About Franck Cussac
Currently at Hymaïa since April 2022, Franck holds the position of Data Engineer and Trainer. In this role, he is responsible for designing, building and maintaining data pipelines, as well as training teams on data engineering best practices.
Previously, at Publicis Sapient France from March 2019 to April 2022, Franck worked as a data engineer, where he contributed to implementing data processing solutions and deploying Big Data infrastructure for clients across various industries.
At DataFab from September 2017 to March 2019, Franck was involved in data streaming, database migration and software development projects in an environment combining data engineering and machine learning.
He also gained experience as a Data Engineer intern at Société Générale, where he worked on building Big Data tools and implementing the DevOps approach for the company's Big Data services.
Alongside his studies, Franck also worked as a fullstack developer for the Association Isikhna, where he contributed to building an educational Android app to help children learn to read, write and count on their own.
His philosophy is to always see a project through to the end, which is why Franck has developed his technical skills across the entire software development lifecycle.
Franck spoke at the Forward.
Trainer for these courses
Apache Airflow
How do you industrialize your data workflows with Apache Airflow? From building DAGs to production monitoring, master the market's most widely used orchestrator with sound industrialization practices.
Data Engineering on AWS
Want to become autonomous in building robust, scalable data architectures on AWS? From Cloud fundamentals to Data Engineering patterns, master the AWS ecosystem through real-world lessons drawn from client projects.
Spark for Developers
Are you a developer looking to master the highest-performing distributed processing framework? From theoretical foundations to cloud deployment, build hands-on expertise in Apache Spark.
Author of these articles
Tracking data access in AWS
How to track and audit read access to data on AWS (S3, Athena) with CloudTrail, EventBridge, Lambda and Firehose.
June 24, 2025
Apache Spark benchmark: preparing the TPC-DS test
Spark benchmark: Yarn vs Kubernetes. Preparing the TPC-DS test and choosing the dataset.
May 12, 2025
PySpark & Pandas DataFrames: very similar in use, very different under the hood
PySpark vs Pandas DataFrames: very similar in use, but very different internal mechanics.
May 12, 2025
Optimizing your Spark job
10 concrete ways to reduce your Spark job's execution time.
May 12, 2025
Poetry: configuring private GCP repositories
Configuring Poetry with a private Python repository on GCP Artifact Registry, step by step.
May 12, 2025
Spark: when to cache a DataFrame?
When and how to use Spark caching on your DataFrames for real performance gains.
May 12, 2025Their videos
Kubernetes en 1h pour les dev
Video
Comment dynamiser vos DataFrames Spark ?
Video
Comment sortir de l'enfer des dépendances Python?
Video
Le plus petit conteneur Docker en 1h
Video
Les patterns classiques d'AWS en 1h
Video
[Meet] Franck - Data Engineer
Video
Python ou Scala ? Le match avec Spark UDF en 1h
Video
Polars : la fin de Spark ?
VideoTheir talks
Forward Data Conference 2025
The Forward brought together 500+ Data & AI practitioners. This edition started from a reality the whole industry is living: AI is transforming what teams build, for whom, and how. The lines with software engineering, product and business have never been so thin.
Hymalive - Franck part en Live
A 1-hour tour of a Data Engineer's daily life, with craft practices
Webinar Data Engineering sur AWS
This short webinar aims to give you a glimpse of the Data Engineer role using the technologies offered by AWS.