Tayeb SAIDI
SENIOR DATA ENGINEER
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Senior data engineer specialised in large-scale Spark and Delta Lake pipelines on Databricks, with strong Airflow orchestration and cloud platform experience. Skilled in designing scalable lakehouse architectures, building reliable ingestion frameworks for complex data formats, and delivering high-quality, feature-ready datasets for analytics and machine learning. Comfortable owning data platforms end-to-end — from architecture through deployment, observability, and cost optimisation.
Work experience
Senior DataOps Engineer
EDF power solutions
Aug 2024 - Present
2 years 3 months
Paris, France
Designed Delta Lake architecture and Databricks pipelines for ~5 TB/week of industrial sensor data (vibration, environmental, operational logs), organised as a medallion architecture (bronze / silver / gold). Built ingestion frameworks for complex formats (TDMS/UFF, compressed archives), ensuring deterministic ingestion and consistent schema evolution across large datasets. Owned the full Airflow platform (ECS + Terraform) — wrote and maintained Terraform modules, plus security hardening, observability, multi-environment operations, and deployment governance. Set up and operated Unity Catalog for data governance — centralised access management, lineage tracking, and rowlevel security across Databricks workspaces. Migrated legacy workflows from Step Functions to Airflow and designed new pipelines using custom operators, schema validation, and lineage rules. Reduced compute costs through pre-execution checks that avoid unnecessary Spark cluster runs, Spark performance tuning (partitioning, broadcast joins), and weekly Z-Ordering to optimise upserts and read performance. Worked closely with data scientists and analysts to provi
iBanFirst
Jun 2018 - Aug 2024
6 years 3 months
Paris, France
Software Engineer - Tech Lead
Dec 2022 - Aug 2024
1 year 9 months
Paris, France
Led data, automation, and cloud initiatives as iBanFirst scaled — understanding products end-to-end, identifying bottlenecks, and designing data-driven solutions to improve efficiency and accuracy across the platform. Consumed events from Kafka to compute client treasury and cash positions in real time, feeding exposure and risk-monitoring pipelines. Built a data ingestion and record-keeping system collecting records from multiple sources (including phone-order call recordings) — storing objects in S3 with structured object metadata in PostgreSQL. Built voice-analysis data pipelines using Whisper (OpenAI) to process sales calls for insights, fraud detection, and performance optimisation. Built AI-powered data automation workflows using Azure AI (document/image parsing → structured JSON), reducing manual effort and accelerating onboarding by 20+ hours per new client. Designed risk-monitoring and reporting systems tailored to trading packages, while providing technical leadership across backend and cloud initiatives.
Data Engineer
Jan 2020 - Dec 2022
3 years
Paris, France
Full data engineering role in a scale-up fintech — monitoring product performance, detecting anomalies, building ingestion pipelines, and consolidating fragmented data sources into a unified lake for analytics and reporting. Built ingestion and transformation pipelines for structured and semi-structured data, with data-quality, validation, and observability checks. Consolidated legacy data sources into a unified lake architecture, enabling analytics at scale. Developed and maintained REST APIs (Flask, FastAPI, Spring Boot) to expose validated datasets to internal and external products. Implemented the Banque de France fraud-reporting pipeline, ensuring accurate, timely, and compliant submissions.
Software Engineer
Jun 2018 - Jan 2020
1 year 8 months
Paris Area, France
Built practical foundations across data engineering, growth, and web development in a fast-moving fintech environment. Data Engineer apprentice (1 year) — integrated external APIs to enrich the data lake and built pipelines with the analytics team. Growth Hacker intern (6 months) — data mining via web scraping and CRM enrichment through external APIs. Web Developer intern (6 months) — contributed front-end tools to the iBanFirst website.
Education
HETIC
Master's degree, Data & AI, Information Technology
2017 - 2020
3 years 1 month
Sciences and Technology University of Oran - Mohamed Boudiaf (USTO-MB)
Licentiate degree, Mathematics
2012 - 2015
2 years 10 months