Software engineer, Programmable Comms - Madrid
AircallMadrid, Community of Madrid, Spain
Posted December 11, 2025
Full Time
About the Company
Aircall is a unified communications platform that integrates voice, SMS, WhatsApp, and social media into a single interface, syncing with over 100 business apps. Our AI-powered system automates call routing and repetitive tasks, providing actionable insights to enhance customer interactions and drive growth. Trusted by over 20,000 businesses globally, Aircall empowers teams to focus on building strong customer relationships.
Job Description
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.
Requirements
- Design and build highly scalable and secure backend services, ensuring high availability, performance, and security to support high-volume workloads
- Design and maintain robust CI pipelines (GitLab CI), release workflows, and automated testing to implement continuous delivery best practices in production environments.
- Debug and optimize the application’s performance, focusing on memory leaks and CPU usage in a desktop environment, critical for maintaining a high audio quality during calls.
- Operate, monitor, and optimize distributed systems in AWS production environments
- Apply a deep understanding of RTC / VoIP architectures and protocols
- Participate in an on-call rotation to respond to critical system issues
Benefits
- Competitive salary package & benefits
- Work-life balance
- Fast-learning environment
- Entrepreneurial and strong team spirit
- 45+ Nationalities: cosmopolite & multi-cultural mindset