Application Security | Curricular Internship
Celfocus · Lisboa, PT ·
- Seniority
- Intern
- Employment
- Internship
- Category
- Security
Celfocus · Lisboa, PT ·
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Start your journey in a learning‑driven environment, inside a fast‑paced and ever‑evolving world of tech and innovation.
At Celfocus, you’ll work with diverse teams on real projects and see how ideas turn into real impact.
Hybrid ways of working, international projects, and the space to explore different paths as you grow.
Explore your way in.
The opportunity
As an Application Security Intern, you will assist the security team in identifying, analyzing, and mitigating security vulnerabilities in software applications. Your responsibilities may include supporting secure code reviews, participating in penetration testing, researching common threats, and helping implement security best practices across the development lifecycle.
What you’ll bring
Knowledge of secure coding practices and web technologies (HTML, CSS, JavaScript).
Familiarity with OWASP Top 10 and basic vulnerability types (XSS, SQL Injection, etc.).
Experience with Git and basic CI/CD concepts.
Basic understanding of cloud platforms (AWS, Azure, or GCP).
Self-motivated and eager to learn in a fast-paced environment.
Strong analytical thinking and problem-solving skills.
Effective communication and collaboration within diverse teams.
Fluent in English, both verbal and written.
Ability to adapt and quickly acquire new technical skills.
Technical Skills & Technologies
SAST (Sonarqube, Fortify, etc).
SCA (Dependency Check, Whitesource, etc).
DAST (ZAP, Burp, etc).
Defect Dojo.
Java, PHP, Python, C, etc.
Pipelines (Jenkins, Gitlab CI/CD, Azure DevOps, etc).
What’s in it for you
• Hybrid way of working with flexibility and balance.
• Opportunity to work on international projects.
• Possibility to explore different roles and career paths.
• Continuous learning and development opportunities.
• A growing AI‑driven environment, working with the latest technologies.
• A set of benefits and perks to support your day-to-day.
A place for everyone
At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities.
If you require any adjustments during the selection process, please inform our Talent Acquisition Team.
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