Freelancer profile translated to English.
Back to original languageAbout Géry
Full Stack Engineer with 10 years of experience, I have specialized for the past 6 years in the JavaScript/TypeScript ecosystem (Node.js, Vue, React Native) within high-traffic Retail & E-commerce environments. Specialist in the art of reconciling complex technical architectures and intuitive user experiences. I am committed to developing scalable, high-impact features that address the real challenges faced by users. With solid experience in collaborative environments, I am currently seeking ambitious technical and product challenges.
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 20km)
Experience
- NORAUTOSenior Full Stack DeveloperRETAIL (LARGE RETAILERS)October 2019 - Today (6 years and 10 months)Lille, FranceContext: Key contributor to the digital transformation and scaling of the Norauto workshop ecosystem, orchestrating the migration of legacy systems to a unified platform to optimize the daily work of over 5,000 users across 700 centers.Architecture & Backend (Node.js/TypeScript):
- Design of highly available REST APIs handling 60M requests/week to ensure no service interruption during peak activity, directly securing business continuity in workshops.
- Close collaboration with Product Management to design and architect a high-performance availability engine, accelerating appointment booking in centers and eliminating user journey friction.
Quality & DevOps:- Accelerated Time-to-Market through optimization of CI/CD pipelines, enabling continuous and risk-free deployments to production to deliver user value faster.
- Implementation of a BDD (Behavior-Driven Development / Gherkin) strategy to translate product requirements into stable acceptance tests, thus securing critical user journeys.
Frontend Lead (Vue.js):- Design and implementation of a BFF (Backend-for-Frontend) architecture calibrated to streamline data flows, drastically improving application responsiveness for end-users.
- Co-design of interfaces with UI/UX teams and definition of frontend best practices, successfully eliminating user friction and saving operators 4 minutes per intervention.
- NORAUTOLead Android DeveloperRETAIL (LARGE RETAILERS)June 2018 - October 2019 (1 year and 4 months)Lille, FranceContext: Full responsibility for the mobile ecosystem (Consumer & Employee Apps).Technical Leadership & Quality:
- Management of the entire application portfolio and definition of architectural choices.
- Guarantor of software quality: definition of development standards, systematic code reviews, and technical mentoring of the team.
Development & Product:- End-to-end design and international deployment (France, Italy, Spain, Belgium) of a customer support application (mobility-first), reducing customer waiting time and generating additional sales (cross-selling) directly at the vehicle level.
- PictimeAndroid & iOS Analyst DeveloperDIGITAL AND ITSeptember 2015 - June 2018 (2 years and 9 months)Norauto InternationalContext: Maintenance and evolution of B2C and B2B mobility solutions.Evolution & Responsibilities:
- Progression from Developer to Lead Developer (Jan 2017).
- Responsible for the application lifecycle and their stability on the Stores (Google Play & App Store).
Cross-Platform Development:- Evolutionary and corrective maintenance of applications on both environments (Android & iOS).
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Education
- Master's degreeEPITECH - European Institute of Technology2016Bachelor's degree
- BAC STG Business Management and FinanceLycée des Flandres, Hazebrouck2008BAC STG Compatbilité Finances des Entreprises