Denys Korolkov dkorolkov@sphereinc.com & | Fullstack architect with extensive experience in (re)building international web services and applications. I have strong skills in JavaScript (13+ years), TypeScript (7+ years), NodeJS, React, and other modern technologies. I am interested in opportunities where I can grow as a web engineer and mentor for a team. My preferred technology stack is React, Typescript, Javascript, CSS3, HTML5, Jest, StoryBook, GraphQL, and Apollo. Since 2015 I have been working remotely and have a prepared workspace and everything to achieve a maximum in resolving tasks of any complexity. Since 2007 relaunched the web project spellchecker.net for US "GlobalLogic" Inc. (3 years). In 2010 refactored and released a new version of the professional social network (2 years). Since 2014, I have designed, developed, and released web interfaces for enterprise products for a confidential information protection company "Infowatch" (5 years). Since 2018 In Groupon, I successfully kicked off the modern version of the Merchant Booking Tool (5 years) with React technologies. In 2022 at Chief, Social Network company, my team released an international version of the onboarding flow. The result of my work is the best motivation for me. I can give you references who can prove my professional abilities. #opentowork #frontend #fullstack #react #reactnative #typescript #javascript #nodejs #graphql #SaaS

Denys Korolkov

Fullstack architect with extensive experience in (re)building international web services and applications. I have strong skills in JavaScript...

Orlando, Orlando, United States

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Denys Korolkov’s Emails [email protected]

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Denys Korolkov’s Location Orlando, Orlando, United States

Denys Korolkov’s Expertise Fullstack architect with extensive experience in (re)building international web services and applications. I have strong skills in JavaScript (13+ years), TypeScript (7+ years), NodeJS, React, and other modern technologies. I am interested in opportunities where I can grow as a web engineer and mentor for a team. My preferred technology stack is React, Typescript, Javascript, CSS3, HTML5, Jest, StoryBook, GraphQL, and Apollo. Since 2015 I have been working remotely and have a prepared workspace and everything to achieve a maximum in resolving tasks of any complexity. Since 2007 relaunched the web project spellchecker.net for US "GlobalLogic" Inc. (3 years). In 2010 refactored and released a new version of the professional social network (2 years). Since 2014, I have designed, developed, and released web interfaces for enterprise products for a confidential information protection company "Infowatch" (5 years). Since 2018 In Groupon, I successfully kicked off the modern version of the Merchant Booking Tool (5 years) with React technologies. In 2022 at Chief, Social Network company, my team released an international version of the onboarding flow. The result of my work is the best motivation for me. I can give you references who can prove my professional abilities. #opentowork #frontend #fullstack #react #reactnative #typescript #javascript #nodejs #graphql #SaaS

Denys Korolkov’s Current Industry Chief

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Work Experience

Chief

Senior Fullstack and Mobile Developer

Sat Oct 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jun 01 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

Groupon

Senior Frontend React Engineer

Fri Feb 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Sep 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time)

Everybodyfights

Fullstack Node Engineer

Mon Oct 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Feb 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time)

Human Interest

Lead Frontend Engineer

Sun Jul 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Sep 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time)

Infowatch

Senior Frontend Engineer

Fri Mar 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Jul 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time)

Professionali

Senior Frontend Engineer

Fri Apr 01 2011 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Dec 01 2012 00:00:00 GMT+0000 (Coordinated Universal Time)

Globallogic

Lead Frontend Engineer

Tue Apr 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Nov 01 2010 00:00:00 GMT+0000 (Coordinated Universal Time)

Leader

PHP web developer

Sun Apr 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue Apr 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time)

Skills

Languages

FAQ About Denys Korolkov

Denys Korolkov is located at
Orlando, Orlando, United States

Denys Korolkov is a
Fullstack architect with extensive experience in (re)building international web services and applications. I have strong skills in JavaScript (13+ years), TypeScript (7+ years), NodeJS, React, and other modern technologies. I am interested in opportunities where I can grow as a web engineer and mentor for a team. My preferred technology stack is React, Typescript, Javascript, CSS3, HTML5, Jest, StoryBook, GraphQL, and Apollo. Since 2015 I have been working remotely and have a prepared workspace and everything to achieve a maximum in resolving tasks of any complexity. Since 2007 relaunched the web project spellchecker.net for US "GlobalLogic" Inc. (3 years). In 2010 refactored and released a new version of the professional social network (2 years). Since 2014, I have designed, developed, and released web interfaces for enterprise products for a confidential information protection company "Infowatch" (5 years). Since 2018 In Groupon, I successfully kicked off the modern version of the Merchant Booking Tool (5 years) with React technologies. In 2022 at Chief, Social Network company, my team released an international version of the onboarding flow. The result of my work is the best motivation for me. I can give you references who can prove my professional abilities. #opentowork #frontend #fullstack #react #reactnative #typescript #javascript #nodejs #graphql #SaaS Chief

Denys Korolkov currently works in the
Chief

Denys Korolkov specializes in
Fullstack architect with extensive experience in (re)building international web services and applications. I have strong skills in JavaScript (13+ years), TypeScript (7+ years), NodeJS, React, and other modern technologies. I am interested in opportunities where I can grow as a web engineer and mentor for a team. My preferred technology stack is React, Typescript, Javascript, CSS3, HTML5, Jest, StoryBook, GraphQL, and Apollo. Since 2015 I have been working remotely and have a prepared workspace and everything to achieve a maximum in resolving tasks of any complexity. Since 2007 relaunched the web project spellchecker.net for US "GlobalLogic" Inc. (3 years). In 2010 refactored and released a new version of the professional social network (2 years). Since 2014, I have designed, developed, and released web interfaces for enterprise products for a confidential information protection company "Infowatch" (5 years). Since 2018 In Groupon, I successfully kicked off the modern version of the Merchant Booking Tool (5 years) with React technologies. In 2022 at Chief, Social Network company, my team released an international version of the onboarding flow. The result of my work is the best motivation for me. I can give you references who can prove my professional abilities. #opentowork #frontend #fullstack #react #reactnative #typescript #javascript #nodejs #graphql #SaaS

Denys Korolkov speaks the following languages:
No languages available.

Denys Korolkov has prior experience in the following industries:
Chief , Groupon , Everybodyfights , Human Interest , Infowatch , Professionali , Globallogic , Leader

Denys Korolkov has the following professional experience:
Chief , Groupon , Everybodyfights , Human Interest , Infowatch , Professionali , Globallogic , Leader .