Senior Backend Engineer - AI-Driven Conversational Platform

Aircall; Madrid; On-site; EUR 75,000 - 110,000; Full time

Benefits offered by this job

Competitive compensation

Job summary

Aircall is seeking a Senior Software Engineer to lead backend development using TypeScript and Node.js, deployed on AWS. You will build scalable services, collaborate with product managers and designers, and ensure high-quality code through testing and observability.

Strong focus on security, performance, and reliability, with exposure to frontend work (React) a plus. Join a fast-moving, data-driven environment that values ownership and mentorship across teams.

Qualifications

• At least 7+ years of backend development with a focus on security, scalability, availability and performance.
• Extensive experience with AWS in production environments for high-volume services.
• Nice to have frontend exposure, preferably React, and strong collaboration with product and design teams.

Responsibilities

• Design, develop, test, and monitor code in production autonomously and reliably.
• Collaborate with product managers, designers and other engineers to implement end-to-end solutions.
• Design high quality, secure architectures and be accountable for their execution.
• Understand the business context to deliver relevant solutions to users and clients.

Skills

7+ years backend development

TypeScript & NodeJS

AWS production experience

React frontend experience

Tools

AWS

Serverless

Kubernetes

PostgreSQL

DynamoDB

OpenSearch

Redis

Job description

Aircall is seeking a Senior Software Engineer to lead backend development using TypeScript and Node.js, deployed on AWS. You will build scalable services, collaborate with product managers and designers, and ensure high-quality code through testing and observability.

Strong focus on security, performance, and reliability, with exposure to frontend work (React) a plus. Join a fast-moving, data-driven environment that values ownership and mentorship across teams.