Embedded Firmware Engineer

Tekskills Inc.; Hyderabad; On-site; INR 1,500,000 - 2,800,000; Full time

Job summary

Tekskills Inc. in Hyderabad, India is seeking an experienced embedded firmware engineer. The role requires 5+ years in embedded firmware, expert C/Embedded C, RTOS experience (FreeRTOS/ThreadX/Zephyr) and strong driver development skills.

You will work on IoT/industrial telecom projects, with exposure to secure bootloaders, OTA updates, and security features. Multidisciplinary collaboration across hardware, firmware, and cloud teams is essential.

Qualifications

• Expert in C and Embedded C with Python scripting for automation.
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• CoT_job_summary_short":"COMPANY NAME: Tekskills Inc.\nKEY POINTS: Embedded C, RTOS, hardware interfacing, secure boot and OTA"}
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Skills

C

Embedded C

Python scripting

RTOS

CAN

MQTT

STM32

Git

Makefile

CMake

Jenkins

Tools

Git

Makefile

CMake

Jenkins

Job description

Requirements

• 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.
• Hands-on expertise: End-to-end firmware lifecycle architecture, design, coding, debugging, validation, and deployment.
• Delivery track record: Strong track record of delivering production-grade embedded/IoT products with large-scale field deployments.
• Mentoring & collaboration: Experience in mentoring junior engineers, reviewing code, and contributing to technical strategy.
• Exposure: Global clients/projects and working in multi-disciplinary teams (hardware, firmware, cloud, mobile app integration).
• Startup culture: Familiarity with startup culture and fast-paced R&D environments will be an added advantage.