You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Guillaume PassinayGP

Guillaume Passinay

Data / AI Engineer

€556/day
Angers, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Guillaume

  • French

    Native or bilingual

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

Experience

  • PsyKeria
    FOUNDER • AI / HEALTHTECH SAAS ENGINEER
    April 2025 - Today (1 year and 3 months)
    Design and complete architecture of a SaaS platform dedicated to psychologists and clinical experience. Real traction: more than 600 users.
    ACHIEVEMENTS
    › Product vision, technological choices, and environment structuring
    › Building a specialized AI for psychologists (clinical assistant, structured analysis, help with therapeutic writing and
    reflection)
    › Development of complementary AI agents: data scraping, business automations, multi-source orchestration, RAG
    › Full-stack development (backend, frontend, API integrations) and business-use-centric UI/UX design
    › Automated creation of avatar videos via AI
    › Cloud deployment on AWS (infrastructure, CI/CD, scalability, monitoring), production launch, and industrialization
    › Securing health data and HDS compliance
    › Technical documentation, structuring best practices, and knowledge transfer
    Environment: Python, FastAPI, Next.js, Flutter
    • · LLM (Claude, Gemini), RAG, AWS Bedrock, Hugging Face, vLLM
    ◦ · code agents (Claude Code, Codex)
    • · AWS (Lambda, S3, CloudFront, Aurora, Bedrock), GCP
    ◦ · REST API, Docker
    ◦ · SaaS, AI / NLP, GDPR, HDS,
  • CANAL+
    SENIOR DATA ENGINEER
    March 2022 - March 2025 (3 years)
    Improvement of data quality and analysis of MyCanal content consumption within the Data department.
    ACHIEVEMENTS
    › Development of a data quality measurement and evaluation tool to improve the quality of data received and produced within the Data department
    › Development of third-party applications for analyzing MyCanal content consumption
    › Industrialization of data pipelines on AWS (S3, Lambda), orchestrated with Airflow
    › Data modeling and exploitation in Snowflake for analytics needs
    › Implementation of continuous integration (GitLab CI) and infrastructure as code (Terraform)
    Environment: Scala, Spark, Python, AWS (S3, Lambda), Airflow, Snowflake, GitLab CI, Terraform, Data Quality, Analytics,
  • Groupama
    SENIOR DATA ENGINEER
    February 2021 - February 2022 (1 year)
    ACHIEVEMENTS
    › Development of data transformation pipelines from various source systems (batch and real-time)
    › Industrialization of projects up to production launch
    › Development of integration tests and optimization of processing performance
    › Implementation of a performance testing tool (load testing according to target objectives)
    › Incident analysis and resolution (job monitoring, log analysis)
    › Contribution to documentation, Agile Scrum methodology
    Environment: Cloudera, Scala, Spark Streaming, Kafka, Hadoop, Mesos / Yarn, Kerberos, Oozie, Git, Maven, Spring Boot,

Recommendations

Be the first to recommend Guillaume

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master Business Intelligence
    2017
    Master Business Intelligence
  • Big Data
    Big Data

Categories