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Senior WebRTC Firmware Developer
Senior WebRTC Firmware DeveloperEzlo Innovation • Kanpur, IN
Senior WebRTC Firmware Developer

Senior WebRTC Firmware Developer

Ezlo Innovation • Kanpur, IN
12 hours ago
Job description

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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    Firmware Developer • Kanpur, IN

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