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Overview 

We are looking for an experienced Senior Full Stack Developer to take a leading role in building a smart home integration platform that connects lighting control systems with motorized shading solutions. The position focuses on developing secure, real-time, and intuitive applications deployed on embedded gateway devices, leveraging modern full-stack technologies. 

General Information 

This role supports a premium residential automation team dedicated to crafting seamless, high-end user experiences. The project involves tightly integrating motorized shading systems with lighting control keypads to enable unified operation through proprietary IoT communication protocols. The platform operates on embedded Linux-based gateway devices, utilizing a TypeScript/Node.js backend and a lightweight web interface built with Preact. Core objectives include real-time device state synchronization, secure onboarding and pairing, scalable API development, and user-friendly configuration workflows. The solution is actively under development, with access to physical test hardware and a flexible, collaborative work environment. 

Key Responsibilities & Deliverables 

• Design, develop, and maintain backend services for device discovery, communication, and control
  
  
• Build responsive web interfaces for device setup, configuration, programming, and live status updates
  
  
• Implement real-time, bidirectional communication using WebSocket technologies
  
  
• Architect and maintain RESTful APIs for device management and automation scenarios
  
  
• Implement certificate-based security, authentication, and secure device pairing mechanisms
  
  
• Develop logging, monitoring, and recovery solutions for production environments
  
  
• Write comprehensive unit and integration tests to ensure reliability and maintainability
  
  
• Produce and maintain internal technical documentation and API specifications
  
  

Engagement Highlights
 

• Direct involvement in shaping next-generation smart home platforms
  
  
• Hands-on access to advanced testing environments and real-world IoT hardware
  
  
• Preference for candidates who can work onsite 1–2 days per week
  
  

Requirements
 
Must-Have
 

• 5+ years of professional software development experience
  
  
• 3+ years of hands-on experience with TypeScript/JavaScript in production systems
  
  
• 2+ years of backend development using Node.js and Express.js
  
  
• Experience building full-stack applications with React or Preact
  
  
• Strong command of REST API design, asynchronous programming, and troubleshooting
  
  
• Solid understanding of networking fundamentals (TCP, TLS, mDNS)
  
  
• Practical experience with WebSockets and device discovery protocols
  
  
• Comfortable working with proprietary or undocumented APIs and protocols
  
  
• Strong written and verbal communication skills with clear documentation practices
  
  

Nice-to-Have
 

• Prior experience with IoT platforms or smart home integrations
  
  
• Background in embedded systems or gateway device development
  
  
• Familiarity with Python for automation and tooling
  
  
• Understanding of state management in distributed environments
  
  
• Exposure to residential networking environments and common deployment challenges