A Decade of Full Stack Engineering

EngineeringDigitalEnterpriseExcellence

Architecting performant, high-availability systems for global brands. Transforming technical debt into business leverage.

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Discover Results

Bridging the gap between visionary code and measurable revenue.

I am a Full Stack Developer with over 10 years of experience engineering high-performance solutions. From architecting complex layouts for Walmart Connect to migrating legacy systems at PayPal, I specialize in React, Vue, and Node.js. My focus is on delivering high-quality, secure, and performant user experiences that drive measurable business innovation.

ROI-Centric

Decisions driven by business KPIs.

Scale Ready

Infrastructure that grows with you.

Technical Debt

Legacy code is an opportunity, not a burden.

Measurable Results

Proven Business Impact

Technology is an investment. I bridge the gap between complex engineering and concrete stakeholder value.

Server Load Reduction

Optimized website performance and caching strategies for an HVAC wholesaler, resulting in total server load efficiency.

$0k

Annual Cost Savings

Direct reduction in server maintenance costs through strategic infrastructure refactoring and performance tuning.

0k+

Monthly Blog Visitors

Successfully migrated high-traffic WordPress ecosystems to Contentful for TaxAct without any downtime or data loss.

Workflow Efficiency

Adopted Agile/Scrum methodologies and automated build systems to double the speed of project task completion.

Professional Roadmap

Technical Leadership

Career Span

2015 — 2025+

Jun 2016 - Present

Element of Surprise

Senior Full-Stack Engineer & Principal Consultant

Serve as the principal engineer and technical founder of an independent consulting entity, directing end-to-end full-stack architectures, technical automations, and UI system migrations for diverse corporate clients.

Client: TaxAct — Orchestrated WordPress-to-Contentful CMS migration for 500K monthly visitors, links complex posts/user schemas via custom mapping scripts.

Client: HUM Nutrition — Engineered responsive Astro storefront components and integrated Storybook UI documentation.

Client: Williams-Sonoma, Inc. — Led Vue.js frontend refactoring of legacy assets, maintaining full backward compatibility and Jest unit testing.

Client: Thales — Engineered secure single-page React form engines mapping compliance data to Perl/Oracle backend infrastructure.

Client: Multiple — Built custom WordPress websites, plugins, themes, and marketing content for small businesses.

Feb 2025 - Present

Undisclosed Employer

Webmaster

Manage, design, develop, and test web systems for a leading HVAC wholesaler and domain broker, maintaining tens of thousands of sites.

Successfully optimized website performance, resulting in a 100% reduction in server load and a corresponding decrease in server maintenance costs by $3,000 per month.

Implemented SSL verification across tens of thousands of domains, enhancing security and protecting sensitive data.

Streamlined task completion rates by 50% through the adoption of Agile and Scrum methodologies.

Provided technical support and setup services, implementing zero-trust policies and security measures.

Utilized automated build systems to improve deployment efficiency and reduce server load.

Jun 2022 - Feb 2023

Walmart Connect

Software Engineer

Contributed to front-end and back-end features of Walmart's creator portal in a fast-paced project environment.

Architected complex layouts using React, TypeScript, and Styled Components to enhance user engagement.

Collaborated with Node.js and Directus to design and implement robust, performant API routes.

Implemented secure OAuth authentication flows for third-party login integration.

Employed comprehensive testing strategies using Jest and React Testing Library to ensure reliability.

Tracked and analyzed key metrics to optimize platform efficiency and drive business growth.

Dec 2020 - May 2022

PayPal

Software Engineer

Migrated legacy marketing surfaces and optimized global API consumption patterns.

Played a pivotal role in deprecating older marketing technologies and migrating them to React.

Created React components styled with Less and documented with Storybook, writing unit tests with Jest.

Optimized page speed using Webpack and image compression, reducing load times.

Automated testing and cross-browser compatibility checks using Browserstack.

Utilized Node.js and Kraken.js to manage diverse API integrations and expedite builds with Jenkins.

Dec 2019 - Aug 2020

The Home Improvement Guide

Web Developer

Developed dynamic, engaging web designs and frontend systems for home improvement resources.

Created interactive sites using jQuery and developed sites using the JAM stack and PHP.

Configured storefront assets to consume custom CRM APIs to dynamically populate content.

Built animated landing pages using GSAP and developed CRM features with Laravel and Vue.js.

Oct 2017 - Jun 2019

Wiredhat Interactive

Software Engineer

Served as a full-service web developer, graphic designer, and SEO manager at a digital agency.

Interfaced with clients to gather requirements, estimate timelines, and translate designs to WordPress.

Coded custom WordPress themes and plugins from scratch using PHP.

Executed email marketing, Social Media, and Google AdWords campaigns to drive new lead generation.

May 2016 - Dec 2016

UCLA Extension

Assistant Instructor

Guided students in mastering full-stack concepts in a coding bootcamp environment.

Helped students grasp core development concepts and graded homework projects on performance and readability.

Assisted with project creation and curriculum updates for the Trilogy-backed coding bootcamp.

Fostered collaborative communication and guided students to self-solve complex coding issues.

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Portfolio

Strategic Engineering

Selected projects where architectural rigor met commercial success.

Walmart Connect

ReactTypeScriptOAuth

Walmart Creator Platform

Architecting complex layouts for the next generation of creator tools.

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PayPal

ReactNode.jsKraken.js

PayPal CMS Transformation

Migrating legacy infrastructure to a modern React-based component architecture.

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TaxAct

ContentfulHeadless CMSAPI Migration

Contentful Migration

Moving a high-traffic WordPress blog to a headless CMS environment.

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Engineering Journal

Thoughts & Strategy

Deep dives into scalable architecture, security protocols, and the business of software engineering.

Architecture

Mastering the Headless Transition

Using Next.js Middleware and Edge Functions to deliver localized content with sub-50ms latency.

Nov 20, 2024 7 min

Security

UI Security at Enterprise Scale

How to ensure the integrity of UI elements in high-transaction fintech environments like PayPal.

Oct 15, 2024 5 min

Optimization

The $36k Optimization Strategy

A breakdown of how infrastructure refactoring saved an HVAC wholesaler thousands in annual operational costs.

Sep 28, 2024 4 min

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Let's Collaborate

Have a project in mind or want to discuss modern web architecture? I'm currently available for enterprise consulting and new ventures.

devin.gray92@gmail.com