Senior Frontend & Full-Stack Engineer

DAVID EDELHART

Senior Frontend / Full-Stack Engineer

Pacifica, CA 415-***-**** ****@**************.*** U.S. Citizen https://www.linkedin.com/in/daveedelhart/ https://github.com/bingomanatee http://wonderlandlabs.com https://www.npmjs.com/search?q=%40wonderlandlabs SKILLS & EXPERTISE

Frontend: React, TypeScript, JavaScript (ES6+), Next.js, React Native, Expo, Angular, AngularJS, RxJS, Redux, Redux Toolkit, Chakra UI, MUI, Styled Components, HTML5, CSS3, SASS Backend & APIs: Node.js, GraphQL, Ruby on Rails, PHP, Hack, SQL, REST APIs Cloud & Tooling: AWS, Vercel, Webpack, Rollup, Parcel, Linux, Git, Electron Data, Testing & Design: Postgres, MongoDB, MySQL, Jest, Jasmine, Protractor, unit testing, Figma, Unity3D, Blender Experienced senior frontend engineer and technical lead with a focus on building maintainable state-management systems, well- factored application architecture, repeatable design systems, and responsive user interfaces. Skilled at translating requirements into reliable, reusable components, improving code quality, coverage, and development practices. Experienced in mentoring engineers, reviewing architecture and implementation decisions, and working across design, product, frontend, and backend teams to deliver complex applications. Track record in financial, medical, and publishing verticals. PROFESSIONAL EXPERIENCE

Frontend Contractor BrandSafway Nov 2024 - Apr 2025

• Developed a React interface for a scaffolding client using MUI and a customized MUI theme system.

• Expanded TypeScript coverage across interfaces and components, conducted code reviews, and mentored frontend developers. Technologies: React, TypeScript, MUI, GraphQL

Frontend Developer Finfare Oct 2023 - Sep 2024

• Built financial-management, white-label rewards, and investor-facing interfaces with React, React Native, Redux Toolkit, TypeScript, and Chakra UI.

• Developed the Forest state system and frontend unit tests; implemented responsive screens from Figma designs.

• Created React Native / Expo screens for an investor mobile application and mentored a junior engineer on code conventions. Technologies: React, React Native, Expo, TypeScript, Redux Toolkit, Chakra UI Frontend Contractor Stealth Fashion Startup Sep 2022 - May 2023

• Developed checkout features in React and Next.js using Salesforce product data.

• Migrated the application to Vercel and implemented ID.me integration for the checkout flow. Technologies: React, Next.js, GraphQL, Vercel

Senior Engineer Facebook Jul 2021 - Jul 2022

• Maintained and expanded a React-based advertising creation wizard while resolving privacy tickets, upgrades, and production issues.

• Ran product experiments focused on advertising performance and revenue optimization. Technologies: React, Flow, Hack, SQL

Senior Frontend Engineer McKesson Jun 2020 - Jul 2021

• Developed and maintained complex React, Redux, and Redux-Saga interfaces; debugged browser issues and added Jest coverage.

• Documented complex data models and workflows, reviewed junior engineers' work, and supervised development of a user- management engine.

Technologies: React, Redux, Redux-Saga, Immer, Jest, Webpack Senior Frontend Developer VoiceBase, Inc. Oct 2018 - Nov 2019

• Built client services for voice-data management, analytics, and transcription using React, RxJS, and Styled Components.

• Served as frontend release manager and developed and documented an Auth0-based login and signup system.

• Worked extensively on deep state management, deployment tooling, CSS/SCSS, and reusable UI components. Technologies: React, RxJS, Redux, Redux-Saga, Styled Components, Rollup, Webpack Senior Engineer SNEI / Sony PlayStation Aug 2016 - May 2018

• Maintained Skylight, an Angular/Rails AWS deployment stack integrated with AWS APIs and LDAP.

• Improved performance and reliability of AWS polling and reporting APIs and maintained recurring Sidekiq tasks for users, applications, instances, and launch workflows.

• Modernized frontend and middleware components, expanded test coverage, supported deployment troubleshooting, and trained the team on Angular and JavaScript.

Technologies: Angular, Ruby on Rails, AWS, Sidekiq David Edelhart 1

PROFESSIONAL EXPERIENCE (CONTINUED)

Frontend Developer / Contracts Multiple Clients Feb 2015 - Aug 2016

• Developed responsive full-stack features for The RealReal, Target.com, and Silicon Valley Bank.

• Introduced Webpack on a Target e-commerce project, coordinated API work across contractors, expanded automated testing, and trained junior staff.

Technologies: Angular, JavaScript, Ruby on Rails, Webpack, SASS, Jasmine, Protractor Senior Engineer / Technical Lead Leap Motion Sep 2013 - Jan 2015

• Led mission-critical demonstration projects and technical prototypes using Unity3D and Leap Motion's JavaScript platform.

• Contributed to Angular and Ruby on Rails applications for the warehouse/app-store platform and helped build an Electron version of the app store.

• Developed interactive prototypes using Oculus Rift and Unity UI systems. Technologies: Unity3D, C#, JavaScript, AngularJS, Ruby on Rails, Electron, Blender, HTML, CSS EARLIER EXPERIENCE

• Sep 2012 - Jul 2013 - Frontend Developer, Personal Capital: Built AngularJS and Backbone interfaces, data grids, charts, and forms for financial analysis and investment projections. Technologies: AngularJS, Backbone.js, Node.js, SVG, Raphael.js.

• Apr 2011 - Apr 2012 - Engineer, Telmate: Worked across Ruby on Rails and client-side tools; served as buildmaster and created an audio-channel visualization tool. Technologies: Ruby on Rails, JavaScript, HTML, CSS, Flex.

• Jul 2008 - Jan 2010 - Full-Stack Engineering Lead, Clean Power Finance: Led development of solar-financing calculators, checkout and billing systems, proposal-generation tools, and new product support; managed engineers and interns. Technologies: PHP, Zend Framework, JavaScript, HTML, CSS.

• 2008 - Web Developer, Live Nation: Supported ticketing-platform data migration and MySQL-to-XML transformation. Technologies: PHP, XML, MySQL.

• Sep 2004 - May 2007 - Marketing Services Architect, Varian, Inc.: Led internal web applications and a development/admin team supporting scientific sales, product data, and marketing content. Technologies: MySQL, PHP, Zend Framework, jQuery, VB Apps.

• 2000 - 2001 - Developer, CurrenEx: Developed JavaScript user interfaces for online foreign-exchange systems.

• 1998 - 1999 - Designer, GameSpot: Produced editorial design, automation tools, and publishing workflows for game reviews and walkthroughs. Technologies: HTML, CSS, JavaScript, Adobe design tools. EDUCATION

University of Oregon / Portland Community College - Three years of study; no degree

• Coursework included early graphics programming systems, desktop publishing, design, and creative, technical, and journalistic writing.

• Principal designer for the Portland Community College newspaper.

• Certificate in Technical Writing, Portland Community College (unaccredited). David Edelhart 2

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