Daniel H.


538 dollar
16 years
Bucharest, ROMANIA

My experience


WeChallJanuary 2007 - Present

Ranked in top 10 of "The best hackers and challenge solvers in the world" for over 10 years.

StarClusterJune 2019 - August 2020

StarCluster is the go-to environment for highly passionate IT professionals focused on growth.
We provide end-to-end software and security engineering services, tackling projects from a wide range of domains.

My goal is to nurture this environment.

Self-EmployedJanuary 2010 - January 2020

- Assessing product and network security through white, gray or black-box pen-testing.
- Advising on security processes or protocols to be implemented based on the entity context.
- Developing CTF challenges for various contests around the world organized by organizations such as Facebook.
- Ounseling regarding GDPR.
- Training development teams on security.

PenthackonSeptember 2013 - November 2019

Penthackon is a global security team participating in Capture The Flag contests.
Finished as 5th security team in the world in 2014 ( https://ctftime.org/ ).

KuendeNovember 2017 - September 2019


0-Day CapitalFebruary 2019 - August 2019

0-Day Capital is a venture firm focused on helping very early-stage innovative startups build successful businesses. By providing pre-seed funding and support at every stage of the journey, 0-Day Capital is engaged from initial idea to long-term success.

Great ideas go global.

eMAGMarch 2017 - December 2017

Developed eMAG's information security approach on all its verticals.
Trained software development teams on secure coding and security principles.
Coordinated technical part of GDPR compliance processes.

emia.comNovember 2015 - March 2017

Mandarine International SAJune 2016 - December 2016


PayUMarch 2015 - October 2015

Also in charge of security auditing the large legacy codebase.

RINF TechApril 2015 - June 2015

One of the 2 technology trainers within Girls Oriented Programming 3-months-long academy initiative.
Selected 12 girls out of several dozens that registered for the course and introduced them to the art of web development (XHTML, CSS, jQuery, PHP, MySQL) and some basic things about web security and systems administration.

Most of that finished the training got employed afterwards at notorious companies.

Conversion Network LLCJune 2014 - March 2015

Also one of the two persons in charge of implementing security protocols and auditing the ecosystem (infrastructure, source code).

Quadrus ConceptMay 2013 - November 2014

Part-time remotely working on developing QClot, a management system for logistics of transportation.
Technologies: PHP, MySQL, JavaScript, jQuery, CSS, HTML

Alcatel-LucentOctober 2013 - May 2014

Part-time employment.

My stack

Web development, Team management, Swift, Scala, Python, Project Management, PHP, Objective C/C++, Node.js, Networking, MySQL, Marketing Strategy, Linux, JavaScript, Java, Go, C/C++, C++, Business Development