Embedded Software Engineer

Long Term Contract Andover, MA Job Description Key Responsibilities Designing and developing device-to-cloud connectivity modules for embedded systems Implementing and maintaining MQTT-based communication for telemetry, alerts, and command/control flows Developing embedded software using C++ on RTOS platforms (QNX or similar) Integrating and optimizing networking stacks (TCP/IP, sockets, secure protocols) Ensuring robustness, fault tolerance, and predictable behavior in real-time environments Collaborating with cloud, firmware, and QA/RA teams for end-to-end solution delivery Supporting debugging of field issues (connectivity drops, latency, data inconsistencies) across device and cloud layers Contributing to design documentation, traceability, and compliance artifacts (aligned with regulated environments) Required Skills 8+ years of experience in embedded software development (C++) Strong experience with embedded networking (TCP/IP, sockets, protocols) Hands-on experience with MQTT or similar messaging protocols Experience working with RTOS environments (QNX, VxWorks, Embedded Linux, etc.) Solid debugging experience across system-level issues (device + network + backend interactions) Strong problem-solving, communication, and cross-functional collaboration skills Preferred Qualifications Experience in medical devices or other regulated domains (IEC 62304 exposure is a plus) Familiarity with secure communication (TLS, certificates, device authentication) Experience integrating embedded devices with Cellular / Wi-Fi routers for IoT Experience with device-cloud architecture, IoT platforms, or remote monitoring systems Exposure to system integration, verification & validation activities Experience working in multi-repo embedded environments and CI/CD pipelines Experience with QNX-based platforms (or similar safety-critical RTOS) Exposure to BLE, IoT gateways, or edge compute patterns Experience troubleshooting real-world deployment / field connectivity issues