Job Description

Summary:
Seeking a Senior Full Stack Developer to lead the development of a smart home integration platform that bridges lighting control systems with motorized shading solutions. This role involves building real-time, secure, and user-friendly applications on embedded gateway devices using modern full stack technologies.

General information:
This role supports a high-end residential automation team focused on delivering seamless, premium user experiences. The project centers on integrating motorized shading systems with lighting control keypads, enabling unified operation through proprietary IoT protocols. The system runs on embedded Linux-based gateways, with a TypeScript/Node.js backend and a lightweight web UI using Preact. Key goals include real-time state monitoring, secure device pairing, robust API development, and intuitive configuration interfaces. The project is in active development with access to physical test hardware and a flexible, collaborative work setup.

Task and deliverables:

Develop and maintain backend services for device discovery, communication, and control
Build web-based UI for device configuration, programming, and live updates
Implement WebSocket-based real-time communication across systems
Design and maintain RESTful APIs for device management and scene execution
Manage certificate-based authentication and secure device pairing workflows
Build error logging, monitoring, and recovery tools for production deployments
Write unit and integration tests to ensure code stability and maintainability
Create and maintain internal technical documentation and API references

Engagement highlights:

Hands-on role in shaping next-gen smart home experiences
Access to advanced test environments and real-world IoT hardware
Talents who can visit the office 1-2 days per week are preferred.

Requirements

Required:

5+ years professional experience in software development
3+ years working with TypeScript/JavaScript in production environments
2+ years backend experience with Node.js and Express.js
Experience building full-stack applications using React or Preact
Proficient in RESTful API design, asynchronous programming, and debugging
Strong understanding of networking fundamentals (TCP, TLS, mDNS)
Experience with WebSockets and device discovery protocols
Comfortable working with proprietary or undocumented APIs/protocols
Strong communication and documentation skills

Nice to have:

Experience with IoT device integration or smart home systems
Background in embedded or gateway systems development
Familiarity with Python scripting for tooling and automation
Understanding of state management in distributed systems
Exposure to residential networking setups and challenges