Firmware Engineer

Signature IT World Inc; Colorado; On-site; USD 96,000 - 165,000; Part time

Job summary

Signature IT World Inc. in Denver, CO is seeking a Senior Firmware Developer for a 4-days-onsite contract role.

You will architect, develop, integrate, test, and maintain broadband, video, and IoT software on RDK-based devices such as set-top boxes, gateways, and routers. The ideal candidate has 8–10 years of embedded C/C++, strong Linux experience (Yocto/Buildroot), RTOS familiarity, and scripting skills in Python and Perl for automation.

Qualifications

• BE/B.Tech or higher in engineering.
• 8–10 years of embedded firmware experience.
• Experience with broadband/IoT on RDK-based devices.

Responsibilities

• Develop, integrate, test, and maintain firmware for RDK-based devices (set-top boxes, gateways, routers).
• Perform board bring-up, BSP customization, bootloaders (U-Boot), and OTA update mechanisms.
• Profile performance and memory, utilize profiling tools, and ensure safety/quality standards.

Skills

Embedded Linux

C++ (embedded)

Python scripting

Perl scripting

RTOS familiarity

Device bring-up

CMake

Git

Docker tooling

Education

BE/B.Tech or B.E./M.Eng.

Tools

Yocto

Buildroot

Docker

CMake

Job description

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

Role: Senior Firmware Developer

Type: Contract

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