Firmware Engineer at Gravity Engineering Services Pvt Ltd · Delhi, Gurugram, Noida, Ghaziabad, Faridabad, Navi Mumbai, Hyderabad, Bengaluru (Bangalore) · 1 - 12 years · ₹5L - ₹30L / yr · Profitable · Posted 4 Oct 2026

We are looking for a Firmware Engineer to develop software for our embedded hardware.
Responsibilities
- Write and maintain firmware in Embedded C
- Develop drivers for I2C, SPI and UART peripherals
- Work with RTOS-based systems
- Debug on hardware using oscilloscopes and debuggers
Requirements
- 1+ years of firmware development
- Strong Embedded C programming
- Experience with ARM or similar microcontrollers

About Gravity Engineering Services Pvt Ltd
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We are hiring an Embedded Software Engineer to develop firmware and low-level software for embedded devices and connected products.
Responsibilities
- Develop firmware in Embedded C and C++ for microcontroller-based systems
- Build real-time applications on RTOS platforms such as FreeRTOS
- Write and maintain device drivers for peripherals (UART, SPI, I2C, CAN)
- Develop and customise Embedded Linux components
- Debug hardware and software issues using oscilloscopes, JTAG and debuggers
- Work with hardware teams on board bring-up and testing
Requirements
- 1+ years of experience in embedded software development
- Strong Embedded C and C++ programming skills
- Hands-on experience with microcontrollers (ARM Cortex, STM32, ESP32 or similar)
- Experience with RTOS and device driver development
- Exposure to Embedded Linux is a plus
Job Summary:
We are seeking a skilled Firmware Developer with 3 years of experience to join our team. The successful candidate will be responsible for developing and maintaining embedded software for our products. The candidate should have a strong understanding of the software development life cycle, embedded systems, and the C programming language.
Key Responsibilities:
• Develop and maintain embedded software for our products
• Design and implement software modules and drivers for embedded systems
• Collaborate with hardware engineers to integrate software and hardware components
• Test and debug embedded software
• Create and maintain technical documentation
• Participate in code reviews and contribute to software architecture and design discussions
• Stay up-to-date with the latest trends and technologies in embedded systems and software development
Requirements:
• Bachelor’s degree in Computer Science, Electrical Engineering, or a related field
• 3 years of experience in embedded software development
• Strong understanding of software development life cycle
• Proficiency in C programming language
• Experience with embedded systems and microcontrollers
• Experience with communication protocols such as SPI, I2C, UART, and CAN
• Familiarity with software development tools such as Git, Jira, and Jenkins
• Strong analytical and problem-solving skills
• Ability to work independently and in a team environment
• Excellent communication and interpersonal skills
Preferred qualifications:
• Degree in Electrical Engineering, or a related field
• Experience with wireless communication protocols such as Bluetooth, LoRa & Wi-Fi
• Knowledge of real-time operating systems such as FreeRTOS, uC/OS-II, or VxWorks
• Experience with Agile software development methodologies
Benefits:
- Health insurance
- Leave encashment
- Paid sick time
- Provident Fund
Job Type: Full Time
Job Location: Perundurai
State Wise: Tamil Nadu
Divison Wise: R & D Division
Greetings from Skoegle IoT Innovations Pvt Ltd
Job Summary
We are looking for an experienced Embedded Firmware Engineer with expertise in embedded systems, firmware architecture, RTOS, and embedded software development for IoT, wearable, automotive, industrial, and medical-grade products.
Key Responsibilities
• Design, develop, debug, and maintain firmware in C, C++, and Embedded C.
• Develop firmware for ESP32, nRF52832/52840, ATmega328P, and Raspberry Pi platforms.
• Integrate sensors using I2C, SPI, UART, ADC, GPIO, PWM, CAN, and USB.
• Develop RTOS and bare-metal firmware.
• Implement BLE, GSM/4G, GPS/GNSS, LoRa, Wi-Fi, NFC/RFID communication.
• Design bootloaders, OTA updates, and secure firmware upgrades.
• Optimize power consumption, sleep modes, memory allocation, and performance.
• Develop sensor drivers, calibration routines, and medical-grade firmware.
• Program bare ICs and support PCB bring-up, pin selection, and hardware validation.
• Support HTTP/HTTPS GET/POST/PUT APIs and embedded networking.
Required Skills
• Embedded Systems and Embedded Software Development
• C, C++, Embedded C
• RTOS, Bare-Metal Programming
• Operating Systems fundamentals
• I2C, SPI, UART, Digital & Analog Signals
• Sensor Integration
• Arduino IDE, VS Code, SEGGER Embedded Studio, J-Link
• ESP32 Series, nRF52832/52840, ATmega328P, Raspberry Pi
• BLE (UUIDs), GSM (band configuration), GPS, LoRa
• Python, HTML, HTTP/HTTPS
• Bootloader Development, OTA, Power Optimization
• Memory Allocation, Sleep Modes, Sensor Calibration
• Machine Learning on Embedded Systems (preferred)
About Us
Corporate Web Solutions provides technology-focused learning opportunities across software, engineering, automation, and emerging technologies.
Role Overview
As an Embedded Systems Intern, you'll gain practical exposure to embedded development, microcontrollers, sensors, firmware, and hardware-software integration.
Key Responsibilities
- Assist with embedded system projects.
- Work with microcontrollers and sensors.
- Develop and test basic firmware.
- Assist with hardware-software integration.
- Debug basic system issues.
- Participate in practical projects.
Requirements
- Basic C/C++ knowledge.
- Understanding of electronics fundamentals.
- Interest in embedded systems.
- Knowledge of microcontrollers is a plus.
- Problem-solving skills.
Perks
- Certificate of Internship
- Flexible work hours
- Mentorship and real project exposure
- Potential for PPO
- Letter of Recommendation
- Performance-Based Stipend available up to ₹18,000/month
About Us
Corporate Web Solutions provides technology-focused learning opportunities across software, engineering, automation, and emerging technologies.
Role Overview
As an Embedded Systems Intern, you'll gain practical exposure to embedded development, microcontrollers, sensors, firmware, and hardware-software integration.
Key Responsibilities
- Assist with embedded system projects.
- Work with microcontrollers and sensors.
- Develop and test basic firmware.
- Assist with hardware-software integration.
- Debug basic system issues.
- Participate in practical projects.
Requirements
- Basic C/C++ knowledge.
- Understanding of electronics fundamentals.
- Interest in embedded systems.
- Knowledge of microcontrollers is a plus.
- Problem-solving skills.
Perks
- Certificate of Internship
- Flexible work hours
- Mentorship and real project exposure
- Potential for PPO
- Letter of Recommendation
- Performance-Based Stipend available up to ₹18,000/month
Power Electric Vehicles with embedded software for battery management and autonomous driving.
What you'll do:
- Develop BMS algorithms (SOC/SOH estimation)
- Implement CAN bus communication protocols
- Code motor control algorithms (FOC, sensorless)
- Build ADAS features (ultrasonic parking, vision)
- HIL testing with Vector tools
- Optimize for automotive-grade reliability (AUTOSAR)
What we need:
- C/C++, Embedded Linux/RTOS
- Microcontroller experience (STM32, NXP)
- Control systems or automotive interest
- Debugging skills (oscilloscopes, logic analyzers)
Future-proof skills:
- Work on actual EV prototypes
- Portfolio for Tata, Mahindra EV teams
- Automotive cybersecurity exposure
Key Responsibilities:
- Develop and customize OpenWrt build systems for operator-specific router distributions
- Build high-performance network stacks and middleware for Wi-Fi 6/7 & 5G-FWA routers
- Implement TR-181/USP/TR-369 device management standards for global operators
- Design scalable, modular embedded Linux systems for complex CPE environments
- Debug and resolve critical issues: kernel panics, memory leaks, race conditions
- Collaborate with hardware and product teams to deliver carrier-grade solutions
Must-Have Skills:
- OpenWrt Proficiency: Customizing build systems, package configurations, feeds
- Programming: Advanced C/C++ for resource-efficient, high-performance networking
- Network Stack & Protocols:
- IPv4/IPv6: Dual-stack, DHCPv4/v6, SLAAC, Prefix Delegation, MAP-T/E, DS-Lite
- L2/L3: Linux Bridge, VLAN 802.1Q/QinQ, SoC hardware offloading
- Routing: Multi-WAN, Failover, Policy-Based Routing, IGMP/MLD Snooping/Proxy
- Device Management: TR-181/TR-098 data models, USP/TR-369 experience
- Debugging: GDB, Valgrind, JTAG, Wireshark, Tcpdump
- System Design: Defining software interfaces & integrating cross-platform middleware
Preferred Qualifications:
- Hands-on with Airoha SDKs & MediaTek WiFi drivers
- Familiarity with RDK-B, prplOS, prplLCM
- QoS/QoE: Traffic Shaping - tc, HTB, FQ_CoDEL, DPI, traffic classification for Gaming/VoIP
- Security: Firewall4/Nftables, Iptables, VPN - WireGuard, IPsec, hardware crypto-acceleration
Job Description – Mechatronics Engineer
Position
Mechatronics Engineer
Experience
2 years
Location
Bengaluru, India
About the Role
We are looking for a hands-on Mechatronics Engineer with approximately 2 years of experience to work on the development and integration of intelligent electro-mechanical systems.
The role involves a combination of electronics system assembly and testing, sensors and actuators, control algorithms, estimation algorithms, embedded implementation, system configuration, and hardware-software integration. The ideal candidate should be comfortable working across the boundary between mechanical, electrical, embedded software, and algorithms.
Key Responsibilities
1. System Assembly & Integration
- Assemble and integrate electro-mechanical systems, sensors, actuators, embedded computers, controllers, and associated electronics.
- Perform wiring, connection, sensor installation, and basic electrical integration.
- Support integration of cameras, IMUs, GNSS, encoders, motors, servos, and other sensors/actuators.
- Configure systems for laboratory, ground, and flight testing.
- Troubleshoot hardware, electrical, communication, and integration issues.
2. Electronics Testing & Validation
- Develop and execute test procedures for electronic and mechatronic subsystems.
- Perform functional testing, sensor validation, actuator testing, and system-level testing.
- Use laboratory equipment such as oscilloscopes, multimeters, power supplies, electronic loads, and logic analysers.
- Analyse test data and identify hardware, firmware, sensor, or integration issues.
- Maintain test records, test reports, and issue/defect logs.
3. Control & Estimation Algorithms
- Implement and integrate control algorithms for electro-mechanical systems.
- Work with PID, state-space, feedback control, actuator control, and related control techniques.
- Implement estimation algorithms such as complementary filters, Kalman filters, EKF/UKF, or sensor fusion algorithms.
- Perform sensor calibration, parameter estimation, filtering, and system identification.
- Tune control and estimation parameters based on laboratory and flight-test data.
4. Embedded Implementation
- Implement algorithms on embedded processors and real-time computing platforms.
- Interface sensors and actuators using protocols such as UART, SPI, I²C, CAN, RS-232/485, Ethernet, etc.
- Develop or modify embedded C/C++ code for system integration.
- Debug hardware-software interaction and real-time issues.
- Support optimisation and deployment of algorithms on resource-constrained embedded systems.
5. Configuration & Version Management
- Maintain configuration of hardware, firmware, software, sensors, and system parameters.
- Maintain configuration-controlled parameter files, calibration data, firmware versions, and test configurations.
- Use Git or equivalent version-control systems for software and configuration management.
- Maintain proper traceability between hardware configuration, software version, test results, and system performance.
- Support controlled release of system configurations for testing and demonstrations.
6. System Testing & Field Trials
- Participate in system-level integration, laboratory testing, HIL/SIL testing, and field/flight trials.
- Prepare test setups and test cases based on system requirements.
- Collect and analyse telemetry, sensor, actuator, and performance data.
- Diagnose failures during integration and testing and work with the engineering team to resolve them.
- Support verification and validation activities for production-grade systems.
Required Skills
- B.E./B.Tech/M.Tech in Mechatronics, Electronics, Electrical, Instrumentation, Mechanical Engineering, or a related discipline.
- Approximately 2 years of relevant industry/project experience.
- Strong hands-on experience with electronics system assembly, integration, and testing.
- Understanding of sensors, actuators, motors, servos, and embedded systems.
- Good understanding of control systems and estimation/filtering techniques.
- Experience implementing algorithms in C/C++ and/or Python.
- Familiarity with microcontrollers, embedded processors, and real-time systems.
- Working knowledge of communication protocols such as CAN, UART, SPI, I²C and Ethernet.
- Experience using laboratory test equipment such as oscilloscopes and multimeters.
- Familiarity with Git and configuration/version management.
- Ability to read schematics, datasheets, interface specifications, and technical documentation.
- Strong debugging and problem-solving skills.
- Willingness to work hands-on with hardware and participate in field/flight testing.
Good to Have
- Experience with UAVs, robotics, autonomous systems, gimbals, or avionics.
- Experience with IMU, GNSS, magnetometer, barometer, encoder, camera, or other navigation sensors.
- Experience with EKF/UKF, sensor fusion, visual-inertial estimation, or inertial navigation.
- Familiarity with MATLAB/Simulink.
- Experience with PX4, ArduPilot, ROS/ROS2, or similar platforms.
- Experience with HIL/SIL testing.
- Basic understanding of real-time operating systems.
- Experience with hardware bring-up and PCB-level debugging.
- Familiarity with engineering standards, configuration management, and structured V&V processes.
Desired Attributes
- Hands-on engineer who enjoys working with both hardware and software.
- Comfortable moving between mechanical assembly, electronics, algorithms, and embedded implementation.
- Strong debugging mindset with an ability to systematically isolate problems.
- Good understanding of engineering fundamentals rather than dependence on pre-built libraries or tools.
- Able to work independently on assigned modules while collaborating closely with multidisciplinary teams.
- Comfortable working in a fast-paced R&D environment involving prototyping, testing, iteration, and field trials.
- Strong documentation and communication skills.
Typical Technology Environment
Sensors & Actuators: IMU, GNSS, magnetometer, encoders, cameras, motors, servos
Embedded: Microcontrollers, ARM processors, embedded Linux/RTOS
Algorithms: PID, state estimation, Kalman filtering, sensor fusion, system identification
Programming: C/C++, Python, MATLAB/Simulink
Testing: Oscilloscope, logic analyser, multimeter, power supply, HIL/SIL
This is a hands-on R&D engineering role suited for an engineer who wants to work on complete intelligent systems rather than a narrowly defined mechanical or electronics function. The engineer will contribute across assembly → integration → algorithm implementation → configuration → testing → debugging → field validation, with particular emphasis on UAV and autonomous-system applications.
About Jinn
Jinn is a Voice AI Tech Company. It helps businesses get better RoI specially by helping sales processes with the use of Voice AI Tech. We are adding a business line which includes an audio device that can reliably capture audio in various environments.
About role:
- This Role in a B2B SaaS startup in AI space led by 2X entrepreneurs from IIT, IIMs. Fast paced with a lot of learning and growth.
- Responsibility: Helping engineer/assemble/bring together an IoT/ hardware device that can accomplish product goals with required constraints. Great high stakes exposure for fresh grads
- Duration: 3-6 months internship || Converts to Full Time based on performance
- Compensation (Stipend): 20-25k per month || Full time 4.5lpa - 6LPA
Ideal Profile: Interested in building a career in IoT/Tech, good communication, good discipline, solid understand of tech (AI)
Skill Sets
Look for someone who:
• Has built at least 1 IoT project end-to-end
• Knows Arduino + one of ESP32 / nRF52
• Has touched audio input (even basic)
• Is comfortable debugging hardware (this is key)
1. Embedded Systems Programming (Must-have)
• C/C++ (Arduino framework or ESP-IDF)
• Working with:
* ESP32 OR
* Seeed Studio XIAO BLE nRF52840 Sense
• Skills:
* GPIO, I2S (for mic input)
* Power modes (deep sleep, wake triggers)
* Memory constraints (huge in audio use cases)
👉 This is the backbone. If they can’t do this well, project stalls.
2. Audio Handling + Signal Basics
• Understanding:
* Sampling rate (16kHz vs 44.1kHz)
* PCM audio buffers
* Latency vs quality trade-offs
• Practical skills:
* Using I2S microphones (INMP441, etc.)
* Basic noise filtering
* Voice Activity Detection (VAD)
👉 Without this, you’ll just get noisy unusable recordings.
3. Power & Hardware Basics (Often underestimated)
• LiPo battery handling
• Charging IC (TP4056 type)
• Power optimization:
* Sleep modes
* Sampling intervals
Many prototypes fail here (battery drains in 1 hour 😅)
4. Connectivity (BLE / WiFi)
• BLE (for XIAO nRF52840):
* Data chunking (BLE MTU limits!)
* Pairing + mobile relay model
• WiFi (for ESP32):
* HTTP / WebSocket streaming
* Retry + buffering
Trade
• Design and implement scalable IoT solutions from sensor to cloud, ensuring seamless integration between
vehicle hardware (fuel sensors, GPS trackers, OBD devices) and the Anytime Diesel platform
• Integrate industrial and automotive sensors, microcontrollers, and gateways with the platform
• Develop, optimize, and troubleshoot data flow using protocols such as CAN bus, Modbus, RS485, TCP, and
RTU
• Manage the full IoT device lifecycle across the fleet — provisioning, remote configuration, health monitoring,
and OTA/FOTA firmware updates
• Collaborate with software, data, and operations teams to define data models and ensure clean data ingestion for
fleet analytics
• Conduct testing, debugging, and performance analysis of embedded firmware and IoT systems using tools like
oscilloscopes and logic analyzers
• Create technical documentation — architecture diagrams, API specs, and deployment guides






