Tenable

.NET Core C# Developer Intern

InternshipHybridThiruvananthapuram, Kerala2 months22K/mo13 openingsImmediate / Rolling

About this internship

Join Tenable in Thiruvananthapuram as a .NET Core C# Developer Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on C# and .NET backend engineering work. About the role As a .NET Core C# Developer Intern…

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Skills you'll use

C#.NET CoreASP.NET Web APIEntity FrameworkSQL ServerLINQUnit Testing (xUnit)GitREST APIsDebugging

What you'll do

Work on writing C# services and APIs on .NET Core against a real business domain alongside the core team
Apply C#, .NET Core, ASP.NET Web API, Entity Framework 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), BCA/MCA or B.Sc (Computer Science / IT)
Graduating batch 2026, 2027 or 2028 — 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#, .NET Core, ASP.NET Web API (or a genuine willingness to learn them)
Exposure to Entity Framework, SQL Server, LINQ 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 Thiruvananthapuram, Kerala or willing to work from there for the internship period

Perks & benefits

Mentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursStructured onboarding and a formal mentor at a large, established employer

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team

About Tenable

Tenable operates in the cybersecurity sector and has an active presence in Thiruvananthapuram. 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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