Nikoloz Gabisonia
Verified Expert in Engineering
Back-end Developer
San Francisco, CA, United States
Toptal member since May 3, 2022
Nikoloz is passionate about engineering. He is driven by curiosity, trying to understand how systems function and how to make them perform better. Inspired by those brave enough to explore uncharted territories in the landscape of imagination, Nikoloz is willing to contribute to projects on the back-end side.
Portfolio
Experience
- Algorithms - 10 years
- Data Structures - 10 years
- Java - 8 years
- SQL - 8 years
- Big Data - 5 years
- Python - 5 years
- Data Analysis - 4 years
- Scala - 2 years
Availability
Preferred Environment
Linux
The most amazing...
...project I've developed included bidding strategies to tackle header bidding and concealing auction formats on ad exchanges.
Work Experience
Software engineer
Amazon.com
- Applied ML models to solve supply chain optimization problems.
- Worked with economists to build models and data infrastructure.
- Built integrations to simplify the model rollout process.
Software Engineer
- Worked on a data collection and ingestion pipeline for logs generated by all microservices within Twitter.
- Provided support to analyze and visualize log data for other teams.
- Optimized early stages of the log collection pipeline to improve durability during incidents.
Software Engineer
- Built a data infrastructure and ML models to classify sensitive content on Facebook and Instagram platforms.
- Tackled issues such as working with low quality or insufficient training data.
- Improved Instagram's infrastructure to achieve parity with Facebook infra functionality.
Software Engineer
Rocket Fuel
- Optimized an ad serving infrastructure to make the most out of the 100 milliseconds time limit set by ad exchanges.
- Developed bidding strategies to tackle header bidding, concealed auction dynamics, and improved cost per action (CPA).
- Worked on a forecasting feature to predict ad campaign performance.
Software Engineer
- Provided mobile operator offers directly into the YouTube app for some third-world countries.
- Launched multiple experiments and analyzed user behavior.
- Built services to integrate with different mobile operators.
Software Engineering Intern
- Optimized and expanded the functionality of HPHPc—HipHop for PHP, later known as Hack or hacklang.
- Worked on code translator to generate highly performant C++ code from PHP code.
- Added support for some new keywords in HPHPc to match the functionality of other common languages.
Experience
GNN & Tapeze
I worked on this project with an IT school teacher in 2006.
Mapspot.ge
Education
Bachelor's Degree in Computer Science
Tbilisi State University - Tbilisi, Georgia
Skills
Tools
Splunk
Languages
Java, Python, SQL, Scala, Hack, C#.NET, PHP, JavaScript, C++, Python 3
Frameworks
Spark
Platforms
Linux, Android
Storage
PostgreSQL
Other
Algorithms, Data Structures, Big Data, Data Visualization, Data Analysis, Distributed Systems, Computer Science, HPHPc, Code Generators
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