Participated in developing a trading platform for one of the top Canadian Banks. Project was based on Spring Framework, PostreSql db, maven, and consisted of core server app and a variety of standalone applications. One of the great challenges is working with lots of platform components. Most interesting task I've done is implementing a fuzzy match criteria that used a db query and query of actions that are not yet saved to db(in transaction), for matching incoming activities from message… Show more Participated in developing a trading platform for one of the top Canadian Banks. Project was based on Spring Framework, PostreSql db, maven, and consisted of core server app and a variety of standalone applications. One of the great challenges is working with lots of platform components. Most interesting task I've done is implementing a fuzzy match criteria that used a db query and query of actions that are not yet saved to db(in transaction), for matching incoming activities from message broker with the ones existing in the database. Show less

Took part in creating a concept-based search engine core for a major USA sporting goods manufacturer/retailer. It was Elasticsearch based, and could be tuned to provide optimal precision/recall ratio. More relevant results and better performance of the new component has resulted in approximately 50 mil. USD increase of customer company's annual profit. Biggest personal achievement is implementing a spellchecking service to correct the search phrase, and conducting an internal tech-talk… Show more Took part in creating a concept-based search engine core for a major USA sporting goods manufacturer/retailer. It was Elasticsearch based, and could be tuned to provide optimal precision/recall ratio. More relevant results and better performance of the new component has resulted in approximately 50 mil. USD increase of customer company's annual profit. Biggest personal achievement is implementing a spellchecking service to correct the search phrase, and conducting an internal tech-talk "Handling multiple languages in a single search query". Show less