Eugene – Shopify, Typescript, React

Major US health supplements retailer. Led a full-stack BigCommerce to Shopify migration, architecting a custom storefront on Horizon custom elements as the sole developer from project kickoff through the February 2026 go-live.

• Acted as sole developer on the end-to-end migration, owning all architecture decisions from project kickoff through the February 2026 go-live;
• Engineered a seamless React microfrontend injection from the Constructor.io PIM system for dynamic product data rendering;
• Architected highly scalable middleware using Cloudflare Workers, Queues, and Drizzle ORM to process real-time inventory updates from a custom ERP;
• Developed custom Shopify App extensions and Shopify Functions for advanced checkout validation logic and custom checkout fields;
• Styled custom theme and microfrontend components with Tailwind CSS; implemented Alpine.js with Alpine UI for interactive elements on secondary pages;
• Used AI tools like Cursor's coding agents to accelerate and optimize development.

A public Shopify app that enables AI agents to discover and ingest merchant store data via a structured llms.txt file. Designed, built, and published end to end.

• Architected and deployed the app using the React Router template and Node.js for backend processing; listed in the Shopify App Store within days of submission;
• Engineered complex GraphQL bulk operations to efficiently query and extract comprehensive product, collection, and store data;
• Developed an automated backend pipeline to generate the structured llms.txt file and implemented server-side redirects to route AI agents directly to the context endpoint;
• Designed a merchant-facing admin dashboard to monitor data extraction status and manage application configuration.

Health-focused hydration brand on Shopify Plus. Full-scale storefront redesign with a custom subscription flow built on Recharge.

• Executed a comprehensive front-end redesign by heavily customising the Maestro Focal premium theme to match the brand identity;
• Engineered responsive, mobile-first layouts with Tailwind CSS to ensure rapid styling and optimal Core Web Vitals across all device types;
• Integrated Alpine.js with Recharge API endpoints to build a highly interactive custom subscription flow directly within product pages;
• Developed modular custom Liquid sections and blocks, providing the merchant with a flexible and intuitive theme editor experience;
• Integrated Microsoft Clarity for user interaction heatmaps, enabling data-driven UI improvements for the subscription funnel;
• Optimised storefront assets, script loading, and image delivery to significantly reduce server response times and cumulative layout shifts.

Performance menswear brand on Shopify. Led CRO initiatives and AI-accelerated legacy code refactoring on a customised Dawn theme.

• Spearheaded extensive Conversion Rate Optimisation (CRO) initiatives on a highly customised Dawn theme architecture;
• Integrated and configured Intelligems to deploy complex front-end A/B split tests without degrading page load speeds or user experience;
• Deployed Hotjar for session recordings and heatmaps; leveraged behavioural data to pinpoint UI friction and validate CRO test results;
• Executed deep structural refactoring of legacy Liquid code and JavaScript assets to modernise theme components and improve maintainability;
• Leveraged Cursor AI agents with custom command rules to automate and accelerate the front-end refactoring process;
• Conducted rigorous code quality audits to ensure AI-assisted sections adhered to modern Shopify front-end performance standards.

Berlin-based luxury modular furniture brand. Custom Shopify storefront with advanced serverless automation workflows and a CI/CD deployment pipeline.

• Developed a highly customised storefront with SCSS, implementing pixel-perfect grid layouts across 5 distinct resolution breakpoints;
• Built complex serverless automation workflows combining Shopify Flow and Make (Integromat) for critical post-order data migration into Airtable;
• Established a robust CI/CD deployment pipeline using GitHub Actions for reliable, automated, version-controlled theme deployments;
• Developed a synchronised backend process to automatically generate and dispatch manufacturing documentation to furniture suppliers upon order creation.

One of Eastern Europe's largest IT companies. Joined as a junior developer and grew to lead a 20-person Shopify engineering department over 3.5 years, delivering client projects across multiple e-commerce verticals.

• Progressed from Junior to Team Lead, taking ownership of technical direction and delivery standards for a 20-person Shopify development department;
• Delivered diverse client projects spanning React/Node.js web applications, Shopify theme development, custom app integrations, and platform migrations across multiple e-commerce verticals;
• Introduced Shopify Hydrogen headless commerce to the team's stack, upskilling engineers and delivering the department's first headless Shopify storefronts;
• Established coding standards, code-review processes, and CI/CD practices that improved team delivery consistency and reduced regression rates;
• Mentored junior and mid-level engineers through pair programming, technical sessions, and structured code reviews.