Senior Java & IoT Back-end Developer

Position Overview We are seeking an experienced Senior Java Backend Developer to join our dynamic engineering team working on a high-concurrency IoT PaaS platform. This role requires a technical leader who can design and develop scalable backend systems for IoT data collection, processing, and analysis while mentoring junior developers and collaborating cross-functionally to deliver robust enterprise solutions. Key Responsibilities Develop and maintain high-concurrency IoT PaaS services using SpringBoot framework Design and implement IoT data collection endpoints for various communication protocols (TCP, UDP, MQTT, HTTP) Build scalable data consumption and analysis endpoints for real-time IoT data processing Create robust data push endpoints and business-side APIs for seamless integration Develop audio/video alarm file services and streaming media components Design loosely coupled architecture with protocol-specific device access components Write protocol decoders following predefined rules for new IoT device integrations Implement webhook and OpenAPI methods for third-party platform integration Optimize system performance for high-throughput IoT data scenarios Conduct comprehensive code reviews and provide technical mentorship Collaborate with frontend developers, DevOps engineers, and product managers Lead backend architecture decisions and technical initiatives Implement comprehensive testing strategies and monitoring solutions Champion development best practices and coding standards Participate in agile development processes and sprint planning