Mail.Ru Group (https://corp.mail.ru/en/)
The go.mail.ru search engine (division of the Mail.Ru Group), department of query processing.
Main project - Search Suggestions:
- design and implementation of core algorithms, base ranking system, synonymizing and spell-checking, spam filtration;
- hadoop-based indexer for suggestions based on search queries logs and users' (anonymized) activities.
- quality evaluation metrics;
- architecture and implementation of quality evaluation system based on A/B-testing;
- release-dependent deploying and roll-back system.
Secondary tasks and achievements:
- query classifying and labeling;
- researches for other projects.