INTERLOCK SECURITY AND INVESTIGATION SERVICES PTE LTD Hiring! Full Time Embedded Linux - IoT Application Developer in North-east Region (Singapore), Earn up to SGD 3,500 - Ricebowl

Embedded Linux & IoT Application Developer

Job Summary

We are seeking a skilled Embedded Linux & IoT Application Developer to design, develop, and maintain intelligent automation and connected device solutions. The ideal candidate will have strong experience in Embedded Linux, IoT protocols, middleware development, device integration, and cloud connectivity. You will play a key role in building scalable systems that connect sensors, controllers, mobile applications, and cloud platforms for smart building and automation environments.

Key Responsibilities

• Develop and maintain Embedded Linux and IoT applications using Python and C.
• Design and implement communication solutions using MQTT, Modbus, RS485, and REST APIs.
• Integrate various hardware devices including sensors, controllers, RFID readers, Android terminals, and edge computing devices.
• Develop middleware services enabling real-time communication between embedded devices, backend servers, cloud platforms, and mobile applications.
• Build and support automation systems for smart buildings, room automation, access control, lift integration, and related IoT applications.
• Design secure and reliable device-to-cloud connectivity architectures.
• Troubleshoot, debug, and optimize embedded software and Linux-based systems to ensure high performance and reliability.
• Deploy and manage applications on Linux platforms using Docker containers and systemd services.
• Monitor system performance, identify bottlenecks, and implement optimization strategies.
• Collaborate with hardware engineers, mobile developers, cloud teams, and project stakeholders to deliver integrated solutions.
• Prepare technical documentation, deployment procedures, and maintenance guides.
• Participate in system testing, commissioning, and production deployments.

Required Qualifications

• Bachelor's degree in Computer Engineering, Electronics Engineering, Computer Science, or a related field.
• Proven experience in Embedded Linux application development.
• Strong programming skills in Python and C.
• Hands-on experience with MQTT, Modbus, RS485, and REST API integration.
• Experience integrating IoT devices, sensors, controllers, RFID systems, and Android-based terminals.
• Solid understanding of Linux operating systems, networking, and system administration.
• Experience with Docker containerization and system service management.
• Strong debugging, troubleshooting, and performance optimization skills.
• Familiarity with cloud-based IoT platforms and device management solutions.
• Knowledge of TCP/IP networking and communication protocols.