Kastle

C Developer Intern

InternshipIn OfficeKhammam, Telangana3 months21K/mo7 openingsImmediate / Rolling

About this internship

Kastle has an open C Developer Intern position in Khammam for motivated freshers and final-year students. You will work on live C programming and systems software projects and finish with something you can genuinely talk about in interviews. About the role As a C Developer Intern at Kastle, your…

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Skills you'll use

CPointers & MemoryData Structures in CLinux System CallsMakefilesGDB DebuggingFile I/OBit ManipulationValgrindGit

What you'll do

Work on working close to the machine in C, where a pointer mistake is a crash and not an exception alongside the core team
Apply C, Pointers & Memory, Data Structures in C, Linux System Calls 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 (CSE/IT/ECE), BCA/MCA or B.Sc/M.Sc (Computer Science / IT)
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 C, Pointers & Memory, Data Structures in C (or a genuine willingness to learn them)
Exposure to Linux System Calls, Makefiles, GDB Debugging 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 Khammam, Telangana or willing to work from there for the internship period

Perks & benefits

Live project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsBroad 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
2Technical interview on fundamentals and your projects
3HR discussion — stipend, start date, expectations and offer

About Kastle

Kastle operates in the ai fintech sector and has an active presence in Khammam. 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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