Available to hire
Hi, I’m David Hadley, a C#/.NET developer with over 15 years of experience building web applications and Windows services. I thrive on designing robust systems, optimizing performance, and delivering high-quality software that makes a real impact. I enjoy collaborating with stakeholders to turn complex requirements into reliable, scalable solutions and continuously improve user experience.
I’ve led feature development, resolved defects, and established standards for data and system quality across multiple projects. I’m energized by forward-thinking teams and opportunities to innovate in web development and software architecture.
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Web Developer/Computer Engineer at DAI
April 1, 2025 - September 10, 2025Collaborated with the development team and stakeholders to facilitate the seamless transition of existing systems into a new platform. Engineered new functionalities and rectified defects in existing code, significantly enhancing overall system performance. Established and enforced rigorous system and data standards for both corporate and project-level reporting.
.NET Web Developer- Senior at Secretary Of Defense
December 1, 2021 - September 10, 2025Designed and developed robust applications by leveraging various web programming languages, ensuring high-quality output. Oversaw the execution of software development tasks, emphasizing both programming and documentation to guarantee superior deliverables.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - September 10, 2025Provided specialized expertise in designing and developing a comprehensive Financial Management System. Champion process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM Developer/SharePoint Developer, ERP at USCIS-Avant CRM Developer/SharePoint Developer, ERP
December 1, 2017 - September 10, 2025Enhanced functionality for the E-Verify system and Microsoft SharePoint, markedly improving user experience. Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint/Web Developer at DOD
November 1, 2015 - September 10, 2025Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - September 10, 2025Recorded and toured internationally with various renowned artists, exemplifying versatility and expertise in music production.
Senior Web Developer/Computer Engineer at DAI
April 1, 2025 - September 10, 2025Collaborated with the development team and stakeholders to facilitate the seamless transition of existing systems into a new platform. Engineered new functionalities and rectified defects, significantly enhancing overall system performance. Established and enforced rigorous system and data standards for reporting.
.NET/Java Web Developer at Secretary Of Defense
December 1, 2021 - September 10, 2025Drove full stack development of technical infrastructure and custom software to enhance data-driven decision-making for client businesses. Tested, implemented and deployed external software applications for customer accounts using Angular, Javascript, and J2EE. Coordinated with a team of developers to build web-based applications; Developed server-side applications using Java and Spring Boot; Designed robust applications leveraging various web programming languages; Oversaw the execution of software development tasks with emphasis on programming and documentation.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - September 10, 2025Provided specialized expertise in designing and developing a comprehensive Financial Management System. Champion process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM Developer/SharePoint Developer, ERP at USCIS-Avant
December 1, 2017 - September 10, 2025Enhanced functionality for the E-Verify system and Microsoft SharePoint; Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint/Web Developer at DOD
November 1, 2015 - September 10, 2025Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - September 10, 2025Recorded and toured internationally with various renowned artists, exemplifying versatility and expertise in music production.
Senior Web Developer/Computer Engineer at DAI
April 1, 2025 - September 10, 2025Collaborated with the development team and stakeholders to facilitate the seamless transition of existing systems into a new platform. Engineered new functionalities and rectified defects, significantly enhancing overall system performance. Established and enforced rigorous system and data standards for both corporate and project-level reporting.
.NET/Java Web Developer at Secretary Of Defense
December 1, 2021 - September 10, 2025Drove full stack development of technical infrastructure and custom software to enhance data driven decision-making for client businesses. Test, implement and deployed external software applications for customer accounts using Angular, Javascript, and J2EE. Coordinated with a team of developers to build web based applications for client businesses, which included writing high quality code and supporting back end Java development. Developed server side applications using Java and Spring Boot, resulting in more efficient and reliable software. Designed and developed robust applications by leveraging various web programming languages, ensuring high-quality output. Oversaw the execution of software development tasks, emphasizing both programming and documentation to guarantee superior deliverables.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - September 10, 2025Provided specialized expertise in designing and developing a comprehensive Financial Management System. Championed process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM/SharePoint Developer at USCIS-Avant CRM Developer/SharePoint Developer, ERP
December 1, 2017 - September 10, 2025Enhanced functionality for the E-Verify system and Microsoft SharePoint, markedly improving user experience. Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint/Web Developer at DOD
November 1, 2015 - September 10, 2025Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - September 10, 2025Recorded and toured internationally with various renowned artists, exemplifying versatility and expertise in music production.
Senior Web Developer/Computer Engineer at DAI
April 1, 2025 - September 10, 2025Led the seamless transition of existing systems onto a new platform through cross-functional collaboration. Engineered new functionalities and rectified defects to significantly enhance overall system performance. Established and enforced rigorous system and data standards for corporate and project-level reporting, contributing to improved governance and traceability across initiatives.
.NET/Java Web Developer at Secretary Of Defense
December 1, 2021 - September 10, 2025Drove full-stack development of technical infrastructure and custom software to enhance data-driven decision-making. Tested, implemented, and deployed external software applications for customer accounts using Angular, JavaScript, and J2EE. Coordinated a team to build web-based applications, wrote high-quality code, and supported back-end Java development. Developed server-side applications using Java and Spring Boot, delivering more efficient and reliable software. Designed robust applications using multiple web programming languages and ensured thorough programming and documentation to guarantee high-quality deliverables.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - September 10, 2025Provided specialized expertise in designing and developing a comprehensive Financial Management System. Championed process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM Developer/SharePoint Developer at USCIS-Avant CRM Developer/SharePoint Developer, ERP
December 1, 2017 - September 10, 2025Enhanced functionality for the E-Verify system and Microsoft SharePoint, markedly improving user experience. Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint/ Web Developer at DOD
November 1, 2015 - September 10, 2025Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - September 10, 2025Recorded and toured internationally with various renowned artists, demonstrating versatility and expertise in music production, while managing performances, arrangements, and client relationships.
Senior Web Developer/Computer Engineer at DAI
April 1, 2025 - September 10, 2025Collaborated with the development team and stakeholders to facilitate the seamless transition of existing systems into a new platform. Engineered new functionalities and rectified defects in existing code, significantly enhancing overall system performance. Established and enforced rigorous system and data standards for both corporate and project-level reporting.
.NET/Java Web Developer at Secretary Of Defense
December 1, 2021 - September 10, 2025Drove full stack development of technical infrastructure and custom software to enhance data driven decision-making for client businesses. Test, implement and deployed external software applications for customer accounts using Angular, Javascript, and J2EE. Coordinated with a team of developers to build web based applications for client businesses, which included writing high quality code and supporting back end Java development. Developed server side applications using Java and Spring Boot, resulting in more efficient and reliable software. Designed and developed robust applications by leveraging various web programming languages, ensuring high-quality output. Oversaw the execution of software development tasks, emphasizing both programming and documentation to guarantee superior deliverables.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - September 10, 2025Provided specialized expertise in designing and developing a comprehensive Financial Management System. Champion process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM Developer/SharePoint Developer, ERP at USCIS-Avant
December 1, 2017 - September 10, 2025Enhanced functionality for the E-Verify system and Microsoft SharePoint, markedly improving user experience. Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint/ Web Developer at DOD
November 1, 2015 - September 10, 2025Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - September 10, 2025Recorded and toured internationally with various renowned artists, exemplifying versatility and expertise in music production.
Senior Web Developer / Computer Engineer at DAI
April 1, 2025 - April 1, 2025Collaborated with the development team and stakeholders to facilitate the seamless transition of existing systems into a new platform. Engineered new functionalities and rectified defects in existing code, significantly enhancing overall system performance. Established and enforced rigorous system and data standards for corporate and project-level reporting.
.NET Web Developer - Senior at Secretary Of Defense
December 1, 2021 - December 1, 2021Designed and developed robust applications by leveraging various web programming languages, ensuring high-quality output. Oversaw the execution of software development tasks, emphasizing both programming and documentation to guarantee superior deliverables.
Financial IT System Analyst / .Net Core Web Developer at Flatter Inc.
May 1, 2020 - May 1, 2020Provided specialized expertise in designing and developing a comprehensive Financial Management System. Championed process improvement and reengineering initiatives, significantly boosting operational efficiency.
CRM / SharePoint Developer, ERP at USCIS - Avant
December 1, 2017 - December 1, 2017Enhanced functionality for the E-Verify system and Microsoft SharePoint, markedly improving user experience. Collaborated with team members to facilitate system upgrades and enhancements, ensuring optimal project performance.
SharePoint / Web Developer at DOD Ft. Meade
November 1, 2015 - November 1, 2015Developed and optimized site pages and enhancements for the IAVA Trouble Ticket Tracker, dramatically streamlining user interactions. Produced comprehensive technical documentation and actively participated in team meetings to align project goals. Conceived and implemented innovative features for American Spaces, significantly enhancing user engagement. Designed database-driven web interfaces utilizing Salesforce technologies to improve functionality.
Music Director/Session Musician at Self Employed
December 1, 2008 - December 1, 2008Recorded and toured internationally with various renowned artists, exemplifying versatility and expertise in music production.
Education
B.S. at Columbus State University
June 1, 2008 - May 1, 2011B.S., Computer Science – Concentration in Applied Computer Science at Columbus State University
June 1, 2008 - May 1, 2011B.S. in Computer Science at Columbus State University
June 1, 2008 - May 31, 2011B.S., Computer Science at Columbus State University
June 1, 2008 - May 31, 2011B.S., Computer Science (Applied Computer Science) at Columbus State University
June 1, 2008 - May 1, 2011B.S., Computer Science at Columbus State University
June 1, 2008 - May 1, 2011Artificial Intelligence / Machine Learning at Broward College
January 11, 2030 - November 19, 2025Qualifications
Industry Experience
Government, Software & Internet, Financial Services, Professional Services, Media & Entertainment, Education
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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