Firmware & Backend API Developer

Firmware & Backend API Developer

Location : BioNEST, South Moti Bagh, New Delhi

Company : ADJAC India Pvt Ltd.

Employment Type : Contractual, 6 months

(Can be converted to full-time based on project requirements, and performance)

About the startup

ADJAC is building next-generation modular molecular diagnostic platforms, combining automated liquid handling, RT-PCR, and sample processing into a single integrated system. Our mission is to make advanced molecular testing faster, more affordable, and accessible at the point of care. By bridging embedded hardware with cloud-ready software, we are re-defining how diagnostics are deployed globally.

About the Role

We are hiring a Firmware & Backend API Developer with strong expertise in STM32 firmware development and FastAPI backend integration . The role focuses on bridging embedded hardware with backend systems for seamless communication. Immediate joiners are preferred .

Key Responsibilities

i. Develop and optimize firmware for STM32 MCUs using C / C++ (STM32CubeIDE, HAL, FreeRTOS) .

ii. Implement backend APIs in FastAPI for communication with firmware over USB CDC / UART / SPI / I²C .

iii. Design and maintain robust device–backend communication protocols with error handling.

iv. Collaborate with backend / frontend teams for full system integration.

v. Debug hardware–software issues using ST-LINK, logic analyzers, and protocol analyzers.

vi. Contribute to documentation, version control (Git), and CI / CD pipelines.

Required Qualifications

1. Proven experience in STM32 firmware development (C, C++, FreeRTOS) .

2. Strong working knowledge of FastAPI.

3. Familiarity with USB CDC, UART, SPI, and I²C communication protocols.

4. Strong debugging and optimization skills across embedded + backend.

5. Proficiency with Git for version control.

Preferred Skills

i. Experience with REST APIs and WebSockets.

ii. Exposure to hardware-in-the-loop testing .

iii. Familiarity with Docker, CI / CD, and Linux environments.

Job Details

1. Salary : ₹32,000 – ₹38,000 per month (based on experience)

2. Work Days : Monday–Friday + 2 Saturdays off per month (rest working)

3. Joining : Immediate

4. Last Date to Apply : 2nd October 2025

Why Join Us?

i. Work on cutting-edge embedded + backend projects.

ii. Collaborative startup environment with fast-paced development.

iii. Opportunities for career growth across embedded systems and backend software.

Apply Now : Send your CV / resume and GitHub profile link to ashutosh@adjac.in