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ESP32-C3 Firmware Developer (Embedded IoT)

Cuboid IT Solutions

Remote • Today

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Contract

Depends on Experience

Cuboid IT Solutions

Job Details

Skills

ESP32-C3
Firmware
Embedded IoT
ESP-IDF
Wi-Fi Station
Access Point
SMTP
PIC16F1503
microcontroller
GPIO
4-layer PCB
EEPROM/NVS
Wi-Fi
TCP/IP
HTTP
Altium
KiCad
Eagle

Summary

Now Hiring: ESP32-C3 Firmware Developer (Embedded IoT)

Location: 100% Remote (US)
Type: Short-Term Contract
Rate: Competitive (Include your hourly rate with resume)

We are seeking an experienced ESP32-C3 Firmware Developer to design firmware and support PCB development for an embedded IoT device. The project involves developing firmware for the ESP32-C3-MINI-2U microcontroller to enable Wi-Fi connectivity and transmit email/SMS notifications through an internet-connected router.

Key Responsibilities

Develop firmware for ESP32-C3-MINI-2U using ESP-IDF
Implement Wi-Fi Station & Access Point modes with web-based configuration
Support email/SMS notification functionality via SMTP
Optimize low-power operation using Deep Sleep mode
Interface with a PIC16F1503 microcontroller via GPIO
Design a 4-layer PCB compatible with an existing enclosure
Store Wi-Fi credentials using EEPROM/NVS
Participate in weekly status meetings via Microsoft Teams or Zoom

Required Skills

Strong experience with ESP32-C3 / ESP-IDF
Embedded C/C++ firmware development
Wi-Fi, TCP/IP, HTTP, SMTP, and networking protocols
Low-power embedded system design (Deep Sleep)
GPIO, EEPROM/NVS, and peripheral interfacing
PCB design experience (Altium, KiCad, Eagle, or similar)
Experience with IoT and hardware integration

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: 91026519
Position Id: 9045935
Posted 11 hours ago

Company Info

About Cuboid IT Solutions

Cuboid IT Solutions is a US based IT staffing and consulting firm headquartered in Santa Clara, California. We help enterprise, mid market, startups, healthcare, finance, and government teams hire specialized technology talent for contract, contract to hire, and full time needs.

Our focus is speed with quality. We run structured technical screening plus behavioral and culture fit evaluation, and we provide clear, timely feedback throughout the interview cycle. We support hiring nationwide across all US time zones and can deliver single hires or complete project teams.

For candidates, Cuboid offers W2 benefits including medical, dental, vision, 401(k), paid time off, and referral bonus. If you are interested in roles posted on Dice, contact us at careers@cuboidits.com

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