Mohamed Haithem Ben Hassen
Senior Front End Engineer | Micro-Frontend
Salaire / Taux journalier
Paris, France
Freelance
Expertises
Langues
À propos
Introduction
Senior Frontend Engineer with 6+ years building scalable web applications and modernizing legacy systems. Transformed outdated public transport platform to serve 50k+ daily users and implemented microfrontend architecture for insurance solutions. Specialized in React/TypeScript with expertise in real-time systems and performance optimization.
Expérience de travail
Senior Software Engineer
Allianz Trade
sept. 2022 - Présent
4 ans 2 mois
Paris, France
Development and improvement of a multi-tenant web App for insurance sales -Designed and implemented a scalable microfrontend solution using Nx + Module Federation to support new features and streamline future expansions. - Code auditing to determine the existing legacy code base's weak spots. - Propose new project structure, architecture to support new incoming features. - Review the code to insure code quality. - Collaborate with the product owner and client to come up with the best features possible. - Deploy to different environments. - Propose the optimal solutions to software / feature problematics, including UX/UI. - Anticipate error prone code. - Analyse and hotfix production anomalies. - Team level up and empowering. - Setup and implement E2E / automated tests with Cypress. - Migration of the Create React App to Vite.
Ste BrainStack
janv. 2019 - août 2022
3 ans 8 mois
Soliman, Tunisie
Frontend Web Developer
sept. 2020 - août 2022
2 ans
Soliman, Tunisie
-Modernized an outdated public transport solution into a React-based multi-tenant platform serving 50k+ daily users. -Developed a 5-tier access control module for user role management, enabling fine-grained permissions. -Leveraged WebSockets (sub-200ms latency) to create real-time interactions among users. -Implemented an interactive map using Leaflet to locate passenger stations and transport lines. -Achieved WCAG AA compliance to ensure accessibility and improved user inclusivity.
Full-stack Developer
janv. 2019 - oct. 2020
1 an 10 mois
Sousse, Tunisie
Designed and developed a real-time dynamic map to monitor audio management systems at train stations. Implemented a Publish/Subscribe messaging model (Apollo Server) for near-instant notifications and updates. Containerized front and back ends using Docker to streamline deployment, achieving a 98% success rate. Reduced resource consumption by 60% through efficient WebSocket channel management. Created front-end tests using Jest and Enzyme, enhancing reliability and maintainability.
Freelance
FreelanceFreelance
janv. 2018 - déc. 2018
1 an
Sousse Governorate, Tunisia
Development of an e-commerce website for dairy products: https://plaisir-tradition.ch/ Development of a tiling presentational website: https://luniversceram.fr/
Formation
Institut Supèrieur des Sciences Appliquées et de Technologie de Sousse - ISSAT Sousse
Engineer's degree
2014 - 2019
4 ans 4 mois
Free Code Camp
Full Stack Web Development Certification
2015 - 2016
1 an 1 mois