Fullstack Engineer (Node.js + React)

TL;DR

Fullstack Engineer (Node.js + React): Building a demanding B2C e-commerce product with an accent on vertical delivery from API and data sync to storefront and admin UI. Focus on integrating ERP/commerce systems, payment gateways, and implementing spec-driven development using AI-assisted tools.

Location: Remote from anywhere in the world or from offices in Kyiv, Lviv, or Warsaw

Company

hirify.global is a technology partner helping businesses thrive through software engineering and a strong community-driven approach.

What you will do

• Deliver full vertical slices including backend services, APIs, data models, and storefront/admin UI.
• Implement and evolve e-commerce features such as catalogs, filters, checkout, and authentication.
• Design and maintain synchronization jobs for stock, pricing, and catalog data with clear source-of-truth boundaries.
• Build high-performance, accessible, and SEO-optimized surfaces using Next.js and React.
• Use AI coding assistants and Spec-Driven Development (SDD) workflows to implement features from written specifications.
• Conduct code reviews across the full stack and identify technical risks early, especially regarding payments and stock.

Requirements

• 3-5 years of commercial experience in full-stack or backend-heavy web development.
• Production-grade TypeScript expertise across both API and UI layers.
• Backend proficiency with Node.js and NestJS (or similar modular frameworks).
• Frontend experience with React and Next.js (App Router, SSR/SSG).
• Experience with PostgreSQL (schema design, migrations) and REST APIs.
• English: B2 (Upper Intermediate) or higher required for collaboration.
• Daily use of AI coding assistants (Cursor, Claude Code, GitHub Copilot, etc.).
• Experience with spec-first workflows (e.g., GitHub Spec Kit).

Nice to have

• E-commerce domain experience (PLP/PDP, carts, promotions).
• Experience with 1C/ERP inventory sync and payment/shipping integrations (e.g., Mono, Nova Poshta).
• SEO expertise (canonicals, sitemaps, Core Web Vitals).
• UI stack: Tailwind CSS, shadcn/ui, MUI, TanStack Query, Zustand/Redux.
• Experience with Message Queues (BullMQ, SQS), Docker, and AWS (Lambda, ECS, S3).

Culture & Benefits

• Competitive salary and regular performance appraisals.
• Professional development support, including online courses, certifications, and English language study compensation.
• Paid vacation (18 working days) and sick leave (15 days).
• VIP medical insurance or sports coverage.
• Flexibility to work fully remote from any country or use offices in Kyiv, Lviv, or Warsaw.
• Necessary equipment provided and coworking compensation.