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Wireless Embedded C Developer (W2-Contract)

Englewood, CO, US • Posted 30+ days ago • Updated 1 day ago

Contract W2

24 Months

On-site

Depends on Experience

HPTech Inc.

Fitment

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Job Details

Skills

Embedded
C
5G
LTE
DOCSIS

Summary

Embedded C Developer

We are seeking an Embedded C Developer with strong Linux/OpenWrt experience to develop firmware for residential WiFi gateways supporting DOCSIS/Fiber WAN and LTE/5G cellular backup.

Key Responsibilities:

Implement LTE/5G failover, modem management, WAN routing, and health checks.
Work with cellular modems using AT commands, QMI/MBIM, USB, and PCIe/MHI.
Configure and troubleshoot WiFi drivers on Qualcomm/Broadcom/Atheros platforms.
Debug Linux kernel, PCIe, USB, networking, and driver-level issues.
Implement secure connectivity using TLS/mTLS, X.509, GRE, and IPsec.
Develop OpenWrt UCI configurations, init scripts, storage management, and unit tests.

Required Skills:

5+ years of Embedded C development on Linux.
Strong C programming, IPC, memory management, and event-driven programming.
Strong Linux networking knowledge: IPv4/IPv6, routing, DHCP, netfilter, bridges.
Cellular modem integration using AT/QMI/MBIM.
Experience with GDB, strace, tcpdump, kernel logs, and serial console.
Git/GitLab, CI/CD, cross-compilation, and Shell scripting.

Preferred:

Qualcomm IPQ / Broadcom BCM / Atheros chipsets.
DOCSIS, WiFi 6/6E/7, PCIe/USB, eSIM/eUICC, TR-069/TR-369.
5G NSA/SA, carrier aggregation, and ISP/MSO/OEM experience.

Tech Stack: C, Linux, Qualcomm/Broadcom, WiFi, LTE/5G, IPv4/IPv6, TLS, GRE/IPsec, GitLab, GDB.

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: 91162806
Position Id: 9061196
Posted 30+ days ago

Company Info

About HPTech Inc.

HPTech Inc has grown to become a premier provider of IT consulting services for technology. With a specialized niche in transaction and data warehousing applications, HPTech Inc helps clients implement mission-critical, enterprise solutions, speed conversion from legacy environments, and optimize the benefits inherent in their systems. Our consulting solutions range from project strategy and planning, software assessment and selection, to implementation and integration, hosting and change management, support and maintenance translating to higher productivity, lower costs.

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Ravi Koleru

Recruiter @ HPTech Inc.

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Wireless Embedded C Developer (W2-Contract)

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Job Details

Skills

Summary

Company Info

About HPTech Inc.

Ravi Koleru

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