david marshall selfie

Web Developer and Designer

Front-end web developer with 15+ years building accessible, responsive websites and applications. I combine technical expertise with visual design sensitivity and strong communication skills to deliver solutions that work for users and stakeholders alike.

What I do

Front-End Development

  • Responsive design across all devices and browsers
  • Component-based architecture and design systems
  • Performance optimization and scalability

Technical Skills

HTML5, CSS3, SCSS/SASS, JavaScript, TypeScript, Git, Bootstrap, Angular, Node.js, PHP, WordPress, Figma, Agile/JIRA

UX/UI Design

  • UX/UI Design
  • Brand systems and visual identity
  • Wireframing and prototyping
  • Cross-functional collaboration

Experience

Connecticut Digital Service (CTDS)

Senior UX/UI Front-End Developer and Designer

2021-2025 Designed and developed accessible government websites serving millions of Connecticut residents. Built custom Sitecore CMS components, created design system standards, and collaborated with agencies through Agile workflows. Key projects: Sitecore Center, EdSight, Connecticut State Library.

CVS Innovation Lab

Senior Front-End Web Developer

2019-2020 Developed and maintained web applications for healthcare services with emphasis on accessibility and responsive design. Built authentication modules for CVS Caremark and contributed to company-wide design system standards.

Duck Creek Technologies

Front-End Web Developer and Designer

2011-2018 Developed web applications for insurance software company through its transition from Agencyport Software to Duck Creek Technologies. Built responsive applications serving desktop, mobile, and cloud platforms. Created and maintained CSS framework and component library. Designed custom themes for product development, pre-sales demonstrations, and client implementations.

Selected Projects

Independent work for publishers, nonprofits, and enterprise clients.

screenshot of Inky Stories website

Inky Stories

Complete site redesign and rebuild, 2020 Responsive, accessible overhaul of web comics site. Rebuilt from WordPress to static site architecture with mobile-first design. Improved performance, eliminated security vulnerabilities, and modernized user experience.

  • HTML5/CSS3, SCSS, JavaScript, Bootstrap, Node.js, Grunt, Git
screenshot of E.J. Barnes website

E.J. Barnes, Illustrator

Accessibility and responsive enhancements, 2019 Rebuilt visual artist portfolio with accessibility improvements and responsive architecture while preserving original design aesthetic. Updated media optimization and third-party libraries.

  • HTML5/CSS3, SCSS, JavaScript, Bootstrap

Earlier Work

Early web development projects from a simpler era of table layouts and browser compatibility challenges. These sites reflect the standards and practices of mid-2000s web design.

screenshot of Merril Lynch website
Merril Lynch Web Designer and Developer, 2000-2003 Design and front-end development for investment firm's digital properties. Championed browser compatibility standards and led editorial consistency initiatives across multiple teams.
screenshot of LTSave website
LTSave Web Designer and Developer, 2003-2006 Design and development for investment startup. Updated platform architecture, created new content sections, and produced marketing materials for print and digital.
screenshot from my work for Carbonite
Carbonite Web Designer and Developer, 2008 Designed and built marketing pages, PPC landing pages, HTML emails, and banner ads for online security firm. Collaborated with content and creative directors on brand standards.

Archive

Early websites from the desktop-only era. These sites reflect the constraints of their time—unresponsive grids, system fonts, limited CSS, and IE6 compatibility requirements—but they showcase a user-first design philosophy that still guides my work today.

screenshot of the Commerce High School class of 1980 20th reunion website

Commerce High School Reunion

screenshot of Cambridge Comix Festival website

Cambridge Comix Festival

screenshot of WBZ Head for Home website

WBZ Head for Home

screenshot of Eddie Marshall website

Eddie Marshall