Terrence R. Crossdale

New York / New Jersey

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  tcrossdale
  
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  terrencecrossdale
  
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  info@terrencecrossdale.com
  
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  (504) 878-0987
  

Results-driven Full-Stack Engineer with over 10 years of experience designing and developing scalable, performant, and user-centric web applications. Proven expertise in building reusable component libraries, optimizing front-end performance, and driving development efficiencies across large-scale digital campaigns.

Technical Skills

Areas of Focus

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  Web & Application Development
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  UI/UX Development
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  Web Accessibility
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  Web Performance & Scalability

Programming Languages

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  JavaScript
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  Typescript
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  Python
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  PHP
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  .NET Core
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  SQL
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  GraphQL

Frameworks & Libraries

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  React.js
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  Next.js
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  Angular
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  Django

Tools & Platforms

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  Git
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  Docker
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  AWS

Databases

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  MySQL
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  PostgreSQL

Content Management Systems

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  Wordpress
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  Sitecore
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  Contentful

Professional Experience

Bloomberg LP – New York City, NY

Senior Software Engineer – Feb 2020 – Present

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  Developed custom WordPress themes and plugins from scratch, optimizing for performance, SEO, and accessibility, resulting in a 40% increase in site traffic and improved user engagement metrics.
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  Integrated complex third-party APIs (e.g., payment gateways, CRMs, marketing platforms) into WordPress sites, streamlining business workflows and enhancing site functionality for end-users.
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  Built scalable, modular components using Advanced Custom Fields (ACF), Gutenberg blocks, and custom post types, empowering non-technical teams to manage content easily and reducing developer maintenance time by 30%.
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  Optimized site performance through code minification, lazy loading, database query tuning, and CDN integration, improving PageSpeed Insights scores from the 60s to high 90s.
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  Led full-cycle development of WordPress-based solutions for clients across industries, from requirements gathering and architecture planning to deployment and post-launch support, ensuring on-time delivery and high client satisfaction.

Equinox Holdings, Inc. – New York City, NY

Lead Front-End Engineer – Nov 2016 – Jul 2019

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  Developed a reusable website component library that improved developer workflow efficiency, reducing campaign launch timelines by 30%.
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  Standardized front-end codebase, cutting QA testing time by 25% through reusable, pre-tested modules.
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  Enabled faster production of digital campaigns, supporting 50+ launches annually with both internal and external vendors.
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  Reduced development redundancies, lowering vendor development costs by 15% while ensuring brand consistency across all web properties.
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  Increased website scalability and maintainability, allowing the marketing team to deploy new initiatives 2x faster than before.

Evoke Health – New York City, NY

Web Developer – May 2016 – Nov 2016

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  Optimized front-end performance by implementing image compression, responsive image sets, and SVGs, improving page load speeds by 40% and ensuring faster access to critical health information.
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  Streamlined code delivery through JavaScript minification, CSS modularization, reducing payload size by 35% and boosting LightHouse performance score from 72 to 94.
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  Applied lazy-loading, code-splitting, and caching strategies, cutting Time to Interactive (TTI) by 1.4s across high-traffic medical resource pages, resulting in 20% increase in engagement duration.
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  Deployed Content Delivery Network (CDN) edge caching and API response optimizations, reducing latency by 40% globally, ensuring clinicians and patients could access time-sensitive medical updates quickly.

BrightLine Partners, LLC – New York City, NY

Web Application Developer – Mar 2015 – May 2015

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  Fully coded various client web application templates in HTML5, CSS3 and Backbone.js that were integrated and used as the company standard for new and existing applications.
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  Leveraged node and gulp for task automation to enhance and streamline cross-functional team workflow which assisted in a more robust deployment process of application software to production servers.
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  Maintained a collaborative workflow with back-end developers to ensure seamless integration of front-end and back-end application functionalities.

OpenCrowd Inc. – New York City, NY

User Experience/Interface Developer – May 2014 – May 2015

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  Developed and maintained core components of internal web applications, improving data visibility and decision-making through enhanced reporting tools and interactive data visualizations.
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  Delivered intuitive and performant UI for the company’s core search platform, and built a responsive marketing site that increased user engagement and product inquiries.
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  Collaborated closely with product and design teams to develop a seamless user interface for the enterprise search tool and a responsive marketing site aligned with brand goals.

Incentient Inc. – Long Island, NY

Web Application Developer – May 2012 – May 2014

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  Developed and maintained core components of internal web applications, improving data visibility and decision-making through enhanced reporting tools and interactive data visualizations.
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  Delivered intuitive and performant UI for the company’s core search platform, and built a responsive marketing site that increased user engagement and product inquiries.
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  Collaborated closely with product and design teams to develop a seamless user interface for the enterprise search tool and a responsive marketing site aligned with brand goals.

Education Background

Stony Brook University – Long Island, NY

Bachelor of Science in Information Systems – 2009