# Boris Aleksandrovsky > Principal Engineer at Salesforce, ex-Amazon, ex-Apple Location: Albany, California, United States Profile: https://flows.cv/borisaleksandrovsky Principal Engineer at Salesforce, working on shopping agent powered by LLM, commerce search engine and SEO Sr. Engineer at Amazon Search, working on and scaling QU and search infra. Previously, founding member of engineering team at Helix, Head of Data Products Engineering at Flipboard and Search Architect at Yammer. ## Work Experience ### Principal Engineer @ Salesforce Jan 2022 – Present | San Francisco Bay Area Principal lead and architect of the Commerce Shopper Agent Commerce cloud search engine relevance, scale, generative AI and SEO ### Senior Engineer @ Amazon Search @ Amazon Jan 2017 – Jan 2022 | Palo Alto Leading the project to improve relevance of search results using domain knowledge Lead redesign of query understanding platform Leading document understanding efforts to increase recall and precision via indexing Hadoop @ scale supporting machine learning efforts. Metric collection and introspection project Machine learning training data @ scale ### Early engineer @ Helix Jan 2016 – Jan 2017 | San Francisco Founding member of the engineering group (1 eng + VP). Build Helix platform from scratch. Highlights - Co-architected Helix server infrastructure. Laid foundations for best practices for the rest of the team - Implemented authentication server, secure inter-services communications, secret storage (oauth2/JWT/vault) - Implemented e-commerce framework for order processing - Implemented partner events API for collection of state change data - Implemented analytics and operational framework for ETL, query and anomaly processing for orders and partner data (Kinesis/Redshift) Recruited, mentored and grew the team to ~30 engineers; the company as a whole from 20 to 150. ### Head of Data Products Engineering @ Flipboard Inc. Jan 2011 – Jan 2016 | Palo Alto My team is responsible for topic extraction engine, the homefeed, recommendations, scalable machine learning, and personalized notifications. ### Search Architect @ Yammer, Inc. Jan 2010 – Jan 2011 Yammer is a micro-blogging system and a social network for enterprises. I am working on real-time search, analytics and recommendations. Here is my talk at Lucene Revolution 2011 about realtime search - http://www.slideshare.net/baleksan/realtime-search-at-yammer ### Sr. Search Engineer @ BuzzLogic Jan 2008 – Jan 2010 Core algorithm development in the analysis of social media. ### Sr. Architect, Search @ Radar Networks Jan 2006 – Jan 2008 Stealth mode startup enabling semantic web search ### Project Lead @ Inxight Software Jan 2003 – Jan 2006 Technical leader for the information extraction, data mining and knowledge discovery tool called FactFinder. ### Domain Architect @ Applied Biosystems Jan 2000 – Jan 2003 Part of the architecture office which is responsible for adoption of AB architecture, a distributed messaging system connecting Java servers, EJB and C/C++ servers via letter-envelope declarative paradigm (similar to Web Services.) Architectural lead in persistence, query, naming, transaction, auditing and messaging components. Primary technical responsibility for HA, performance and scalability of the system. ### Director, Software @ Mercury2 Jan 1998 – Jan 2000 Was hired as a first member of technical stuff, overseeing the definition, management, technical architecture and significant part of coding for the Mercury2 service offering – sophisticated online transaction processing system enabling B2B international trade. ### Project Lead @ Marimba Jan 1998 – Jan 1999 Project leader and manager in distributed, bi-directional scheduled information distribution system. ### Senior Scientist @ Brightware Jan 1996 – Jan 1998 Project leader in e-mail classification engines based on hybrid NLP/Expert Systems/CBR/IR and statistical pattern recognition technologies. ### Intern @ Apple Computer, Inc Jan 1995 – Jan 1996 Design and coding of connected-character extension to Newton printed character recognizer using C++. ## Education ### MS/A.B.D in CS, Neuroscience UC Irvine ### Certificate in AI in Artificial Intelligence Stanford University ### BS in Computer Science, Pre-med New York University ## Contact & Social - LinkedIn: https://linkedin.com/in/baleksan - Portfolio: http://www.photo.net/photos/boris_forever --- Source: https://flows.cv/borisaleksandrovsky JSON Resume: https://flows.cv/borisaleksandrovsky/resume.json Last updated: 2026-04-12