Freelancer profile translated to English.
Back to original languageAbout Driwech
Expert in cloud solutions and architectures, I design and develop data architectures in line with business needs, FinOps challenges, and the company's overall strategy. As a technical leader, I support teams and work on technically complex subjects.
Functional expertise in the utilities and energy sector, covering operational, technical, and commercial data: field interventions, equipment, remote meter reading, alarms, service points, customer data, contracts, billing, and financial transactions.
Complementary experience in the finance sector, acquired through projects for banks and insurance companies, focusing on the processing and valuation of financial data.
English
Fluent
Spanish
Conversational
French
Fluent
Can work on-site
Paris (up to 50km)
Experience
- VeoliaTechnical Lead | Data ArchitectENERGY AND UTILITIESJanuary 2025 - Today (1 year and 6 months)Ile-of-France, FranceImplementation of a centralized analytical foundation to standardize data access, harmonize user experience, and provide reusable business objects for reporting and analysis needs:
- Analysis of business needs and understanding of the functional context.
- Drafting of technical specifications and the technical architecture document.
- Design and implementation of the Medallion / One Big Table architecture.
- Definition of the strategy for creating and enriching business objects.
- Drafting of the data modeling repository, describing architectural principles, management rules, naming conventions, business definitions, and decision trees for the evolution of the analytical foundation.
- Definition of development standards and team best practices.
- Design, transformation, and industrialization of business objects with dbt on BigQuery.
- Migration of data and applications from on-premise or GCP to S3NS.
- Adaptation of processes to ensure compatibility with S3NS constraints.
- Integration of GDPR requirements in data design and processing.
- Implementation of the release validation process: definition of the test plan, validation of unit tests, scenario tests, and non-regression tests before each deployment.
- Preparation, coordination, and validation of production deployments.
Implementation of a reporting tool with Superset:- Configuration of Superset and the connection to BigQuery.
- Implementation of SSO and LDAP authentication.
- Management of roles, permissions, and synchronization of access with the internal application.
- Securing data access through dedicated views per team.
- Development of monitoring dashboards (data freshness, data quality, availability, and process tracking).
- VeoliaData Engineer | GCP Technical ReferentENERGY AND UTILITIESOctober 2021 - December 2024 (3 years and 2 months)Ile-of-France, France
- Implementation of the data lifecycle from sources (oracledb, salesforce, postgres) to BigQuery for exploitation.
- Data transformation and processing with Cloud Run and Dataflow.
- Creation of dashboards for business reports.
- Implementation of data quality control mechanisms.
- Monitoring of monthly financial costs for our GCP projects.
- Drafting and maintenance of the data dictionary.
- Searching for personal data with GCP DLP.
- Traceability and monitoring of sensitive data with policy tags.
- Technical support to business teams.
- Daily monitoring of production environments.
- QuantHouseData EngineerNovember 2020 - March 2022 (1 year and 4 months)
- Migration of the Big Data platform from on-premises to AWS.
- Provisioning of AWS infrastructure with Terraform.
- Development of serverless functions in Python with AWS Lambda.
- Development of data processing pipelines with Spark and Akka.
- Configuration and orchestration of automated processes with Apache Airflow.
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Education
- National diploma in computer engineeringENSI - National School of Computer Science Engineering Computer Science2019
- Bachelor's degreeIPEIT - Preparatory Institute for Engineering Studies of Tunis2016Bachelor's degree