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Aircall

Posted 7 months ago

Open

Senior Fullstack Engineer

ParisOn-siteFull-time

AI Summary

Senior software engineer on Aircall's Communication Platform, focusing on design, development, deployment, and operation of business-critical features for Number Management. Mentors peers and drives quality, security, and performance.

About this role

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.

Our momentum comes from a simple idea: help teams work smarter, not harder. Aircall’s AI Voice Agent automates routine calls, AI Assist streamlines post-call work, and AI Assist Pro delivers real-time guidance so people can do their best work. The result is higher revenue, faster resolutions, and teams that scale with confidence.

Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We’ve built a product customers love and a business that’s scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines.
At Aircall, you’ll join a company in motion. We’re ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth.

How we work at Aircall: We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter, you’ll feel at home here.

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.

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:

  • Join a small, collaborative team with a mindset that values autonomy and proactivity while ensuring you are never alone.
  • The team is spread between France, Spain, India and Portugal, promoting a diverse and inclusive work culture.
  • Sharing and collaboration are key within the team, encouraging open communication and teamwork to achieve the best outcomes.

    • Requirements:

  • You have at least 5+ years of experience in backend development with preferably a typed language (Typescript/Node.js, Java, C#) with a focus on delivering for scalability, availability, security and performance
  • You have at least 2+ years of experience working on frontend applications, preferably with React, but experience with Angular is also valued.
  • You have experience with serverless architectures, microservices or distributed systems.
  • You have worked extensively with AWS in a production environment and understand how to design for, deploy on and get the best out of, the environment and services provided by Amazon
  • You can talk easily and spontaneously about most of the offerings on AWS, when to use them, and how, and can explain to junior engineers
  • Security is at the forefront of your mind in everything that you do

    • Skills

    AngularAPIsAWSC++CI/CDDistributed SystemsDockerGRPCJavaKubernetesLinuxMicroservicesMonitoringNode.jsNoSQLOn-callReactREST APIRubySecurityServerlessSQLTypeScript

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