Product Lock Analyst

Reposted 4 Days Ago
Be an Early Applicant
Mexico City, Cuauhtémoc, Mexico City, MEX
Hybrid
Mid level
Financial Services
The Role
Test and harden PayJoy's Android device locking technology by proactively attempting bypasses across devices and OS versions, developing/executing test plans, documenting vulnerabilities, collaborating with engineers to remediate issues, and maintaining a device lab and tooling.
Summary Generated by Built In
About PayJoy

PayJoy is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success.  Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system.  Through PayJoy’s point-of-sale financing and card offerings, customers gain access to a modern quality of life.  PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and acts as insurance for tough times. Through our cutting-edge machine learning, data science, and anti-fraud AI, we have served over 18 million customers as of 2025 while achieving solid profitability for sustainable growth.

This role

The Product lock analyst - Android security is responsible for testing and helping maintain PayJoy's proprietary device locking technology against various bypass methods and tools, after every OS Over-The-Air (OTA) update, any update to our lock technology itself and any update to the in-market tools.

Responsibilities

  • Proactively and systematically test PayJoy's device locking mechanism on a diverse range of Android devices and OS versions following every OTA update.
  • Conduct thorough, periodic testing of the lock after every update or modification to the PayJoy lock technology. 
  • Actively research, identify, acquire, and utilize existing and emerging lock-breaking tools, software, hardware techniques, and methodologies (e.g., factory reset exploits, bootloader vulnerabilities, ADB exploits, custom ROM flashing, FRP bypass tools) to attempt to bypass the PayJoy lock.
  • Develop, maintain, and execute comprehensive test plans, test cases, and test scenarios specifically focused on lock security, bypass attempts, and anti-tampering features.
  • Simulate various attack vectors and user behaviors that could lead to a lock bypass.
  • Document all testing activities, methodologies, findings, discovered vulnerabilities, and precise steps to reproduce in a clear, concise, and actionable manner using our bug tracking system (e.g., JIRA).
  • Collaborate closely with Android developers, security engineers, and product managers to report vulnerabilities, discuss root causes, propose mitigation strategies, and verify the effectiveness of fixes.
  • Provide detailed reports on test execution, vulnerability status, and overall lock security posture.
  • Stay continuously updated on the latest Android security vulnerabilities, platform changes, rooting techniques, bootloader unlocking methods, custom firmware, and new bypass tools/techniques relevant to device locking mechanisms.
  • Maintain and manage a lab environment with various Android devices, testing tools, and necessary infrastructure.

Requirements

  • Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a related field, or equivalent practical experience.
  • 3+ years of experience in Quality Assurance, with at least 1-2 years specifically focused on mobile application testing on the Android platform, proven hands-on experience and a strong curiosity for attempting to bypass software-based locks, security mechanisms, or device restrictions.
  • Strong understanding of the Android OS architecture, including bootloader, recovery mode, ADB (Android Debug Bridge), fastboot, system partitions, and security features.
  • Familiarity with common Android rooting techniques, custom ROMs (e.g., LineageOS), and tools used for device modification (e.g., Magisk, Xposed Framework – for understanding potential attack vectors).
  • Experience with Android debugging tools (e.g., Android Studio, Logcat, Wireshark/tcpdump for network analysis if relevant).
  • Meticulous attention to detail, strong analytical, and problem-solving skills.
  • Excellent written and verbal communication skills, with the ability to document technical issues clearly and effectively.
  • Ability to work independently, manage priorities, and take ownership of assigned tasks in a fast-paced environment.

Benefits

  • 100% Company-funded Health and dental and vision discount plan for employees and immediate family members.
  • Life insurance.
  • Phone finance, Headphone, home office equipment and wellness perks.
  • 30 days of Christmas bonus
  • 20 days paid Vacation
  • 50% Vacation premium 
  • 13% Saving funds 
  • $2,000 MXN monthly grocery coupons
  • $2,000 USD annual Co-working Travel perk
  • $2,000 USD annual Professional Development perk
  • Catered lunches

PayJoy is proud to be an Equal Employment Opportunity employer and we welcome and encourage people of all backgrounds. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

PayJoy Principles

Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening

Top Skills

Adb (Android Debug Bridge)
Android
Android Studio
Fastboot
JIRA
Lineageos
Logcat
Magisk
Tcpdump
Wireshark
Xposed Framework
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: San Francisco, CA
617 Employees
Year Founded: 2015

What We Do

PayJoy's mission is to deliver access to credit to the next billion people in emerging markets worldwide. Our unique mobile security technology gives customers the ability to afford their first smartphone on credit, using the phone itself as collateral, and then provides further access to credit to help weather life's unexpected financial surprises and climb the ladder of economic well-being. Founded in 2015, today PayJoy has reached millions of customers in a dozen countries around the globe, including Mexico, Brazil, Colombia, India, Kenya, and South Africa, and is on a strong growth path with support from major industry partners to bring credit to the next billion emerging consumers.

Similar Jobs

CrowdStrike Logo CrowdStrike

Regional Sales Director (Remote, MEX)

Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Remote or Hybrid
México
10000 Employees

Q2 Logo Q2

IOC Analyst

Digital Media • Fintech • Information Technology • Mobile • Payments • Software • Financial Services
Remote or Hybrid
México
2700 Employees

Samsara Logo Samsara

Quality Assurance Analyst

Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Easy Apply
Remote or Hybrid
México
4000 Employees

Samsara Logo Samsara

Mexico Major AE

Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Easy Apply
Remote or Hybrid
México
4000 Employees
500K-500K Annually

Similar Companies Hiring

Amplify Platform Thumbnail
Fintech • Financial Services • Consulting • Cloud • Business Intelligence • Big Data Analytics
Scottsdale, AZ
62 Employees
Rain Thumbnail
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3 • Infrastructure as a Service (IaaS)
New York, NY
100 Employees
Granted Thumbnail
Mobile • Insurance • Healthtech • Financial Services • Artificial Intelligence
New York, New York
23 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account