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Visakhapatnam · On-site · 1-3 Yrs · Oct 13
2 views
1 open role0 posted in 7d1 in 30d
Hiring: Engineering
Job description
Overview
Firmware Engineer / Embedded Systems Engineer – Medical Devices
Responsibilities
- Develop embedded firmware for ESP32, STM32, Nordic nRF52/nRF53/nRF54 and similar microcontrollers.
- Develop firmware for medical and healthcare devices involving sensors, actuators, displays, communication modules, and data acquisition systems.
- Interface and acquire data from various sensors such as:
- ECG / biopotential sensors
- PPG / SpO₂ sensors
- Temperature sensors
- Pressure sensors
- IMUs
- Load cells
- Optical sensors
- Analog front ends (AFEs)
- Other biomedical and industrial sensors
- Implement signal conditioning and digital signal-processing algorithms for noisy physiological and sensor data.
- Develop algorithms for filtering, noise reduction, feature extraction, signal quality assessment, and parameter estimation.
- Work with ADCs, DACs, timers, PWM, interrupts, DMA, GPIO, RTC, watchdogs, and low-power peripherals.
- Develop and debug communication interfaces including: UART, SPI, I²C, RS-232 / RS-485, CAN / CAN-FD, USB, BLE, Wi-Fi, Ethernet
- Develop BLE applications and profiles using Nordic/Zephyr or equivalent platforms.
- Interface embedded systems with mobile applications, PCs, cloud platforms, and external medical equipment where required.
- Implement real-time control and state-machine-based firmware.
- Develop bootloaders, firmware update mechanisms, and OTA updates where required.
- Implement data logging, memory management, EEPROM/Flash storage, and configuration management.
- Perform hardware bring-up and board-level debugging.
- Debug firmware using oscilloscopes, logic analyzers, multimeters, JTAG/SWD debuggers, and other laboratory equipment.
- Analyze communication buses and troubleshoot hardware–firmware integration issues.
- Optimize firmware for performance, memory usage, power consumption, and reliability.
- Develop firmware with appropriate fault handling, watchdog mechanisms, error detection, and recovery mechanisms.
- Participate in firmware verification, validation, and system-level testing.
- Maintain firmware architecture, source-code documentation, interface specifications, test procedures, and technical documentation.
- Work within a structured medical-device product-development and quality-management environment.
Qualifications
- Strong proficiency in Embedded C
- Good knowledge of C++
- Pointers, structures, unions, bit manipulation, memory management
- Interrupt-driven programming
- DMA-based data acquisition
- Timers and peripheral programming
- State machines
- Multithreading / RTOS concepts
- Memory-constrained embedded programming
- Version control using Git The candidate should be able to read a communication protocol specification and implement/debug the protocol at firmware level.
- Digital signal processing
- Sampling theory
- Nyquist theorem
- Digital filtering
- Moving-average filters
- FIR / IIR filters
- Low-pass / high-pass / band-pass filtering
- Notch filtering
- Noise reduction
- Baseline removal
- Signal normalization
- FFT / frequency-domain analysis
- Peak detection
- Feature extraction
- Signal quality assessment
- Sensor fusion
- Real-time signal processing on microcontrollers
- Medical-device firmware development
- Physiological signal acquisition
- ECG / PPG / SpO₂
Education
- B.E. / B.Tech – Electronics & Communication Engineering
- B.E. / B.Tech – Electrical / Electronics Engineering
- B.E. / B.Tech – Biomedical Engineering
- B.E. / B.Tech – Instrumentation Engineering
- M.E. / M.Tech in relevant fields
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Job application FAQ
Last updated 14 October 2026
- How do I apply for Firmware Engineer at INDQ?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. INDQ may attach structured assessments to interview rounds after you apply.
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- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is Firmware Engineer remote or on-site in Visakhapatnam, Andhra Pradesh?
- This listing is marked on_site with location Visakhapatnam, Andhra Pradesh. Confirm details on the job description before applying.
- What skills matter for this Firmware Engineer role at INDQ?
- This is a mid-level Firmware Engineer role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.