Application Security Intern, AppSec

Uphold Inc.

Application Security Intern at Uphold contributing to product security through collaboration with developers and engineers. Gain hands-on experience in cybersecurity within a supportive team environment.

Posted 5/29/2026internshipBraga • 🇵🇹 PortugalEntry Level💰 €2,840 per monthWebsite

Tech Stack

Tools & technologies

Cyber SecurityGoJavaScriptPython

About the role

Key responsibilities & impact

Dive into real-world product security
Work closely with developers and security engineers
Contribute directly to improving the security of products and infrastructure
Be part of a team that works directly with developers to build secure products
Explore how to find, analyze, and help fix vulnerabilities in real source code
Learn how modern companies approach AppSec in a structured, collaborative, and impactful way

Requirements

What you’ll need

Currently pursuing or recently completed a degree in Computer Science, Cybersecurity, Engineering, or a related field
A hacker mindset, curiosity, persistence, and a passion for figuring out how things work (and how they fail)
Experience solving security challenges (e.g., CTFs, Hack The Box, TryHackMe, custom labs, or similar)
Comfortable with at least one programming language and reading/debugging source code (JavaScript, Python, Go, etc.)
Basic knowledge of web security fundamentals, things like XSS, SQLi, SSRF, auth issues, etc.
Some familiarity with security tooling (e.g., Burp Suite, Semgrep, CodeQL, or custom scripts)
Fluent in English, both written and spoken

Benefits

Comp & perks

8-week program from July 20 to September 11, 2026
Welcome gift: some cool Uphold swag!
A mentor will guide your work and provide ongoing feedback
A buddy will help you settle in and support you along the way
We’ll provide a laptop for the duration of your internship

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

programming languageJavaScriptPythonGoweb security fundamentalsXSSSQLiSSRFauth issuessecurity challenges

Soft Skills

hacker mindsetcuriositypersistencepassion for problem-solvingcollaborationcommunication