About Sammy
- Data Engineer and Data Analyst with over 10 years of experience in quantitative analysis and modeling in the fields of energy, emissions, and sustainability.
- Experienced in building and analyzing structured datasets and developing analytical models for public and private organizations.
- Currently focusing on applied data science, machine learning, and data engineering, with experience in building end-to-end Python pipelines and mentoring over 400 students in analytics and ML programs.
German
Native or bilingual
English
Native or bilingual
French
Native or bilingual
Spanish
Fluent
Italian
Fluent
Portuguese
Conversational
Arabic
Basic
Experience
- Catalyst Institute for Creative Arts and Technology GmbHData Engineering Pipeline with Python: ActiveCampaign API → BigQuery → Looker StudioEDUCATION AND E-LEARNINGAugust 2025 - September 2025 (1 month)Berlin, Germany
- Developed a Python pipeline to capture, clean, and loadActiveCampaignmarketing data intoBigQueryas automated time-series datasets for analysis.
- Created aLooker Studiodashboard with Google Sheets integration for real-time self-service reporting.
- Le WagonTeacher in Data Science, Data Analytics and Data EngineeringEDUCATION AND E-LEARNINGJanuary 2023 - Today (3 years and 5 months)Berlin, Germany
- Teaching data science, data analytics, and data engineering topics.
- Instructed over 400 students across more than 30 technical areas, including **data preprocessing**, **feature engineering**, **supervised learning**, and **model evaluation**.
- Mentored students on end-to-end analytics and **machine learning projects**, ensuring proper use of modeling pipelines and best practices.
- Self-hostedLinux Infrastructure and Secure Web PlatformDIGITAL AND ITJanuary 2025 - April 2025 (3 months)Berlin, Germany
- Deployed and managed anArch Linuxproduction server with hardenednetwork**, **firewall**, **TLS**, and secure remote access, hosting a public **WordPressplatform.
- ImplementedWireGuard**VPN**, backup, update, and monitoring routines to ensure secure and reliable operation of production services.
Reviews
Recommendations
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
- Bootcamp in Data ScienceLe Wagon2022Teilnahme an einem 9-wöchigen Vollzeit-Intensiv-Coding-Bootcamp zum Erlernen von Data Science mit Python: - Maschinelles Lernen und Deep Learning mit scikit-learn, TensorFlow, pandas, NumPy, Matplotlib - Datenprodukte mit Google Cloud Platform, MLflow, FastAPI, Streamlit, SQL, BigQuery - Statistik mit SciPy, seaborn und statsmodels
- MA and BA in Bioengineering, Environmental Sciences and TechnologiesUniversité Libre de Bruxelles2009Masterarbeit in analytischer Chemie: Untersuchung der oxidativen Eigenschaften eines atmosphärischen Plasmas