March 2016 - Now (4 years)
Production Engineering at Facebook is a hybrid between software and systems engineering; it keeps Facebook running smoothly and scaling efficiently. The Production Engineering team works within Facebook’s product and infrastructure teams to make sure our services are reliable and scalable. The team writes code and debugs hard problems in live production that impact more than 2 billion people around the world.
Oct 2014 - Feb 2016 (1.5 years)
Facebook Security strives to create and maintain the safest environment possible for people on Facebook. We are building the technologies that lay the groundwork for more than 2 billion people around the world to connect and share with each other safely.
Oct 2010 - Sep 2014 (4 years)
- Defined architecture and requirements for information systems
- Provided technical expertise during negotiations with external software houses
- Implemented key pieces of systems
- Defined internal technology standards
Sep 2008 - Nov 2010 (2 years)
Senior Application Developer
Design and development of card payments processing applications.
Oct 2003 - Aug 2008 (5 years)
Corporate Systems Administrator
System administrator in one of the largest IT companies in Poland.
Gained experience with the following technologies and concepts:
- IT Systems security (no single intrusion/incident during the whole period up to date)
- LDAP (mainly OpenLDAP administration and writing lots of software that interfaces with LDAP servers, plus devising a replication + failover scheme for the company's main directory)
- Network backup - IBM Tivoli Storage Manager, a multi-terabyte installation that includes a SAN array and a fully automated dual-drive 20 TB tape library
- Internet mail and groupware (Courier mail system and eGroupWare + own customizations)
- Automation of administrative processes and workflow
- Knowledge management (with the help of TWiki and eGroupWare systems)
Oct 1999 - Sep 2003 (4 years)
Trainer and Consultant
Trainer in the area of office applications, VBA programming, and web development.
Daewoo Dacom Communications
1998 - 1999 (1 year)
Maintaining office computers, printers, small networking maintenance