David Osofsky Email & Phone Number

Boston, MA, US

Newton, MA, US

Armonk, New York, NY, US

• Led multi-disciplinary squad to productize and integrate subsystem that uses machine learning to recommend patient treatment options. Deliver high-quality product to 47 physicians in 4 locations.
• Managed development of core engine which was port of IBM Research code from Python to Java. Improvements during port made code more maintainable and increased performance 100X.
• Implemented RESTful microservice whose API exposes core engine functionality, such as cohort and treatment statistics and model training. Implemented in Java using Spring Framework and JAX-RS with OpenAPI (Swagger).
• Used Jackson API to implement subsystems to request, validate, and encode patient data using JSON configuration files for easy maintainability and extensibility to new medical conditions and institutions.
• Worked with squad’s data scientist to develop Python based tooling for data testing which led to significant improvement in product quality.
• Ran daily Agile stand-ups with squad and weekly meetings with research team and attended several other regular meetings with teams in and out of Watson Care Insights. Mentored 4 new developers. This collaboration and.

Armonk, New York, NY, US

• Team Lead and Individual Contributor, DistillerContributed to Distiller software, which searches medical records for indications of medical problems.
• Improved Distiller NLP negation by investigating and integrating negation and assertion NLP software into Distiller’s Watson/UIMA pipeline.
• Made Distiller highly customizable by implementing rules engine for generating indicators as Watson/UIMA annotator that supported arbitrarily complex JavaScript expressions by using JavaScript engine embedded in Java.

Armonk, New York, NY, US

• Led effort, in collaboration with IBM research, that integrated Sametime instant messenger with Watson Dialog Services NLP engine, Lucene and DB2 using Play Framework in Java, to implement digital assistant to answer.
• Used Lean Startup and Agile methodologies, working with HR team, UX team, and developers. Ran early pilot tests using Minimal Viable Products (MVPs) with HR and new hires. Methodologies and collaboration allowed.
• Developed supervised mode so that HR could intercept and correct answers from system at runtime. Enabled early deployment of unperfected system and provided instant HR feedback to improve application’s answers.

Armonk, New York, NY, US

• Built automated system that answered questions from IBM salespeople, written in Java using Watson platform.
• Managed team to ingest 1.6M documents into search indices and knowledge structures. Deployed 10-node Hadoop cluster for processing to allow timely ingestion to occur. Enhanced ingestion code in Watson Core to support.
• Led team that improved answer precision and recall. Implemented UIMA annotators including glossary, reverse glossary, and custom ontology based lexical answer type. Implemented custom lexicon and tuned various system.
• Helped develop question classifier that used NLP rules and machine learning. Managed effort to create training and test data. Cowrote http://www.lrec-conf.org/proceedings/lrec2014/pdf/25_Paper.pdf and presented as.
• Made Watson Sales Assistant hostable by changing Watson Sales Assistant code and generating new requirements for Watson Ecosystem hosting platform which improved Watson Ecosystem for users.

Armonk, New York, NY, US

• Worked on application that instantly finds IBMers using wide range of LDAP attributes.
• Extended Faces Hadoop MapReduce tasks for caching IBM directory to support new LDAP attributes.
• Worked with intern to integrate Faces with IBM Sametime instant messenger to provide Sametime users same great search and high-quality name completion available in Faces web UI.

Armonk, New York, NY, US

Mashup Center is a web browser component aggregation system, based on the iWidget (similar to OpenSocial) specification. Written in JavaScript using the Dojo JavaScript and Dynamic HTML library; also Java running on WAS (WebSphere Application Server). Client / server communication via AJAX– specifically using JSON and APP (Atom Publishing Protocol) REST.

Armonk, New York, NY, US

Lotus Component Designer allows simple creation of Portlets in Eclipse using Forms, Wizards, and JavaScript that runs on the server. Runtime written in Java running on WPS (WebSphere Portal Server) and development tool written in Java as Eclipse plugins.o Designed online/offline features to support running portlets in Eclipse clients – Notes and.

Armonk, New York, NY, US

Lotus Workplace is a set of collaboration portlets and services for WebSphere Portal Server; also an application component aggregation framework. Written in Java as JSPs and EJBs.o Designed and implemented document management portlet adapter EJB to support interfaces required by the component framework. o Led 3-member team: designed and implemented a.