Freelancer profile translated to English.

Description

Fullstack Engineer specializing in Python Backend, I help companies (start-ups, SMEs, and large enterprises) build sustainable and high-performing solutions.

My experience is field-proven. I've worked within high-growth scale-ups (growing from 50 to 250 employees at CybelAngel, and from 500 to 750 employees at Ledger). I understand the technical challenges associated with scaling a company.

🎯What I can do for you

**Backend Architecture & Development**: Creation of robust RESTful APIs (FastAPI, Flask)
**Database Design**: Modeling and optimization (Redis, PGSQL, MongoDB)
**Scalability & Performance**: Monolith to microservices transition, distributed cache management, and big data processing
**Fullstack Development**: Creation of responsive and modern interfaces (React, Tailwind) for your dashboards or internal tools.
**Quality**: Best testing practices (pytest), automated tests, CI/CD

🛠My technical skills

**Languages**: Python (Strong expertise 🐍), Javascript, Java, Go
**Backend Frameworks**: FastAPI, Flask, Celery
**Frontend Frameworks**: React.js, Tailwind CSS, RTK Query
**Databases**: PostgreSQL, MongoDB, Redis
**Others**: AWS (S3), GCP (PubSub, BigQuery), RabbitMQ

📞Contact me to discuss your project!

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Ledger
Backend Software Engineer
BANKING AND INSURANCE
October 2021 - March 2024 (2 years and 5 months)
Paris, France
Contributed to a self-custody solution to secure & manage crypto assets for corporations combining software and hardware (secure element, HSM), like a company wallet with heavy traceability
- Added governance rules to prevent employees to send requests without the approval of several other employees
- Added blocking reasons to prevent employees to send specific type of requests depending on the situation (i.e. if there's X pending transactions)
- Improved the integration of crypto assets by implementing a generic architecture to reduce the need for code change for all future coin integration
- Contributed to a REST API using FastAPI to allow companies to use their own user interface with our solution
FastAPI external-api-integration flask PostgreSQL Python
CybelAngel
Backend Software Engineer
SOFTWARE PUBLISHING
November 2018 - August 2021 (2 years and 9 months)
Île-de-France, France
Contributed to a cybersecurity solution to proactively detect data breaches, leaks, and other digital risks by searching on all data sources (file servers, databases, cloud storages, versioning tools, …) in real-time, processing over millions of documents, and alerting customers with tailor-made report for each of them.
- Developed a service to scrape git repositories for specific keywords on demand using workers with Celery, and a web application to browse easily through the results for internal employees (with multiple search options to search specific branches, date limit, …)
- Improved the domain protection solution to detect different types of frauds (TLD variations, homoglyphs, twists, subdomains, …)
- Permitted to perform quick & customized exposure scan on over a year of data for prospections with a risk-score for each of them
RabbitMQ Celery Python Elasticsearch Redis
Vialink
Full-stack Software Engineer
BANKING AND INSURANCE
September 2017 - August 2018 (11 months)
France
Contributed to a K.Y.C. solution for banks to verify the identity of their customers, the authenticity of their documents and accelerate the administrative process of bank advisors (i.e. for all new customers onboarding):
Improved the identity verification by cross-checking data from different documents and through certified national database
Eased the administrative process by using an OCR to read the documents from pictures and displaying all data for them to copy-paste with a confidence score
Validated the authenticity of all documents with different parameters (format, colorimetry, coherence)
Java Spring boot JavaScript Python PostgreSQL