Senior Backend Programmer | Programmeur·euse Backend Sénior·e

Behaviour is looking for a Senior Backend Programmer to join our internal R&D team and help build the tools and services that production teams rely on every single day. In this role, you'll design systems that reduce time-to-production, empower developers across the studio, and run reliably at scale. The kind of behind-the-scenes work that quietly makes everything else possible. If you enjoy solving backend problems, care deeply about clean architecture and want your code to have a studio-wide impact, we'd love to hear from you.

Responsibilities

Design, build, and maintain advanced backend services and operational systems; Define technical specifications and requirements before developing new features and services; Diagnose and resolve issues to improve application stability, code quality, and CI/CD pipeline robustness; Collaborate closely with other developers to deliver scalable, production-grade services; Develop, execute, and analyze functional to ensure performance and reliability.

Requirements

Minimum of 5 years of backend development experience in Python; Strong, hands-on expertise in the AWS ecosystem, including services like Lambda, ECS, API Gateway, RDS, DynamoDB, S3, and CloudWatch; Solid grasp of REST APIs, WebSockets, and modern software architecture principles; Experience with Linux environments, server performance optimization, and secure client-server development; Experience with CI/CD practices and tools such as GitLab Pipelines, Jenkins, or GitHub Actions; Experience with Infrastructure as Code tools like Terraform, Pulumi, or CDK; Knowledge of relational and NoSQL databases, including data modeling and performance considerations.