Senior Software Engineer

Aircall

Hybrid

Madrid

Full-time

Senior

7+ yrs

Salary not listedPosted 4w ago

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Real job — pulled straight from Aircall’s careers page · Verified July 16, 2026 · No reposts.

Aircall is hiring a Senior Software Engineer — a full-time, based in Madrid role. Apply directly on Aircall's careers page below.

Senior Software Engineer

Team: 13001 - Engineering

Location: Madrid Office

Commitment: Permanent Full Time Employee

Workplace Type: hybrid

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 Senior Software Engineer to join our growing engineering department and be part of our engineering teams.

As a Senior Software Engineer, you will be responsible for the design, development, deployment, and operation of business-critical features that add customer value. Operational excellence, metrics, observability and 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 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:

Create, design, develop, test, and monitor your code in production autonomously and reliably
Collaborate with product managers, designers and other engineers to offer pragmatic solutions to real world problems and implement them end to end
Work with your team to design high quality, secure, and scalablesolutions and be accountable for their execution
Obtain a good understanding of the business to provide relevant solutions to users and clients
Mentor and promote tech growth within the teams
Stay up-to-date on new technologies and architectures, demonstrate good judgment in their potential applications

A little about you:

You have at least 7+ experience in back-end development, using TypeScript & NodeJS/Python/Ruby/Rails or other languages, with a focus on delivering for security, scalability, availability, and performance.
You have worked extensively with AWS in a production environment, preferably for high volume / high availability services and understand how to design for, deploy on and get the best out of, the environment and services provided by Amazon).
Experience working on frontend applications is a big plus, preferably with React.
Value code simplicity, quality, performance and maintainability.
Can design pragmatic & simple architectures to solve problems at scale.
You possess effective and proactive communication skills, and can collaborate with different profiles and roles.

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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