Embedded C Developer

Cygnus Professionals Inc.
Wheat Ridge, CO, United States
7 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

LTE (Telecommunication) Computer Networks Continuous Integration Dynamic Host Configuration Protocol Embedded C Linux on Embedded Systems Event-Driven Programming Protocol Buffers Internet Protocol Security (IP SEC) IPv4 IPv6 Virtual Private Networks (VPN)
+10 more
Kernel Debuggers Message Queuing Telemetry Transport (MQTT) Routing X.509 Tcpdump Wi-Fi Technology Network Routers Gitlab Git Openwrt

Requirements

  • 5+ years Embedded C + Embedded Linux
  • Strong OpenWrt development: build system, packages, UCI, init scripts
  • OpenSync / OVSDB, protobuf, MQTT
  • WiFi + Linux networking: routing, IPv4/IPv6, DHCP, netfilter, bridges
  • LTE/5G modem integration: AT commands, QMI/MBIM, wwan/rmnet
  • CPE/Residential Gateway/Router experience
  • GDB, strace, tcpdump, kernel debugging
  • Event-driven programming (libev/libuv)
  • TLS/mTLS, X.509, GRE/IPsec/VPN
  • Git/GitLab, CI/CD, cross-compilation

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