Senior Firmware Developer

ClifyX Inc; Denver (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

ClifyX Inc. in Denver, CO is seeking an experienced Embedded Systems Engineer to design, integrate, test and maintain broadband, video and IoT solutions on RDK-based devices such as set-top boxes, gateways and routers.

The role requires 8–10 years of hands-on experience with Embedded Linux, Yocto/Buildroot, and C++ in constrained environments. You will work 4 days onsite per week and collaborate across hardware, software, and QA teams.

Qualifications

• BE/B.Tech in a relevant field.
• 8–10 years of embedded software engineering experience.
• Experience with RDK-based devices such as set-top boxes, gateways and routers.

Responsibilities

• Develop, integrate, test, and maintain broadband, video, and IoT solutions on RDK-based devices.
• Architect firmware with Yocto/Buildroot, device trees, and OTA mechanisms.

Skills

Embedded Linux

RDK-based devices

C++ (embedded)

Python scripting

Perl scripting

RTOS familiarity

Device tree / Yocto

Education

BE/B.Tech

Tools

Yocto/Buildroot

CMake

Docker

GDB/Perf tools

Job description

Location : Denver, CO (4 days onsite/week)

Must have skills:

• Embedded Linux (Yocto/Buildroot)
• Experienced Engineer specializing in developing, integrating, testing, and maintaining broadband, video, and IoT solutions on RDK-based devices such as set-top boxes, gateways, and routers

Good to have skills:

• Programming:
• Strong proficiency in C++ (11/14/17) for embedded contexts (const correctness, RAII, templates, STL in constrained environments).
• Strong scripting with Python (pytest/unittest, argparse, asyncio/threads, serial, numpy/pandas for analysis).
• Working experience with Perl for legacy automation, parsing, tooling, infrastructure scripts.

Embedded Expertise:

• Experience with microcontrollers (e.g., ARM Cortex-M/R/A) or Embedded Linux (Yocto/Buildroot, device tree, system).
• Familiarity with RTOS (e.g., FreeRTOS, ThreadX, Zephyr) and interrupt-driven design.
• Hands-on with communication protocols: I2C, SPI, UART, CAN, USB, TCP/IP.
• Board bring-up, BSP customization, bootloaders (U-Boot), secure boot, OTA update mechanisms.
• Experience with Yocto, Cmake toolchain files, and containerized toolchains (Docker).
• Exposure to safety or quality standards (ISO 26262, IEC 62304, MISRA C/C++).
• Experience with wireless stacks (BLE, Wi‑Fi, Thread, Zigbee), edge AI, or DSP.
• Knowledge of power management, low-power modes, and battery-operated devices.
• Familiarity with Perl CPAN tooling and migration of legacy Perl scripts to Python when appropriate.
• Performance profiling and memory analysis on embedded targets (perf, gprof, valgrind, ETM/ITM).
• Minimum years of experience: 8-10 years

Detailed Job Description:

• QUALIFICATION:BE/B.Tech
• KEY RESPONSIBILITIES
• Experienced Engineer specializing in developing, integrating, testing, and maintaining broadband, video, and IoT solutions on RDK-based devices such as set-top boxes, gateways, and routers