Estelle Weyl


  • Harvard University, M.S., Health and Social Behavior, Student Award of Recognition
  • Washington University,- B.A., Psychology, Student Body Vice President
  • Foothill College, – A.S., Computer Science, GPA: 4.0

Summary of Qualifications

  • Open web evangelist. UI engineer & prototyper. Hand-coded JS afficionado. CSS wiz. Accessibility advocate. W3C Specification interpreter. Standardista in name and code. Cat (and Engineer) herder. Extrovert.
  • Technical author, editor, speaker, writer, blogger, and trainer.
  • Over 100 workshops, presentations and keynotes in over 15 countries on HTML5, CSS3, JavaScript, accessibility, mobile development, performance and creating inclusive work environments.
  • Authored, co-authored and contributed to 10 books, translated into 13 spoken languages.
  • Web Developer with an emphasis on developing optimized, performant, usable, accessible, cross browser compatible, and mobile friendly sites and applications.
  • Lead UI engineer responsible for creating information architecture, screen designs, UI specifications and pattern libraries, managing and mentoring other front end developers.
  • Design and maintenance of e-commerce, small business and non-profit web sites, including graphic design, user experience design, logo development and business development.
  • Project management, curriculum development, training and technical support.
  • Mobile and RWD Development expert. Creator of the Clown car technique solution for responsive images, accessible input masking, and merry-go-round, the accessible carousel.
  • Front end lead for several sites receiving 1M+ visitors/month.
  • Expert level CSS, HTML, JavaScript, mobile development and accessibility skills
  • Experience developing sites and applications with most mid-tier programming languages.
  • Excellent communication and interpersonal skills. Excellent relations with staff, clients and outside vendors.
  • Construction, including hardwood floors, dry wall, painting, retaining walls, and plumbing. I don’t do electrical.
  • Native English, French, JavaScript, CSS and HTML. Fluent Spanish. Some Hebrew.

Project Management

  • Project Oversight: (6 years) development and management of proposals, contracts and budgets, contract compliance, project evaluations and report writing, including annual reports.
  • Marketing and public relations: (5 years) including development and production of brochures, web site marketing, interfacing with community members and elected officials.
  • Supervisory experience: (5 years) recruitment, hiring, training, supervision, retention, progress reports and corrective counseling for on-site and off-site staff. Subcontractor management.
  • HR Administration: (5 years) benefits including health, dental, vision plans, retirement, COBRA, FMLA and disability. Exit interviews.
  • Conference Organizing: (6 years) Recruitment of speakers, attendees, and sponsors. CFP writing and reviews. Speaker mentorship. Currently organizing, SFWebPerf Meetup and Seattle Performance Group

Employment History

#PerfMatters Conference Manager of everything, 2017-current
Organizer of all aspects of #PerfMatters Conference, an international community web performance conference focused on diversity, inclusion, and kindness.

Mozilla Sr. Technical Writer, Community Organizer, 2018-2020
Technical writer for Mozilla Developer Network. Organizer of Hack on MDN events, where we teamed up with conferences for a day of MDN contributing by speakers and attendees, and follow up to build continued contributions.

Instart Logic, Sr. Manager Developer Evangelism, Staff Engineer, 2016 – 2018
Lead developer evangelism efforts at Instart Logic, a security and performance platform. Technical speaking and writing, SpeedPerception study, organize SFWebPerf group

Visa, Inc. Sr. Staff Software Engineer, 2015 – 2016
Web components team. Staff mentorship, training. Conference presenter. JavaScript, CSS, HTML, accessibility, performance and web standards.

Standardista, Principal UI Engineer, Open Web Evangelist, Community manager, etc. 2000 – Current
Technical author, editor, speaker, writer, blogger, and trainer. Design, code, maintain, integrate CSS, HTML5 and JavaScript with a focus on performance and  accessibility, business development. Organizer of technical conferences and meet ups.

  • Selected Clients and Partners Agencies
    • Frontend Masters 2012-current, Trainings and advanced CSS3 training video courses
    • Gitpod, 2021-current. Front end dev using svelte. Pattern library.
    • Williams Sonoma 2020-2021, Architect presentation layer with 6 brands (Pottery Barn, West Elm, etc) using one single code base. Set up/build design system. Vue, sass, HTML5, JavaScript, StoryBook and Git.
    • SurveyMonkey: 2011 – 2015: Desktop web applications, pattern library, technical writing. HTML, CSS, JavaScript, Jira, Git.
    • Samsung: 2011- 2013: Prototyping Phone and Television apps
    • Apple / UniversalMind: 2010 – 2011: HTML5, CSS3 and JS for iAds
    • TopSpin: 2008-2011: Marketing platform for musicians. CSS, JavaScript, XHTML, RoR, SVN, Unix
    • Create & Associates: 2002 – 2013: Web Developer Contractor for graphic design firm. SEO, JavaScript, WordPress, CSS, CSS3, HTML5
    • GoldSpotMedia: 2011 – 2012: CSS3, JS and HTML5 for mobile web adss
    • LiveGamer: 2009 – 2011: CSS3, HTML and JS for payment
    • WebMocha: 2008-2009: Contract web development, including Shopiks
    • CommunityMX: 2008 – 2011: Technical writing. Web development curricula, tutorials and articles.
    • Colorful Expressions: 2005 – 2008 CSS, JavaScript, SEO and XHTML, including IDEO intranet and
    • oFoto / KodakGallery: 2004; Conversion of photo site to table-less layout, JavaScript, CSS, HTML, CVS. Integration with Java backend.
    • Lucille Design: 2001-2004: SEO, JavaScript, CSS, XHTML, accessibility.
  • Blog:
  • Speaking Engagements: See Conferences and Dates and presentations
  • Books:

Uptake Networks, Sr. Software Engineer, Employee, 2008 – 2010
CSS, HTML, JavaScript, Ruby, UX and SVN for travel website. Left for contract work.

Engage, Senior Web Developer/Product Development, 2008
CSS, Javascript, XHTML, WordPress, SVN, Maven, Unix for dating site. Integration with Java and python. (Company folded in 2008)

Yahoo! – Sr. Front End Engineer, 2005-2008
Lead Front End Engineer for Yahoo! Branding and Yahoo! Connected Life, including Yahoo Mobile, Yahoo! Go, Verizon Yahoo! DSL, Everything Yahoo!, Yahoo! Financial Calendar, and mobile partner web sites. Team Front End Engineer for Yahoo! Mail home page and Address Book. PHP, Internationalization, SEO, JavaScript, CVS.

Tiburcio Vasquez Health Center, Director, Teen Health Center, 1999-2000
Managed teen health center and health education programming

Social Advocates for Youth, Administrative Director, 1997-1999
Coordinated social service and educational programming.

Girls Incorporated of Lynn, Project Director, 1995-1997
Coordinated teen activities and health promotion efforts in the city of Lynn, MA