Battery Smart

Firmware Intern

InternshipIn OfficeMumbai, Maharashtra3 months21K/mo12 openingsImmediate / Rolling

About this internship

Battery Smart has an open Firmware Intern position in Mumbai for motivated freshers and final-year students. You will work on live embedded systems and firmware projects and finish with something you can genuinely talk about in interviews. About the role As a Firmware Intern at Battery Smart, your…

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Skills you'll use

Embedded CMicrocontrollersRTOS BasicsUART, SPI & I2CDebugging with JTAGCircuit ReadingARM CortexMemory ConstraintsGitDatasheet Reading

What you'll do

Work on writing code that runs on a device with no operating system, limited memory and no way to redeploy easily alongside the core team
Apply Embedded C, Microcontrollers, RTOS Basics, UART, SPI & I2C to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (ECE/EEE/Electronics/Instrumentation) or M.Tech (VLSI / Embedded Systems)
Graduating batch 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Embedded C, Microcontrollers, RTOS Basics (or a genuine willingness to learn them)
Exposure to UART, SPI & I2C, Debugging with JTAG, Circuit Reading is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Mumbai, Maharashtra or willing to work from there for the internship period

Perks & benefits

Networking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceBroad ownership and direct exposure to founders and senior decision-makers

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment
3HR discussion — stipend, start date, expectations and offer

About Battery Smart

Battery Smart operates in the electric vehicles sector and has an active presence in Mumbai. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a…

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