
Justin Ferrari
Senior React Developer | Web3 & Next.js
Salaire / Taux journalier
Sofia, Bulgarie
Freelance, ouvert au CDI
À distance uniquement
Expertises
Langues
À propos
Introduction
React contractor with 5+ years delivering enterprise e-commerce solutions for clients like Coca-Cola HBC. Specialized in TypeScript, Redux-Saga, and Next.js with proven expertise in building scalable Web3 applications and NFT marketplaces. Self-taught full-stack developer who co-founded two tech startups, now available for EU remote B2B contracts to transform your frontend into conversion-driven experiences.
Expérience de travail
Frontend Developer / Marketer
Qortal BlockchainFreelance
sept. 2022 - Présent
4 ans 2 mois
Remote, Oregon 97458, États-Unis
Working on an open-source blockchain project for a completely decentralized peer-to-peer networking platform. It aims to provide a platform that is secure, private, and fully decentralized, enabling users to interact and transact directly with one another without intermediaries. - Built the qortal.dev website to help users and developers alike understand and install Qortal. Used Next.js to maximize SEO capabilities and reach. Built a blog page where I write weekly content about Qortal. The content is being served from the Qortal Data Network, without the need for any backend - Built multiple Q-Apps in React, Typescript, Redux, CSS, Styled Components, Javascript, MUI on Qortal, including Q-Shop, Q-Blog, Q-Fund. - Built some of the Qortal UI infrastructure, such as Q-Chat - Built www.qort.games, using the Qortal Chrome Extension, to facilitate the onboarding of new users in the Web3 ecosystem. They can play Qonnect Four (and other mini games coming shortly), without running a node or installing the Qortal UI.
React Developer
Coca-Cola HBC
avr. 2023 - oct. 2025
2 ans 7 mois
Remote, Oregon 97458, États-Unis
- Contributed to the development of the CCHellenic e-commerce application using React, ensuring robust, user-friendly, and responsive designs that enhance customer engagement and satisfaction. - Proficient in utilizing CSS and JavaScript to create intuitive and visually appealing user interfaces, significantly improving the user experience and interface of the e-commerce platform. - Worked useing Redux-Saga to manage complex application state, enhancing performance, scalability, and maintainability of the platform. - Worked closely with design and backend teams to deliver a cohesive and seamless shopping experience. - Excelled in a fast-paced Agile development environment, consistently meeting project deadlines and contributing to continuous improvements in the development process. - Added new functionality to the CP2.0 application using Angular 18 and Spartacus
React Contractor
bimdl
déc. 2022 - mars 2023
4 mois
Remote, Oregon 97458, États-Unis
• Currently working on a SaaS management platform for social housing in the UK that allows tenants and owners to learn more about their buildings. • Building out new features and bug fixing • Working with React, SCSS, Javascript and Bootstrap to improve the platform’s functionality and design • Building out the designs based on Figma mockups
React Consultant
Webisoft
mars 2022 - oct. 2022
8 mois
Remote, Oregon 97458, États-Unis
● Worked as a frontend developer in a web agency, handling many different projects ● Used React, Typescript, CSS, NextJS, GraphQL and NFT wallets to deliver quality code to different clients in an efficient manner ● Ensured the client's satisfaction through meetings and constant communication with him or her through chat. ● Handled many projects at once when needed, and collaborated with backend developers to ensure a coherent flow of data. ● Successfully built an entire frontend of an NFT marketplace selling metaverse land parcels on an Ethereum blockchain backend from scratch. ● Redesigned the entire frontend of an arcade application, migrating legacy class-based React components code to hooks. ● Worked on Web3 projects and set up frontend wallets such as Metamask and Coinbase.
React Consultant
Webaholics.co
janv. 2022 - juil. 2022
7 mois
Remote, Oregon 97458, États-Unis
● Worked as a frontend developer in a team of three to build out the UI of a warehouse management app. ● Removed critical bugs in the application that improved performance. ● Implemented a charting feature using chart.js receiving hundreds of data values from an e-commerce api. ● Built the UI out based on a Figma design.
Co-Founder / React Developer
CodeToo
nov. 2020 - mai 2022
1 an 7 mois
Remote, Oregon 97458, États-Unis
● Built a full-stack project management app from the ground up, fully bootstrapped. ● Took care of the incorporation and launch of the business. ● Built in full-stack MERN: Mongo, Express, React, Node.js and Next.js. ● Launched a sandbox in order to create a marketing funnel to allow new users to onboard seamlessly. The sandbox was a smaller version of the main app that removed the need for authentication to try the app. ● Cold called new web agency executives to make product demos for them. ● Built marketing materials to generate awareness of the application on LinkedIn and Google. ● App found at www.codetoo.dev ● Sandbox found at https://codetoo-sandbox.herokuapp.com/sandbox Programmed in full-stack MERN: Mongo, Express, React, Node.js. Also used Nextjs, Sockets and Stripe.
Co-Founder / React Developer
Topscholar
nov. 2019 - mai 2020
7 mois
Remote, Oregon 97458, États-Unis
● Self-taught programmer, having learned to code by myself, and launched a viable web application, all in less than one year ● Moved to Spain to have access to European markets, but was an e-resident of Estonia to facilitate the incorporation of my business as well as the accounting ● Programmed a web app for English teachers/tutors to create their lesson plans, online exams, flash cards, and more ● They can also use our app to create their very own public page (mini website) to market their services as a English tutor ● The application was programmed in full-stack MERN (Mongo, Express, React, Node.js) ● It was a two-man operation, therefore I was responsible for all aspects of the coding and the business development afterwards ● Learned how to open a private corporation and then market my company online through various means ● Learned about social media marketing on Facebook and Linkedin, and the power of generating website traffic through SEO ● Worked extensively with my partner to create an innovative company in Ed-Tech for English teachers, with an idea that has not been tried before ● App found at www.topscholar.io
Formation
Concordia University
Bachelor of Commerce (B.Com.), Business Administration and Management, General
2011 - 2014
4 ans
Champlain College Saint-Lambert
DEC, Health Services/Allied Health/Health Sciences, General
2009 - 2011
3 ans
Vincent Massey Collegiate
High School
2004 - 2009
6 ans
Licences et certifications
Modern HTML & CSS From The Beginning
Délivré le : juin 2022
Advanced CSS and Sass: Flexbox, Grid, Animations and More!
Délivré le : juin 2022
Concurrent Rendering Adventures in React 18
Délivré le : mai 2022
Build Polymorphic Components with React and Typescript
Délivré le : mai 2022
React Hooks Tips Only the Pros Know
Délivré le : avr. 2022
ES6 Javascript: The Complete Developer's Guide
Délivré le : avr. 2022
The React Testing Library Bootcamp - The Developer Guide
Délivré le : janv. 2022
Modern JavaScript From The Beginning
Délivré le : avr. 2020
Portfolio

Co-Fondateur d'une startup SaaS CodeToo

Qortal Blockchain
