Helped complete and launch a reimplementation of the Lumosity application, and contributed to an ADHD treatment medical device (currently pending FDA approval).TypeScript, Node.js, GraphQL, React

Contributed to a product enabling live audience engagement and real-time polling, and provided advising on architectural and engineering practices.JavaScript, Node.js, Vue

Acquired Sqrrl.Rearchitected and rebuilt Sqrrl's native Linux product as an AWS service (Amazon Detective), focusing primarily on the ingest and storage of massively scaled network security data, as well as deployment and management of large AWS topologies.Java, AWS (Lambda, EC2, S3, SQS, DynamoDB, CloudFormation, etc).

Data science-embedded engineer (2017-2018), working with a research science team to productize research prototypes, establish engineering best practices, and facilitate communication between data science, product, and engineering teams. Used anomaly detection, entropy analysis, and other ML techniques for cyber threat detection.Java, Scala, Spark, Python.UI team lead (2015-2016), developing a rich client for exploration of graph data, a cybersecurity posture dashboard, and management consoles. Technical lead and project management for a team of 5.JavaScript, Backbone.js, jQuery.Backend developer (2013-2014) on massively scalable NoSQL database, focused on query system, data modeling, API, and interactive management tools.Java, Apache Accumulo, Hadoop, Zookeeper.

Acquired Recurve.Migrated monolithic Java server app to scalable, service-oriented architecture. Migrated waterfall development team to continuous integration. Java, Play, Spring, PostgreSQL, Cassandra, Cloudstack.

Developer on tool for auditing home energy efficiency, from UI to modeling residential heat flow.Java-/CoffeeScript, HTML5, and Flex client, Java server running on AWS.

Primary server developer, occasional client developer on rich Flash online social adventure/puzzle game. Java on Linux, MySQL, ActionScript 3, Flex.

Developer, primarily on Client team, developing rich Flash social networking app. ActionScript 2, C# on Windows, MS-SQL.

Developer on Virtual Devices team, primarily focused on virtual network devices. C, x86 and IA-64 assembly, on Windows, Linux, BSD, Solaris.

Classes "Operating System Design and Implementation" and "Principles of Programming". C, x86 assembly, SML.

Developed tool for inferring XSLT given source and target XML examples. C# on Windows.

Quality Engineering on Language Team. Matlab, Java on Windows, Linux, MacOS X.

Developed UI for computer vision applications. C++ on Windows.