Senior Software Engineer in Seattle

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Job DescriptionJob DescriptionAircall 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 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.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.

Minimum Qualifications

• 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.

Qualifications

• 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.

This is not including equity and other benefits. The actual salary offered will carefully consider a wide range of factors, including your skills, qualifications, and experience.Why join us?
\uD83D\uDE80 Key moment to join Aircall in terms of growth and opportunities\uD83D\uDC86️‍♀️ Our people matter, work-life balance is important at Aircall\uD83D\uDCDA Fast-learning environment, entrepreneurial and strong team spirit\uD83C\uDF0D 45+ : cosmopolite & multi-cultural mindset\uD83D\uDCB5 Competitive salary package & equity\uD83C\uDFE8 Medical, dental, and vision insurance is 100% covered\uD83D\uDCC8 401k plan with company matching!✈️ Unlimited PTO — take the time you need to come to work feeling great!⭐️ Wellness, commuter, and childcare reimbursements\uD83D\uDC9A Generous parental leave policy
DE&I Statement: At Aircall, we believe , equity and – irrespective of origins, , background and orientations – are core to our journey. 
We pride ourselves on promoting active 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 that we live up to our ambitions around , equity and , and keep this conversation open. Above all else, we understand and acknowledge that we have work to do and much to learn.
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