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I'm a senior Shopify developer with 7+ years of experience building and maintaining reliable, scalable Shopify Apps and storefronts using modern JavaScript and Ruby-based backends. I'm comfortable across the full Shopify stack—from frontend JavaScript and Liquid to backend APIs and MVC frameworks. I enjoy thoughtful experimentation and challenging assumptions, while valuing peer review, constructive feedback, and collaboration. I don't work in a black box—clients and teammates always understand what’s being built and why.…I'm a senior Shopify developer with 7+ years of experience building and maintaining reliable, scalable Shopify Apps and storefronts using modern JavaScript and Ruby-based backends. I'm comfortable across the full Shopify stack—from frontend JavaScript and Liquid to backend APIs and MVC frameworks. I enjoy thoughtful experimentation and challenging assumptions, while valuing peer review, constructive feedback, and collaboration. I don't work in a black box—clients and teammates always understand what’s being built and why.

Danylo Martynenko

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

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I'm a senior Shopify developer with 7+ years of experience building and maintaining reliable, scalable Shopify Apps and storefronts using modern JavaScript and Ruby-based backends. I'm comfortable across the full Shopify stack—from frontend JavaScript and Liquid to backend APIs and MVC frameworks. I enjoy thoughtful experimentation and challenging assumptions, while valuing peer review, constructive feedback, and collaboration. I don't work in a black box—clients and teammates always understand what’s being built and why.…I'm a senior Shopify developer with 7+ years of experience building and maintaining reliable, scalable Shopify Apps and storefronts using modern JavaScript and Ruby-based backends. I'm comfortable across the full Shopify stack—from frontend JavaScript and Liquid to backend APIs and MVC frameworks. I enjoy thoughtful experimentation and challenging assumptions, while valuing peer review, constructive feedback, and collaboration. I don't work in a black box—clients and teammates always understand what’s being built and why.

Available to hire

I’m a senior Shopify developer with 7+ years of experience building and maintaining reliable, scalable Shopify Apps and storefronts using modern JavaScript and Ruby-based backends. I’m comfortable across the full Shopify stack—from frontend JavaScript and Liquid to backend APIs and MVC frameworks.

I enjoy thoughtful experimentation and challenging assumptions, while valuing peer review, constructive feedback, and collaboration. I don’t work in a black box—clients and teammates always understand what’s being built and why.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Ukrainian

Fluent

English

Advanced

Work Experience

Senior Shopify Developer at Lazend Tech

April 1, 2024 - Present

Led development across frontend (JavaScript, Liquid) and backend APIs to build and maintain reliable, scalable Shopify solutions. Focused on clean, maintainable code and long-term scalability, enabling clients to grow their Shopify ecosystems.

Senior Shopify Developer at Fuel Made

September 1, 2023 - April 1, 2024

Developed and customized high-converting Shopify themes and apps; built and extended Shopify functionality to support complex business logic, integrations, and multi-vendor flows. Implemented SEO best practices and optimized performance, UX, and maintainability.

Lead Shopify Developer at Logo Media

June 1, 2022 - August 1, 2023

Led end-to-end Shopify solutions for Logo Media, driving architecture decisions, code reviews, and collaboration with cross-functional teams to deliver scalable storefronts and apps.

Senior Shopify Developer at Logo Media

October 1, 2021 - July 1, 2022

Delivered Shopify and Shopify Plus implementations, including theme customization, app integration, and performance optimizations. Mentored junior developers and ensured code quality and maintainability.

Shopify Developer at Logo Media

May 1, 2021 - November 1, 2021

Developed and customized Shopify storefronts and apps; contributed to front-end and back-end workflows, data handling, and store integrations.

Full Stack Developer at Helix Tech

February 1, 2020 - April 1, 2021

Drove e-commerce growth by translating business requirements into high-impact Shopify solutions. Led end-to-end software development and product launches for Shopify ecosystems, ensuring go-live stability and long-term maintainability.