CaratLane

Firmware Engineering Intern

InternshipHybridMadurai, Tamil Nadu6 months18K/mo3 openingsImmediate / Rolling

About this internship

CaratLane is hiring a Firmware Engineering Intern in Madurai — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to firmware engineering rather than a certificate-only programme. About the role As a Firmware Engineering Intern at CaratLane, your core…

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Skills you'll use

Embedded CC++MicrocontrollersRTOSUART / SPI / I2CBare-metal DebuggingOscilloscope & Logic AnalyserMemory OptimisationGitDatasheet Reading

What you'll do

Work on writing and debugging firmware that runs on real hardware alongside the core team
Apply Embedded C, C++, Microcontrollers, RTOS 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, CS, Instrumentation) — 2026 freshers & final-year students welcome
Working knowledge of Embedded C, C++, Microcontrollers (or a genuine willingness to learn them)
Strong fundamentals in your discipline and clear problem-solving ability
Care with detail and the discipline to document your work
Clear written and verbal communication in English
Based in or willing to work from Madurai, Tamil Nadu

Perks & benefits

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship Certificate

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment

About CaratLane

CaratLane operates in the jewellery e-commerce sector and has an active presence in Madurai. 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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