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Mj EstillanaME
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Mj Estillana

@mjestillana

Senior Software Engineer at Trend Micro who built an AWS pipeline processing 26,000+ APK records in about 20 seconds.

Philippines
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At Trend Micro, I led backend modernization for the Mobile Application Reputation Services (MARS) platform and built the Data Volume Scanner, a serverless AWS pipeline that processes 26,000+ APK records in about 20 seconds.

I also designed Audrey, a Python-based vulnerability intelligence platform that monitors threat feeds from 10+ sources and automates Jira Cloud tickets for newly discovered exploitable CVEs.

For Trend Micro, I delivered the CVE-to-Protection API, a FastAPI dashboard with 12 metric types, role-based access control, and 215 pytest unit tests. I’ve also built secure, scalable APIs and multi-tenant SaaS backend services.

Before Trend Micro, I developed backend systems for Cebu Pacific Air, CIS Bayad Center, Doconchain, and Kryptosports Lab, including airline integrations, payment and remittance services, and document workflows. Earlier, I co-founded Zenit Innovation and worked on mobile applications and backend services.

Experience

Work history, roles, and key accomplishments

Trend Micro Inc. logoTI
Current

Senior Software Engineer

May 2024 - Present (2 years 5 months)

Led backend modernization and automation for the MARS platform, including building a serverless AWS pipeline processing 26,000+ APK records in about 20 seconds. Designed and delivered the CVE-to-Protection API and Audrey vulnerability intelligence platform.

Cebu Pacific Air logoCA

Senior Software Engineer

Cebu Pacific Air

Nov 2022 - May 2024 (1 year 6 months)

Designed and developed backend APIs using Node.js to support airline operations and partner integrations. Implemented complex business logic and database workflows across AWS RDS, MySQL, and NoSQL systems.

CC

Senior Back End Developer

CIS Bayad Center

Jun 2022 - Nov 2022 (5 months)

Developed Node.js APIs supporting payment and remittance systems, enabling secure integration between Bayad Center and partner institutions. Implemented KYC service endpoints and delivered integrations with multiple remittance partners.

DO

Senior Software Engineer

Doconchain

Mar 2020 - Apr 2022 (2 years 1 month)

Designed and implemented backend services using Node.js (AdonisJS) to power enterprise document-workflow platforms. Led API development for large-scale data migration pipelines and supported system integration testing and production deployments.

KL

Senior Software Engineer

Kryptosports Lab

Mar 2019 - Mar 2020 (1 year)

Built RESTful APIs using Laravel to support cryptocurrency trading platforms and transaction processing systems. Implemented MySQL-backed services for high-frequency trading workflows and portfolio data management.

ZI

Co-founder/Software Engineer

Zenit Innovation

Nov 2017 - Nov 2018 (1 year)

Co-founded a startup delivering mobile and backend platforms for client projects. Developed iOS applications using Objective-C and Xcode, and designed backend APIs using Node.js.

OI

Fullstack Developer

Orange and Crane Innovation Inc

Jan 2016 - Nov 2017 (1 year 10 months)

Developed Android applications using Java and Android Studio, and iOS applications using Objective-C and Xcode. Implemented Node.js backend APIs supporting mobile platforms.

LC

Fullstack Developer

Let's Blum It! Corp

Sep 2013 - Nov 2015 (2 years 2 months)

Built Android applications using Java and Android Studio, and iOS applications using Objective-C and Xcode. Implemented backend services with Spring MVC (Java).

Education

Degrees, certifications, and relevant coursework

Technological University of the Philippines logoTP

Technological University of the Philippines

Bachelor of Science, Computer Science

2009 - 2013

Activities and societies: Annual Research Presentation Candidate; Computer Association (COMPASS) Councilor

Bachelor of Science in Computer Science from the Technological University of the Philippines, completed in 2013.

IS

Imus National High School

High School Diploma, General Secondary Education

2005 - 2009

Secondary education at Imus National High School from 2005 to 2009.

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