• Design, build, and test code for millions of enthusiastic users• Lead OAuth 2.0 conversion project, for both authorization servers and resource servers• Lead an initiative to containerize local development environments• Introduce Kafka to our development team with an initial use case to production• Monitor and improve production systems through proactive troubleshooting and resolution• Java, JUnit, OAuth 1.0 / 2.0, JWT, Spring Security, SSO, Docker, Kafka, SQL Server

TechnologiesAppSync, AWS Elastic Container Service (ECS), AWS Lambda, CloudFormation, Docker, Elasticsearch, GraphQL, Nameko, Python, RabbitMQ, Terraform

•Design and implement cloud-based SaaS and on-premise network security software from initial concept through scaffolding, implementation, hardening, and engaging with customer design partners while serving in a lead or senior architect role•Implement cluster management and devops tooling in AWS in a cloud vendor-agnostic way (Ansible)•Create Elasticsearch ingestion pipeline capable of handling many thousand events per second, secured by mutual TLS/client certificate authentication•Optimize Elasticsearch sharding strategy and queries to provide fast response times•Apply knowledge of best practices, design patterns, algorithms, firewalls and network devices to problems of compliance, change control, and automation of network security•Provide technical design, leadership, and mentorship to teammatesTechnologiesActiveMQ, Ansible, Apache, AWS EC2, AWS Elastic Load Balancer (ELB), CXF, Elasticsearch, Flyway, Git (Atlassian Stash/Bitbucket), Jackson, Java, JIRA, JMeter, JMS, JPA, JSON, JUnit, Logstash, Kibana, Maven, PostgreSQL, Redis, Spring Boot, Spring Data JPA, Spring JdbcTemplate, Spring Integration, STOMP, TLS 1.2, Websockets

•Built single-page web application functionality in Backbone.js and Underscore.js for an audience of millions of consumer users in the fitness space•Worked with team of senior engineers to build Hadoop/HBase backend and migration strategy for a "big data" approach to solving scaling challenges brought on by extremely rapid growth in customer adoption•Implemented REST services backed by Exadata and Hadoop/HBase backends•Optimized legacy code for efficient data access and improved concurrency

•Built REST APIs to replace and augment legacy services•Adapted existing Hibernate implementation to interoperate with JPA and Spring-managed transactions•Converted monolithic build to multi-module Maven project•Integrated with network security devices using Java, Perl, XML, and network security vendor APIs•Enhanced capabilities of FireMon's firewall policy analysis engine to support user and application-aware firewalls•Performed code profiling and optimization using Java VisualVM

•Architecture, high level design, implementation•Technical leadership and mentoring•Java Portal (JSR 168) : Liferay, Jetspeed•Java Server Faces (JSF) : MyFaces, ICEfaces•Business Process Management (BPM) / Workflow : JBPM•Enterprise Content Management (ECM) : Alfresco•Service-Oriented Architecture (SOA) and Enterprise Service Bus (ESB) : Mule•Web Services : SOAP, JAX-WS, CXF•Persistence : JPA, Hibernate•Security/Authentication : Spring Security, JAAS, LDAP •Build: Maven, Ant, Hudson•Testing: JUnit •Application Servers: Tomcat, GlassFishOther TechnologiesCVS, Subversion (SVN), Spring Core, XML, HTML, CSS, AJAX, Struts, Tiles, JSP, JavaScript, jQuery, Velocity, GWT

•Module design and implementation•Refactoring and code quality improvements•Provide production support of data processing systems•Java batch programming•Tapestry•Enterprise Java Beans (EJB)

•Feature design and implementation•E-commerce integration•Java Servlet•PHP•XHTML web development

•Distributed simulations network communications layer•U.S. Army HLA/RTI•Java / C++•PHP web development