Diego De Souza
@diegodesouza1
Lead frontend developer specializing in accessible, component-driven interfaces.
What I'm looking for
I am a lead frontend developer with deep experience building accessible, component-based design systems and modern web applications using React, Angular, Vue, and related ecosystems. I have led frontend efforts, created Design Language Systems with style tokens, built Storybook documentation, produced proofs of concept, and mentored junior engineers across multi-vendor teams.
I have a strong background integrating frontend stacks with backend services (Java/Spring Boot, Ruby on Rails), migrating legacy applications to modern frameworks, and improving developer experience through tooling, linters, testing, and refactoring. I prioritize collaboration with UX/UI designers and architects to deliver inclusive, maintainable products that scale.
Experience
Work history, roles, and key accomplishments
Lead Frontend Developer
Vaco - CareSource
Mar 2024 - Nov 2024 (8 months)
Led frontend development of a fully accessible Design Language System (DLS) with design tokens and Storybook documentation, delivering a POC and improving component accessibility to WCAG standards.
Lead Frontend Developer
Vaco - Cleveland Cliffs
Oct 2023 - Jan 2024 (3 months)
Led a CRM modernization POC, mentored junior developers, improved code quality with linters/prettier and added regression tests while collaborating closely with UX and architects.
Senior Frontend Developer
Anthem
Dec 2017 - Oct 2023 (5 years 10 months)
Supported provider portal applications, delivered greenfield projects and migrations from Angular.js to React.js, mentored hires and improved test coverage across teams.
Frontend Developer
TEKsystems - Anthem (Elevance Health)
Jun 2017 - Dec 2017 (6 months)
Developed provider maintenance forms and features in Angular, improved UX with designers, and migrated build tooling from Gulp to Webpack for safer environment configs.
Frontend/Mobile Developer
Healthcast US Inc
Dec 2016 - May 2017 (5 months)
Built web and mobile health survey apps using component-based architecture, integrated Firebase auth (Google/Facebook), and refactored foundation code to enable rapid feature development.
Fullstack Developer
Gaslight - The Kroger Company
May 2016 - Nov 2016 (6 months)
Implemented interactive React/Redux components for Kroger.com, integrated Apollo Client and GraphQL with Java/Spring Boot APIs, and delivered store-locator mapping functionality.
Jr. Backend Developer
Littlelines
Oct 2015 - Apr 2016 (6 months)
Contributed to Rails upgrades and backend features across multiple projects, performed debugging, bug fixes, and refactoring to simplify and stabilize admin panels and app codebases.
Jr. Fullstack Developer
Differential Dev Shop
Jun 2015 - Aug 2015 (2 months)
Established the foundation for a web platform integrating Raspberry Pi data capture, collaborating with PMs and designers to deliver early-stage features and cloud data flows.
Education
Degrees, certifications, and relevant coursework
Western Governors University - Online College
Bachelor of Science, Software Development
2018 -
Pursuing a degree in Software Development with coursework focused on modern web and software engineering practices.
Johns Hopkins University
Certificate in Ruby on Rails Web Development, Web Development
2015 - 2016
Completed a Ruby on Rails web development certificate emphasizing server-side development and Rails framework proficiency.
Launch Academy
Boot Camp Certificate, Full-Stack Web Development
2014 - 2015
Completed an intensive 10-week Ruby on Rails boot camp focused on full-stack web application development.
Housatonic Community College
Associate Degree, Liberal Arts & Sciences
2010 - 2014
Completed an Associate Degree in Liberal Arts & Sciences on a part-time basis covering foundational college-level coursework.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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