Hi, I'm Dean Keesey
Full Stack Developer specializing in modern web frameworks, SEO optimization, and digital marketing integration. I create high-performance websites that drive real-world results through improved search visibility and user engagement.
Professional Experience
15+ years building enterprise software at Fortune 500 companies, from financial services to gaming, healthcare to SaaS platforms
Senior Frontend Engineer & Consultant
Full-stack development and SEO optimization for diverse clients, focusing on modern React ecosystems and performance optimization.
Key Achievements:
- •Delivered 20+ web solutions with 90+ Lighthouse performance scores
- •Achieved page 1 Google rankings for competitive local search terms
- •Modernized legacy art portfolio with Astro framework and scroll-based UX
Senior UI Engineer
Led frontend development for AI-powered customer success platform using Natural Language Processing for sentiment analysis.
Key Achievements:
- •Developed alpha version of Agent Support Experience (ASX) product
- •Built React components connecting to Salesforce API for enterprise customers
- •Collaborated with Product Owners and UX designers using Agile methodologies
Founder & Technical Director
Founded nonprofit to preserve and promote globally renowned Japanese-American artist's legacy through digital platforms and art book publishing.
Key Achievements:
- •Built Progressive Web Application with 90+ Google Lighthouse score
- •Implemented CI/CD pipeline with Gatsby Cloud, Netlify, and GitHub
- •Placed artwork in major museums: SF MOMA, LACMA, Smithsonian Asian Art
- •Granted digital rights for Apple Film "Swan Song" starring Mahershala Ali
Senior UI Engineer
Developed enterprise HR platform features for Fortune 500 companies using SAP's proprietary UI framework.
Key Achievements:
- •Designed "Action Search" feature with 2-phase auto-complete functionality
- •Successfully integrated search feature across all suite SPA product pages
- •Delivered admin control panels moving SSH key config to user-based controls
- •Worked with SAP UI5 component framework for enterprise-scale applications
Software Engineer (Contract)
Principal SCSS/CSS Engineer for 2013 Guidewire Suite serving insurance industry enterprises.
Key Achievements:
- •Created custom Ext.js theme for Policy Center, Claims Center, and Billing Center
- •Delivered complete suite on time, surpassing customer expectations
- •Filled critical internal team skill gap in advanced CSS architecture
Frontend Engineer
Led major site redesign for leading education platform serving millions of parents and educators.
Key Achievements:
- •Delivered complete site redesign on high-traffic education platform
- •Worked with HTML5, CSS3, and jQuery for responsive user experience
Software Engineer II (Frontend)
Staff Frontend Engineer for EA's premier simulation game studio, working on Spore.com digital ecosystem.
Key Achievements:
- •Built single-page applications for Sporepedia and MySpore platforms
- •Delivered pixel-perfect marketing pages for AAA game launch
- •Worked with millions of user-generated content pieces in gaming ecosystem
Software Engineer II - UI
Developed electronic medical records applications for cancer treatment used by nationwide oncology network.
Key Achievements:
- •Built UI for oncology-focused enterprise EMR system
- •Collaborated with engineering team for life-critical medical software
- •Delivered applications used by cancer treatment professionals nationwide
Frontend Team Manager
Managed frontend development teams building large-scale client websites including first Goldman Sachs High Net Worth platform.
Key Achievements:
- •Led client-facing supervision of multiple coding teams
- •Built Goldman Sachs High Net Worth Investors website and research platform
- •Managed $1M+ client website projects for Sprint, Cushman & Wakefield
- •Performed management duties including performance reviews and recruiting
Team Leader - Internet Strategy & Development
Team Leader for Prudential's Internet Strategy and Development Group, managing digital transformation initiatives.
Key Achievements:
- •Advanced from Developer to Business Analyst to Team Leader in 2 years
- •Automated content delivery systems for public website and intranets
- •Managed production and distribution of financial product prospectuses
- •Trained incoming Director of Internet Strategy on group processes
Field Sales Contracts Specialist
Developed complex enterprise software licensing contracts for Oracle database and tools across multiple US regions.
Key Achievements:
- •Assembled licensing contracts ranging from $500K to $4.5M
- •Supported Field Sales Representatives across Northeast, Central, and Southeast regions
- •Ensured compliance with internal legal policy and executive approval structures
Enterprise Portfolio Highlights
Technical Skills
React
Advanced state management, custom hooks, performance optimization
TypeScript
Type-safe development, generics, advanced patterns
CSS/Sass
Modern layouts, animations, responsive design, cross-browser compatibility
Next.js
Server-side rendering, static generation, API routes
Astro
Static site generation, component islands, content-focused sites
Tailwind
Utility-first CSS, responsive design, component styling
Node.js
RESTful APIs, authentication, middleware
Azure
App Services, Functions, Storage, deployment workflows
Python
Basic scripting, conceptual understanding of frameworks
PostgreSQL
Database concepts, basic queries
GraphQL
API consumption, basic query structure
CI/CD
GitHub Actions, automated deployment workflows
WordPress
Theme customization, plugin integration, content management
AI Toolchain
Effective prompt engineering, API integration, LLM workflow optimization
Docker
Development environments, basic containerization
AWS
S3, basic deployment configurations
SEO
On-page optimization, local SEO strategy, keyword research
Analytics
GA4 implementation, conversion tracking, performance reporting
WordPress Security
Advanced hardening, malware removal, attack mitigation, security audits
Web Security
Vulnerability assessment, secure coding practices, penetration testing