Fullstack Senior Software Engineer (AI)

TL;DR

Fullstack Senior Software Engineer (Node/React/AI): Building a new AI-powered sales platform from the ground up with an accent on full-stack delivery, system architecture, and scalable cloud services. Focus on developing 0-to-1 product features, optimizing platform performance, and ensuring secure, high-quality voice solutions.

Location: Hybrid (Madrid Office)

Company

hirify.global is a cloud-based communications platform designed to help businesses manage their customer conversations and sales operations efficiently.

What you will do

• Translate product requirements into technical solutions in close collaboration with product managers and designers.
• Lead the design, architecture, and end-to-end delivery of features across the full stack.
• Build and maintain frontend interfaces using React and backend services with Node.js and TypeScript.
• Write clean, scalable code and manage the testing and deployment of applications.
• Optimize product and platform performance and handle live site monitoring.
• Participate in an on-call rotation to ensure continuous system reliability and security.

Requirements

• Professional experience with AWS services and cloud-based architectures.
• Deep understanding of scalable system architecture and security best practices.
• Exceptional analytical and problem-solving skills for troubleshooting complex issues.
• Excellent communication skills for working with cross-functional teams.
• Ability to thrive in a fast-paced, dynamic environment with evolving priorities.
• Must be based in or able to work from the Madrid office (Hybrid)

Culture & Benefits

• Customer-obsessed and data-driven culture focused on delivering meaningful outcomes.
• Environment that values ownership, continuous learning, and thoughtful speed.
• High level of trust and impact for engineers, especially in 0-to-1 product development.
• Collaborative, fast-moving atmosphere with opportunities to grow into technical leadership.