A developer works on developing and maintaining home automation systems. They design, code, and troubleshoot projects, ensuring seamless integration of various devices like lighting, security systems, audio-video, and climate control. They work closely with architects, designers, and homeowners to customize the system as per specific needs. Their role also involves troubleshooting and resolving any technical issues to ensure optimal system performance. They must stay updated with the latest software and hardware updates and be proficient in programming languages such as Lua. They also require a strong understanding of networks and IoT devices.