Djelloul OUZAÏCH
Analytics Engineer / Data-BI & AI
Salaire / Taux journalier
Achères, France
Freelance, ouvert au CDI
Peut venir sur site
Expertises
Langues
À propos
Introduction
Analytics Engineer / Data & BI — 13+ ans d'expérience chez Bouygues Télécom, avec une expertise en ingénierie data. Je conçois et déploie des dashboards et pipelines de pilotage KPI sur des enjeux réseau critiques (taux de coupure FTTH, délai prévisionnel de rétablissement des incidents ...), utilisés quotidiennement par plusieurs équipes opérationnelles pour fiabiliser la qualité de service. Stack technique : DBT, SQL, PySpark, BigQuery, Snowflake, Airflow, Tableau, Redash, Langgraph.
Expérience de travail
Analytics Engineer
Bouygues Télécom
févr. 2022 - juin 2026
4 ans 5 mois
78140 Vélizy-Villacoublay, France
▸ Design and development of data pipelines (PySpark, BigQuery, Airflow) to compute and deliver FTTH network quality KPIs to 4 operational teams. ▸ Modelling and implementation of daily indicators (outage rate, DPR) with data quality controls and automated anomaly alerting. ▸ Development and deployment of business-oriented Tableau dashboards; operational maintenance of reporting tools and pipeline documentation. – Tech Stack: SQL, PySpark (Notebook), Tableau Software, TimescaleDB, Airflow, Redash
Bouygues Télécom
mai 2013 - mars 2021
7 ans 11 mois
78140 Vélizy-Villacoublay, France
Study & Development Engineer
mai 2015 - mars 2021
5 ans 11 mois
78140 Vélizy-Villacoublay, France
– Real-time database: refactoring of the Oracle database to isolate real-time WS flows; implementation of a synchronization mechanism and a supervision engine – Lorient (FTTH): design and development of an application for managing technician appointments in PL/SQL; mediation platform between applications, billing calculation, and client notifications – Neighbor Check / eMutation: verification of non-degradation of neighboring clients after FTTH connection; definition of reference KPIs and optimization of architecture for response times – Superfix: monitoring the lifecycle of Bouygues Box clients (subscription -> termination); ADSL/FTTH technical repository, automatic ticket opening via Webservice – Environment: Oracle 11g, PL/SQL, C# (Visual Studio 2012/2017), SQL Server, SoapUI, Swagger
GIS Study & Development Engineer
mai 2013 - mai 2015
2 ans 1 mois
78140 Vélizy-Villacoublay, France
– Provision of coverage maps and network indicators (2G/3G/4G/4G+) for operational teams – Reliability improvement of the production chain, development of new evolutions in C# and Esri ArcObjects – Application deployment and publication of cartographic data – Environment: Visual Studio 2010, Oracle 11g, C#, Esri ArcGIS Server 10.1, Atoll
Intern Engineer
H21 Technologie
sept. 2011 - mars 2012
7 mois
Nîmes, France
– Low-level development on microcontrollers in C – Development of a synthesis tool in C#; product testing, integration, and validation
Formation
CEGEFOS Numérique Académie
Data Engineering, Data Engineering
2021 - 2021
5 mois
– Big Data Azure Architecture (Data Factory, Synapse Analytics, Data Lake, Power BI, PySpark)
AFCEPF
IT Analyst, IT Analysis
2012 - 2013
7 mois
Université Versailles Saint-Quentin (UVSQ)
Master 2 Pro CSER, CSER
2010 - 2012
1 an 7 mois
USTHB, Alger
Engineering Diploma, Electronics, Control option
2005 - 2010
4 ans 11 mois
Licences et certifications
SnowPro Core Certification
Délivré le : oct. 2026
Portfolio
Telecom Analytics Platform
Analyse financière
