Position: Middle front-end developer
Category: JavaScript
English level: upper
Years of experience: 2.5


2.5 years of commercial experience
outsource

NFT Marketplace

-	Fully developed crypto wallet integration with Metamask using web3 and ethers.js. Provided Stripe integration for several new countries.
-	Worked on SEO improvements and as a result increased the number of indexed pages by 20%.
-	Implemented multiple optimization strategies to enhance PageSpeed Insights score for mobile devices and improved it by 30 points per page on average.
-	Added internationalization with SSR translations and auto location detection utilizing AWS CloudFront custom cookies and i18n-next.
-	Developed players for all sorts of media file types, and build complex multipage forms with validation utilizing Formik and yup. 
-	Through the development process followed best practices with a strong dedication to the DRY principle, and conducted constant code reviews and front-end team syncs. Mentored two trainee newcomers.

Educational platform

-	Fixed all bugs from the project backlog solo and shipped a successful release within the second month of working on the project.
-	Built a guided onboarding tour for multiple flows in the app that resulted in at least a 15% increase in repeated visits and had a major impact on user satisfaction as projected in the internal user surveys.
-	Implemented 3D Secure for payments and participated in Stripe integration.
-	Developed PWA installation flow for multiple browsers on mobile as well as desktop devices.

Freelance

-	Built multiple commercial solutions for Ukrainian Youth Centers Union and Ukrainian global communities in Canada from scratch. Conducted tight communication with stakeholders and was responsible for requirements elicitation and analysis, design, and front-end development. 
-	Worked on proof of concept for a project in a team with two senior designers. During the discovery phase, conveyed numerous user interviews, created and maintained UX artifacts, and built and tested prototypes based on high-fidelity wireframes. Based on discovery results created a UI kit and final design of the app, keeping in mind human design guidelines and paying close attention to accessibility.
-	Created business card sites for multiple local brands using React.