Senior Frontend / Fullstack Engineer (AI-First | Next.js + Medusa.js)

People More is a technology company working on projects for a large client base both domestically and internationally. They build projects from scratch or partially, including UX, UI, frontend, backend, and mobile, working directly with clients and supporting partners worldwide.

• 5+ years of commercial experience in React/frontend engineering
• Production experience with Next.js
• Very strong TypeScript skills
• Daily practice with Core Web Vitals, Lighthouse, SEO, accessibility, and performance
• Experience with backend API, authentication, checkout, and payments integrations
• Experience with agentic coding workflow: planning, specification, context management, reviewing outputs, and testing
• Experience with headless commerce
• Medusa.js experience preferred
• Very good English and Polish

Nice to have:

• Fullstack experience
• NestJS
• PostgreSQL
• Prisma

• Developing and maintaining a modern headless e-commerce platform
• Building scalable and high-performance frontend solutions
• Ensuring performance, accessibility, and code quality
• Integrating backend APIs, authentication, checkout, and payment systems
• Supporting frontend and fullstack architectural decisions
• Using agentic coding as a real development workflow
• Performing code reviews and improving engineering standards