I led the frontend development of a complex web application from scratch using React.js, MUI, and Apollo GraphQL, which resulted in a sales pilot in the DACH region after 6 months of development. With that application, HILTI expanded its presence in the workforce management domain by 100% and now approaching other countries’ markets such as the Czech Republic, Poland, Italy, Belgium, France, and the USA.

I was working closely with product owners, designers, backend developers, and QAs. Participating in architecture discussions together with solution architects and project managers.

Technologies used: TypeScript, React.js, MUI, styled-components, GraphQL, Apollo, Redux, Redux-saga, React Testing Library, Jest, CI/CD.

I participated in the frontend development of a new generation of an asset management product, “On!Track” by HILTI. I introduced the reusable components library based on Storybook implementation and increased customers’ satisfaction by 25% in 6 months by resolving a large number of bugs and updating the unit testing approach

Technologies used: TypeScript, React.js, styled-components, Redux, Redux-saga, Jest, Enzyme, Storybook.

I worked with different startups as a contractor, providing services in frontend development using JavaScript/TypeScript and React.js; and mobile development using React Native. Among my clients, there were seed-round startups (STYLINDEX, Dobby) as well as mature C or D-round companies like Upright (www.uprightpose.com).

Technologies used: JavaScript, TypeScript, React.js, React Native, RxJS, styled-components, CSS, Jest, Enzyme

I participated in the frontend development of Accenture’s clients, such as Mediaset Italy and VR Finland. We increased the sales of Mediaset’s product by 12% in one year by fixing a large amount of production bugs and delivering new features to the product.

Technologies used: JavaScript, React.js, Redux, Jest, Enzyme