Senior Software Engineer - Paris

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Senior Software Engineer - Paris

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Aircall

Aircall is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale. Our momentum comes from a simple but powerful idea: help every customer-facing team work smarter, not harder.

How We Work at Aircall We value open collaboration, taking ownership, and making smart, informed decisions with speed and precision.

The Communications Platform Team The team is responsible for all technology aspects related to the voice and messaging infrastructure of Aircall products, delivering high-quality real-time communications.

Key responsibilities

Lead the development of new features and maintain the real-time communications application using the modern stack (TypeScript, React 18/19, and Vite).

Handle the specific challenges of real-time media, debugging, and resolving issues across all major browsers.

Take hands‑on ownership of developing and maintaining cross‑platform applications using Electron.

Design and maintain robust CI pipelines (GitLab CI), release workflows, and automated testing to implement continuous delivery best practices.

Participate in an on‑call rotation to respond to critical system issues.

Qualifications

Experience with TypeScript, React (18/19), and Vite.

Solid understanding of WebRTC and SIP protocols fundamentals.

Experience contributing to architecture and development within a monorepo.

Demonstrated ability to handle real‑time media challenges and debugging across browsers.

Hands‑on experience developing and maintaining cross‑platform Electron applications.

Experience implementing and managing real‑time data exchange using Websockets.

Experience with the software development life cycle, code reviews, GitLab, CI/CD, automated testing, deployment activities, and troubleshooting production issues.

Familiar with audio processing issues/optimization.

Familiar with xState or similar.

Modern developer experience with AI‑assisted development (Cursor, Claude). Fast CI/CD, type‑safe workflows.

Fluency in English, both written and spoken.

Autonomous, proactive, and comfortable owning features end‑to‑end.

Pragmatic mindset willing to experiment, iterate, and continuously improve systems.

Why join us? Key moment to join Aircall in terms of growth and opportunities.

People matter, work‑life balance is important.

Fast‑learning environment, entrepreneurial and strong team spirit.

45+ nationalities: cosmopolitan and multicultural mindset.

Competitive salary package & benefits.

DE&I Statement At Aircall, we believe diversity, equity, and inclusion – irrespective of origins, identity, background and orientations – are core to our journey. We pride ourselves on promoting active inclusion within our business to foster a strong sense of belonging for all. We’re working to create a place filled with diverse people who can enrich and learn from one another. We’re committed to ensuring that everyone not only has a seat at the table but is valued and respected at it by providing equal opportunities to develop and thrive. We will constantly challenge ourselves to make sure we live up to our ambitions around diversity, equity and inclusion, and keep this conversation open. Above all else, we understand and acknowledge that we have work to do and much to learn.

Candidate Privacy Notice: Find our Candidate Privacy Notice here.

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