CommonFloor

Application Security Intern

InternshipIn OfficeFaridabad, Haryana3 months16K/mo5 openingsImmediate / Rolling

About this internship

Start your career in application security with CommonFloor as an Application Security Intern in Faridabad. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As an Application Security Intern at CommonFloor, your…

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Skills you'll use

OWASP Top 10Secure Code ReviewBurp SuiteAPI SecurityAuthentication & AuthorisationPython ScriptingThreat ModellingSAST / DAST ToolsGitSecurity Reporting

What you'll do

Work on reviewing code and APIs for the flaw an attacker would actually use, then getting the fix merged alongside the core team
Apply OWASP Top 10, Secure Code Review, Burp Suite, API Security 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 (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 OWASP Top 10, Secure Code Review, Burp Suite (or a genuine willingness to learn them)
Exposure to API Security, Authentication & Authorisation, Python Scripting 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 Faridabad, Haryana or willing to work from there for the internship period

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunity

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager on the role and your fit
3HR discussion — stipend, start date, expectations and offer

About CommonFloor

CommonFloor operates in the saas & enterprise software sector and has an active presence in Faridabad. 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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