Jennifer Haggerty | Senior Remote React Developer

About me

I’m Jennifer Haggerty, a Senior Remote React Developer with 9+ years of experience building scalable, enterprise-grade web platforms. I specialize in React-first architecture, API-driven systems, and performance-optimized frontend engineering for remote-first organizations.

Skills & Tools

Primary Expertise (React Stack)

React
TypeScript
JavaScript (ES6+)
Next.js
Component Libraries
Hooks
Context API
State Management
Reusable UI Systems
Design Systems
Headless CMS
Micro-Frontend Concepts

Frontend Engineering

HTML5
CSS3
TailwindCSS
Bootstrap
Material UI
Responsive Design
Mobile-First Design
Progressive Web Apps (PWA)
Accessibility (WCAG/ADA)
Performance Optimization

Backend & APIs

Node.js
REST APIs
GraphQL
PHP (Symfony)
C#
.NET MVC
Web API
Microservices ArchitectureNode.js
REST APIs
GraphQL
PHP (Symfony)
C#
.NET MVC
Web API
Microservices Architecture

Cloud & DevOps

AWS (S3
Lambda)
Docker
CI/CD Pipelines
Azure DevOps
GitHub Actions
GitLab CI

Databases

MySQL
MSSQL
MongoDB
MariaDB
SQL Optimization

Remote Collaboration Tools

GitHub
GitLab
Azure DevOps
Jira
Confluence
Slack
Zoom
Figma
Notion

SEO & Performance

Technical SEO
Core Web Vitals
Page Speed Optimization
Indexing Optimization
Schema Markup
Structured Data
Analytics Integration
Conversion Optimization

Experience

Freelance — Senior Remote React Developer / Full Stack Engineer
January 2024 – Present | Remote
Architect and deliver React and Next.js applications for distributed teams using modern component-based architectures. Build scalable, SEO-optimized frontend platforms with performance-first engineering principles. Design reusable UI libraries and shared component systems for multi-project environments. Integrate REST and GraphQL APIs for real-time data-driven applications. Implement analytics, monitoring, and performance tracking systems for remote product teams. Lead accessibility compliance (WCAG/ADA) initiatives across enterprise platforms. Produce system documentation and developer standards for remote engineering teams.

CQL Corp — Interface Developer
January 2023 – December 2024 | Remote
Developed enterprise React + TypeScript platforms in a headless CMS environment. Built reusable component libraries and scalable UI architectures for large distributed teams. Integrated Salesforce and analytics systems supporting global user platforms. Implemented accessibility-first frontend engineering standards. Delivered modular frontend systems supporting enterprise scalability and maintainability.

TaxSlayer — Front End Engineer
September 2021 – December 2022 | Hybrid
Built production-grade React applications integrated with .NET MVC backends. Developed high-performance UI systems for enterprise financial platforms. Collaborated with remote cross-functional teams using Agile/Scrum methodologies. Delivered secure, scalable, and maintainable frontend solutions.

GoCollect LLC — Platform Specialist
March 2019 – April 2020 | Charlotte, NC
Built React + Node.js applications for internal platforms. Designed API-driven systems using GraphQL and REST architectures. Deployed cloud services using AWS (S3, Lambda). Automated infrastructure with Docker and Ansible for distributed teams.

Fast Growing Trees — Software Engineer
January 2018 – February 2019 | Fort Mills, SC
Migrated legacy systems to React + TypeScript modern architectures. Built SQL-driven data platforms and reporting dashboards. Modernized frontend systems for performance and scalability.

Digital Derm Inc. — Web Design & Systems Administration
November 2015 – December 2017 | Remote
Migrated platforms to AWS cloud infrastructure. Built SEO-optimized WordPress and React-based frontend systems. Delivered responsive, mobile-first, performance-optimized web platforms.

Portfolio