National Aviation University

Software Engineer at Facebook

Skills: Distributed Systems · C++ · Storage Systems · Large Scale Systems · Databases

Facebook

Software Engineer

May 2017 - Aug 2019 Software Engineer @ Core Services (Users and Social Graph team) 
I was responsible for building and maintaining a suite of User and Socialgraph-related services, including offline jobs that supported these services. In addition, I participated in developing and implementing a new internal API that served as a middleware platform between Twitter services and the external Twitter API (GraphQL). 

May 2016 - May 2017 Software Engineer @ Cortex / ML (Services team) 
Developed and maintained a robust and reliable RPC service that exposed custom ML classification signals for various data types (video, image, and text). I designed and implemented a new service that accurately labeled tweets and users in real-time with company-wide NSFW (not safe for work) tags, enhancing the safety and appropriateness of content across the platform. 

Feb 2015 - May 2016 Site Reliability Engineer @ Cortex / ML 
I was responsible for designing and implementing a dedicated Mesos cluster run on GPU servers. This new infrastructure was specifically designed to support the training and classification of video content and was the first of its kind in the company.

Twitter

Worked on migration from dedicated hosting to AWS for HBO Go infrastructure. Developed service-agnostic Blue-Green deployment framework to deploy HBO's code to AWS.

System Engineer

Maintained high available and scalable services platforms(TomTom Live Services).

Responsible for:

* Puppetizing inherited infrastructure
* "Gatekeeping" puppet git repository
* Maintained Java-based web applications
* Developed tools for automated software deployment

TomTom

* Researched new solution to grow SaaS environment and manage problems
* Created documentation (implementation procedures/guides, procedures for knowledge database, system overviews )
* Developed tools and automated solutions to support the system.
* Contacted vendors concerning any issues related to third party software
* Cooperated with developers regarding related issues
* Scripted manual tasks to make them fully automated ( perl, bash )
* Developed plug-ins for Nagios, Cacti and Facter ( perl, bash, ruby )

Andrii Grytsenko