Lead Fullstack Ruby Engineer (AI)

TL;DR

Lead Fullstack Ruby Engineer (AI): Designing and maintaining full-stack applications for AI and agent platforms with an accent on Ruby on Rails backend and React frontend integration. Focus on driving system architecture, ensuring scalability, and mentoring team members through code reviews and technical design.

Location: Must be based in Poland, Romania, or Brazil

Company

hirify.global is a technology company focused on building and scaling AI and agent-based platforms.

What you will do

• Design and maintain full-stack applications including backend services, APIs, and user interfaces.
• Develop backend systems using Ruby on Rails and responsive interfaces with TypeScript/React.
• Ensure high performance, security, and scalability across the entire application stack.
• Collaborate with designers and product teams to deliver end-to-end solutions.
• Provide technical guidance, conduct code reviews, and contribute to system architecture decisions.
• Improve development processes and overall developer experience.

Requirements

• 5+ years of professional software development experience.
• Must be based in Poland, Romania, or Brazil.
• Strong proficiency in TypeScript/JavaScript and React.
• Experience with PostgreSQL or MySQL.
• Experience with AI coding tools like Claude Code.
• English: Upper-intermediate level (B2+) required.

Nice to have

• Familiarity with AWS.
• Experience with TDD and automation QA.

Culture & Benefits

• Empowering culture that encourages shaping and building the future.
• Collaborative environment focused on innovation and creative problem-solving.
• Opportunity to work on cutting-edge AI and agent platforms.