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I am a senior web developer with 10+ years of experience delivering robust frontend and full-stack solutions. I have experience working full-time and freelancing for large corporations, leading digital agencies, and fast-paced small startups. My strength lies in bridging the gap between business goals and technical execution: I speak the language of both stakeholders and engineers, turning product vision into clean, scalable code.…I am a senior web developer with 10+ years of experience delivering robust frontend and full-stack solutions. I have experience working full-time and freelancing for large corporations, leading digital agencies, and fast-paced small startups. My strength lies in bridging the gap between business goals and technical execution: I speak the language of both stakeholders and engineers, turning product vision into clean, scalable code.

Gleb Kostyunin

Web Developer, Front-End Developer, Full Stack Developer

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I am a senior web developer with 10+ years of experience delivering robust frontend and full-stack solutions. I have experience working full-time and freelancing for large corporations, leading digital agencies, and fast-paced small startups. My strength lies in bridging the gap between business goals and technical execution: I speak the language of both stakeholders and engineers, turning product vision into clean, scalable code.…I am a senior web developer with 10+ years of experience delivering robust frontend and full-stack solutions. I have experience working full-time and freelancing for large corporations, leading digital agencies, and fast-paced small startups. My strength lies in bridging the gap between business goals and technical execution: I speak the language of both stakeholders and engineers, turning product vision into clean, scalable code.

Available to hire

I am a senior web developer with 10+ years of experience delivering robust frontend and full-stack solutions. I have experience working full-time and freelancing for large corporations, leading digital agencies, and fast-paced small startups. My strength lies in bridging the gap between business goals and technical execution: I speak the language of both stakeholders and engineers, turning product vision into clean, scalable code.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Fluent

German

Intermediate

Czech

Intermediate

Russian

Fluent

Work Experience

Freelance Frontend Developer at Growsome

April 1, 2023 - Present

As part of Growsome agency, I developed frontend eCommerce solutions for clients like Harrods, FC Bayern, Comma, Goldner, and Babymarkt, using Vue, Nuxt, Typescript, Storyblok, Tailwind, and Scayle commerce engine.

Freelance Frontend Developer at About You + FC Bayern

March 1, 2023 - October 27, 2025

I was involved in creating a new generation online shop for FC Bayern, which launched in Autumn 2022 and is now available in 10 countries. Tasks included building a custom solution and involvement from the concept phase to maintenance.

Senior Product Engineer at SinnerSchrader

February 1, 2022 - October 27, 2025

I developed enterprise-grade microfrontends for Telefonica and maintained internal and open source component libraries, while also supporting the ADAC website.

Development Lead at Everyday AB

January 1, 2019 - October 27, 2025

Responsible for developing a chat-centered mobile app and backend for personalized leadership trainings, utilizing React Native and Firebase.

Web Development Mentor at Thinkful

September 1, 2018 - October 27, 2025

Mentored students on frontend web technologies through weekly one-on-one sessions, helping with project advancement and complex topics.

Frontend Developer at SinnerSchrader

January 1, 2018 - October 27, 2025

Developed the frontend for Volkswagen's new generation website using Typescript, React, Redux, Webpack, and SASS.

Frontend Developer at Merck

June 1, 2016 - October 27, 2025

Involved in frontend development for a transnational pharmaceutical corporation, utilizing JS, React, and Ruby on Rails.