Senior Fullstack Engineer - Remote from Spain

Aircall is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale. We’re redefining what a customer communications platform can be—by combining voice, SMS, WhatsApp, and AI into one seamless workspace. Our momentum comes from a simple but powerful idea: help every customer-facing team work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call tasks, and AI Assist Pro delivers real-time guidance that helps people do their best work. The result—companies grow revenue, deliver faster resolutions, and scale service. We’ve built a product customers love and a business that scales fast. Aircall operates in nine global offices (Paris, New York, San Francisco, Sydney, Madrid, London, Berlin, Seattle, and Mexico City), and is backed by world-class investors. Our teams are shipping AI innovation faster than ever and expanding across new product lines and markets. At Aircall, you’ll join a company in motion—ambitious, profitable, and product-driven—where impact is visible, decisions are fast, and growth is real. How We Work at Aircall: At Aircall, we believe in customer obsession, continuous learning, and delivering extraordinary outcomes. We value open collaboration, taking ownership, and making smart, informed decisions with speed and precision. If you thrive in a fast-paced, team-driven environment where curiosity, trust, and impact matter, you'll fit right in We are looking for an engaged and passionateSenior Software Engineer to join our growing Communication Platform department and be part of the Number Management team. You will be responsible for the design, development, deployment, and operation of business-critical features that add customer value. Best practices, evangelization, and mentoring in your team and across the whole of Engineering will be part of your day to day job. Quality, excellence, and agility drive our delivery processes and you will help us level these up. Using Typescript and Ruby back-end stacks, appropriate for each requirement, but always hosted on AWS, we build added value and resilient services on top of voice and Al capabilities, and fully integrated with our customers' business critical tools.