Software Engineer – Programmable Comms

🕒 December 11, 2025

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Aircall

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2014

📡 Telecommunications

☁️ SaaS

🏢 Enterprise

💰 Venture Round on 2022-02

Telecommunications • SaaS • Enterprise

Aircall is a leading provider of cloud-based call center software, designed to streamline business phone communications for companies of all sizes. With innovative features like AI-powered conversation intelligence, smart call routing, and seamless integration with over 100 applications including major CRMs like Salesforce and HubSpot, Aircall enhances team productivity and customer interaction. The platform supports VoIP technology for virtual call center operations, eliminating the need for hardware and allowing for remote work. Trusted by over 19,000 companies worldwide, Aircall caters to various industries such as education, finance, and healthcare, offering a reliable and scalable solution for modern customer communication needs.

📋 Description

• 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.

🎯 Requirements

• You have solid experience building backend services (preferably in TypeScript) with a strong focus on security, scalability, availability, and performance. • You have strong knowledge of CI/CD pipelines, infrastructure-as-code, automated testing, and deployment best practices. • You have hands-on experience with GitLab CI/CD (or similar), release workflows, code reviews, and continuous delivery in production. • You are proficient in working in containerized environments (Docker, Kubernetes). • You have experience operating and optimising systems in AWS production environments, ideally supporting high-volume, high-availability workloads. • You have the ability to troubleshoot, monitor, and improve distributed systems running in production. • You have an understanding of RTC / VoIP architectures and protocols (SIP, RTP). • You are familiar with open-source SIP/RTC technologies such as FreeSWITCH, Kamailio, Asterisk, or similar. • You have exposure to media servers, signaling flows, or real-time communications debugging. • You stay current with modern development practices and tooling, including AI-assisted development tools, to maximize your productivity • You have strong communication skills and fluency in English (written and spoken). • You are autonomous, proactive, and comfortable owning features end-to-end. • You are pragmatic and have a willingness to experiment, iterate, and continuously improve systems.

🏖️ Benefits

• Competitive salary package & benefits