Embedded C Developers

Full-time

Wise Skulls

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+ Years

Work Authorization: USC & GC Candidates Only

Interview Process: 2 Rounds

Key Skills:

5+ years of hands-on Embedded C development on Linux-based platforms
Strong C programming skills, including pointers, memory management, IPC, and event-driven architectures
Experience with OpenWrt build systems, package management, UCI configuration, and JFFS2/SquashFS filesystems
Hands-on experience with OpenSync or similar cloud-managed CPE frameworks
Knowledge of OpenSync Managers, OVSDB, Protobuf, and MQTT telemetry
Experience with LTE/5G cellular modem integration, AT commands, QMI/MBIM, and rmnet/wwan interfaces
Strong understanding of Linux networking, routing, IPv4/IPv6, DHCP, SLAAC, prefix delegation, and network failover
Experience with TLS mutual authentication, X.509 certificates, certificate validation, and secure provisioning
Knowledge of GRE tunneling, IPsec, VPN overlays, and secure network encapsulation
Experience with event loop frameworks such as libev or libuv
Proficiency in GDB, strace, tcpdump, kernel logs, and serial console debugging
Familiarity with Git, GitLab CI/CD, and cross-compilation toolchains
Understanding of Wi-Fi standards 802.11ax/be and wireless driver configuration

What 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 View email address on click.appcast.io

Apply

Vacancy posted 3 days ago

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