I'm Artem Vinnichenko I'm a Freelancer. I'm a Frontend developer.

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based in New York City, New York.

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About Me

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I'm Artem Vinnichenko, a Frontend Developer

I am highly proficient in modern front-end technologies such as HTML5, CSS3, TypeScript, and JavaScript, and have more than 7 years of hands-on experience with popular libraries and frameworks like React.js, Redux, Apollo GraphQL, MUI, Styled Components. Additionally, I am well-versed in implementing responsive designs and ensuring cross-browser compatibility to deliver seamless user experiences across different platforms and devices.

What sets me apart is not only my technical skills but also my ability to collaborate effectively within cross-functional teams and communicate complex technical concepts in a clear and concise manner. I thrive in fast-paced environments and am always eager to learn and adapt to new technologies and best practices. Product ownership and product quality are not just words to me. I put them as my fundamentals. Every decision I make is always based on product ownership and my extremely high standards of product quality.

Name:Artem Vinnichenko
Email:contact@vinnichenko.dev
Based in:New York City, New York

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15+

Years Experience

80+

Happy Clients

140+

Projects Done

245k+

Lines of code written

Services

What I Do?

Frontend development

Various tasks related to frontend development using React.js and its ecosystem (routing, state management, authorization, unit tests, APIs integration etc.)

Codebase quality increase

Codebase quality measurement tools setup, refactor based on the results, unit tests quality and coverage increase

Pair programming, mentoring, partnership

We can work together if you are a developer too (frontend or backend). I can review your code and provide various suggestions

Pagespeed rank and performance increase

Increase the performance of your React.js application, or the overal rank of your website according to the Google Pagespeed Insights

External APIs integration

From analytics and code quality tools to chats, reservation and payments API integrations

Web administration

Domains registration, hosting configuration, content management, mobile-first websites, analytics setup and configuration

Summary

Resume

August 2021 - March 2024

Lead Frontend Engineer

HILTI Germany

www.hilti.com

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.

August 2020 - August 2021

Senior Frontend Engineer

GlobalLogic Germany

www.globallogic.com

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.

February 2020 - May 2020

Senior React Native Developer

Upright

www.uprightpose.com

I was developing new features for the Upright mobile application based on React Native. I also fixed a lot of issues and increased the codebase quality by 14% in 3 months by refactoring major classes.

Technologies used: TypeScript, React Native, MobX, Lottie, Jest, Enzyme.

October 2019 - February 2020

React Engineer

Cerebral

www.cerebral.com

I was developing new features for the Cerebral - a mental health startup based in California.

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

September 2018 - September 2019

Senior React Native Developer

Dobby

www.hellodobby.com

I acted as one of the founding engineers in a seed-series startup developing a customer-facing mobile application based on React Native.

Technologies used: JavaScript, React Native, Redux.

August 2018 - September 2018

Senior React Developer

Stylindex

I participated in the frontend development of an online fashion catalogue for Stylindex - a fashion industry startup based in London, UK

Technologies used: JavaScript, React.js, Redux, RxJS, styled-components.

February 2016 - August 2018

Senior Frontend Developer

Accenture

www.accenture.com

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, styled-components, CSS, jQuery.

July 2014 - December 2015