OneCard

Firmware Engineering Intern

InternshipIn OfficeThrissur, Kerala2 months20K/mo1 openingImmediate / Rolling

About this internship

OneCard is hiring a Firmware Engineering Intern in Thrissur — 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 OneCard, your core focus…

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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 Thrissur, Kerala

Perks & benefits

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

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team
3Online aptitude / domain assessment
4HR discussion — stipend, start date, expectations and offer

About OneCard

OneCard operates in the fintech sector and has an active presence in Thrissur. 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 distance. The work runs…

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