Dimitris Kafetzis

Principal Software Engineer

SG Digital (Division of Scientific Games Corporation)•  September 2018 - Present

* Led a team of 3 engineers with the goal to harden the funding flow ensuring eWallet integrity resulting in a drop of 1 incident per week to 1 per year * Enhanced the performance of slow database queries bring the number of production incidents due to human design error down to zero (0) * Investigated more than 20 high profile production issues and presented 4 sensitive incidents to C level stakeholders * Migrated 80 million lottery bets to renewed, more robust data model

Senior Software Engineer

SG Digital (Division of Scientific Games Corporation)•  October 2015 - August 2018

* Coordinated development of cross functional features amongst teams of different locations with a goal to rollout our solution to a new tier 1 customer * Owned the data migration into the new platform including 100 million rows of transaction history and user activity and completed in under 3 hours * Designed distributed queries for Informix database materialising the reporting needs of the Finance and Trading departments * Influenced the release process from code to production increasing the delivery capacity of the team * Rewrote the ansible deployment scripts reducing to zero the release introduced incidents Engineering stack: Unix/Linux, Bash/Shell, Tcl, Java Springboot, Python, Sql, Ansible, Maven, Jenkins, Yum, Kafka, IBM Informix database, Postgres.

Software Engineer

OpenBet Ltd (Part of NYX Gaming Group)•  November 2012 - September 2015

* Wrote and performed the extraction of one billion rows during uptime and no impact to operations * Integrated with Paypal & Safecharge payment providers tokenizing credit card information removing the need for PCI compliance Engineering stack: Unix/Linux, Bash/Shell, Tcl, Sql, Html, Javascript, CSS, Maven, Jenkins, IBM Informix database, Postgres.

University of Patras

Electrical Engineering & Computer Science, ME•  September 2003 - July 2008

Dropout