We are

Applus+ Laboratories , the division of the

Applus+

Group that provides testing, certification, and product development engineering services.

In the

CYBERSECURITY laboratory , we are accredited to perform a wide range of security evaluations for payment schemes, identification, and IT security.

We are looking for a

Junior Mobile Security Engineer to join our team and participate in technical security assessments focused on

Android and iOS applications and devices . You will contribute to security evaluations following certification requirements, perform mobile application testing, and support internal R&D; initiatives focused on mobile attack techniques, tooling, and automation.

Essential job responsibilities

Analyze customer's technological solutions.

Perform ad-hoc evaluations, subject to customer constraints and needs.

Conduct security evaluations in compliance with certification standards, primarily for

EMVCo SBMP and

PCI MPoC certifications.

Conduct security evaluations for mobile devices, for example Android and IOS platforms.

Perform advanced technical security analyses, including:

Secure source code reviews for different components of payment systems.

High Assurance Vulnerability Analysis (VA).

Perform mobile network attacks such as Man in the Middle (MitM).

Advanced penetration testing using reverse engineering, hooking, debugging, patching techniques.

Write technical reports and communicate effectively with customers, testing laboratories, and other stakeholders.

To be considered, candidates must possess

Education: Technical background such as Computer Science, Telecommunication, Electronics,



Mathematics or equivalent degree.

Coding experience with Python / C / C++, Kotlin, Swift, Java…

0-2 years of experience in the same position

Languages: Spanish and English (at least B2)

Strong analytical and communication skills

Nice to have

Experience with Android or iOS applications

Hands-on experience with software attack analysis and defense mechanisms on iOS/Android platforms

Experience with hacking tools such as Frida, IDA, JEB, JDB, Magisk or equivalent

Knowledge of penetration testing, reverse engineering, at least at theoretical level

Knowledge of OWASP, NIST, PCI, ISO, COBIT.

Knowledge of application obfuscation or hardening techniques.

Experience with Cross-site scripting, SQL injections, Exploiting, etc.

Certifications such as CompTIA Security+, eJPT and CEH.

Our current stack and tools

Programming Language, Python, C/ C++

Hacking tools such as Frida, IDA, JEB, JDB, Magisk

Git

Operative Systems, UNIX Based OS

Permanent contract.

Full-time position.

23 vacation days and 3 personal days.

Employee parking.

Green spaces and wellness activities, including yoga classes, to promote well-being.

Subsidized menu with reduced prices.

Are you passionate about cybersecurity? Do you want to be part of a team of top experts? This is the company for you!

Applus+ Laboratories is an equal opportunity employer. We are committed to evaluating all applications equally based on skills, achievements, and experience, regardless of race, nationality, gender, age, disability, sexual orientation, gender identity, or any other classification protected by law.

📌 Mobile Security Evaluator (Madrid)
🏢 Applus+ Laboratories
📍 Madrid