Embedded C Developer

Tekskills Inc.; Kolkata District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Tekskills Inc. is seeking an experienced embedded firmware engineer in India to deliver end-to-end firmware for sensors, motor drivers, and peripherals. You will work across hardware, firmware, cloud, and mobile app integrations in a fast-paced R&D enviroment.

The role requires 5+ years in embedded firmware, experience with RTOS-based design, and strong debugging and optimization skills for production-grade IoT systems.

Qualifications

• 5+ years of proven embedded firmware development experience.
• End-to-end firmware lifecycle: architecture, design, coding, debugging, validation, deployment.
• Production-grade embedded/IoT products with large-scale field deployments.

Responsibilities

• Development of low-level drivers for sensors, motor drivers, and peripherals with debugging and optimization expertise.
• Hands-on firmware lifecycle architecture, design, coding, debugging, validation, deployment.
• Deliver production-grade embedded/IoT products for large-scale field deployments.

Skills

C/C++

Embedded systems

RTOS

Python scripting

CAN/LIN

Modbus

MQTT

BLE/Wi‑Fi

STM32

Security: secure boot

JTAG/SWD

MISRA-C

Tools

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.