Senior Full-Stack Engineer (Shopify Remix Node TypeScript)

IT Teams is a Romanian company specialized in software outsourcing and remote staffing. We aim to assemble passionate experts to help companies and startups achieve success. We deliver the perfect combination of technical skills methodology and high speed delivery techniques to help startups and established companies extend their development teams.

Tasks

Clients ecommerce platform is a custom headless Shopify architecture built with React Router v7 (formerly Remix) and TypeScript organized in a Turborepo monorepo and deployed on Vercel. The system integrates Shopify and a network of custom Node-based microservices that coordinate data from Salsify (PIM) HubSpot and internal event pipelines. Multiple custom Shopify apps (admin checkout UI extensions functions) extend core capabilities including advanced bundling logic and dynamic draft order workflows.

Requirements

• Deep Shopify experience building against Admin Storefront Functions and Checkout UI Extension APIs; understanding of platform constraints and best practices for scalable workarounds
• Advanced React / Remix / proficiency with a strong understanding of SSR routing and composable architecture
• Full-stack TypeScript expertise including typing complex data models and designing maintainable shared packages across a monorepo
• Microservices & API integration designing deploying and consuming Node-based services to orchestrate data and events between systems (Shopify Salsify HubSpot )
• Strong systems-thinking mindset able to reason about architecture data flow and the impact of design decisions across services
• Performance and reliability focus experience with caching code splitting async lifecycles and observability (Sentry)
• Proficiency with CI/CD pipelines and GitHub automation (linting tests deployments)
• Comfortable in modern headless commerce environments familiarity with Vercel and related tooling
• Bonus: Experience with event-driven systems AI-assisted development (Cursor Claude ChatGPT etc) or eCommerce data workflows (PIM/ERP)

The ideal candidate

• Senior engineers with hands-on experience pushing the limits of Shopifys ecosystem who can architect implement and maintain large-scale integrations with clear thinking and precision. Someone who thrives in a modern TypeScript-first microservices-driven environment and can make pragmatic scalable technical decisions.

Wondering what it is like to work at a fast growing company while the team is still small Want to make an impact in building a product that is changing an entire industry Thats the kind of opportunity were offering.

Effort: Remote

Location: Romania