SingleInterface

Application Security Intern

InternshipIn OfficeTiruchirappalli, Tamil Nadu4 months16K/mo8 openingsImmediate / Rolling

About this internship

SingleInterface has an open Application Security Intern position in Tiruchirappalli for motivated freshers and final-year students. You will work on live application security projects and finish with something you can genuinely talk about in interviews. About the role As an Application Security…

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Skills you'll use

OWASP Top 10Secure Code ReviewSAST & DASTBurp SuiteAuthentication & SessionsInput ValidationPython or JavaGitThreat ModellingDeveloper Collaboration

What you'll do

Work on reviewing code and APIs for the flaws that scanners miss, and helping developers fix them before release alongside the core team
Apply OWASP Top 10, Secure Code Review, SAST & DAST, Burp Suite 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 / Cyber Security)
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, SAST & DAST (or a genuine willingness to learn them)
Exposure to Burp Suite, Authentication & Sessions, Input Validation 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 Tiruchirappalli, Tamil Nadu or willing to work from there for the internship period

Perks & benefits

Networking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceBroad 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
2Discussion with the hiring manager on the role and your fit
3HR discussion — stipend, start date, expectations and offer

About SingleInterface

SingleInterface operates in the location marketing saas sector and has an active presence in Tiruchirappalli. 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…

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