Freelancer profile translated to English.
Back to original languageAbout Cédric
I'm Cédric, a freelance frontend engineer, fully remote since 2020.
With 10 years of varied experience as a frontend developer, I have developed my expertise in React and the JavaScript ecosystem. I have a strong appetite for UX Design, performance, and I pay particular attention to accessibility.
I am a passionate, proactive, and committed individual in my work. Through my experience, I have formed opinions on my favorite subjects. However, I enjoy learning and challenging my certainties!
I have worked in 3 startups, 2 scaleups, and 2 SMEs. There, I gained autonomy, a strong initiative, and perseverance.
I share my experiences and technical content on LinkedIn.
When I'm not recharging in my secluded countryside haven, I work and regularly travel in France and Europe, aboard my newly converted van.
Hiking (bivouacking), wild camping, snowboarding, and surfing are my passions!
French
Native or bilingual
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- Cédric DupuisFrontend EngineerSeptember 2024 - Today (1 year and 11 months)Case StudyAI & Logistics StartupInnovation (CII)Designed an original UX for interactive content selection within a PDF from an IDP (Intelligent Document Processing) platform, which earned me my CII.PerformanceImplemented virtualized tables managing ~10,000 cases (@tanstack/virtual) with a stable rendering time of 60 FPS. Reduced INP to <200ms, eliminating the sluggishness/intermittent scroll jumps reported by users.Design SystemCreated a library of ~25 reusable components (shadcn/ui, radix-ui, base-ui, floating-ui) adopted by the team. Reduced screen development time by 70%. Comprehensive documentation with stories, anatomy, and examples (storybook).ProductRedesigned the document extraction funnel, reducing the average completion time from 10 minutes to 2 minutes (-80%). Decreased the abandonment rate during the process from ~60% to ~10% and significantly improved user satisfaction.UX/A11YApplied RGAA / WCAG 2.1 AA standards.Created 12 keyboard shortcuts on the main screen with in-app discovery (tooltips, help menu), reducing input time for power users by ~40%.Technical LeadershipTook full ownership of the front-end codebase within 3 months.Redesigned the data submission flow to enable automatic saving and a history of modifications, reducing input friction.
- HappyPalSenior Frontend DeveloperENTERTAINMENT AND LEISUREDecember 2023 - July 2024 (7 months)As a senior frontend developer, I participated in the team's effort to evolve the HappyPal application, a SaaS platform for employee benefits – the future of employee perks.Notably, I contributed my accessibility expertise to evolve the internally developed design system, building upon radix-ui primitives.I mentored junior members of the team and participated in establishing conventions among developers to share our knowledge and define technical best practices.I couldn't convince my employer to join me in my van life project. HappyPal terminated my contract.
- Eid LabChief Technology OfficerDIGITAL AND ITMarch 2023 - October 2023 (7 months)Lyon, FranceI joined Philippe in the Eid Lab adventure following the friendship that formed between us.I had the opportunity to improve my skills in end-to-end testing by automating the critical path of one of our client's applications with Playwright.I participated in mentoring our respective apprentices, between 2 and 4 developers daily.I pushed the technical best practices that I advocate for, on React and Typescript.Due to financial issues, Philippe and I had to amicably end my contract.
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Education
- Master in Computer Science, Computer EngineeringINSA Lyon - National Institute of Applied Sciences2015Master en informatique, Ingénierie informatique
- Bachelor of Science in Computer ScienceUniversity of Limerick2014Bachelor's degree, Computer Science, IT
Certifications
- CIIDRIEETS