Freelancer profile translated to English.
Back to original languageAbout Quentin
đ Software Engineer | Backend & Data focused on performance and reliability
6 years of experience in software development, with a common thread: designing robust systems, leveraging data effectively, and improving application performance.
đ» Technical Expertise
â Full Stack & Backend Development (PHP, Java, JavaScript, React)
â Business application design (ERP, internal tools, web apps)
â API & data flow management (including HL7/FHIR interoperability in a medical environment)
đ Data & Performance Orientation
â SQL query optimization (up to +30% performance)
â Data structuring and utilization for KPI tracking
â Design of databases and tools focused on analysis
đ What sets me apart
â Dual perspective: technical (code, architecture) and functional (business needs)
â Ability to ensure data reliability and flow in complex environments
â Pragmatic approach: solving concrete problems with sustainable solutions
đ§ Key Experiences
â Institut Curie: development and optimization of a critical system (EHR) with strong reliability and health data constraints
â Freelance: MVP and PoC design (Construction, Supply Chain - Django/MariaDB)
â Cross-functional experience (training, support, functional) enhancing user understanding
đŻ What I'm looking for
A Backend / Fullstack Developer role with a strong data focus, or an opportunity in Data Engineering / Technical Data Analysis.
â Open to discussions about backend, data, and performance challenges.
French
Native or bilingual
English
Conversational
Can work on-site
Le Kremlin-BicĂȘtre (up to 10km), Paris (up to 10km)
Experience
- autoentrepriseBackend & Data Developer | Vibe Coder AISOFTWARE PUBLISHINGOctober 2024 - Today (1 year and 8 months)Paris, France
- Designed anMVPin the construction and events sector for independent clients.
- Developed aPoCfor aSupply Chaintool built withDjangoand **MariaDB**.
- Institut CurieFullStack PHP/React Developer - Health ProjectMEDICALNovember 2021 - April 2024 (2 years and 5 months)Paris, FranceWithin theIT Department**, reporting to the **Electronic Health Record(EHR) project teams, I was able to:
- OptimizeSQL queriesto improve stack response times by **30%**.
- Ensure the evolution and maintenance of aPHP Zend, MySQL**, and **React.jsstack, guaranteeing the integrity of medical data flows according to interoperability standards (e.g.,API integrationadhering toHL7/FHIRstandards).
- Writespecificationsconsidering user needs and medical environment constraints.
- Develop an internal appointment management application, facilitatingKPIextraction and service efficiency.
- CAPGEMINIFullStack Java/Angular DeveloperSOFTWARE PUBLISHINGDecember 2019 - June 2020 (6 months)Nantes, FranceAs part of theAir France IT infrastructure migrationproject, reporting to a team of 50 collaborators.
- Improved an **Angular application**, developed connectors, and ensured data retrieval reliability via Zebra scanners.
- Actively participated in **Agile ceremonies**, and contributed to deployments and **backlog management in Jira and Confluence**.
- Developed aweb servicein 2-week sprints, distributed among 5 developers & 1 Scrum Master.
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Education
- Degree, Design of interactive games and mediaUniversity of Maine-Le Mans-Laval2016Licence, Conception de jeux et médias interactifs
- BTS SIO, IT Programming / Developer, GeneralLycée Savary de Mauleon2015BTS SIO, Programmation / développeur informatique, général