Eugene S.

I am a Full-Stack Engineer with over three years of experience building scalable web applications and SaaS products. My current focus is Shopify-based e-commerce, where I work on performance, integrations, and product development. Currently at Upnova, a Shopify upsell platform that has surpassed $1M ARR, where I own frontend and full-stack development across the core product. My day-to-day includes: - Building and maintaining Shopify app UI and themes using React, TypeScript, Tailwind CSS, Builder[dot]io, and Liquid, including merchant-facing dashboards, storefront widgets, and theme customization - Shopify API integrations (App Bridge, Storefront API, Admin API, webhooks, metafields) - Backend development with Node.js, GraphQL (Pothos/Urql), Prisma, and PostgreSQL on Gadget.dev - Performance optimization and INP/Core Web Vitals debugging in production Shopify storefronts - Cross-functional collaboration with a small product team on feature scoping and delivery Previously at Shook Digital, I contributed to a high-performance web-based video editing platform focused on performance, scalability, and bulk editing, recognized as the #1 fastest-growing SaaS startup in Finland (Sifted, 2024). I am also the founder of BotBrains, a no-code algorithmic trading platform featured on the official MetaTrader (MQL5) website, built end-to-end as a solo engineer. Technical stack: - Frontend: React, TypeScript, JavaScript, Tailwind CSS, Builder[dot]io, Liquid - Backend: Node[dot]js, GraphQL (Pothos, Urql), Prisma ORM, Zod - Databases: PostgreSQL, MySQL - E-commerce & SaaS: Shopify (App Bridge, APIs, webhooks, themes), Gadget[dot]dev - Cloud & Infrastructure: Google Cloud Platform, Cloudflare - Other: PHP, Laravel, WordPress, MQL5