RobertMesserle

Full-Stack Software Engineer

Website:
https://www.robertmesserle.com
GitHub:
https://github.com/robertmesserle
CodePen:
https://codepen.io/robertmesserle

Profile

Frontend engineer with 15+ years of experience building complex, interactive user interfaces. Passionate about scalable frontend architectures, best practices, and mentoring teams. Proven track record at Google, Meta, and Reddit, with expertise in React and TypeScript.

Skills

  • React
  • TypeScript
  • Next.js
  • React Query
  • Zustand
  • Jotai
  • Angular
  • Vue
  • Node.js
  • Redux
  • Objective-C
  • Swift
  • HTML
  • CSS
  • Figma
  • GraphQL
  • MongoDB
  • MySQL
  • WebRTC
  • Three.js

Experience

ClassDojo

Software Engineer
Oct 2022 - Present

  • Led frontend efforts for the tutoring platform, establishing coding standards and best practices for the team
  • Developed a custom type-safe feature flag and experimentation library to simplify experiment management
  • Designed and implemented a custom type system linking UI requests with API types, ensuring end-to-end type safety

StreamYard

Sr. Staff Engineer
Sep 2021 - Sep 2022

  • Developed full-stack features using React, Redux, Node.js, and Hapi
  • Built a sophisticated drag & drop interface to customize streaming layouts with resize, rotate, and grid-snapping capabilities
  • Implemented background uploads with IndexedDB and Service Worker API

Facebook / Meta

Sr. UI Engineer
Feb 2021 - Sep 2021

  • Developed copyright detection feature for live streams in the iOS app using Objective-C
  • Established performance monitoring infrastructure and delivered measurable performance improvements

Reddit

Staff Software Engineer
Oct 2019 - Jan 2021

  • Led frontend efforts for the advertising platform, driving technical decisions and team direction
  • Co-developed the design system and component library used company-wide, improving code quality, design consistency, and developer velocity across teams

Facebook / Meta

Sr. UI Engineer
May 2018 - Sep 2019

  • Designed and developed reusable React components using Relay and Flow, adopted across multiple teams
  • Championed React Hooks adoption across the organization by writing documentation, creating custom ESLint rules, and leading workshops that improved coding practices
  • Promoted frontend testing culture by writing comprehensive documentation and conducting workshops on Enzyme and Jest, increasing test coverage across teams

SportRadar

Software Engineer
Aug 2017 - May 2018

(Freelance)
  • Developed real-time 3D animations from live game data with Three.js and React
  • Created multiple data visualization proof-of-concepts to explore new product directions
  • Collaborated with backend engineers to implement server-side rendering pipeline, converting JavaScript animations to image and video formats for social sharing

Caretech Group

Frontend Engineer
Feb 2017 - May 2018

(Freelance)
  • Architected and built a new e-commerce platform from the ground up as the sole frontend engineer, using React, Redux, and TypeScript
  • Developed custom data visualization components for real-time financial data display
  • Wrote a custom state-management system to replace Redux with a simpler API and better TypeScript support

Close.io

Software Engineer
Aug 2016 - Feb 2017

  • Modernized the build system and migrated from Backbone to React with Webpack and Babel/ES6
  • Built a browser-based voicemail recording feature using WebRTC
  • Developed new UI features with Backbone and React

Google

Software Engineer
Oct 2014 - Aug 2016

  • Built core components for Angular Material supporting both AngularJS and Angular 2+
  • Automated the release pipeline for Angular Material, improving release consistency
  • Co-designed the animation API for Angular 2+, enabling declarative animations across the framework
  • Spoke at AngularConnect and other conferences and meetups about animations and Angular Material

LinkedIn

Sr. Software Engineer
Nov 2013 - Oct 2014

  • Developed rapid prototypes for new product features with DustJS, Play Framework, jQuery, and Sass
  • Mentored team members on JavaScript, DustJS, HTML, and Sass/CSS best practices

Cignium

Team Lead UI Dev
May 2012 - Nov 2013

  • Architected and built a custom frontend MVC framework with CoffeeScript, KnockoutJS, and Durandal
  • Developed a large-scale single-page data-management application from the ground up
  • Led the frontend team, established architectural patterns and structure for the application, and mentored developers

R/GA

Sr. Web Developer
Jan 2011 - Jan 2012

  • Independently developed a highly configurable custom line graph library with animations, 3D effects, and advanced styling, deployed across multiple Nike websites
  • Integrated Google Maps API with custom line graph visualization to create an animated replay of user runs from GPS data

Yahoo

Research Engineer
Jun 2010 - Jan 2011

  • Developed Shambling Hordes, a Flash-based game using Flex 4, ActionScript, and PHP
  • Created a complex data visualization to show link dispersion patterns for Yahoo's URL shortener service
  • Built multiple interactive in-browser games and experimental prototypes using PHP, ActionScript, JavaScript, YUI, HTML, and CSS

R/GA

Web Developer
Jun 2008 - Jan 2010

  • Developed user-facing features for Nike+ platform using jQuery, JavaScript, HTML, CSS, and Freemarker
  • Refactored Clearspace templating system to leverage existing Nike configuration files

Education

Pennsylvania College of Technology, Williamsport, PA — B.S., Information Technology: Web Development, 2007