We're looking for a Senior Software Engineer (Infra) to architect and build scalable, high-performance infrastructure that powers our real-time voice AI systems, handling hundreds of thousands of calls per day. You'll own everything from system design to deployment, ensuring reliability, scalability, and speed.

Responsibilities :

- Design and build scalable, distributed systems and infrastructure.

- Architect cloud-native solutions (AWS/GCP).

- Ensure system reliability and low-latency performance.

- Optimize performance, build monitoring and observability stacks (Prometheus, Grafana).

- Collaborate with AI engineers and product teams to deploy ML/voice workloads at scale.

Requirements :

- 5+ years in backend/platform/infrastructure engineering.

- Strong experience with Kubernetes (EKS/GKE), Terraform, AWS.

- Programming skills in Python (FastAPI, asyncio) or Go.

- Strong understanding of distributed systems, caching (Redis), and message queues (Kinesis/SQS).

- Familiarity with PostgreSQL, Redis, Prometheus, Grafana, and ELK Stack.

- (Bonus) Experience with MLOps, GPU orchestration, WebRTC, and real-time audio processing.