Romain Julien

Senior Full-Stack Engineer | React / Next.js

Salaire / Taux journalier

Valence, Province de Valence, Espagne

Freelance, ouvert au CDI

À distance uniquement

Expertises

ReactNodeGraphQLTypescriptJavascriptExpressMongoDBWebpackCypressClean CodeJiraRESTful APIsUX Product DesignFigmaCoaching agileScrumDéveloppement FrontendDéveloppement BackendDéveloppement FullstackCSSDomain Driven DesignTech LeadDéveloppeur FrontendNextDéveloppeur FullstackHTMLDesign System

Langues

Français (Maternelle)Anglais (Courant)Espagnol

À propos

Introduction

Senior Full-Stack Engineer (frontend-focused) with 8+ years building and scaling SaaS platforms (B2C & B2B). Expert in React, Next.js, TypeScript, GraphQL, Node.js and MongoDB. I deliver clean, scalable web applications from prototype to production. Over the past 6 months, I’ve deeply integrated AI tools into my workflow and evolved toward an AI pair-programming approach — combining speed with strong engineering standards.

Liens

Expérience de travail

Front-end Lead Developer

Nfinite

juin 2022 - Présent

4 ans 5 mois

À distance

– Led front-end development efforts, ensuring a stable, scalable, and maintainable codebase – Oversaw and performed extensive code reviews to maintain consistency, enforce standards, and improve overall code quality – Maintained and evolved the core front-end architecture - including a migration from CRA to Vite.js to modernize build tooling - while balancing technical improvements with product priorities – Acted as the primary point of contact for front-end support within the team, helping unblock colleagues and ensuring smooth integration across features – Drove adoption of front-end best practices, including reusable components, performance optimization, AI-assisted development workflows (Cursor, Claude Code), and code documentation – Defined and implemented a new frontend testing strategy using Cypress and Vitest, after carefully evaluating options to match the team's workflow and product requirements – Collaborated with product, design, and backend teams to deliver high-quality, user-focused features in a fast-paced environment – Contributed to long-term technical decisions while maintaining hands-on involvement in code and project delivery

Full-Stack Web Developer

Nfinite

mai 2017 - mai 2022

5 ans 1 mois

À distance

– Delivered end-to-end features in an agile, startup setting – Built and maintained full-stack web apps – Took part in early architectural decisions – Collaborated closely with product and design for quick iterations


Formation

The University of Queensland

Bachelor's Degree, Software Engineering

2012 - 2016

4 ans 1 mois

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