Freelancer profile translated to English.

Description

Lead Backend Developer with 6 years of experience specializing in the design of scalable cloud architectures and the implementation of data-driven solutions. Technical expertise in Python, IaaS infrastructures (GCP), and automation with Terraform. Passionate about system performance optimization and the implementation of DevOps/DataOps best practices. Strong experience in technical management of multidisciplinary teams and delivery of complex projects in an Agile environment.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Veolia,
Lead Backend and Data Developer
ENVIRONMENTAL
February 2022 - Today (4 years and 4 months)
93300 Aubervilliers, France
Within the Digital Factory team, I led the design and evolution of several strategic data platforms for the group's digital transformation, with an approach focused on scalable architecture and technical excellence.
• Project 1:❖ Design of a microservices architecture with 12+ FastAPI APIs deployed on Cloud Run ❖ Infrastructure automation via Terraform (100+ managed GCP resources) ❖ Implementation of a Redis cache system ❖ Development of a real-time calculation engine for drilling analysis (processing of 5M+ points/day) ❖ Creation of Workflow pipelines for consumption data aggregation ❖ Implementation of Cloud Functions triggers on GCS storage ❖ Configuration of dashboards for performance monitoring ❖ Alerting on data anomalies
• Project 2:❖ Design of a KPI calculation engine based on BigQuery rules ❖ Backend architecture for KPI validation and provision ❖ Update and optimization of BigQuery queries ❖ Processing of calculation rules inspired by BigQuery syntax ❖ Bug management ❖ Monitoring of functional evolutions requested by the PO
• Project 3:❖ Design of high-frequency data pipelines ❖ Integration of external APIs ❖ Data retrieval and aggregation pipeline ❖ Modeling of energy savings (robust linear regression and regression trees) ❖ Bug management and pipeline optimization ❖ Development and deployment of ML pipelines ❖ Analysis of endogenous variables for savings prediction

• Management: ❖ Facilitation of Agile rituals (Daily, Planning, Retrospective) ❖ Training juniors in DEV/GCP best practices ❖ Collaboration with POs to prioritize backlogs

Technical Environment: Python, Flask, JS, HTML/CSS, AJAX, Machine Learning, DataViz, FASTAPI, Pytest, GCP, BigQuery, Firestore, Cloud RUN/Functions, Workflow, Cloud Run Jobs, BQML
Methodology: Agile(Scrum/SAFe)
ODDO BHF
Python and Data Developer
BANKING AND INSURANCE
February 2019 - January 2022 (2 years and 11 months)
Tunis, Tunisia
Within the Innovation team, I work as a Python developer in data collection, analysis, interpretation, and the creation of web applications. I also have a number of cross-functional responsibilities, including maintaining architecture documents, mentoring interns and new hires, contributing to cost and workload estimation, and participating in client needs specification.
● Project 1: Project Management Application
❖ Development of a project management application
❖ Creation of a resource management module
❖ Implementation of a task entry module for tracking different team members
● Project 2: Anomaly Detection Application
❖ Training Isolation Forest models on historical data
❖ Deployment of the model as an API service with autoscaling
❖ Implementation of a feedback system for automatic retraining
● Project 3: Internal Search Engine based on Natural Language Queries
❖ Development of an ETL pipeline for 10+ data sources
❖ Implementation of semantic similarity algorithms
❖ Django admin interface for synonym management
● Cross-functional Responsibilities
❖ Recruitment and onboarding of new developers
❖ Standardization of CI/CD practices across projects
❖ Monthly technology watch for the team

Technical Environment: Python, Django, JS, HTML/CSS, AJAX, Machine Learning, NLP, DataViz
Methodology: Agile(Scrum)