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I’m a full-stack developer with 3 years of hands-on experience building high-impact web apps for major e-commerce brands. I’m a fast learner, adaptable, and reliable under pressure. I build clean, scalable solutions that solve user problems. I’ve shipped Shopify apps and web interfaces, optimized performance and accessibility for high-traffic sites, and integrated third-party APIs to automate workflows. I’m comfortable working across the stack and enjoy turning complex requirements into solid, maintainable code.…I’m a full-stack developer with 3 years of hands-on experience building high-impact web apps for major e-commerce brands. I’m a fast learner, adaptable, and reliable under pressure. I build clean, scalable solutions that solve user problems. I’ve shipped Shopify apps and web interfaces, optimized performance and accessibility for high-traffic sites, and integrated third-party APIs to automate workflows. I’m comfortable working across the stack and enjoy turning complex requirements into solid, maintainable code.

Yumit Demir

Full Stack Developer, Web Developer, Front-End Developer, +2

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I’m a full-stack developer with 3 years of hands-on experience building high-impact web apps for major e-commerce brands. I’m a fast learner, adaptable, and reliable under pressure. I build clean, scalable solutions that solve user problems. I’ve shipped Shopify apps and web interfaces, optimized performance and accessibility for high-traffic sites, and integrated third-party APIs to automate workflows. I’m comfortable working across the stack and enjoy turning complex requirements into solid, maintainable code.…I’m a full-stack developer with 3 years of hands-on experience building high-impact web apps for major e-commerce brands. I’m a fast learner, adaptable, and reliable under pressure. I build clean, scalable solutions that solve user problems. I’ve shipped Shopify apps and web interfaces, optimized performance and accessibility for high-traffic sites, and integrated third-party APIs to automate workflows. I’m comfortable working across the stack and enjoy turning complex requirements into solid, maintainable code.

Available to hire

I’m a full-stack developer with 3 years of hands-on experience building high-impact web apps for major e-commerce brands. I’m a fast learner, adaptable, and reliable under pressure. I build clean, scalable solutions that solve user problems.

I’ve shipped Shopify apps and web interfaces, optimized performance and accessibility for high-traffic sites, and integrated third-party APIs to automate workflows. I’m comfortable working across the stack and enjoy turning complex requirements into solid, maintainable code.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Full-Stack Developer at Craftberry

February 1, 2024 - Present

Developed custom Shopify apps using React, Node.js, and GraphQL to improve store functionality for enterprise merchants, resulting in expanded merchant capabilities. Optimized page speed and accessibility for high-volume Shopify merchants, boosting conversion rates by up to 12% and improving page speed by up to 2x. Integrated third-party APIs and automated workflows to enhance merchant operations and reduce manual processes. Built data-driven reports using Python (Pandas, NumPy) to provide actionable insights that helped merchants optimize operations and increase revenue.

Full-Stack Developer Intern at Unbelievable Digital

October 1, 2023 - December 1, 2023

Created a mobile locksmith service booking feature using Laravel and Google API, making it easier for users to request help remotely. Built a product stock tracking system and admin dashboard that helped dealerships manage inventory and generate reports more easily.

Front-End Developer Intern at Extramus

April 1, 2023 - September 1, 2023

Developed a user interface and admin dashboard for a hotel booking website, enabling the hotel to accept online bookings for the first time.

Contract Worker at Uitzendbureau Den Haag

September 1, 2021 - August 1, 2022

Contract work across multiple projects for a staffing agency in the Netherlands.