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EMBEDDED C DEVELOPER – (OPENSYNC/OPENWRT)

Hybrid in Denver, CO, US • Posted 20 hours ago • Updated 20 hours ago

Contract W2

6 Months

No Travel Required

Hybrid

Depends on Experience

Wise Skulls Corp.

Fitment

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Job Details

Skills

Embedded C
Linux
OpenWrt
OpenSync
Linux Networking
CPE / Broadband
LTE / 5G
QMI / MBIM
Cellular Modem Integration
OVSDB
MQTT
UCI
IPC
Event-Driven Architecture
IPv4 / IPv6
Routing
Netfilter
GRE
IPsec
VPN
TLS / X.509
WiFi / 802.11ax / 802.11be
GDB
strace
tcpdump
Git
GitLab CI/CD
Cross Compilation

Summary

JD:

Required Skills:

• 5+ years of embedded C development on Linux-based platforms

• Strong proficiency in C programming — pointers, memory management, IPC, event-driven architectures

• Experience with OpenWrt build system, package management, UCI configuration, and JFFS2/SquashFS overlay filesystems

• Familiarity with OpenSync or similar cloud-managed CPE frameworks (OVSDB, protobuf, MQTT telemetry)

• Experience with cellular modem integration — AT commands, QMI, network interface management (rmnet/wwan)

• Strong understanding of Linux networking — routing tables, metrics, netfilter, bridge interfaces, IPv4 and IPv6 dual-stack, neighbor discovery, DHCPv4/DHCPv6, SLAAC, and prefix delegation

• Understanding of TLS handshake with mutual authentication using X.509 certificates, certificate chain validation, and secure provisioning

• Knowledge of security and tunneling protocols — GRE tunneling, IPsec, VPN overlays, and secure encapsulation for cloud-managed traffic

• Experience with event loop frameworks (libev, libuv, or similar)

• Proficiency with debugging tools — GDB, strace, tcpdump, kernel logs, serial console

• Familiarity with Git, GitLab CI/CD, cross-compilation toolchains

• Understanding of WiFi standards (802.11ax/be) and wireless driver configuration

Top Skills:

1. Embedded C Development on Linux/OpenWrt

C programming, Linux internals, debugging, IPC, event-driven design

2. OpenSync/OpenWrt Platform Development

OpenSync Managers, OVSDB, UCI, MQTT, OpenWrt build system

3. Linux Networking & LTE/5G Cellular Integration

Routing, IPv4/IPv6, failover, QMI/MBIM, modem management, GRE/IPsec

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91097138
Position Id: JPC -5026
Posted 20 hours ago

Company Info

About Wise Skulls Corp.

Since 2019, Wise Skulls has been redefining the landscape of contractual staffing by connecting exceptional talent with industry-leading opportunities. Specializing in the IT sector and expanding into diverse industries, we help build impactful careers and high-performing teams.

Our mission is clear: to align the right people with the right roles while fostering long-term success for individuals and organizations alike. By leveraging cutting-edge technology, industry expertise, and a deep understanding of both on-site and remote work dynamics, we provide staffing solutions that go beyond filling positions and create pathways to growth and innovation.

At Wise Skulls, we aspire to set new benchmarks for efficiency and excellence in staffing. Our vision is to become the go-to platform for contractual hiring, empowering professionals to achieve their career aspirations and enabling businesses to thrive with dynamic teams.

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Jainil Pancholi

Recruiter @ Wise Skulls Corp.

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