Senior Web Designer & Front-End Developer

David Hadley Web Designer & Front-End Developer

DAVID HADLEY

WEB DESIGNER FRONT-END DEVELOPER

Pompano Beach, FL 33060 202-***-**** **********@*****.*** linkedin.com/in/david-hadley-24948b61

PROFILE

Web Designer and Front-End Developer with 15 years of experience creating responsive, maintainable web applications for government and enterprise environments. Combines strong HTML, CSS, JavaScript, and modern framework expertise with full-stack engineering depth to translate business requirements into polished interfaces, reusable components, and reliable digital experiences.

CORE SKILLS

Web Design & Front End: HTML5, CSS3, JavaScript, TypeScript, responsive web applications, reusable UI components Frameworks & UI: React, Angular, Vue.js, Bootstrap, Tailwind CSS, Razor Pages, Blazor Pages Back End & Integration: C#, ASP.NET Core, Node.js, Express, .NET Web APIs, REST services, JWT, OAuth Data & Architecture: SQL Server, PostgreSQL, MySQL, Entity Framework Core, LINQ, MVC, microservices, SOA Delivery & Tools: Azure, AWS, Docker, Kubernetes, GitHub Actions, Azure DevOps, Git, Visual Studio, VS Code, Postman, Jira, Jenkins, Agile/Scrum

PROFESSIONAL EXPERIENCE

Senior Full-Stack Developer / Computer Engineer DAI Bethesda, MD Full-time, Remote Jan 2021 - Apr 2025

Designed and developed scalable web applications with ASP.NET Core and React, connecting user-facing interfaces to secure, maintainable application services.

Built RESTful APIs and microservices that supported distributed systems and streamlined data exchange across application components.

Improved application performance by 35% through database optimization and caching, creating faster and more responsive user experiences.

Implemented automated CI/CD workflows with GitHub Actions and Docker to improve release consistency and delivery speed.

Partnered with cross-functional Agile teams to translate requirements into production-ready features and resolve technical issues.

Optimized SSIS ETL processes and redesigned SSRS reports for DAI's Recruitment Management System, improving reporting efficiency and data delivery.

Full-Stack Developer Office of the Secretary of Defense - Pentagon Arlington, VA Contract, On-site May 2020 - Dec 2020

Developed responsive Angular web applications supported by .NET Web APIs.

Integrated third-party APIs and payment gateways into application workflows.

Designed relational database schemas in SQL Server and refactored legacy code toward a microservices architecture. Systems Analyst / Web Developer Flatter, Inc.

Fredericksburg, VA Contract, Remote Feb 2018 - May 2020

Built and maintained interface components with JavaScript, HTML, and CSS.

Supported ASP.NET MVC API development, connecting front-end functionality with back-end services.

Diagnosed production issues and implemented fixes that improved application stability and reliability. SELECTED PROJECTS

Personal Developer Portfolio

Created a portfolio website with React and ASP.NET Core; integrated web APIs, authentication, microservices, and Azure deployment.

Task Management Application

Developed a React and Node.js productivity application with JWT authentication, REST APIs, and a PostgreSQL database. EDUCATION

Bachelor of Science, Computer Engineering Columbus State University, Columbus, GA 2011 Artificial Intelligence & Machine Learning Coursework Broward College, Davie, FL 2025 - Present

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