Role description

Who we are:

At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact—touching billions of lives in the process. Visit us at .

Summary:

UST is looking for an experienced Embedded Firmware Developer / Lead, based in Pune, to develop firmware and industrial communication protocols on Renesas, ST, and TI microcontrollers. You will build EtherNet/IP, EtherCAT, and Modbus communication interfaces, implement bootloaders, and own design documentation, testing, and validation.

The Opportunity:

- Develop firmware using Embedded C and C++ on Renesas/ST/TI microcontrollers.
- Develop communication/network protocols: EtherNet/IP, EtherCAT, and Modbus TCP/IP.
- Develop a Modbus RTU communication interface for 15 or 32 slaves (UART-2), based on mode selection.
- Integrate UART-1 and UART-2 communication interfaces.
- Manage data storage of information exchanged between master and slaves.
- Implement bootloaders.
- Prepare External Specification Documents (ESD) and Software Design Documents (SDD).
- Debug, unit test, and validate against test specifications.
- Handle interlocks between communication, memory management, and user inputs.

What you need:

- 6–10 years of experience in embedded firmware development.

Required Skills:

- Robust Embedded C and C++ programming.
- Hands-on experience with Renesas, ST, and/or TI microcontrollers.




- Proficiency in Linux.
- Industrial communication protocols: EtherNet/IP, EtherCAT, Modbus TCP/IP, and Modbus RTU.
- Experience with TwinCAT and Sysmac Studio for EtherCAT networks.
- UART-based communication interface development.
- Bootloader implementation.
- Unit testing, debugging, and validation.
- Technical documentation (ESD, SDD).

Qualification:

- BE in Electronics, Electronics & Communication, or Industrial Electronics.

What we believe: We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone, to champion diversity and inclusion and to place people at the centre of everything we do.

Humility:

We will listen, learn, be empathetic and help selflessly in our interactions with everyone.

Humanity:

Through business, we will better the lives of those less fortunate than ourselves.

Integrity:

We honour our commitments and act with responsibility in all our relationships.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer.



We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.

All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

- To support and promote the values of UST.
- Comply with all Company policies and procedures

Skills Linux, Modbus, TCP/IP, C, Process Documentation, Firmware Development, C++, Bootloaders, Unit Testing, TI Microcontrollers, EtherNet/IP

About UST

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation.

With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.

📌 Lead I - Embedded Software (Mumbai)
🏢 UST
📍 Mumbai