AndrewLeonberger

Lead Software Developer

Delivering professional web solutions for B2B & B2C markets!

Portfolio

Case Studies

UMGC
nextjs
reactjs
typescript
azure
UMGC

Founded in 1947, University of Maryland Global Campus is a public university in the University System of Maryland — built for working adults, military service members, and learners worldwide through online and on-site education.

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Carflixer
nextjs
reactjs
tailwind
typescript
vercel
postgres
Carflixer

A car-first social platform where your build gets the audience it deserves. Showcase projects, swap real feedback, and connect with enthusiasts who care about the car, not the algorithm.

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Stanley Martin Homes
reactjs
bootstrap
csharp
sql
azure
jquery
gulp
Stanley Martin Homes

A residential construction company that specializes in building new homes in the United States. The company was founded in 1966 and is headquartered in Reston, Virginia.

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Liquidity Services
bootstrap
wordpress
csharp
sql
jquery
Liquidity Services

A dynamic force and a global pioneer in revolutionizing the reverse supply chain industry contributing positively to environmental sustainability.

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Autobathz
nextjs
tailwind
typescript
Autobathz

Complete brand identity refresh and marketing site rebuild for a mobile automotive detailing company: logo overhaul, service storytelling, package presentation, gallery, and contact/booking calls to action.

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Best Auto Salon
html5
css3
javascript
Best Auto Salon

One-page marketing site and logo redesign for a Waldorf, MD ceramic coating and detailing shop — services, process, warranties, and brand assets built for digital and apparel.

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Jayde Installs
wordpress
Jayde Installs

Based in Upper Marlboro, Maryland. Jayde Installs is committed to providing commercial and residential information technology and audio visual installation services.

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The Gothic Cathedral
nextjs
reactjs
typescript
tailwind
The Gothic Cathedral

I developed an interactive kiosk application designed with native user-friendliness in mind, which provides insights into the major features and history of The National Cathedral.

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About

Who I Am

Experience

Work History

University of Maryland Global Campus

2024 - Present

  • Guided a hybrid development environment, collaborating with contractors to maintain a legacy AngularJS student portal while transitioning it into a modern Next.js application
  • Architected and enforced a Git branch strategy and CI/CD pipeline that reduced merge conflicts and accelerated deployment cycles by 30%
  • Led code and design reviews, refactoring and ensuring WCAG 2.2 accessibility compliance and maintaining production readiness by approving all code releases
  • Optimized front-end performance and modernized data handling practices, resulting in 50% faster load times and improved user experience
  • Mentor and guide junior and mid-level developers, sharing best practices in front-end architecture, code quality, refactoring, and code management
  • Collaborating with contractors to maintain a legacy AngularJS student portal while transitioning it into a modern Next.js application
  • Document technical decisions, architecture patterns, and system workflows, ensuring transparency, continuity, and efficiency for developers using Student Portal Wiki

Stanley Martin Homes

2018 - 2024

  • Developed comprehensive documentation, mockups, prototypes, web style guides, and sophisticated web applications utilizing C# .Net & Core, SQL, and Bootstrap 5.
  • Spearheaded a digital rebranding initiative and engineered a new homebuyer experience, leading to a 36% increase in revenue and a 13% reduction in bounce rates.
  • Orchestrated multiple development projects, leveraging the NPM ecosystem and GIT for continuous integration and version control.
  • Harnessed the Azure ecosystem to deploy web applications, manage local logic, functions, blob storage, and dynamic XML feed operations for third-party vendors.
  • Executed company branding strategies and developed an intranet using the latest SharePoint Experience.
  • Integrated Salesforce Pardot forms to facilitate CRM interactions and implemented UTM parameters for lead tracking.
  • Revamped the architecture of a decade-old database, incorporating current data inherited from a previous firm.

Liquidity Services

2014 - 2018

  • Led the technical development of a new front-end & brand identity, collaborating with a diverse team and employing a digital strategic approach.
  • Designed innovative e-commerce user experience strategies, including theme design, wireframes, templates, and web style guides.
  • Developed multiple websites by integrating internal business requirements and processes using the MVC framework.
  • Provided front-end support for new component features and interfaces, collaborating with various software engineers.
  • Leveraged Redis to manage multiple database instances and ensure synchronization across various staging environments.
  • Utilized SASS syntax structure, variables, and function encapsulation to minimize repetitive CSS and enhance UI consistency.
  • Organized and structured website content to ensure user-friendliness, web 2.0 standards, and 508 compliance.
  • Developed and designed diverse e-commerce marketplaces for internal markets, including Network International and GovDeals.

Fishbowl Marketing

2013 - 2014

  • Developed a new corporate website using WordPress and Bootstrap.
  • Created new introduction videos for new brand identity using Adobe After Effects.
  • Maintained site features and implemented new marketing content.
  • Created emails, newsletters, landing pages, and videos for marketing.
  • Developed an intranet to host client documents using WordPress.
  • Researched, wireframed, and designed a new user interface to create client-side emails.

VersaTech Inc

2011 - 2013

  • Designed and maintained websites using WordPress and modern CSS methodologies to improve user experience and accessibility
  • Developed custom themes using Dreamweaver, CSS, and HTML5, and implemented Search Engine Optimization (SEO) techniques with Google API services to improve website visibility and page rankings
  • Developed new websites for acquired clients, including the Defense Contract Audit Agency, and ensured compliance with industry standards and guidelines
  • Converted Word documents into clean HTML files and ensured 508 compliance for the Food and Drug Administration

The Art Institute of Washington

2008 - 2008

  • Create & update academic program sheets, postcards, flyers, posters, letters, and stationary
  • Performed other duties for the Director as needed
  • Help students and teachers learn more about website & graphic design
  • Instructed new students in taking the ACT test for AIW

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