Apr 2018 – May 2022 · 4 yrs 1 mo · Los Gatos, CA

• Built JSON:API and GraphQL APIs in Ruby-on-Rails with PostgreSQL
• Developed innovative error handling and reporting approach for use within Ruby-on-Rails
• Contributed to the internal Metatron (https://medium.facilelogin.com/short-lived-certificates-netflix-fd5f3ae5bc9) Ruby gem
• Integrated Swagger codegen with Metatron: https://swagger.io/tools/swagger-codegen/
• Wrote gRPC interceptors in Ruby to standardize metrics reporting to Atlas (https://github.com/Netflix/atlas)
• Contributed to the Netflix spectator.rb library: https://github.com/Netflix/spectator-rb)
• Authored graphql_grpc (https://github.com/ateamlunchbox/graphql_grpc) Ruby gem
• Created a containerized Ruby-on-Rails system for translating gRPC services to GraphQL based on `graphql_grpc` Ruby gem

May 2011 – Apr 2018 · 6 yrs 11 mos · Fairfax, VA

• Designed, implemented, and successfully deployed a message-based, clustered data processing system through multiple revisions over several calendar years
• Authored custom Linux distro images for "Phoenix" DevOps installs
• Configured Linux High Availability: corosync, pacemaker, DRBD
• Developed core web applications with documented 3rd party APIs: Ruby on Rails with ZeroMQ
• Architected authentication and authorization for ssh & web apps: replicated OpenLDAP, PAM/sshd/httpd configuration, x509 client certificates
• Built internal x509 SSL certificate infrastructure
• Led backend development of a data warehousing and visualization application built on PostgreSQL/PostgREST
• Extensive knowledge and experience with HP DL-series servers, RAID controllers, and iLO (integrated Lights-Out) service processors--including scripting through various iLO APIs
• Scripted multi-node server farm operations using Ansible
• Responsibilities included 24-hour "on-call"

Apr 2010 – May 2011 · 1 yr 1 mo · Herndon, VA

• Led a team through the system integration and commercialization of a hosted SaaS app built on VMware VDI
• Built a continuous integration infrastructure for a Java+Flash SaaS application with Ant and Groovy
• Implemented a novel solution to a core network-routing feature of the system using iptables/pf and Ruby
• Built a Ruby on Rails-style development environment (Liquibase for migrations, DBUnit for fixtures) for J2EE
• Assembled an automated CMS system to integrate research reports from an internal team into the finished system
• Automated the creation of SSL certs for Active Directory LDAP(S), HTTPS, stunnel client and server

Aug 2003 – Apr 2010 · 6 yrs 8 mos

• Lead software engineer on a team delivering an integrated Linux-based hardware/software system
• − Introduced version control and automation (of builds and backups) to the development team
• − Mentored team members on software practices to improve system reliability and ensure successful deliveries
• − Integrated Java GIS mapping technologies into the system
• Led 9-month project deploying Microsoft Office SharePoint Server and Project Server at NATO’s SHAPE HQ (Belgium)
• Authored winning responses to two RFPs from the NATO CIS Services Agency
• Implemented a prototype high-performance WMS-based web mapping application
• Lead developer on a successfully accredited “data guard” implementation using the eXMeritus HardwareWall
• Designed and implemented J2EE SOAP web service interfaces to external sources for a distributed status system
• Led development of a collaborative Java web application through a number of successful development and delivery cycles
• Delivered “brown-bag” technical talks for other BITS employees on software testing methods and multi-tiered web architectures

Jul 2001 – Aug 2003 · 2 yrs 1 mo

• Led development of a PalmOS mobile survey application for the U.S. Secret Service
• Delivered a web-based mobile survey app (C#/.NET and PocketPC) to a major pharmaceutical company
• Interfaced PDAs with industry-standard (Rochford-Thompson) passport reading devices for U.S. Customs

Mar 2001 – Jun 2001 · 3 mos

• Worked with enterprise partners to create co-branded wireless data products (WAP, SMS, MS MIS)
• Coordinated internal Verizon groups to package airtime and device management services for PDAs

Dec 1999 – Mar 2001 · 1 yr 3 mos

• Assisted IBM, Tivoli, Lotus, Computer Associates, Sybase, and Sun with their mobile data strategies
• Spoke on the Palm / Tivoli partnership to European media and developers at Planet Tivoli 2000 in Madrid
• Delivered a talk on PalmOS device management at PalmSource 2000, Palm’s worldwide developer conference

Apr 1999 – Dec 1999 · 8 mos

• Created handheld applications and code libraries for PalmOS in the C programming language
• Subcontractor to IBM Global Services: New York State Division of Parole (NYDOP) Mobile Data Project
• − Synchronized PalmOS data with Lotus Notes back-end system using IBM Mobile Connect middleware
• − Conducted user training for PalmOS devices and NYDOP PalmOS application

Oct 1997 – Dec 1998 · 1 yr 2 mos