Fairfield, Connecticut
jim@jimmenard.com
Experience
As a Staff Software Engineer on the Fandom team, acted as a technical advisor and mentor, solved technical problems, improved subsystem responsiveness and capacity, and guided or led projects that improved code quality and maintainability. Responsible for cross-team technical coordination and system design. Contributed to several codebases in six different languages. Optimized hotspots and increasing system responsiveness and capacity via SQL query rewrites (one became 22,700% faster!), caching, and code reorganization. Wrote internal technical proposals and documentation. Interviewed candidates.
As lead of the back end API team, responsible for enhancing the API and business logic behind the Display Social networking app and later the Infinite Reality multi-tenant metaverse platform. Improved performance (e.g., bringing some operations from over 30 seconds to sub-second, reducing caching size requirements by 80%, creating usage-limiting logic). Improved search results. Led technical discussions and wrote architecture design docs, including design of multi-tenant metaverse back end models. Led the team in API standardization and documentation work, tech debt payment, and major platform version upgrades. Created tickets and assigned work to team members. Led team meetings and alert triage reviews. Interviewed candidates.
As the Retail and Vision Services team’s Principal Engineer, responsible for inter- and intra-team technical design review and decisions, code quality and maintainability, technical mentorship, and developer onboarding. Organized team architecture and technical discussions and gave multiple talks on various technologies. Lead team in increasing test coverage, PR review process improvements, and increased monitoring. Lead consulting team in implementation of card present tap-to-pay for retail locations. As a member of the Architecture Council, lead creation of API framework design practices and discussed technology organization-wide practices and policies. Earlier as an SRE Principal Engineer, rewrote retail print queue management services and installation scripts and implemented an AWS EC2 image management process.
Work with the technology team to improve platform quality, reliability, scalability, and responsiveness. Lead the e-commerce platform’s financial and operations systems team including inventory, order taking, promotion application, shipping and tax calculation, payment, shipping fulfillment, and commission calculation and payment. Work closely with Product, Operations, and QA to set priorities and milestones. As part of ongoing work to improve site reliability and scalability, found bottlenecks, improved performance of code and database queries, and upgraded tech platform. The team implemented international shipping, automated merchandiser payment, collect-on-ship, and more.
- Added multiple warehouse support and configurable shipment pricing and carrier override
- Made audit logging asynchronous, improving response times 14%
- Integrated with forum/publishing platform
- Managed on-call schedules and performed regular issue review with QA
- Documented major subsystems
- Restarted tech blog and wrote articles
- Organized and gave internal technical talks
- Gave code reviews and mentored all tech team members
- Assessed potential vendors and acquisitions
- Screened and interviewed candidates
Led and grew a team of developers focused on rapid prototyping and development of new applications that brought evidence-based decision making, innovation, and analytics (big data) to multiple business lines.
Led, grew, and improved the technology platform and processes at a company that dynamically recommends and serves four billion related article links and ad impressions a month across over 100,000 sites. Created development life cycle, project management, and QA processes for software development and operations teams. Removed operational single points of failure. Improved system uptime, reliability, and fault tolerance. Led R&D and architectural redesign and replacement of core systems with more appropriate, scalable technologies. Led data center and server infrastructure redesign and migration.
Senior member of development team. Prototyped and implemented new systems and researched technologies. Created CMS and implemented e-commerce financial systems.
Provided technical guidance, R&D, support, and mentorship for ideeli’s core technology platform and the team. Technical lead for multiple projects including development of A/B testing framework and replacement of credit card vendor. Created prototype rules engine implementation of personalization engine. Acted as mentor for developers by teaching courses and reviewing code.
Led and managed team responsible for building technology platform for taxonomy-based modeling of student knowledge and customized study recommendation, using business rules engine, custom code, and AI-based algorithms. Designed and deployed beta version of software; subsequently built and led team delivering scalable technology platform that will serve as basis for future Kaplan products. Acted as liaison with business users and subject matter experts, managing frequently-changing requirements and product goals. Oversaw selection of rules engine vendor and design of technology platform. Managed internal, vendor, and consultant deliverables.
Completely redesigned, rebuilt, and deployed the back end and content management of the Web site of a well-know Nickelodeon kid’s TV show along with its content management and user-generated content workflow systems. The site has over 4 million registered users, serves over 270 terabytes of data monthly, and is available in 18 languages. Responsible for choosing the technology and designing, implementing, and delivering the software. The site runs on Amazon’s EC2 and uses Ruby on Rails.
Implemented Ruby language and framework support for the 10gen cloud computing platform using JRuby, Java, and server-side JavaScript. Created database and runtime environment adapters in Java and Ruby to allow Ruby on Rails and other Ruby frameworks to use the Babble app server and Mongo schema-free distributed database. Implemented the ability for Ruby code to call and be called by code in other languages. Developed a Ruby Mongo Object/Relational Mapper (ORM) framework, an ActiveRecord Mongo adapter, CGI session and logging database storage, a grid file storage wrapper, and more. Wrote a pure-Ruby Mongo driver and Ruby and Clojure examples for a Java driver. Enhanced Babble app server and JavaScript libraries. Wrote extensive unit tests. Presented talks at conferences and user groups.
Publications and Presentations
"Ruby in the Clouds", presented at RubyConf 2008.
"Ruby on Rails - An Introduction", online, presented to NY CTO Club, July 2006.
"Building Applications With Berkeley DB Java Edition", Java Developer’s Journal, September 2004.
"Unit Testing With OCUnit", O’Reilly’s MacDevCenter.com, April 2004.
"Alternate Data Storage Technologies", online, presented to NY CTO Club, April 2004.
"Introduction to Ruby for Mac OS X", MacTech, March 2003 cover article.
"Ruby, an Introduction", online, presented to NY CTO Club, July 2001.
Technical Skills
Languages Ruby, Python, Bash, Go, Elixir,
JavaScript/TypeScript, C/C++, Java, PHP, Common Lisp, Smalltalk,
Objective-C, Perl, Assembly
Acquainted with: Clojure, Crystal, Erlang, Scala, Haskell, Fortran
Operating Systems Unix (Linux, BSD, Solaris, etc.), Mac OS X, MacOS, Nextstep, BeOS, DOS, Windows, VMS
Databases MySQL, PostgreSQL, SQLite, Oracle, MongoDB, Sybase, Informix
Frameworks and Tools Ruby on Rails, Sinatra, Flask, JRuby, J2EE, Spring, Hibernate, Tapestry, JSP, JDBC, Ant, Maven, JUnit/XUnit, RMI, CORBA, (X)HTML, CSS, AJAX, XML, XML-RPC, SOAP, WSDL, Apache, Tomcat, WebLogic, LaTeX, more
Education
University of Rochester, Bachelor of Arts - May, 1983
Major: Mathematics, with a concentration in Computer Science
Professional Organizations
New York CTO Club
Independent Projects
KeyMaster Real-time MIDI performance software
midilib Pure-Ruby MIDI file and event manipulation library
DataVision Cross-platform graphical database reporting tool
NQXML XML parser written in Ruby
Rice Information and Content Exchange (ICE) protocol reference implementation in Ruby
TwICE ICE protocol reference implementation in Java
Bangkok Ruby chess game replayer with music generation capability
Squeak (Smalltalk) PostgreSQL interface