Senior Web Developer - ASP.NET Core, Web API, JavaScript
Resume:
DAVID OSTROOT
Cedar Rapids, lowa, United States 319-***-**** *********@*****.***
Summary
Experienced Web Developer with over two decades of hands-on expertise building, maintaining, and supporting enterprise web applications using ASP.NET Core migrations, Web API development, C#, JavaScript, MongoDb, Azure DevOps with CI/CD and SQL-based technologies. Proven ability to work closely with business stakeholders to translate requirements into reliable, user-focused solutions. Strong background in full-stack development, legacy system support, and modern web frameworks, with a consistent track record of delivering stable, scalable applications in Agile team environments.
Skills
ASP.NET Core migrations
Web API
C# / .NET Framework
JavaScript / jQuery
Performance improvement
Scalability
Cosmos cloud database
CI / CD development
SQL Server / MongoDB
Unit Testing (NUnit)
Version Control (Git)
Vue.js / AngularJS / Knockout.js
Adaptability
Analytical Thinking
Collaboration
Communication
Problem Solving
Requirements Gathering
Time Management
User-Focused Mindset
Experience
Web Developer 04/2013 to 12/2025
Integrated DNA Technologies
Led full-stack web application development for a high-traffic enterprise ordering platform using ASP.NET Core, C#, Web API, JavaScript, Vue.js, AngularJS, SQL Server, and MongoDB, ensuring scalability, performance, and security.
Collaborated cross-functionally with Product Owners, Customer Service, and Agile Scrum teams to gather requirements, translate business needs into technical solutions, architect workflows, and deliver new features aligned with user experience best practices.
Designed and implemented RESTful APIs and microservice-based components, integrating backend services with modern front-end frameworks, while applying SOLID principles, clean architecture, and reusable components.
Improved application reliability and performance by resolving production issues, conducting root-cause analysis, optimizing database queries using Dapper, and applying unit testing (NUnit) and continuous integration practices via Azure DevOps.
Built and maintained internal enterprise applications using Vue.js, .NET Web Services, SQL, Git source control, and Agile methodologies, accelerating internal workflows and enhancing operational efficiency across departments.
Added visual progress manufacturing steps on order history page tied into WebAPI connected to Cosmos cloud database including internal Vue.js app to give customers better OTD.
Developed Vue.js web app to enable customer service to maintain yield calculations as needed without having g to wait for a developer to write a complicated database query.
ASP.NET Developer 11/2009 to 04/2013
Channel-Fusion
Developed and maintained enterprise-level web applications using ASP.NET / C#, JavaScript, and SQL Server, supporting a mission-critical company ordering platform with high availability requirements.
Performed application support, debugging, and production issue resolution, applying root-cause analysis to improve system reliability and maintainability.
Developed Excel to Database SQL Server DTS packages to import data from customer FTP sites Used Dundas charts to report on customer data
Fox-Pro / Windows Forms Dev 03/2009 to 11/2009
2009 Computer Software Development
Maintained and enhanced legacy industrial and manufacturing applications built with FoxPro DOS 2.6 and Visual FoxPro 9.0, ensuring system stability, data accuracy, and continued business operations.
Developed and supported Windows Forms applications using C# (.NET Framework 3.5), integrating SQL Server stored procedures, LLBLGen ORM, and Crystal Reports for custom manufacturing and reporting solutions.
Supported and integrated ERP and accounting systems, including AccountMate and Epicor Vantage, ensuring seamless data flow across financial and manufacturing processes.
Net Web Developer 02/2007 to 01/2009
Geonetric INC
Developed and maintained web-based applications and content management systems (CMS) using ASP.NET, VB.NET, C#, .NET Framework 3.5, JavaScript, jQuery, AJAX, XML, XSL and SQL Server, supporting scalable and user-friendly digital platforms.
Enhanced user experience and interface interactivity by implementing AJAX-driven features and ComponentArt UI controls, including advanced search, taxonomy management, image previews, and dynamic navigation components.
Collaborated closely with DBAs and cross-functional Agile Scrum teams to design, test, and optimize SQL Server stored procedures, improving application performance and data reliability.
Ensured cross-browser compatibility and accessibility across Internet Explorer, Firefox, and legacy browsers, adhering to web standards and usability best practices.
Applied unit testing and quality assurance practices using NUnit and NCover, contributing to code quality, maintainability, and continuous improvement within a collaborative team environment.
Net Web Developer 03/2003 to 02/2007
Grantwood Area Education Agency
Designed and developed a statewide web-based Individualized Education Plan (IEP) system using ASP.NET, SQL Server, JavaScript, and GDI+, enabling special education teachers to securely enter student data, track goals, and generate reports.
Built dynamic, form-driven web applications with client-side validation and usability enhancements using JavaScript, improving data accuracy and reducing user input errors.
Implemented data visualization and reporting tools with GDI+, allowing educators to plot progress metrics, baselines, and performance trends to support data-driven educational decisions.
Ensured cross-browser compatibility and accessibility across Internet Explorer, Firefox, Safari, and Netscape, adhering to web standards and government usability requirements.
Produced comprehensive technical documentation and well-commented code, collaborated with stakeholders for enhancements, and supported legacy systems using FoxPro and ColdFusion to maintain continuity of agency operations.
Desktop and Internet Developer 01/2000 to 01/2003
Genova
Developed and maintained internal desktop and intranet applications using ColdFusion, HTML, JavaScript, and Microsoft Access, supporting non-billable project tracking and internal business operations.
Built a ColdFusion-based intranet database system that allowed users to add, edit, and manage internal projects, including automated email notifications to improve communication and workflow visibility.
Designed and deployed client-facing websites using Macromedia Dreamweaver, HTML, JavaScript, and CGI scripts, supporting product promotion and sales-representative recruitment with email alert functionality.
Created a web-based Continuing Medical Education (CME) credit system with multi-step registration, data entry, reporting, and validation using ColdFusion, JavaScript, handheld Palm Pilot device and Access databases.
Participated in early ASP.NET and C# (.NET Framework beta) development for an XML differencing network server application, gaining foundational experience in Microsoft's emerging .NET platform.
Education
Certificate: Accelerated PC and Internet Programming 01/1999
Kirkwood Community College
GPA: Pass
Th. M.: Pastoral Ministry and Christian Education 01/1991
Dallas Theological Seminary
No degree: Graduate level Bible and Theology 01/1986
The Criswell College
Did urban bus ministry in inner city Dallas
B.A.: Philosophy 01/1984
The University of Texas at Austin
Volunteer Experience
Construction help, Iowa Valley Habitat for Humanity, 06/01/14, 03/01/20, 5 years 9 months, Used volunteer time off for two days a year helping to build a house for needy families
Help serve lunch to homeless people, Mission of Hope Cedar Rapids, 09/01/12, 09/01/15, 3 years, Help serve lunch to homeless people
Websites, Portfolios, Profiles
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