CTO, Founder
2017 - PRESENTEureka- Implemented a Docker-based architecture for scientific computations.
- Created a NodeJS back-end automating Google Cloud API interactions.
- Automated provisioning of multiple infrastructure-as-code environments.
- CircleCI and Travis Continous Integration and Continous Delivery pipelines.
Technologies: SSH, WebSockets, Google Cloud, Node.js, DockerSenior DevOps / Full-stack Developer / Security Specialist
2016 - PRESENTMultiple Companies- Architected scalable and automated CD pipelines on major cloud providers.
- Served as full-stack developer and DevOps for several clients across the world.
- Automated pipelines using, among others, Ruby on Rails, Sinatra, Capistrano, NodeJS, Terraform, Ansible and Puppet.
- Performed ad-hoc penetration tests on Web Applications and Cloud Infrastructures.
Technologies: Capistrano, Node.js, GitLab, Travis CI, CircleCI, Ruby on Rails (RoR), Ansible, Terraform, DockerSenior Security Consultant
2015 - 2016Deloitte- Served as Senior Penetration Tester for Banks, Multinationals, and other global scale customers.
- Oversaw large scale Red-Teaming operations involving Cyber, Physical, and Human factors.
- Performed security assessment of Web Applications, Mobile applications, Embedded devices, Infrastructures and Corporate Networks.
- Awarded CyberLympics champion 2015 in Washington D.C. with team Hack.ERS (https://cyberlympics.org/?team=hack-ers).
- Facilitated binary exploitation and exploit writing training.
Technologies: Hashcat, Kali Linux, Windows PowerShell, Cobalt Strike, Burp SuiteSenior DevOps
2014 - 2015Cloudreach- Consultant for global scale customers.
- Migrated data centers serving hundreds of services.
- Architected and implemented complex secure, highly available, and scalable platforms using AWS.
- Developed of Rack-based Ruby RESTful metaprogrammed API.
Technologies: Amazon Web Services (AWS), REST APIs, Rack, Google Cloud, AWS CloudFormation, Chef, PuppetDevOps Engineer
2013 - 2014Atlassian- Managed >120.000 J2EE applications across >50.000 OpenVZ VMs in two DataCenters.
- Performed internal and external monitoring with Nagios and Zabbix.
- Automated operations across the board through self-designed pipelines and tools (Python, Ruby and Bash).
- Led full-scale deployments with Puppet.
Technologies: Boto, OpenVZ, Jakarta EE, Zabbix, Nagios, PuppetSystem and Network Administrator / Software Developer
2004 - 2013Multiple Companies- Installed and configured web services like PostgreSQL, MySQL, IIS, Apache, Nginx, Squid, Samba, Plone, Liferay.
- Designed and developed a system to manage marks and communication between teachers, parents and students.
- Served as IT Admin for LAN managing routing, web proxying, hosted mailboxes, spam filters, firewall.
- Maintained the following services for hosted domain: BIND, Postfix, Amavis, iptables.
Technologies: Amavis, ClamAV, Postfix, FastCGI, BIND, Samba, NGINX, Apache, IIS, MySQL, Bash, Linux