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Ariel Pettyjohn/Software Engineer

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Ariel Pettyjohn
  • 13 years as a Software Engineer leveraging cloud-native services and open-source technology stacks to implement software systems
  • 3 years directly managing junior engineers and cross-functional relationships between internal and external clients
  • Led development of key platforms that collectively serve > 15M monthly users for brands including Eurofins Genomics, Firestone, General Electric, Home Depot, and Pillsbury
  • In business 13 years as an entrepreneur and freelance engineer, managing connections with subcontractors and vendors

Experience

Freelance Solutions Architect

Web Architecture Solutions, 2011Present
  • Computational Biology Research Lab at Indiana University
    • Built models to compare behavior of Gaussian vs. uniform noise in high-dimensional space
    • Mined PubMed data in order to augment then limited API
    • Implemented algorithm to rank academic departments by relevant citation count
  • Eurofins Genomics
    • Delivered microsite to unveil oligonucleotide synthesis technology, driving 35% more traffic to primary site on launch
    • Performed comprehensive content and SEO audits across portfolio of sites, reducing content development time by 10% and lifting placement in organic search results
    • Conducted performance audit for genomics website, reducing page load times by 20%
  • Four Roses Bourbon
    • Developed proposal to demonstrate possible opportunities and use-cases of user-generated content
  • Galen College of Nursing
    • Engineered custom intranet using Joomla and LDAP to automatically generate user groups and synchronize authenticated users between Active Directory and CMS
  • General Electric
    • Developed strategic partner microsites for Home Depot and Pillsbury
    • Generated quality assurance reports on broken links, 404s, and unused resources
    • Oversaw and debugged soft launch of responsive GE Appliances website
  • Green2Sustainable
    • Debugged migration from Apache and Django to Node.js and Backbone.js
    • Implemented improved user profile features
  • Internet Ontology Project at Indiana University
    • Performed AI/ML research
    • Migrated relational MySQL database to RDF triplestore
    • Developed ISO-compliant MySQL datetime schema
    • Built web application to dynamically compare ontology terms
    • Upgraded and maintained NLP models
    • Implemented algorithm to search by ontological criteria
    • Published cited technical presentation
  • The Salvation Army
    • Scripted animations and events for holiday-themed fundraising portal, boosting donations by 15% that season
  • Waste Management
    • Maintained CRM system for corporate segment of over 20 million customers

Senior Web Application Developer

1stMILE, 20192021
  • Led front-end engineering and testing of financial products used in 1,700 stores nationwide
  • Interviewed, trained, and mentored a diverse software engineering team, and advocated for an organizational commitment to career development
  • Integrated analytics to track customer journey across suite of 5 applications, and aggregated data into summary reports for white label partners
  • Spearheaded development of internal best practices, wrote documentation, and created training modules, reducing training time for junior engineers by 50%
  • Collaborated with groups of designers, product developers, and data architects to anticipate front-end API needs
  • Coordinated with executives to coordinate integration of credit applications and onboard 4 key strategic partners
  • Re-architected credit application integrations, improving developer productivity by 4x
  • Implemented a consistent component architecture, reducing cross-application code duplication by 20%
  • Refactored flagship web application, eliminating 50% of unnecessary code
  • Abstracted Bash automation scripts to simplify deployment workflow, saving 10+ hours of development time per week

Senior Web Developer

DBS Interactive, 20142015
  • Directed front-end development of websites and CMS integration for clients including Hensley Manufacturing, Stonestreet Farms, and The Voice-Tribune newspaper
  • Crafted infographics for brands including Maker's Mark and The Kentucky Derby, increasing traffic to their respective primary domains by 70% on launch
  • Managed Big Ass Fans' ecommerce migration to Magento, reducing storefront load times by 10%
  • Engineered first ecommerce storefront for Holiday World theme park
  • Wrote custom PHP script to inline CSS for Big Ass Fans and Humana eblasts, increasing turnaround 5x
  • Launched Holiday World microsite to unveil first launched wing roller coaster in U.S.

Education

Economics

University of Louisville, 20152016
  • Completed 1 year as Economics major
  • Maintained 3.8 GPA
  • Academic writing featured as example in course syllabus

Computer Science and Mathematics

Indiana University Bloomington, 20082010
  • Completed 2 years as Computer Science and Mathematics dual major
  • Inaugural Director Informatics Student Association
  • Undergraduate Instructor Introduction to Informatics
  • Gibbs Scholarship (2008 – 2010)
  • Undergraduate Research Scholarship (2010)
  • Alpha Lambda Delta
  • Phi Eta Sigma
  • National Society of Collegiate Scholars
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