fullstack developer for headless commerce

FocusReactive is a modern consultancy company specializing in Jamstack, Headless CMS, and Headless eCommerce development. It helps clients build modern, performant marketing platforms based on headless CMS and ecommerce storefronts.

• Build modern and performant marketing platforms based on headless CMS and ecommerce storefronts;
• Develop scalable JavaScript applications for web, mobile, and desktop;
• Integrate with clients’ product delivery and design processes;
• Drive key decision-making;
• Provide expert advice on building scalable React and Node.js applications;
• Lead client teams by example;
• Contribute to the global developer community and technology conferences.

• 4+ Years of professional JavaScript development experience with React and Next.js;
• 2+ Years of experience with Node.js;
• Mandatory experience with coding agents, including Claude Code, Gemini CLI, Codex, and Cursor in agentic mode;
• Experience integrating cloud services, RESTful APIs, and GraphQL;
• Proficiency in front-end markup and styling, including CSS and Tailwind CSS;
• Familiarity with design patterns, data structures, and algorithms;
• English at B2 level for communication with clients.

• B2B, Business Incubator, or self-employment;
• English language courses;
• Coverage of professional trainings, technical and non-technical courses, workshops, and conferences;
• Regular team-building activities, including breakfasts, lunches, and occasional off-sites;
• 28 Days off per year, including local public holidays;
• 8 Annual sick leaves;
• Medical and sport expense coverage;
• Remote work with optional coworking in Warsaw or Minsk.