Jessie Ho
Senior Application Security Engineer
Singapore, Singapore
Summary
🤩
Rockstar🎓
Top SchoolJessie Ho is a Senior Application Security Engineer with nine years of experience building automation and tooling to make security scalable and actionable. Based in Singapore, she has led cyber security efforts at ZALORA and Zalo and now contributes to application security at ByteDance, blending leadership with hands-on engineering. An active open-source maintainer, Jessie created and steadily improved widely used offensive-security tools like Osmedeus, Metabigor, and Jaeles, focusing on backend, DevOps, and recon workflows. She excels at turning reconnaissance and scanning innovations into reliable, production-ready automation—improving parsers, crawlers, reporting, and dependency checks. Known for pragmatic fixes and feature-driven enhancements, she bridges red-team tooling and enterprise security programs to shorten the feedback loop between discovery and remediation.
9 years of coding experience
3 years of employment as a software developer
Ho Chi Minh City University of Technology
Github Skills (33)
bugtracking10
bugzilla10
penetration-testing10
osi10
web-application10
security-txt10
bug-tracker10
r10
command-line-interface10
hacking10
security10
go10
spider10
parsing10
webapp10
Programming languages (9)
Github contributions (5)
jaeles-project/gospider
Jul 2020 - Jan 2023
Gospider - Fast web spider written in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 18 commits, 6 PRs in 2 years 6 months
Contributions summary:Jessie primarily focused on enhancing the functionality and features of the Gospider project. They added new options to control crawling behavior, such as disabling features and enabling JSON output. The user also addressed a typo and upgraded to a newer version of the project. These changes involved modifying core crawler logic and main program execution.
golangspiderbugbountyweb-spidercrawler
jaeles-project/jaeles
Nov 2019 - Jul 2022
The Swiss Army knife for automated Web Application Testing
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 releases, 1 review, 198 commits in 2 years 8 months
Contributions summary:Jessie primarily contributed to the core functionality of the web application testing tool, making improvements to the parsing and generation of requests. The user fixed a typo, improved fuzz signatures, and added cookie functionality within the generator API, enhancing the tool's flexibility and testing capabilities. The contributions involved significant changes to the core parsing and generation components. The user also added functions to enable more in depth scanning.
golangjaelesscannersecurity-toolsarmy
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