Devon Lewis

Rising Codementor

US$20.00

For every 15 mins

ABOUT ME

Full-Stack Engineer | JavaScript/TypeScript, React/Next, Node.js

Full-Stack Engineer with 8 years of progressive experience building scalable, accessible React and TypeScript applications, from consulting analytics dashboards to enterprise identity platforms. Delivered WCAG 2.1 AA-compliant authentication flows for 20M+ users at American Express while maintaining 100% test coverage in an Agile environment. Proficient with React 18/19, Angular, Next.js, Redux Toolkit, AWS S3, and CI/CD via Jenkins and GitHub Actions.

English

Pacific Time (US & Canada) (-07:00)

Joined July 2026

EXPERTISE

8 years experience

6 years experience

3 years experience

8 years experience

8 years experience

7 years experience

8 years experience

REVIEWS FROM CLIENTS

Devon's profile has been carefully vetted and approved as a Codementor. Connect with Devon now, and leave a review for them once you're done!

EMPLOYMENTS

Frontend Developer

American Express

2022-09-01-2026-06-01

Led JavaScript-to-TypeScript migration of the React 18 authentication module alongside 2 engineers, maintaining 100% test coverag...

Led JavaScript-to-TypeScript migration of the React 18 authentication module alongside 2 engineers, maintaining 100% test coverage across authentication flows using Jest and React Testing Library.
Implemented forced password reset, legacy profile creation, and OTP enforcement for 20M+ users, resolving policy compliance gaps in the React and TypeScript identity stack.
Led Authentication Flow Design Uplift initiative with cross-functional teams, building DLS components from new Figma designs in TypeScript and increasing user retention during MFA by 11%.
Architected scalable state management using Redux Toolkit, React Context API, and custom hooks, reducing cross-component prop drilling by 24% across the enterprise identity module.
Deployed production code through Jenkins CI/CD pipelines across E1, E2, and E3 environments, enforcing ESLint standards.
Resolved WCAG 2.1 violations across 8 identity flows using axe-core, achieving AA compliance within a 6-month SLA; mentored 2 junior engineers on component architecture, DLS standards, and deployment workflows.

Jenkins

TypeScript

React

Jenkins

TypeScript

React

Jest

Eslint

Redux Toolkit

Full-Stack Web Application Developer

Learn4Life Network

2020-06-01-2022-08-01

Developed a React-based COVID vaccination portal for 500–1,000 employees with role-based access, document upload workflows, and a...

Developed a React-based COVID vaccination portal for 500–1,000 employees with role-based access, document upload workflows, and admin review dashboards.
Built reusable multi-step form and UI components in React with client-side validation, conditional rendering, and file upload handling, reducing invalid submissions by 38%.
Delivered JavaScript and CSS3 customizations across 6+ Windows Power Pages sites, and integrated React frontends with PHP REST endpoints and SQL databases for real-time status updates.
Implemented semantic HTML5 and WCAG-aligned markup, establishing accessible component patterns that reduced screen reader compatibility issues by 22%.

PHP

SQL

CSS3

PHP

SQL

CSS3

React

WCAG

JavaScript

HTML5 Games

Web Developer (Contract)

Trusted Creative

2019-03-01-2020-10-01

Designed responsive marketing and eCommerce websites for 12 clients using HTML5, CSS3, JavaScript (ES6), and Bootstrap, increasin...

Designed responsive marketing and eCommerce websites for 12 clients using HTML5, CSS3, JavaScript (ES6), and Bootstrap, increasing average session duration to 4 minutes across newly launched sites.
Built content-managed websites with WordPress, PHP, and MySQL, and configured client-side validation and lead-capture workflows that generated 4,500+ verified customer inquiries within 8 months.
Optimized site structure, metadata, and asset compression to lower average page load to 2 seconds across 9 live sites; completed 25+ feature enhancements and 7 full website deployments using Git-based release coordination.

PHP

MySQL

Git

PHP

MySQL

Git

WordPress

CSS3

Bootstrap

JavaScript

HTML5 Games

PROJECTS

Beat Battle Web ApplicationView Project

2025

- Architected and shipped a full-stack Next.js 15 competition platform using TypeScript and Prisma ORM, delivering 4 core modules. - Eng...

- Architected and shipped a full-stack Next.js 15 competition platform using TypeScript and Prisma ORM, delivering 4 core modules. - Engineered an Amazon Web Services S3 presigned-URL audio upload pipeline with Clerk authentication, enabling direct browser-to-S3 transfers and reducing server memory overhead by 55%. - Built reusable UI components with Shadcn, Redux Toolkit, and Tailwind CSS v4, delivering a consistent, accessible interface across voting, submission, and results flows.

Amazon S3

TypeScript

Next.js

Amazon S3

TypeScript

Next.js

Prisma

Shadcn

AI Resume Insight Platform

2024

- Built a full-stack AI application integrating the Anthropic API for structured document analysis, with streaming responses, server acti...

- Built a full-stack AI application integrating the Anthropic API for structured document analysis, with streaming responses, server actions, and typed API contracts end-to-end. - Designed a PostgreSQL schema with Prisma for versioned analysis history, and deployed via Vercel with preview environments and GitHub Actions CI checks on every pull request.

PostgreSQL

TypeScript

Next.js

PostgreSQL

TypeScript

Next.js

Vercel

Anthropic