Dwi Siswanto
Core Engineer at ProjectDiscovery
Special Capital Region of Jakarta, Indonesia
Summary
🤩
Rockstar🎓
Top SchoolDwi Siswanto is a Core Engineer with nine years of hands-on experience building high-performance security tooling and backend systems, currently working at ProjectDiscovery. He contributes actively to notable open-source projects—authoring fast Go-based scanners like go-dork and crlfuzz, improving the widely used nuclei vulnerability scanner, and enhancing proxy and CDN detection tooling. Skilled in Go, concurrent programming, tooling ergonomics, and security R&D, he focuses on performance, reliability, and practical exploit detection. Comfortable across backend and full-stack tasks, he has shipped features from core protocol parsing to multithreaded architectures and live-reload DevOps enhancements. Based in Jakarta, he combines a hacker’s curiosity—“build & break things”—with disciplined engineering that addresses real-world security workflows.
8 years of coding experience
Pelajar, Rekayasa Perangkat Lunak, Pelajar, Rekayasa Perangkat Lunak at SMK Negeri 1 Kota CirebonPelajar, Pelajar at SD Negeri 1 TukmudalPelajar, Pelajar at SMP Negeri 2 Sumber
English, Indonesian
Stackoverflow
21reputation
38reached
0answers
1question
Github Skills (50)
json10
apim10
amazon-cloudfront10
fastly10
python10
apidoc10
multithreading10
vulnerability-scanners10
dsl10
security-scanner10
configuration-management10
http10
proxy10
proxy-server10
microsoft-azure10
Programming languages (24)
Github contributions (5)
dwisiswant0/crlfuzz
Aug 2020 - Mar 2022
A fast tool to scan CRLF vulnerability written in Go
Role in this project:
Backend Developer
Backend DeveloperContributions:1 release, 13 reviews, 44 commits in 1 year 6 months
Contributions summary:Dwi primarily contributed to the development and maintenance of the `crlfuzz` tool. Their work involved bumping the version, fixing typos, and refactoring modules, indicating an active role in the project's evolution. They added escape lists and improved URL generation, directly impacting the core functionality related to CRLF vulnerability scanning. Moreover, they updated the concurrency settings, output functionality and renamed binaries, suggesting they were also focused on performance, usability, and the overall tooling.
golangscansecurity-toolssecurityvulnerability-scanner
dwisiswant0/go-dork
Jul 2020 - Sep 2022
The fastest dork scanner written in Go.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 24 commits, 2 PRs in 2 years 2 months
Contributions summary:Dwi primarily focused on developing a dork scanner in Go. Their contributions include the initial implementation of the main function, refactoring the code to utilize Go modules and a proxy library, and introducing multi-threading for querying. The user also addressed bug fixes such as closing files to prevent resource exhaustion and disabling color output.
golangscannersecurity-toolsbugbountybugbounty-tool
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