Bugra Akyildiz's Email Addresses & Phone Numbers

📖 Summary

Software Developer Intern @ Optisis Telecommunications • Designed and implemented an RS-232 interface between computer and Virtex 4 FPGA using serial protocol in VHDL in order to control FPGA through computer. From July 2009 to August 2009 (2 months) Ankara, TurkeySenior Machine Learning Engineer @ Hinge App • Owned and maintained the recommender service which is responsible for recommendations at Hinge.• Designed and implemented rating processing service which is responsible for ingesting rating data in Dynamodb.• Designed and implemented a variant of non-negative matrix factorization method which incorporates both ratings data and user information to provide recommendations.• Designed and implemented bloom filter to produce ineligible list to record rated people.• Designed and implemented compatibility check on users in Postresql using SQLAlchemy.• Designed and implemented filtering first degree friends using Facebook API and Redis.• Designed and implemented various algorithms to prioritize people based on distance, social degree and various other attributes of the users.• Maintained data processing pipeline which puts various application data in Redshift.• Implemented publishers and consumers for Kinesis. From August 2015 to November 2016 (1 year 4 months) Greater New York City AreaData Scientist @ Axial • Built a keyword and phrase extraction system to expand industry taxonomy in search.• Implemented company introduction emails to recommend relevant companies to privateequity firms.• Designed and implemented a similarity tool based on Jaccard index to measure similarity across different industries.• Implemented postings list to speed up the keyword matching across different text sources.• Built an industry classifier to predict taxonomy of the industry from project description.• Designed and implemented various search endpoints in Xapian.• Implemented search indexer consumers for different Kafka topics. From December 2014 to September 2015 (10 months) Greater New York City AreaMachine Learning - NLP Engineer @ CB Insights • Built news classifiers using Scikit-Learn across different categories.• Designed and implemented technology stack of private companies.• Implemented performance metrics of companies.• Developed trend estimation methods to compute metrics and momentum of high-growth companies. From December 2013 to December 2014 (1 year 1 month) Greater New York City AreaAlgorithms Engineer @ dMetrics Inc. • Implemented evaluation methods for Topic Modeling.• Developed variants of Latent Dirichlet Allocation(LDA) across different domains.• Developed Pig scripts using Jython for analytics.• Implemented Maximum-Entropy spam classifier. From May 2013 to December 2013 (8 months) Greater New York City AreaSoftware Developer @ Viacom • Built test cases in Gherkin for Cucumber framework.• Developed automation tools using Selenium and Sauce Labs. From December 2012 to April 2013 (5 months) Greater New York City AreaSoftware Developer Intern @ Digital Three World Technology • Built CRUD(Create-Read-Update-Delete)API(ApplicationProgrammingInterface) in order store user receipts in MongoDB.• Researched various NoSQL databases in terms of size, usage and availability. From May 2012 to August 2012 (4 months) Greater New York City AreaResearch Intern @ Koç University - Developed an image retrieval system using Extended Trace Transform forfeature extraction of sketches, SVM as classification tool and Mean Average Precision algorithm to rank the images. From June 2011 to August 2011 (3 months) Istanbul, TurkeySoftware Developer Intern @ TUBITAK • Implemented Multiplication and FFT methods to detect phase difference in radarin Virtex 5 FPGA in VHDL.• Tested the system on real radar signals. From July 2010 to August 2010 (2 months) Ankara, TurkeySenior Engineering Manager @ Walmart Labs From March 2019 to January 2020 (11 months) Greater New York City AreaSenior Engineering Manager II @ Walmart Labs From January 2020 to September 2020 (9 months) Staff Software Engineer @ Jet.com From November 2016 to March 2019 (2 years 5 months) Engineering Manager, Machine Learning @ Facebook New York, United States