About Zakaria Abdelmoumen
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Experience
- FreelanceData / Python ConsultantCONSULTING AND AUDITSAugust 2025 - February 2026 (6 months)Brussels, BelgiumDesigned and implemented Python backend logic and data extraction tools to support business reporting needs.Optimized PostgreSQL databases (indexing, query tuning) to handle growing data volumes and improve performance.Delivered reliable, documented solutions with a focus on maintainability and clear handover.
- Djezzy OTASenior Data EngineerTELECOMMUNICATIONSAugust 2022 - July 2025 (2 years and 11 months)Algiers [El Djazaïr], AlgeriaBuilt and maintained high‑throughput ETL pipelines processing millions of records daily, reducing execution time by ~40%.Implemented real‑time data processing and monitoring using Apache NiFi to improve system reliability and troubleshooting.Automated complex operational workflows using SQL and scripting, reducing manual intervention and risk.
- NATIONAL GENDARMERIE R&D CENTREWeb & ML Developer (R&D)PUBLIC SAFETYSeptember 2021 - June 2022 (9 months)Algiers [El Djazaïr], AlgeriaDeveloped end‑to‑end data‑driven applications, from Python backend to simple user interfaces.Integrated machine‑learning models into production systems to support decision‑making use cases.Delivered functional prototypes with clear documentation for non‑technical stakeholders.
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Education
- InformatiqueEcole nationale Superieure d'Informatique (ESI) Diplôme d'ingénieur2022Informatique
Certifications
- Google Data AnalyticsGoogle2024