Leading the traffic development team and creating in house solutions for Load Balancing and DNS systems using the following technologies:Nginx, apisix, etcd, powerdns, dnsdistPython, LuaPostgresql, etcd, redisPrometheus, grafanaConsulAnsible

Leading the development of WAF/LB appliance Havelsan Kalkan

- Leading the development of Havelsan Kalkan which is a Web Application Firewall and Load Balancer.- Occasionally contributing to the development of Havelsan Bariyer which is a DLP software.- Technical responsible for a part of a project aimed at the development of multiple Cyber Security Solutions for the needs of the Turkish Military.

I am responsible for implementing new security functions for Labris UTM and also conducting penetration tests and remediating the vulnerabilities found in our products.For penetration and vulnerabilty testing I have used, Netsparker, Picus, Metasploit, Burp Suite etc.Some of the new security functions I have implemented are:* DNS-Sinkhole* Data Leak Prevention (DLP)* Profile Based IDS/IPS* SSH Login security* Modernisation of the IDS/IPS system* Creating… Show more I am responsible for implementing new security functions for Labris UTM and also conducting penetration tests and remediating the vulnerabilities found in our products.For penetration and vulnerabilty testing I have used, Netsparker, Picus, Metasploit, Burp Suite etc.Some of the new security functions I have implemented are:* DNS-Sinkhole* Data Leak Prevention (DLP)* Profile Based IDS/IPS* SSH Login security* Modernisation of the IDS/IPS system* Creating a user interface to allow users create their own IDS/IPS rules* Add new IPS functionalities* Allow users to change a categorization of a domain/URL on their devices.I have also designed and implemented automated signature update systems for the following:* Antivirus* IDS/IPS* Webfilter* Geo-IP* AntispamI have designed and implemented the backend functions for a webfilter feedback system, with this system users can report miscategorized or uncategorized URLs to us over a web service. Then these feedbacks are reviewed from another internal webservice that I have designed. The feedbacks are then either approved, modified or rejected. And these are automatically published to all Labris UTM devices.Technologies used: Python, Bash, PostgresqlI have also written yearly cyber security report and predictions articles.I have leaded the TRTEST certification process on Labris side as to ensure that our product meets the certification criterias. Show less

As a scrum master, my main goal is to ensure that our team delivers the deliverables on schedule and with a high level of quality. With each sprint we try to improve ourselves, and our development processes. With time we have been able to set many practices for higher quality deliverables. These include but are not limited to:- Code review,- Testing,- Good git branching model,- Static code analysis,- Continuos integration,Technologies: Jira, Confluence… Show more As a scrum master, my main goal is to ensure that our team delivers the deliverables on schedule and with a high level of quality. With each sprint we try to improve ourselves, and our development processes. With time we have been able to set many practices for higher quality deliverables. These include but are not limited to:- Code review,- Testing,- Good git branching model,- Static code analysis,- Continuos integration,Technologies: Jira, Confluence, GitLabI spend approximately 1/3 of my day against the agile board and beside my colleagues doing pair programming and mentoring.Also as a developer I have been involved in almost every project in the company. Some of the projects I have been involved are listed below:- Contributed to the development of a system for the centralized management of multiple UTMsTechnologies: Python- I am one of the main developers responsible fot both server side and client side of Labris Management Console (The user interface used for the management and configuration of Labris devices)Technologies: Java, C++, Bash, Python- I have created new report types for Labris Reporting and Monitoring Sytem ( Both the client side and server side)Technologies: J2EE, Eclipse BIRT, Python, PostgreSQL, Syslog-ng- Added new features to Labris Webfilter.Technologies: C, C++- Contributed extensively to the development of an asynchronous log parsing engine.Technologies: Python, twistd- Involved in database designsTechnologies: Postgresql, Mysql- Created and maintained installation packagesTechnologies: RPM- Maintained the package repositoryTechnologies: GitLab- Mentored interns Show less

I have written a userspace interface for the netfilter module similar to Iptables. I have written this interface using C and used the /proc filesystem for kernel space communication.