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I’m Maxim Tolmachov, a full-stack software engineer focused on Shopify-first commerce and enterprise-grade integrations. With 8+ years of experience, I build scalable eCommerce and SaaS solutions—covering theme and custom app development, headless commerce, and reliable ERP/CRM integrations—while keeping performance, conversion, and maintainable architecture at the center of everything I ship. I also apply Python-driven AI systems and automation pipelines to extend team capacity and streamline operations. I’ve led and optimized Shopify projects through CRO and SEO initiatives, running A/B testing and improving analytics instrumentation with tools like GA4/GTM, and I mentor engineers to raise code quality and UX standards across delivery teams.…I’m Maxim Tolmachov, a full-stack software engineer focused on Shopify-first commerce and enterprise-grade integrations. With 8+ years of experience, I build scalable eCommerce and SaaS solutions—covering theme and custom app development, headless commerce, and reliable ERP/CRM integrations—while keeping performance, conversion, and maintainable architecture at the center of everything I ship. I also apply Python-driven AI systems and automation pipelines to extend team capacity and streamline operations. I’ve led and optimized Shopify projects through CRO and SEO initiatives, running A/B testing and improving analytics instrumentation with tools like GA4/GTM, and I mentor engineers to raise code quality and UX standards across delivery teams.

Maxim Tolmachov

Full Stack Developer, Software Engineer, Web Developer, +3

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I’m Maxim Tolmachov, a full-stack software engineer focused on Shopify-first commerce and enterprise-grade integrations. With 8+ years of experience, I build scalable eCommerce and SaaS solutions—covering theme and custom app development, headless commerce, and reliable ERP/CRM integrations—while keeping performance, conversion, and maintainable architecture at the center of everything I ship. I also apply Python-driven AI systems and automation pipelines to extend team capacity and streamline operations. I’ve led and optimized Shopify projects through CRO and SEO initiatives, running A/B testing and improving analytics instrumentation with tools like GA4/GTM, and I mentor engineers to raise code quality and UX standards across delivery teams.…I’m Maxim Tolmachov, a full-stack software engineer focused on Shopify-first commerce and enterprise-grade integrations. With 8+ years of experience, I build scalable eCommerce and SaaS solutions—covering theme and custom app development, headless commerce, and reliable ERP/CRM integrations—while keeping performance, conversion, and maintainable architecture at the center of everything I ship. I also apply Python-driven AI systems and automation pipelines to extend team capacity and streamline operations. I’ve led and optimized Shopify projects through CRO and SEO initiatives, running A/B testing and improving analytics instrumentation with tools like GA4/GTM, and I mentor engineers to raise code quality and UX standards across delivery teams.

Available to hire

I’m Maxim Tolmachov, a full-stack software engineer focused on Shopify-first commerce and enterprise-grade integrations. With 8+ years of experience, I build scalable eCommerce and SaaS solutions—covering theme and custom app development, headless commerce, and reliable ERP/CRM integrations—while keeping performance, conversion, and maintainable architecture at the center of everything I ship.

I also apply Python-driven AI systems and automation pipelines to extend team capacity and streamline operations. I’ve led and optimized Shopify projects through CRO and SEO initiatives, running A/B testing and improving analytics instrumentation with tools like GA4/GTM, and I mentor engineers to raise code quality and UX standards across delivery teams.

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Work Experience

Software Engineer | Shopify app + theme & AI at Shopify app + theme & AI (MacPaw Led)

January 1, 2024 - April 1, 2026

Developed full-stack Shopify apps and custom themes, integrating AI-driven features and automation pipelines to solve complex ecommerce challenges. Architected headless commerce solutions using Remix, React, and Shopify Functions for high-traffic stores processing millions of annual revenue.

Software Engineer | Shopify App & Theme + AI at Shopify app + theme & AI (Ukraine / MacPaw-led)

January 1, 2024 - April 1, 2026

Developed and delivered Shopify app and custom theme features, integrating AI-driven functionality and automation pipelines to solve complex eCommerce challenges. Architected headless commerce solutions using Remix, React, and Shopify Functions for high-traffic stores, supporting large-scale processing needs across stores with significant revenue impact.

Software Engineer | Shopify App + Theme & AI at Shopify app + AI (MacPaw Led)

January 1, 2024 - April 1, 2026

Developed and optimized Shopify apps and custom themes, integrating AI-driven features and automation pipelines to solve complex eCommerce challenges. Architected headless commerce solutions using Remix, React, and Shopify Functions for high-traffic stores processing millions in annual revenue.

Senior Full Stack Shopify Developer | SEO | CRO at Shopify Plus | Checkout Workflow | Performance optimization

January 1, 2021 - May 1, 2026

Built and optimized high-performance Shopify themes focused on speed, accessibility, and maintainability. Integrated complex third-party systems and APIs to extend store functionality. Conducted A/B tests and shipped data-backed improvements to increase engagement and conversions. Mentored junior and mid-level developers, promoting best practices in performance, UX, and clean architecture. Helped clients scale confidently and profitably by delivering platforms that perform reliably and drive measurable business impact. Collaborated with design, marketing, and strategy teams to align technical solutions with business goals.

Senior Full Stack Shopify Developer | SEO | CRO at Shopify Plus (United States)

January 1, 2021 - May 1, 2026

Built and optimized high-performance Shopify themes focused on speed, accessibility, and maintainability. Integrated complex third-party systems and APIs to extend store functionality, and conducted A/B tests with data-backed improvements to increase engagement and conversions. Mentored junior and mid-level developers, promoting best practices across performance, UX, and clean architecture. Enabled clients to scale confidently and profitably with Shopify platforms that performed reliably and drove measurable business impact, collaborating across design, marketing, and strategy to align technical solutions to business goals.

Senior Full Stack Shopify Developer | SEO | CRO at Shopify Plus | Checkout Workflow

January 1, 2021 - May 1, 2026

Built and optimized high-performance Shopify themes focused on speed, accessibility, and maintainability. Integrated complex third-party systems and APIs to extend store functionality. Conducted A/B tests and implemented data-backed improvements to boost engagement and conversions. Mentored junior and mid-level developers, promoting best practices in performance, UX, and clean code architecture. Enabled clients to scale confidently and profitably by building platforms that performed reliably and drove measurable business impact. Collaborated with design, marketing, and strategy teams to align technical solutions with business goals.

Web Developer at Grammarly (Ukraine)

March 1, 2019 - May 1, 2021

Developed full-stack web applications using modern front-end frameworks and Node.js/GraphQL back ends. Built foundational machine learning models and data pipelines as part of establishing technical groundwork in AI and automation engineering that later supported a Shopify-focused specialization. Produced scalable, data-driven components aligned with enterprise needs.

Software Engineer at Combined deep Shopify platform expertise + Python-based AI systems

March 1, 2019 - May 1, 2021

Developed full-stack web applications using modern frontend frameworks and Node.js/GraphQL backends. Built foundational machine learning models and data pipelines. Established technical groundwork in AI and automation engineering that later defined Shopify-focused specialization.

Software Engineer at Combined deep Shopify platform expert

January 1, 2019 - May 1, 2021

Developed full-stack web applications using modern front-end frameworks and Node.js/GraphQL backends. Built foundational machine learning models and data pipelines, establishing the technical groundwork that later supported Shopify-focused specialization. Worked on enterprise-ready, scalable solutions powered by Python-based AI systems.