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

Hervé Costil

Expert Trainer Python, Scala & Apache Spark

€750/day
4 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Hervé

I am a freelance trainer specializing in **Python**, **Scala**, and **Apache Spark**, with over 20 years of experience in software development and data engineering.
I support companies, technical teams, and professionals in career transition in upskilling on the key technologies of **Big Data**, **Data Engineering**, and **functional programming**.

Areas of Expertise
  • Python: advanced programming, data science, automation, unit testing, code best practices.
  • Scala: functional paradigms, advanced typing, distributed systems design.
  • Apache Spark: RDD, DataFrame, Spark SQL, performance optimization, cluster deployment.
  • Data Engineering: ingestion, transformation, data pipelines, orchestration (Airflow, etc.).
  • Custom training: content adapted to business needs, practical workshops, post-training support.
Target Audience
  • Developers looking to specialize in data engineering.
  • Technical teams adopting Spark or Scala in their projects.
  • Professionals transitioning to data roles.
  • Companies seeking to internalize Big Data skills.
My Strengths
  • Practical and real-world case-oriented teaching approach.
  • Field experience in companies and professional training.
  • Ability to simplify complex concepts.
  • Adaptation to both beginner and advanced levels.
Modalities
  • Format: remote (video conferencing) or in-person at the company
  • Type: in-company training, custom, or intensive bootcamps
  • Training materials provided: Jupyter notebooks, PDFs, practical exercises, real cases
Want to upskill your teams on Python, Scala, or Apache Spark?
Contact me directly via Malt to discuss your custom training needs.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Ivory tower
    Custom Python-Spark Training
    March 2025 - March 2025
    Lyon, France
    3-day custom training on Python Spark and Databricks for Ubisoft Ivory Tower as a freelancer.
  • Pythagore F.D.
    Python Training
    October 2024 - October 2024
    Paris, France
    Led a Python training focused on data science (NumPy, Pandas, Malplotlib, ScikitLearn, Tensorflow).
    Python Data science Machine learning
  • Pythagore F.D.
    Malt logoOn Malt
    Trainer
    June 2024 - June 2024
    Led a Spark training.
    Python Big Data Scala Spark NLP

Reviews

5.0

Out of 1 rating

V

Véronique

Pythagore F.D.

Reviewed on 4/18/2025

Mission perfectly executed, both technically and relationally. Hervé adapted the service to the specific requests of the clients: it's perfect!

Recommendations

Be the first to recommend Hervé

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

  • Engineering Degree - Software Engineering Option
    Ecole des Mines de Nantes
    1999
  • DEA (Advanced Studies Diploma)
    University of Nantes
    1999

Certifications

Skill set

Categories