Yaroslav Boiko Email & Phone Number

Barcelona, Catalonia, Spain

Kyiv City, Ukraine

- Led a team of 6 engineers, collaborating closely with the client to deliver high-quality solutions.- fully covered codebase by unit and e2e tests- developed a complex form configurator based on Contentful data sources- delivered the core functionality successfully to production.

Kyiv, Kyiv City, Ukraine

- Wrote modern, performant, maintainable code for a diverse array of B2B and B2C projects.- Developed a Cordova plugin for integrating Stripe payments with Google/Apple Pay systems, leading to a 30-40% increase in the company's paid orders and revenue.- Implemented the newest versions of Vue, Cordova, and other packages. This upgrade also fortified the app's security and enhanced its performance.

Kyiv, Kyiv City, Ukraine

- Architected and implemented the frontend of an interactive map from satellite photos, enabling users to mark their field areas and receive analytic information from any device.- Designed and implemented a middleware server using GraphQL and Redis for caching and formatting data.- Identified and fixed a critical performance issue related to the main layout of our application. These strategic modifications elevated application performance by 4-5 times and completely eliminated lagging… Show more - Architected and implemented the frontend of an interactive map from satellite photos, enabling users to mark their field areas and receive analytic information from any device.- Designed and implemented a middleware server using GraphQL and Redis for caching and formatting data.- Identified and fixed a critical performance issue related to the main layout of our application. These strategic modifications elevated application performance by 4-5 times and completely eliminated lagging issues, that was highly appreciated by our clients.- Implemented a middleware server (NodeJS, GraphQL, Redis) for caching and formatting data from multiple providers, boosting data load speed by 50% and enhancing the support for creating new product features. Show less

Kiev Region, Ukraine

- Collaborated closely with designers and management teams to develop, document, test, and manage customer e-commerce products.- Proposed and implemented Vue Storefront for the checkout module in client online shops, replacing a legacy solution with KnockoutJS and XML.- Migrated substantial parts of the codebase from native JavaScript to TypeScript, and from classes to hooks.This change resulted in faster and higher-quality development of new features.

Kiev Region, Ukraine

- Engineered and maintained major features of a concert-booking web app with Angular 2.- Set up CI/CD pipelines for E2E and unit testing, as well as building and deploying product codebase on Azure. Enabled easier management and delivery of new features through these pipelines.

Kyiv, Kyiv City, Ukraine

- Created blogs, landing pages, e‑commerce projects on WooCommerce, PSDtoHTML,Wordpress.- Developed code for client websites, ensuring cross-browser compatibility and optimal performance rates.