Tech Stack Frontend: Next.js, React, TypeScript, gRPC-Web Backend: Nest.js, REST, Protocol Buffers, gRPC AI/ML: Python, PyTorch, TensorRT GPU: Custom CUDA kernels for video decoding and multi-stream inference Infrastructure: RabbitMQ, Bazel, Docker, Systemd Data: Vector database, PostgreSQL-17 Video: ONVIF, RTSP, HLS, WebRTC . About EdgeTrace YC W24 startup building AI-powered video management systems for law enforcement Real-Time Crime Centers and transportation departments.