Senior Firmware Developer

ClifyX Inc; Colorado; On-site; USD 120,000 - 180,000; Full time

Job summary

ClifyX Inc. seeks a Senior Firmware Developer for a 12+ month contract in Denver, CO, with four days onsite per week. You will lead embedded Linux development for RDK-based devices such as set-top boxes, gateways and routers, focusing on C++ for performance and Python for tooling.

Experience with Yocto/Buildroot, U-Boot, and RTOS is preferred, with strong debugging and memory profiling skills. Candidates should have 8–10 years of experience, BE/B.Tech or equivalent, and a track record in

Qualifications

• BE/B.Tech or higher is required.
• 8–10 years of embedded firmware experience.
• Experience developing, integrating, testing, and maintaining broadband, video, and IoT on RDK devices.

Responsibilities

• Develop, integrate, test, and maintain broadband, video, and IoT solutions on RDK-based devices such as set-top boxes, gateways and routers.
• Lead embedded Linux development in constrained environments with C++.
• Participate in board bring-up, BSP customization, bootloaders (U-Boot) and OTA mechanisms.

Skills

C++ (11/14/17)

Python scripting

Perl

Embedded Linux

RTOS familiarity

I2C / SPI / UART / CAN / USB / TCP/IP

Board bring-up / U-Boot

Yocto/Buildroot

Device tree / system

ISO/MISRA awareness

Education

Bachelor's or Master of Engineering

Tools

Docker

CMake

Job description

Position Title: Senior Firmware Developer

Duration: 12+Months Contract

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

Role: Senior Firmware Developer

Interview: Video

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:

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

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

Education: Bachelor's or Master of Engineering