Freelancer profile translated to English.

Description

Versatile engineer with 10 years of experience in designing and implementing complete data processing and web development solutions. CCA 175 certified with expertise in Big Data technologies (Scala, Spark, AWS, Airflow) as well as backend and frontend application development with Spring Boot and JavaScript. Ability to manage complex projects, optimize data pipelines, and develop performant, robust, and scalable applications. Strong results orientation and proven experience in Agile/DevOps methodologies.

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

DECATHLON SE
Data Engineer
SPORTS
September 2022 - June 2024 (1 year and 9 months)
Lille, France
Within the Data Stock team, our mission is to support our users in the best possible management of the company's stock. From component creation to product sale, we track the entire stock journey in its global chain. Our indicators are used by production, supply chain, retail, and finance.

- Implementation of data pipelines
- Scheduling of Spark jobs with Airflow
- Documentation of technical components
- Optimization of jobs after analysis of Spark DAGs
- Implementation of REST APIs
- Onboarding of new team members
- Mentoring juniors in the team
- Code review / Optimization / Refactoring / MobProg- Good Development Practices (SOLID / DRY/ Design Patterns)
- Task breakdown and allocation with Scrum Master / Product Owner
- RUN Management (Reliability)
- Monitoring with Datadog
- Team: ~ 10 members (Agile/SCRUM) Technical Environment: Java 11, Python3, Databricks, Apache Spark, Github, Spring Boot, Github Actions, Amazon AWS, Redshift, Apache Airflow, Kubernetes, PostgreSQL, SonarQube, Datadog
Apache Spark MLlib AWS Airflow Python Scala Spring boot Datadog Spark SQL Apache Druid
My Money Bank
Data engineer
BANKING AND INSURANCE
January 2022 - August 2022 (8 months)
Paris, France
- Integration of accounting data into AI Suite (Axway Accounting Integration Suite)

- Implementation of a data pipeline with Spark / AWS on the group's Datalake
- Scheduling of Spark jobs with Airflow
- Writing technical documentation
- Optimization of jobs after analysis of Spark DAGs
- Implementation of Java batches with Spring
- Onboarding of new team members- Mentoring juniors in the team
- Code review / Optimization / Refactoring
- Good Development Practices (SOLID / DRY/ Design Patterns)
- Task breakdown and allocation with Scrum Master / Product OwnerTask breakdown and allocation with Scrum Master / Product Owner
- Team: ~ 8 members (Agile/SCRUM)
Apache Spark MLlib Airflow Amazon Web Services Java Scala Gitlab PostgreSQL Kibana Python
Société Générale
Fullstack / Data Engineer
BANKING AND INSURANCE
October 2018 - October 2021 (3 years)
Fontenay-sous-Bois, France
- Study and implementation of data pipelines (Volume ~30 million operations/day)
- Data ingestion
- Mapping of payment methods (Bluebook)
- Intraday statistics
- Payment anomaly detection / Anti-Fraud
- Implementation of data pipelines
- Extraction of banking operations
- Corrective/Evolutionary maintenance - Continuous Integration, Qualimetry (Jenkins, SonarQube)
- Test Driven Development (JUnit, Mockito)-
- Data streaming (POC)
- ETL job scheduling (Oozie, Crontab)
- CI/CD for automatic job deployment
- Software Craftsmanship
Java Scala Apache Spark MLlib Angular Spring boot Hadoop JavaScript PostgreSQL Linux REST