Senior Fullstack Engineer - Remote from Spain

Aircall is the world’s leading integrated customer communications and intelligence platform for growing businesses. Trusted by over 20,000 companies worldwide, Aircall unifies voice and digital channels into one seamless platform, offering one-click integrations with leading CRMs and over 100 business tools. With real-time, AI-powered insights and feedback, AI agents, and automation, we help sales and support teams save time on routine tasks, uncover opportunities, and deliver exceptional customer experiences. With a global team of 600+ across nine offices, Paris, New York, San Francisco, Sydney, Madrid, London, Berlin, Seattle, Mexico City, Aircall is transforming how businesses connect with their customers, driving smarter conversations, deeper relationships, and measurable success.

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 AI capabilities, and fully integrated with our customers' business critical tools.

Key Responsibilities :

• Participate in requirements analysis to help with providing the right technical and business solutions for our customers
• Have key responsibilities within the design, architecture, and end-to-end delivery of key modules
• Write clean scalable code and test and deploy applications and systems
• Review, update, refactor, and debug code
• Be part of an engineering organization delivering high quality, secure, voice solutions to Aircall clients
• Involvement in product and platform performance optimization and live site monitoring
• Participate in an on-call rotation to respond to critical system issues and ensure continuous system reliability
• Mentor team members

Team Environment :

Requirements :

Aircall is constantly moving forward. We’re building new roads to complete our journey, and we’re taking people with us who have the same builder mentality.

Let’s grow together : Aircall is a place for those who dare to be bold and seek responsibility, excellence, and the opportunity to push themselves to new heights.

We’re creating a place where great people trust one another and thrive together.

People flourish at Aircall and now is the time to be part of the team and the journey we’re on.

Why join us?