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Adrien J.AJ

Adrien J.

Fullstack Javascript Developer

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Adrien

Fullstack Developer. Former 42
Back: Python (FastAPI, Flask, Django), Typescript (Node/Express, NextJS, Nest), Golang
Front: ReactJS, Tanstack etc.
Infra: AWS, GCP

Passionate about web dev, sense of craftsmanship and best practices
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Paris (up to 30km), Montpellier (up to 20km)

Experience

  • AlloBrain
    Fullstack Developer
    May 2025 - January 2026 (8 months)
    Paris, France
    Led operational data-integration topics and onboarded new clients onto the Quality Monitoring platform
    - Built import pipelines and backend scripts to ingest and process audio/transcript data at scale
    - Extracted and redesigned the ingestion module and improved integration robustness through automation
    and API enhancements
    - Built with: FastAPI, Typescript, GCP and AWS services, Tanstack, Zod...
    Typescript External API Integration React.js FastAPI Python
  • Dassault Aviation
    Software Engineer
    DEFENSE AND MILITARY
    January 2023 - May 2025 (2 years and 4 months)
    Paris, France
    Fullstack lead developer responsible for making strategic technical decisions as part of a system
    resdesign for an aviation training app
    - Designed and implemented main course management workflows
    - Designed PWA-like service workers features (Workbox)
    - Designed referential imports backend microservice by implementing custom parsing strategies and designed sophisticated course material editing UX
    - Reviewed code enforcing best practices (Clean code, Solid ...), strict typing, schema validation (Zod) while
    exploring performance optimizations via Python and Go POCs
    - Built with: Typescript, Node/Express, Tanstack, Zod, OpenApi, Key
    cloak, MUI, Storybook, Jenkins
    Full-stack Development Node.js Typescript React.js
  • Reciproc-IT
    Software Engineer
    December 2022 - December 2023 (1 year)
    Paris 16 Passy, France
    Tech lead for a cyber risk management solution
    - Led an MVP based on constant client feedback
    - Committed to implementing best practices (Clean Code, SOLID etc.) with particular attention to craftsmanship
    - Mentoring juniors
    Built with: Python/Django (DRF) / React / MUI / EBIOS ANSSI Methodology / MITRE ATT&CK / Scaleway
    Django React.js Front-End Development

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Education

  • Developer
    42

Skill set

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