Senior WebRTC Firmware Developer

3 days ago

bangalore, India Ezlo Innovation Full time

About the Role We're looking for an expert-level developer to own and evolve our WebRTC streaming orchestration service for smart home hub devices. This is a critical component that bridges IoT cameras with cloud services, enabling real-time video streaming for thousands of deployed devices. You'll join our firmware team and take full ownership of a production Go application (~6,600 lines) that handles WebRTC streaming, MQTT communication, and cloud integration. What You'll Work On WebRTC Streaming Pipeline - Manage real-time video streaming from IP cameras to cloud clients via WebRTC and RTSP protocols MediaMTX Integration - Orchestrate RTSP-to-WebRTC conversion through the MediaMTX server MQTT Gateway - Handle bidirectional messaging between hub devices and cloud infrastructure Network Resilience - Implement and improve retry logic, connection monitoring, and graceful degradation ICE/TURN Server Management - Coordinate P2P connectivity and credential distribution Metrics & Observability - Maintain OpenTelemetry tracing, structured logging, and performance metrics Tech Stack Language: Go 1.22 (compiled for ARM Linux) Protocols: WebRTC, RTSP, MQTT, WebSockets, MSE Key Libraries: paho.mqtt.golang, gortsplib, gorilla/websocket, zerolog, viper Infrastructure: MediaMTX, MQTT broker, cloud APIs CI/CD: GitLab pipelines, S3 deployment Target Hardware: ARM-based smart home hubs Requirements Must Have Expert Go development - Production experience with concurrent Go applications, goroutines, channels, and memory management Deep WebRTC protocol knowledge - Understanding of ICE, STUN/TURN, SDP negotiation, RTP/RTCP, and codec handling (H.264, MPEG4) Embedded systems experience - Comfortable with resource-constrained environments, ARM architecture, and cross-compilation Network debugging skills - Proficient with packet analysis, latency troubleshooting, and diagnosing connectivity issues across NAT/firewall scenarios RTSP/streaming protocols - Experience with real-time streaming, media servers, and video pipeline optimization Nice to Have MQTT protocol experience IoT/smart home domain knowledge Experience with MediaMTX or similar media servers OpenTelemetry/distributed tracing Linux systems programming What Success Looks Like Reliable video streaming with minimal latency across varying network conditions Quick diagnosis and resolution of streaming issues on deployed devices Clean, maintainable code that other firmware team members can understand Proactive identification of potential issues before they impact production Details Team: Firmware team Type: Full-time Hardware: Access to hub devices provided for development and testing How to Apply Please include: - Resume highlighting relevant WebRTC/streaming experience - Examples of Go projects you've built or contributed to - Brief description of a challenging networking or streaming problem you solved 

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