Freelancer profile translated to English.

Description

Senior Software Engineer passionate about designing scalable architectures and technically leading teams. 5+ years of experience in full-stack and microservices development, with proven expertise in modernizing legacy systems and delivering high-volume solutions. Specializing in: microservices architecture, asynchronous messaging (RabbitMQ), PostgreSQL optimization, and technical leadership. Strong business impact: automation reducing timelines by 80% and improving code coverage by +35%. Mentoring 5+ junior developers.

Languages

Arabic
Native or bilingual
French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

TotalEnergies
Senior Backend Engineer
ENERGY AND UTILITIES
May 2025 - Today (1 year and 2 months)
La Défense, France
▸ Design and deployment of microservices architecture for a high-volume customer loyalty platform
▸ Technical leadership and definition of architectural patterns for backend team (6+ developers)
▸ Integration of asynchronous messaging (RabbitMQ) for service decoupling and latency reduction (-40%)
▸ Optimization of PostgreSQL database performance (queries, indexing, caching)
Stack: NestJS, Node.js, RabbitMQ, PostgreSQL, Docker, AWS, TypeScript
Redis Git Docker Claude Code NestJs
Capgemini - RATP
Senior Full-Stack Engineer / Tech Lead
TRANSPORTATION
May 2024 - May 2025 (1 year)
Paris, France
▸ Technical leadership of an internal application (RATP agent leave & transfer management)
▸ Mentoring a multidisciplinary team (2 developers, 1 QA, product owner)
▸ Refactoring backend architecture for scalability and maintainability
▸ Implementation of code review process → improvement of code quality (+35% test coverage)
▸ Result: Reduction of transfer processing time from 15 days to 3 days (HR process automation)
Stack: Node.js, Express.js, React, TypeScript, PostgreSQL, Sequelize, AWS S3, Jest, Docker
React.js Jira PostgreSQL Design System Fastify
Capgemini - RATP
Full-Stack Engineer
TRANSPORTATION
June 2022 - May 2024 (1 year and 11 months)
Paris, France
▸ Design and full-stack development of 2 interconnected applications (500+ active users)
▸ Driver App: automation of transfer requests (80% reduction in administrative time)
▸ HR App: transfer management dashboard with real-time reporting
▸ Implementation of testing strategy (Jest, 70%+ coverage) and API documentation (Swagger/OpenAPI)
▸ Supervision of junior developers and participation in CI/CD process (Gitlab)
Stack: Node.js, Express.js, React, TypeScript, PostgreSQL, Sequelize, AWS S3, Git, GitLab
Node.js Git React.js NestJs PostgreSQL