Jonnie Lappen

Frontend Engineer

Phoenix, Arizona, United States18 yrs 2 mos experience
Highly Stable

Key Highlights

  • Expert in building scalable frontend systems.
  • Proven track record in software engineering and design systems.
  • Strong background in data analysis and reporting.
Stackforce AI infers this person is a Frontend-focused Software Engineer with strong capabilities in E-commerce and Data Analysis.

Contact

LinkedIn

Skills

Core Skills

Frontend DevelopmentSoftware EngineeringFull Stack DevelopmentData AnalysisMedia Management

Other Skills

Design systemsNPM packageReactTypescriptCSSDocumentationBug reportsCode reviewsDeveloper operationsCI/CDStatic analysisGraphQLNodeScalaRedux

Experience

18 yrs 2 mos
Total Experience
3 yrs
Average Tenure
2 yrs 11 mos
Current Experience

Cloudflare

Senior Frontend Developer

Jul 2023 – Present · 2 yrs 11 mos

  • Design systems
Design systemsFrontend Development

Petsmart

Senior Software Engineer

Jul 2019 – Jul 2023 · 4 yrs · Phoenix, Arizona Area

  • Championing, building and maintaining PetSmart's first shared NPM package, the Sparky design system: https://www.npmjs.com/package/@petsmart-ui/sparky
  • Workshops on using and contributing to the design system across all layers of the organization: engineers and architects, designers, project management and business partners.
  • Writing documentation.
  • Supporting 5+ front-end development teams and contractors by organizing bug reports and feedback, code reviews and front-end development.
  • React/Typescript/CSS fixes in Sparky. Build tool configuration and testing in hosting product team applications.
  • Partnerships with the UX team and quality control of our design assets: svg icons, design tokens, fonts.
  • Developer operations: ci/cd, static analysis with linting and build steps, testing and publishing Sparky to NPM
  • Serving millions of pet parents on web and mobile at petsmart.com and tens of thousands of PetSmart associates
NPM packageReactTypescriptCSSDocumentationBug reports+6

Demark analytics llc

Full Stack Developer

May 2014 – Jan 2019 · 4 yrs 8 mos · Scottsdale, Arizona

  • Development of a financial charting and analytics platform
  • Experience with many tools: GraphQL, Node, Scala, React/Redux, Docker, Bash...
  • Automated reports with R and LaTeX
GraphQLNodeScalaReactReduxDocker+4

Aquifer capital, llc

Quantitative Analyst

May 2012 – Apr 2014 · 1 yr 11 mos · Phoenix, Arizona Area

  • Backtesting trading systems and portfolio analytics
  • Data aggregation and management
  • Data-driven reporting
  • Tools: R, Python, LaTeX and plenty of Excel
RPythonLaTeXExcelData Analysis

Maricopa integrated health system

Strategic Development Intern

May 2008 – May 2009 · 1 yr · Phoenix, Arizona Area

  • Grant writing
  • Data analysis and reporting
  • Database management (SQL)
Grant writingData analysisDatabase managementData Analysis

National center for policy analysis

Media Manager and Writing Consultant

Aug 2007 – Apr 2012 · 4 yrs 8 mos · Phoenix, Arizona Area

  • Speech writing for Dr. Barry Asmus
  • Content management (video, social media, maps, graphs, etc.)
Speech writingContent managementMedia Management

Brophy college preparatory

Debate Coach

Aug 2007 – May 2009 · 1 yr 9 mos

Education

University of Washington

Certificate — Computational Finance

Jan 2013 – Jan 2017

Arizona State University

Bachelor's Degree — Geographic Information Science and Cartography

Jan 2007 – Jan 2012

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