Senior Backend Software Engineer (IoT Platform)

Join our team as a Senior Backend Software Engineer, where you will play a crucial role in building and maintaining the backend platform for our connected-device products. You will work across various areas including cloud services, APIs, data pipelines, fleet management, and real-time device communications. Your responsibilities will include developing and improving backend services, designing and maintaining PostgreSQL schemas, building data-ingestion services, and investigating and resolving production issues. This is a hands-on role that requires strong experience in backend software development, Python, and cloud services.

Missions

• Contribuer à la construction, à la maintenance et à l'amélioration des services backend Python/FastAPI, des API REST et des points de terminaison WebSocket.
• Développer des fonctionnalités pour le provisionnement des appareils, la gestion de la flotte, la télémétrie, les événements, l'état des appareils, la gestion du firmware et les mises à jour OTA.
• Participer aux revues de code et contribuer à des pratiques d'ingénierie claires et maintenables, tout en partageant vos connaissances et en aidant à établir des modèles backend sensés.

Profil recherché

- This is a hands-on role for an engineer who enjoys building production systems, solving practical problems, and working closely with embedded, hardware, frontend, and product teams

- Experience with AWS services-or comparable cloud platforms-with hands-on AWS experience preferred, especially EC2, Lambda, S3, Cognito, and infrastructure-as-code

- Experience with Git workflows, CI/CD, code review, and production deployment practices

- Clear communicator who can work effectively across engineering disciplines

- 5+ years of backend software development experience in production systems

- Strong Python experience and hands-on experience with FastAPI, Django, Flask, or comparable backend frameworks

- Experience with MQTT, WebSockets, message-driven architecture, or real-time data delivery

- Strong knowledge of PostgreSQL, SQL, schema design, migrations, query optimization, and data lifecycle management

- Experience designing and building REST APIs

- Experience with Linux

- Strong automated-testing skills, including unit, integration, and end-to-end testing

- This is a fast-paced, high-impact environment - flexibility to occasionally work extended hours or weekends during critical periods is expected

- Experience in aerospace, satellite, industrial IoT, or other mission-critical environments

- Experience with AWS CDK, Terraform, or other infrastructure-as-code tools

- Familiarity with embedded systems, wireless communications, or sensor-rich hardware

- Experience with AWS IoT Core, IoT Jobs, Device Shadows, or IoT fleet provisioning

- Experience building cloud-connected IoT, device-management, telemetry, or other event-driven systems

- Experience building firmware OTA, device telemetry, or fleet-management platforms

- Experience with Redis, RDS Proxy, queues, stream processing, or event-driven architectures

- Experience with security-focused systems, audit logging, or operational compliance