Embedded Firmware Engineer (8051 / Keil / SIM800L GPRS REST API)

Posted 2 days ago

Worldwide

Summary

Add a GPRS REST API to an existing Keil-C firmware for an AT89S52 microcontroller. The firmware currently handles SMS and voice calls through a SIM800L module. The project requires integrating the GPRS REST API to enable data communication over the cellular network. The ideal candidate will have experience with embedded systems and microcontrollers, and be able to implement the API within the existing firmware framework.

Less than 30 hrs/week
Hourly
< 1 month
Duration
Intermediate
Experience Level
Remote Job
One-time project
Project Type

Skills and Expertise

Mandatory skills

Embedded System

fireware Development

Activity on this job

Proposals:5 to 10
Last viewed by client:2 days ago
Interviewing:
1
Invites sent:
3
Unanswered invites:
0

About the client

Member since May 14, 2026

South Africa
2:01 PM

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