Mid-level Application Security Engineer (Hybrid - Lisbon)

Cognizant Technology Solutions; Portugal; Presencial; EUR 45 000 - 65 000; Tempo integral

Resumo da oferta

Cognizant Technology Solutions is seeking a Mid-Level Reverse Engineer in Portugal. This role involves dissecting Android applications and analyzing native interfaces, offering a dynamic environment to deliver impactful work.

The ideal candidate will demonstrate proficiency in reverse engineering Android apps, possess solid understanding of Android security internals, and bring strong analytical skills. You will work independently and within a team to deliver actionable security insights.

Qualificações

• Proven experience in Reverse engineering Android applications (APKs).
• Solid understanding of Android security internals.
• Strong analytical and problem-solving skills.

Responsabilidades

• Execute analysis on intermediate complexity workflows.
• Independently de-obfuscate and analyze applications.
• Provide detailed technical reports and collaborate with security and development teams.

Conhecimentos

Reverse engineering Android applications

Android Development using Android SDK

Penetration Testing

Analyzing native code interfaces (JNI)

Using analysis tools (Ghidra/IDA Pro, Frida hooks, Burp Suite)

Formação académica

Experience in Software Reverse Engineering

Background in Security analysis and vulnerability assessment

Ferramentas

apktool

Ghidra

IDA Pro

Descrição da oferta de emprego

What makes Cognizant a truly unique place to work? Cognizant offers strong growth, global reach and an innovative environment where tech professionals can deliver meaningful, high‑impact work. Teams collaborate across regions to build and deliver advanced solutions for leading companies, enabling greater agility, innovation and performance.

We are looking for a capable Mid-Level Reverse Engineer to join our dynamic project. You will be responsible for independently dissecting Android applications, including those using common obfuscation and anti‑tampering techniques. This role requires technical expertise to trace complex data flows, analyze native interfaces, and deliver actionable security insights with minimal supervision.

Key Responsibilities

• Execute analysis on intermediate complexity workflows and propose minor improvements to existing methodologies.
• Independently de‑obfuscate and analyze applications utilizing common obfuscation techniques (e.g., control flow flattening, string encryption).
• Demonstrate proficiency in analyzing native code interfaces (JNI).
• Utilize and automate industry tools (Ghidra/IDA Pro, Frida hooks, Burp Suite) to optimize analysis time.
• Provide detailed technical reports and collaborate directly with security and development teams.

You are someone who brings

• Proven experience in Reverse engineering Android applications (APKs) OR Android Development using Android SDK OR Penetration Testing / Offensive security
• Solid understanding of Android security internals.
• Background in Android Application Development (Java/Kotlin) OR Security analysis and vulnerability assessment OR Software Reverse Engineering
• Experience with static and dynamic analysis techniques.
• Strong analytical and problem‑solving skills.
• Excellent communication and documentation skills.
• Ability to work independently and as part of a team.
• High proficiency in using a wide array of analysis tools for end‑to‑end investigation.

Nice to have

• Familiarity with and practical experience using reverse engineering tools such as apktool, Ghidra (or IDA Pro), and hexdump.
• Experience with assembly languages (e.g., ARM).
• Familiarity with malware analysis techniques on mobile platforms.
• Understanding of obfuscation and anti‑tampering techniques used in Android apps.

About Cognizant

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full‑stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast‑changing world.

Additional employment information

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.