Joel Shellman Email & Phone Number

Camas, Wa, Us

Brooklyn, New York, Us

Designed and implemented machine learning streaming label/train/infer systemDesigned and implemented document summarizer with vector search backend and chrome extensionImplemented build and deploy processes and tool plugins to accelerate video production in a secure environmentTechnologies: Python, Rust, burn.dev, Julia, fluxml.ai, RedPanda (Kafka), GitLab CI/CD, Docker Swarm, Kubernetes, Terraform, MyScale, SQL, TypeScript, SolidJS, Llama.cpp

Austin, Texas, Us

Analyzed error correlations with Scala Spark on 100 billion+ events to find hidden poor user experiencesImproved production observability and incident remediation time by working with 20+ teams to implement and leverage distributed tracingImproved developer velocity and reduced delivery lead time by enabling and assisting the adoption of push on green across 10+ teamsImproved performance and reliability of 60+ projects by integrating new authentication serviceRearchitected system to simplify service count and remove redundant database reducing latency and maintenance while increasing reliabilityLed team in developing systems and APIs to optimize integration of external systemTechnologies: Java, Spring Boot, Kotlin, Scala, Spark, Hadoop, Python, SQL, MySQL, PostgreSQL, RabbitMQ, React, TypeScript, Node, GraphQL, DataDog APM/RUM, GitLab CI/CD, Gradle, Jenkins, Docker, Kubernetes, Terraform, AWS SQS

Stamford, Ct, Us

Enhanced and maintained PCI-compliant bill payment web application for 10+ million customersWrote complex Splunk queries for data analysis, troubleshooting, and monitoringTechnologies: Grails, Groovy, Scala, Lift, PostgreSQL, Splunk, Git, Docker, Kubernetes, Linux

Alpharetta, Ga, Us

Conceived, implemented and received patent for a data mapping inference algorithm which saved users hours of work per transform thus drastically reducing switching costsDeveloped in-memory data mapping runtime 1000%+ more performant than existingCo-led team of 7+ engineers developing data transformation product used by Fortune 500 clientsTechnologies: Java, Swing, SWT, Servlets, JSP, XSLT, XStream, AspectJ, JAXB, Maven, Svn, Linux

Developed ntp synchronization tool in Python for one-way security appliance for Department of DefenseOptimized data models and improved performance of Oracle SQL queries by over 1000%Technologies: Python, Java, J2EE, EJB, Spring, Acegi, Hibernate, Tomcat, Weblogic, JavaScript, XHTML, CSS, Oracle, MySQL, Linux

Fairfax, Virginia, Us

Worked on SOA enterprise integration system with file, messaging, and SOAP interfacesWrote several white papers regarding open source softwareDeveloped document management system with Subversion and LuceneDeveloped ETL for data warehouse with Business ObjectsTechnologies: Java, JSP/Servlets, Websphere, Websphere MQ, Kodo JDO, EJB, Lucene

Developed best practices and led + mentored team of 6 with Extreme Programming methodologyDesigned, implemented, and delivered AJAX/SPA-style web application replacing legacy green screenTechnologies: Java, JSP/Servlets, JavaScript, DHTML, JDBC, SQL, XML, SOAP/WSDL

Ran business, marketing, development and managed remote sub-contractors providing web development services to multiple clientsTechnologies: Java, J2EE, JSP/Servlets, JDBC, SQL, JNDI, JMX, JAAS, XML, Struts, JBoss, Jetty, Tomcat, PostgreSQL, Ozone, HTML, Perl, Linux

As the first non-founder hire, led startup team of 5+ engineers in development of marketplace websiteReengineered codebase migrating to J2EE and oracle to achieve horizontal scale out from single server to clusterTechnologies: Java, J2EE, JSP/Servlets, EJB, JDBC, SQL, XML, XMLC, Orion Application Server (clustered), Oracle, HTML, Perl, Linux