Rayann Hamdan
Senior Data Engineer
3 recommendations
Salary / Daily rate
3 people recommend
Paris, France
Mobility: Berlin, London
Freelance
Can come onsite
Skills
About me
Intro
Senior Data Engineer with 9+ years building scalable data pipelines and full-stack solutions. Proven expertise scaling massive throughput systems at Contentsquare, leading government digital transformation projects, and developing automated data integrations. Specialized in Python, Scala, Apache Kafka, and Kubernetes with a strong foundation in applied mathematics and machine learning. I deliver robust data infrastructure that drives measurable business impact.
Work experience
Senior Data Engineer
ContentsquareFreelance
Mar 2022 - Jan 2025
2 years 11 months
Paris, France
Senior data engineer in a 10-person team * Developing new third-party integrations * Scaling data pipelines to handle massive throughput increases * Building and maintaining new data pipelines
Senior Software Engineer
beta.gouv.frFreelance
Jan 2020 - Jan 2022
2 years 1 month
Paris, France
Lead developer of the Mobilic project, digitalizing regulation of the road freight sector * Building from the ground up 3 web-based products * Co-leading a french start-up d'état
Software Engineer
Alan
Sep 2018 - Dec 2019
1 year 4 months
Région de Paris, France
Cross-platform, full-stack web development. * Building a back-office tool for day-to-day operations * Conceiving and adding new services on the web site and mobile app * Integrating third party data through fully automated pipelines * Defining KPIs around customer support quality and building the tracking dashboards
Data Scientist / Data Engineer
MFG Labs
Feb 2016 - Oct 2018
2 years 9 months
Région de Paris, France
6 to 12-month missions around data, machine learning and applied mathematics. Examples : * Optimising container allocation for a fret forwarder * Building high-performance campaigns in real-time advertisement * Detecting view fraud on video platforms * Improving customer support through analysis of customer interactions
Quantitative Analyst Intern
Lyxor Asset Management
May 2015 - Dec 2015
8 months
Région de Paris, France
Statistical analysis of stocks and bonds markets * Conception and development of a backtesting tool for carry trade strategies * Study of new cross-asset complex strategies
Education
École Polytechnique
Diplôme d'ingénieur, Mathématiques appliquées
Université Paris Cité
Master 2 (M2), Statistiques mathématiques et probabilités