Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Tatiana Kostyanok, a frontend developer with 5+ years of experience in developing and maintaining front-end web applications. I enjoy exploring new technologies and solving challenging problems that deliver value to users and the business. I work well independently, quickly learn new skills, and have experience leading a small team and collaborating with backend engineers to integrate APIs.…Hi, I'm Tatiana Kostyanok, a frontend developer with 5+ years of experience in developing and maintaining front-end web applications. I enjoy exploring new technologies and solving challenging problems that deliver value to users and the business. I work well independently, quickly learn new skills, and have experience leading a small team and collaborating with backend engineers to integrate APIs.

Tatiana Kostyanok

Front-End Developer, Web Developer, Developer, +1





Hi, I'm Tatiana Kostyanok, a frontend developer with 5+ years of experience in developing and maintaining front-end web applications. I enjoy exploring new technologies and solving challenging problems that deliver value to users and the business. I work well independently, quickly learn new skills, and have experience leading a small team and collaborating with backend engineers to integrate APIs.…Hi, I'm Tatiana Kostyanok, a frontend developer with 5+ years of experience in developing and maintaining front-end web applications. I enjoy exploring new technologies and solving challenging problems that deliver value to users and the business. I work well independently, quickly learn new skills, and have experience leading a small team and collaborating with backend engineers to integrate APIs.

Available to hire

Hi, I’m Tatiana Kostyanok, a frontend developer with 5+ years of experience in developing and maintaining front-end web applications. I enjoy exploring new technologies and solving challenging problems that deliver value to users and the business.

I work well independently, quickly learn new skills, and have experience leading a small team and collaborating with backend engineers to integrate APIs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Ukrainian

Fluent

Russian

Fluent

English

Advanced

Finnish

Advanced

Work Experience

Software Engineer at Rive España

November 30, 2024 - November 30, 2024

Developed client-server internal web application to help analyze, buy and sell apartments using React JS, TypeScript, Redux Toolkit and Material-UI; created tests with Jest, Cypress and Storybook; developed custom and reusable components; led and mentored a team of 5 developers; collaborated with Backend developers to integrate RESTful APIs endpoint.

Software Developer at Rive

April 30, 2023 - April 30, 2023

Developed client-server internal web applications (TypeScript + React JS); developed internal component library; developed company website based on Gatsby Framework.

Frontend Developer at Freelance

January 31, 2020 - January 31, 2020

Created website using Wix platform.

Software Developer at Solu Machines

October 31, 2017 - October 31, 2017

Developed client-server web applications for cloud mobile platform (JavaScript, React JS); supported and developed existing web application projects.

Junior Front-End Developer (trainee) at JobGo International

May 31, 2016 - May 31, 2016

Mocked up new pages in Zend (Zend, PHP, Git, BitBucket, Vagrant); adapted pages for different screen sizes.

Technical Support Engineer at ASPLinux Plus

May 31, 2010 - May 31, 2010

Technical support via email and bug tracking system (Best Practical RT); tested ASPLinux distribution builds on different hardware; maintained HOWTOs and guides on official wiki; maintained packages in ASPLinux distributions (RPM).

Network Engineer at ISP Inter-Don

August 31, 2007 - August 31, 2007

Linux servers and services administration (Apache, MySQL, SMTP, POP3, IMAP4, DHCP, DNS, Dial-up, VPN); developed tool for automated parsing, analysing and visualising of statistical data in Python.

Software Engineer at Rive España

November 1, 2024 - November 1, 2024

Developed client-server internal web application to help analyze, buy and sell apartments (React JS + Typescript + Redux Toolkit + Material-UI). Created tests with Jest, Cypress and Storybook. Developed custom and reusable components. Led and mentored a team of 5 developers. Collaborated with Backend developers to integrate RESTful APIs endpoint.

Software Developer at Rive

April 1, 2023 - April 1, 2023

Developed client-server internal web applications (Typescript + React JS). Developed internal component library. Developed company website based on Gatsby Framework.

Frontend Developer at Freelance

January 1, 2020 - January 1, 2020

Created web site using Wix platform

Software Developer at Solu Machines

October 1, 2017 - October 1, 2017

Developed client-server web applications for cloud mobile platform (JavaScript, React JS). Supported and developed existing web application projects.

Junior Front-End Developer (trainee) at JobGo International

May 1, 2016 - May 1, 2016

Mocked up new pages in Zend (Zend, PHP, Git, BitBucket, Vagrant). Adapted pages for different screen sizes.

Technical support engineer at ASPLinux Plus

May 1, 2010 - May 1, 2010

Technical support via email and bug tracking system (Best Practical RT); Tested ASPLinux distribution builds on different hardware; Maintained HOWTOs and guides; Maintained packages in ASPLinux distributions (RPM).

Network engineer at ISP Inter-Don

August 1, 2007 - August 1, 2007

Linux servers and services administration (Apache, MySQL, SMTP, POP3, IMAP4, DHCP, DNS, Dial-up, VPN); Developed tool for automated parsing, analysing and visualising of statistical data in Python.