Lucas Costier
Senior Frontend Developer | TypeScript
Salary / Daily rate
Paris, France
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Frontend TypeScript developer with 4+ years building scalable web applications and blockchain solutions. Led complete application overhauls, created component libraries with Storybook, and developed Web3 platforms from scratch. Specialized in React/Next.js with expertise in modern tooling and testing frameworks to deliver exceptional user experiences.
Work experience
Frontend Developer
Jockiz
Nov 2023 - Present
3 years
I joined the company at its inception as the front-end lead. My role was to build the web application's interface from scratch while ensuring the design aligned with the mockups. My goal was also to provide the best possible experience for the users.
Frontend Developer
Kairos loanFreelance
Dec 2022 - Dec 2023
1 year 1 month
Paris, France
As the front-end lead, my role was to perform a complete overhaul of the application and add new features. Since we worked on various projects, I created a boilerplate and a component library with Storybook. All of this, not to mention the E2E tests.
Fullstack/Blockchain Developer
BlocksLab42
Jan 2022 - Dec 2022
1 year
Paris, France
Development of blockchain applications from scratch. Setting up the back-end architecture, writing smart contracts, and developing the front-end.
Développeur web et mobile freelance
Jun 2021 - Dec 2022
1 year 7 months
Founder
Earliverse
Jan 2022 - Jul 2022
7 months
I founded Earliverse, a web3 agency, and our aim is to develop various solutions that we provide to our customers so they can sell their NFTs.
Web Developer
TF-PROD
Sep 2020 - Oct 2021
1 year 2 months
91170 Viry-Châtillon, France
Integration of mockups in HTML/CSS + Bootstrap, development of websites using WordPress and Prestashop, custom development, and business applications using frameworks as required by the project.
Web Developer
Brigade de sapeurs-pompiers de Paris (BSPP)
Sep 2019 - Aug 2020
1 year
93400 Saint-Ouen-sur-Seine, France
Migration and redesign of an intranet site from Joomla to WordPress. Full project management from identifying requirements to production deployment, including user training
Stagiaire en informatique
Gestion Data
May 2019 - Jul 2019
3 months
91140 Villebon-sur-Yvette, France
Installation of a Dell server, prototyping of a web application, and a series of tests on a web/mobile application.
Education
Université Évry Paris-Saclay
Licence Professionnelle Métiers de l’Informatique : Applications Web (MIAW) option DAW2I
2020 - 2021
2 years
CFA ISCIO
BTS SIO option SLAM en alternance.
2018 - 2020
2 years 4 months
Lycée parc de vilgénis
Baccalauréat STMG option Système d'information de gestion
2017 - 2018
2 years