with 5 containers)
    • Corrective/evolutionary maintenance on the front and back end
    • Development of new APIs
    • Analysis of batch rejections and response times: implementation of
    DB indexes and switch to asynchronous Elasticsearch updates
    • Reconstruction of an operational development environment
    • Participation in the finalization of Dev and Testing pipelines, and
    the gradual migration of the 4 environments (On-Premise → Azure)
    Spring boot JavaScript Angular Java JHipster
  • Groupama Support & Service
    Manager of Agricultural Domain Applications
    BANKING AND INSURANCE
    January 2023 - December 2023 (11 months)
    Lyon, France
    • Manager of a team of 20 people developing 6 applications for multi-risk agricultural insurance.
    ● Implementation of globalized management, harmonization of practices and creation of team spirit, launch of technical debt reduction work

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Education

  • Full Stack Developer (RNCP 6)
    Diginamic
    2025
    Développeur Full Stack
  • Computer Engineering
    INSA de Lyon
    1991
    Ingénieur en Informatique

Skill set

Categories