About Guillaume
French
Native or bilingual
Experience
- PsyKeriaFOUNDER • AI / HEALTHTECH SAAS ENGINEERApril 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 andreflection)› 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 transferEnvironment: 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 ENGINEERMarch 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,
- GroupamaSENIOR DATA ENGINEERFebruary 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 methodologyEnvironment: 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
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master Business Intelligence2017Master Business Intelligence
- Big DataBig Data