Embedded C Developers

Hiring: Embedded C Developers – OpenSync/OpenWrt Wi-Fi Router with Cellular | Denver, CO | Onsite ((4 Days a Week Onsite))We're looking for experienced Embedded C Developers with strong expertise in Linux-based embedded platforms, OpenWrt, OpenSync, and cellular modem integration. The ideal candidates will develop and troubleshoot embedded software for cloud-managed Wi-Fi routers with LTE/5G connectivity, focusing on Linux networking, secure communication, and platform-level development.Location: Denver, CO (4 Days a Week Onsite)Duration: 6 Months (Possibility of Extension)Experience: 5+ YearsWork Authorization: USC & GC Candidates OnlyInterview Process: 2 RoundsKey Skills:5+ years of hands-on Embedded C development on Linux-based platformsStrong C programming skills, including pointers, memory management, IPC, and event-driven architecturesExperience with OpenWrt build systems, package management, UCI configuration, and JFFS2/SquashFS filesystemsHands-on experience with OpenSync or similar cloud-managed CPE frameworksKnowledge of OpenSync Managers, OVSDB, Protobuf, and MQTT telemetryExperience with LTE/5G cellular modem integration, AT commands, QMI/MBIM, and rmnet/wwan interfacesStrong understanding of Linux networking, routing, IPv4/IPv6, DHCP, SLAAC, prefix delegation, and network failoverExperience with TLS mutual authentication, X.509 certificates, certificate validation, and secure provisioningKnowledge of GRE tunneling, IPsec, VPN overlays, and secure network encapsulationExperience with event loop frameworks such as libev or libuvProficiency in GDB, strace, tcpdump, kernel logs, and serial console debuggingFamiliarity with Git, GitLab CI/CD, and cross-compilation toolchainsUnderstanding of Wi-Fi standards 802.11ax/be and wireless driver configurationWhat We're Looking For:A strong Embedded C Engineer with hands-on OpenWrt/OpenSync platform development experience and solid Linux networking knowledge, particularly in LTE/5G cellular integration, routing, modem management, and secure cloud connectivity.Interested? Apply now or DM us to explore this opportunity!You can share resumes at Tufel@Wiseskulls.com