Staff Software Engineer

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 passionate Staff Engineer to join our growing engineering department and be a technical leader across our engineering teams.

As a Staff Engineer , you will be responsible for driving influence across teams and domains, leading solution delivery on cross-functional and strategic initiatives, and serving as a technical leader within the engineering organization. You will ensure the set quality standards and drive the adoption of best practices in architecture, security, and DevOps.

Quality, excellence, and agility drive our delivery processes and you will help us level these up. Using NodeJS and Typescript back-end stacks, appropriate for each requirement, but always hosted on AWS , we build added value and resilient services on top of voice and fully integrate with our customers’ business critical tools (CRM, Helpdesk, E-Commerce, …).

Your mission @ Aircall:

• Lead transversal, complex projects, fully autonomously from ideation to completion, starting from a high-level problem statement.

• Proactively communicate the technical vision across multiple teams, ensuring alignment and sharing knowledge across domains.

• Act as a go-to expert, providing mentorship and guidance across teams.

• Deeply understand multiple product domains; proactively identify improvements and advocate for customer needs across the company.

• Lead and define technical strategies for complex, impactful problems.

• Set and uphold higher quality standards and drive adoption of best practices in architecture, security, and DevOps.

• Writes production-ready code, finding appropriate solutions for medium complexity challenges; participates in software design discussions; demonstrates a good understanding of system infrastructure and DevOps principles; contributes to performance and quality within their scope; applies a security-first mindset.

A little about you:

• A little about you:You have extensive experience (e.g., 10+ years) in back-end development, using TypeScript & NodeJS/Python/Ruby/Rails or other languages, with a focus on delivering for security, scalability, availability, and performance across multiple domains.

• You lead and define technical strategies, demonstrating a strong understanding of system design to solve complex, impactful problems.

• You are comfortable leading the development of complex projects affecting multiple teams and domains , driving initiatives from ideation to completion.

• You are an expert at identifying opportunities for new impactful initiatives.

• You have a deep understanding of multiple product domains and can anticipate long-term needs.

• You possess effective and proactive communication skills, and can collaborate with different profiles and roles to ensure cross-domain alignment.

Our Tech Stack:

• You do not need to be familiar with all of our technical stack or any specific functional area, but you have a strong willingness to learn and adapt quickly.

• Typescript/Node.js, Python, REST API/GraphQL APIs, Ruby/Rails, React AWS/Serverless or EKS, PostgreSQL, DynamoDB, OpenSearch, Redis

Why join us?

🚀 Key moment to join Aircall in terms of growth and opportunities
💆‍♀️ Our people matter, work-life balance is important at Aircall
📚 Fast-learning environment, entrepreneurial and strong team spirit
🌍 45+ Nationalities: cosmopolite & multi-cultural 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 that 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.

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