Senior Firmware Developer

QualiZeal, Inc.; Hyderabad; On-site; INR 1,200,000 - 2,200,000; Full time

Job summary

QualiZeal, Inc. is seeking a Senior Firmware Developer to lead development of embedded firmware for new products and support existing devices. You will collaborate with R&E, Marketing and Manufacturing to ensure timely delivery and adherence to budgets.

The role requires strong C/C++, ARM Cortex M3/M4 experience, RF/wireless knowledge, and proficiency with Keil/IAR and agile practices, plus solid debugging and documentation skills.

Qualifications

• Experience in embedded firmware development and debugging.
• Experience with RF and wireless protocols.
• Ability to read hardware schematics.

Responsibilities

• Develop embedded firmware for new products and maintain existing ones.
• Collaborate with R&E, Marketing and Manufacturing to deliver new products on schedule and within budget.
• Perform debugging, verification and unit testing of firmware.
• Maintain clear documentation and coding standards.

Skills

C/C++ programming

Embedded system design

Debugging embedded systems

RF product development

ARM Cortex M3/M4

8051 / MSP430 MCUs

Keil / IAR IDEs

Wireless protocols (LoRa, BLE, LTE)

Low power design

UART / SPI / I2C

JIRA / CI tools

Agile methodologies

Unit testing (CppUTest, Unity)

Documentation & communication

Education

Bachelor’s degree in Electrical/Electronics or Computer Engineering

Tools

Keil

IAR

JIRA

TeamCity

Job description

We are seeking a skilled Senior Firmware Developer with in-depth expertise in the development and implementation of new products, along with providing engineering support for existing products. The role involves contributing to product design and collaborating with R&E, Marketing, and Manufacturing teams to develop new products while ensuring adherence to project schedules and budgets.

Key Responsibilities:

• Excellent C/C++ programming skills with experience in embedded system design and development.
• Extensive experience in debugging embedded systems.
• Experience with embedded firmware development tools such oscilloscopes, spectrum analysers, DC power analysers, logic analysers, and protocol analysers.
• Experience with designing and developing RF products for public and proprietary networks.
• Experience with ARM Cortex M3/M4, 8051, and MSP430 microcontrollers.
• Experience with Keil, IAR or equivalent IDEs/compilers.
• Knowledge of wireless communication techniques and associated protocols such as Lora WAN, Bluetooth Classic and Bluetooth Smart (BLE), cellular communication (LTE).
• Familiarity with low power design practices for battery powered devices.
• Familiarity with serial communication protocols such as UART, SPI, I2C.
• Ability to read and understand hardware schematics.
• Experience with JIRA or other issue tracking software.
• Experience with TeamCity or other continuous integration platforms.
• Experience working in an Agile development environment (Scrum/XP).
• Experience with unit testing and unit testing frameworks/tools such as CppUTest and Unity.
• Excellent documentation practices and communication skills.
• Commitment to maintaining project schedules and delivering tasks on time.

Mandatory Skills

• Knowledge of networking connectivity protocols such as TCP/IP, FTP, MQTT
• Experience with agency certifications such FCC, Industry Canada, and cellular carrier certifications

QualiZeal is North America’s fastest-growing independent digital quality engineering services company.With a diverse portfolio of digital transformation services encompassing Quality Engineering, DigitalEngineering, Advisory and Transformation, and Emerging Technology Testing, QualiZeal empowers organizations of all sizes globally to achieve quality excellence and sustainable market leadership. With aheadcount of 850+ elite software quality engineers and trusted by 70+ global enterprises over 200+ projects across 12+ industries, QualiZeal is widely recognized for its pioneering innovation andindustryleading client and employee Net Promoter Scores (NPS).

QualiZeal has been acknowledged as Gold Stevie® Award winner for 2025 in the Fastest Growing Tech Company of the Year category. Additionally, QualiZeal has also been named the winner of the Bronze Stevie® Award for 2024 Tech Startup of the Year (Services) category in the 22nd Annual American Business Awards®. We also have been recognized as a Major Contender in Everest Group’s Specialist and Next-Generation QE Services PEAK® Matrix 2023 reports and as a notable provider in Forrester’s Continuous Automation and Testing (CAT) Services Landscape Report (Q4 2023).

Recognitions:

Great Place To Work Certified

QualiZeal, the renowned US-based digital transformation and quality engineering company, has been proudly certified as a great place to work. With an unwavering commitment to excellence, QualiZeal stands out among other organizations through its exceptional work culture. The company is driven by visionary leadership that fosters an environment of innovation, collaboration, and personal growth. This recognition further reinforces QualiZeal’s dedication to providing an exceptional workplace experience.

Major Contender in Quality Engineering by Everest Group (2023)

QualiZeal, the renowned US-based digital transformation and quality engineering company, has been proudly certified as a great place to work. With an unwavering commitment to excellence, QualiZeal stands out among other organizations through its exceptional work culture. The company is driven by visionary leadership that fosters an environment of innovation, collaboration, and personal growth. This recognition further reinforces QualiZeal’s dedication to providing an exceptional workplace experience.

Economic Times Excellence 2023 Awards

We are thrilled to announce that QualiZeal, the leading technology solutions provider, has been honored with the prestigious ET Excellence award 2023 by the renowned Economic Times. This remarkable achievement recognizes QualiZeal’s relentless dedication to innovation, customer-centric approach, and outstanding contributions to the technology industry. With its cutting-edge solutions and unwavering commitment to excellence, QualiZeal has transformed the landscape of the IT sector.

The 2022 Global Choice Award

QualiZeal was recognised as “The Fastest Growing Digital Quality Engineering Services Company” at the 2022 Global Choice Awards. This award comes as an acknowledgment of QualiZeal efforts to empower organizations globally through efficient and state-of-the-art QE solutions.

QualiZeal is now an official NASSCOM member!

QualiZeal is an official member of the National Association of Software and Service Companies (NASSCOM). The apex body of India’s $227 billion technology industry recognized QualiZeal as the fastest growing provider of Digital Quality Engineering services to a global clientele base.

QUALIZEAL is now ISO 13485 2016 and ISO 90012015

QualiZeal was licenced by the International Organization for Standardization as ISO 13485:2016 and ISO 9001:2015 for medical devices and related services, as well as for consistently providing products and services that meet customer and applicable statutory and regulatory requirements.

Why Join QualiZeal?

• Opportunities for a rewarding career path and professional growth.
• Collaborative, innovative, and supportive work culture.
• Chance to make a significant impact on the Quality Engineering industry.
• QualiZeal is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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