Rachid EL MAAZOUZ

Software Engineer - Senior Data Engineer

relmaazouz@proton.me
+33 6 24 01 00 36
rachid-el-maazouz
relmaazouz
Professional Experience

Senior Data Engineer

Candriam

Sep 2024 - Present

  • Designed and implemented scalable data ingestion frameworks in PySpark, driven by metadata, for large-scale pipelines
  • Developed a robust data quality framework ensuring completeness, consistency, and reliability
  • Built and optimized ETL/ELT pipelines (ingestion, transformation, loading) following medallion/lakehouse architecture
  • Engineered and deployed data APIs with FastAPI enabling low-latency access for quants and analysts
  • Designed and delivered a data testing framework for automated validation and performance benchmarking
  • Worked in Azure cloud environment (Data Lake, Synapse, Delta, Pipelines, Terraform, DevOps)
  • Collaborated with risk teams to deliver fit-for-purpose data products supporting analytics and trading
PySparkFastAPIAzureSynapseDeltaTerraformAzure DevOps

Senior Data Engineer

Informatique CDC

Aug 2023 - Sep 2024

  • Implemented business use cases: data structures, CI/CD pipelines, PySpark jobs
  • Established development best practices: GitFlow, CI/CD workflows, automated testing
  • Modeled and implemented Data Vault architecture across ingestion and datamart layers
  • Developed large-scale ingestion, transformation, and exposure jobs in PySpark and Python
  • Integrated external market and risk data sources (Bloomberg, ratings, etc.) via Kafka
  • Worked with Cloudera ecosystem (Hive, Spark, Kafka) with Jenkins, Control-M, Bitbucket
  • Delivered reliable data products supporting business and risk management
PySparkPythonKafkaClouderaHiveSparkJenkinsControl-MBitbucket

Data Engineer

Crédit Agricole

Nov 2021 - Jun 2023

  • Maintained operations of large-scale Data Lake on MapR (Hive, Hadoop, Sqoop, Tez, Oozie, PySpark)
  • Developed ingestion, transformation, and exposure jobs in PySpark for high-volume datasets
  • Led migration and redesign of Data Lake with new zoning and pipelines
  • Translated and optimized legacy Hive SQL scripts into Oracle SQL
  • Automated ODI object generation via Python scripting
  • Implemented automated data validation frameworks
  • Containerized and deployed applications with Kubernetes and ArgoCD
PySparkHiveHadoopSqoopTezOozieOracle ODIKubernetesArgoCDControl-MGit

Consultant Data

Informatique CDC

Nov 2020 - Oct 2021

  • Gathered requirements for eFront FIA migration and defined new data models and workflows
  • Authored detailed technical specifications for transaction mapping and codification framework
  • Extracted and transformed data from FIC using Front Script (funds, investors, companies, instruments, transactions)
  • Implemented a PostgreSQL-based data hub for transaction and fund exchanges with AWS S3 integration
  • Developed custom Spring Boot web application to support valuation workflows
  • Worked in hybrid environment with SQL Server, PostgreSQL, Kafka, AWS S3, Spring Boot, eFront FIA
PostgreSQLSQL ServerKafkaAWS S3Spring BooteFront FIA

Data Engineer

Consolis Group

Jul 2018 - Sep 2020

  • Designed and developed a financial performance data lake on Google BigQuery
  • Built ingestion pipelines from subsidiaries using Pub/Sub and enriched data in transformation layers
  • Developed dashboards and reports in Data Studio for business stakeholders
  • Worked within the Google Cloud Platform ecosystem (BigQuery, DataProc, Composer, Cloud Storage)
BigQueryPub/SubDataProcComposerData StudioCloud Storage

Data Engineer / Python Developer

Inwi

Aug 2016 - May 2018

  • Installed and configured Hadoop ecosystem (Ambari, RHEL, Kafka, HBase, Hive)
  • Built real-time ingestion pipelines with Apache Flink to process CRM, CDRs, HLR, VLR, PPS data
  • Designed datamarts for network, equipment, voice/SMS/MMS, mobile, and customer datasets
  • Prepared enriched customer datasets (social networks, geolocation, call/SMS history) for churn prediction
  • Developed interactive visualizations (time-series, bubble charts, word clouds) for business metrics
HadoopKafkaHBaseHiveApache FlinkPySparkAmbari

ERP Developer

OCP

May 2014 - Aug 2016

  • Developed analytical and operational reports with SQL, PL/SQL, and XML Publisher
  • Customized and built reporting interfaces with Oracle OAF and Oracle Forms
  • Developed APIs and web services to integrate Oracle ERP with legacy systems
Oracle E-Business SuiteSQLPL/SQLOracle OAFOracle FormsXML Publisher

Software Engineer

S2M

Aug 2013 - Apr 2014

  • Designed data schemas and exchange interfaces to integrate core banking data
  • Defined application and data architecture for e-banking system
  • Developed and deployed APIs and services (authentication, transfers, statements, payroll) for secure real-time banking
JavaSpring WebHibernateOracle DBPostgreSQLApache CXFJenkinsHTML5
Education

Masters in Financial Markets and Capital Management

CNAM

September 2025

Sep 2023 - May 2025

Software Engineer

Mohammadia School of Engineers

Jully 2013

Sep 2023 - May 2025

Certifications

GCP Professional Data Engineer

Google

August 2023

MongoDB Certified DBA

MongoDB

September 2022

Passionate about building scalable data platforms and solving complex problems through code.