Embedded C Developer

Tekskills Inc.; Dadri; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Tekskills Inc. in India seeks an experienced Embedded Firmware Engineer with 5+ years to work on real-time systems and IoT devices.

You will develop low-level drivers for sensors and peripherals, implement RTOS-based architectures, and contribute across hardware, software, and cloud teams in a fast-paced R&D environment.

The role emphasizes secure boot, OTA updates, and rigorous validation for production-grade deployments.

Qualifications

• 5+ years of embedded firmware development experience.
• Strong background in low-level sensor and peripheral driver development.
• Proven experience with RTOS-based design and real-time scheduling.
• Hands-on with CAN, LIN, Modbus, MQTT, BLE, Wi-Fi, and Ethernet.
• Deep MCU knowledge: STM32, ESP32, TI Hercules, NXP, Renesas.
• Secure bootloaders, OTA updates, encryption, and watchdogs.
• Experience with debugging tools (JTAG/SWD, oscilloscopes, analyzers).
• Git-based version control and CI/CD pipelines for firmware releases.
• Knowledge of MISRA-C and IEC 61508 standards.
• Ability to work in multi-disciplinary teams and fast-paced R&D.

Responsibilities

• Development of low-level drivers for sensors, motor drivers, and peripherals with proven debugging and optimization expertise.
• Hands-on expertise in end-to-end firmware lifecycle architecture, design, coding, debugging, validation, and deployment.
• Strong track record of delivering production-grade embedded/IoT products with large-scale field deployments.
• Exposure to global clients/projects and working in multi-disciplinary teams (hardware, firmware, cloud, mobile app integration).
• Familiarity with startup culture and fast-paced R&D environments will be an added advantage.

Skills

C / Embedded C

Python scripting

RTOS design

CAN / LIN / Modbus

MQTT / BLE / Wi-Fi

MCUs: STM32 / ESP32

Device drivers

Security: OTA / secure boot

Debugging: JTAG / SWD

CI/CD: Git / Jenkins

MISRA-C

Optimization

Tools

JTAG/SWD

Oscilloscopes

Logic analyzers

BusMaster

PCAN

Git

Makefile

CMake

Jenkins

Job description

Job Summary

Experience: 5+ years. Immediate joiners.

Responsibilities

• Development of low-level drivers for sensors, motor drivers, and peripherals with proven debugging and optimization expertise.
• Hands-on expertise in end-to-end firmware lifecycle architecture, design, coding, debugging, validation, and deployment.
• Strong track record of delivering production-grade embedded/IoT products with large-scale field deployments.
• Exposure to global clients/projects and working in multi-disciplinary teams (hardware, firmware, cloud, mobile app integration).
• Familiarity with startup culture and fast-paced R&D environments will be an added advantage.

Technical Skills

• Programming Languages: Expert in C, Embedded C, with working knowledge of Python for scripting, automation, and test harness development.
• Firmware Architecture: Strong experience in RTOS-based design (FreeRTOS, ThreadX, Zephyr, or similar), real-time scheduling, interrupt handling, and inter-task communication.
• Protocols & Communication Interfaces: Proficient in CAN, LIN, Modbus, MQTT, BLE, Wi-Fi, I2C, SPI, UART, RS-485, and Ethernet.
• MCUs & Platforms: Deep knowledge of STM32 (F7, L4 series), TI Hercules, NXP, ESP32, Renesas, and similar microcontrollers.
• Device Drivers & Middleware: Development of low-level drivers for sensors, motor drivers, and peripherals with proven debugging and optimization expertise.
• Security & Reliability: Experience implementing secure bootloaders, OTA updates, encryption (AES, RSA, ECC), watchdogs, and fail-safe mechanisms.
• Debugging & Validation Tools: Proficiency with JTAG/SWD, oscilloscopes, logic analyzers, BusMaster, PCAN, and protocol analyzers.
• Version Control & Build Tools: Strong experience with Git, Makefile, CMake, Jenkins, and CI/CD pipelines for firmware release cycles.
• Compliance & Standards: Knowledge of MISRA-C, IEC 61508, and structured code reviews.
• Optimization Expertise: Skilled in low-power design, memory optimization, and real-time performance tuning for mission-critical applications.
• Experience: 5+ years of proven industry experience in embedded firmware development, preferably in IoT, industrial automation, energy, or telecom domains.