Aircall is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale. We're redefining what a customer communications platform can be—by combining voice, SMS, WhatsApp, and AI into one seamless workspace.The result—companies grow revenue, deliver faster resolutions, and scale service.Aircall operates in nine global offices (Paris, New York, San Francisco, Sydney, Madrid, London, Berlin, Seattle, and Mexico City), and is backed by world-class investors. Our teams are shipping AI innovation faster than ever and expanding across new product lines and markets.At Aircall, you'll join a company in motion—ambitious, profitable, and product-driven—where impact is visible, decisions are fast, and growth is real.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. 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, ...).Create, design, develop, test, and monitor your code in production autonomously and reliablyWork with your team to design high quality, secure, and scalablesolutions and be accountable for their executionYou 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.Typescript/Node.js, Python, REST API/GraphQL APIs, Ruby/Rails, ReactAWS/Serverless or EKS, PostgreSQL, DynamoDB, OpenSearch, Redis