Senior Software Engineer

Aircall•San Francisco, CA

12d•$154,000 - $220,000

About The Position

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. Weâre 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. Aircallâs 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. Weâve built a product customers love and a business thatâs scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, youâll join a company in motion. Weâre ambitious, product-driven, and execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall: Weâre 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, youâll feel at home here. We are building a new team from the ground up to work on an ambitious new product in a fast-moving, competitive market. This product will leverage Aircall's core strengths in voice and AI to transform how sales teams operate, helping them work faster, smarter, and more effectively at scale. As one of the first engineers on this team, you'll have significant ownership and influence over the technical direction and product development. We're looking for engineers who are excited to build 0-to-1, thrive in ambiguity, and want to grow with the team, whether that means deepening technical expertise or eventually stepping into technical leadership and management roles as we scale.

Requirements

At least 3 years of professional experience in full-stack development.
Experience with AWS services and cloud-based architectures.
Deep understanding of software development practices, scalable system architecture, security best practices and cloud-based platforms.
Exceptional analytical and problem-solving skills, with the ability to effectively troubleshoot complex issues.
Excellent communication and collaboration skills; you thrive working closely with product managers, designers, and cross-functional teams.
Comfortable working in a fast-paced, dynamic environment with evolving priorities.

Nice To Haves

Experience building products from 0-to-1 or in early-stage team environments.
Experience with the complete software development life cycle, from design to deployment and operation.
Experience with building secure, scalable, and performant software.

Responsibilities

Collaborate closely with product managers, designers, and other stakeholders to translate requirements into technical solutions.
Have key responsibilities within the design, architecture, and end-to-end delivery of features across the full stack.
Build and maintain frontend interfaces with React and backend services with Node.js and TypeScript.
Write clean scalable code and test and deploy applications and systems
Revise, update, refactor, and debug code.
Participate in code reviews to ensure code quality and share knowledge.
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.
Security is at the forefront of your mind in everything that you do.