Haystack
← Back to Jobs
Technology
FEFedTec LLC logo

Application Developer(.NET)

FedTec LLCWashington, DC🇺🇸United StatesPosted Oct 21, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Washington, DC, United States
Posted
Yesterday
SQLSVNT-SQLMicrosoft OfficeHTMLCSSBootstrapC#ASP.NETPythonjQueryRESTJavaScriptPower BISQL ServerJiraAgileSharePointCI/CD

Job Description

Application Developer

FedTec is seeking Mid-Level Application Developer to support the continued development, enhancement, integration, maintenance, modernization, and support of informatics and mobile health (mHealth) solutions. This role will address new requirements and support the expansion, upgrade, maintenance, and, where applicable, decommissioning of existing applications. A key focus will be the continued automation and enhancement of HuRIS and its allied systems, including major clinical functions across NIDA/IRP clinics.
Location: Washington, DC
Key Responsibilities

  • Design, develop, enhance, test, deploy, and support applications using ASP.NET MVC, Python, and C#.
  • Support automation and modernization of HuRIS and related clinical/informatics applications.
  • Develop responsive web interfaces using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, and JSON.
  • Develop business applications and workflows using Microsoft Power Apps, Power Automate, and Power BI.
  • Integrate applications with Microsoft 365, SharePoint, SQL Server, APIs, and other enterprise systems.
  • Develop and optimize SQL Server/T-SQL solutions, including stored procedures, views, functions, and complex queries.
  • Develop dynamic data presentation using jQuery DataTables, including filtering, sorting, searching, pagination, and AJAX-based loading.
  • Develop and consume RESTful APIs and web services.
  • Deploy, configure, maintain, and troubleshoot applications on Microsoft IIS.
  • Use JIRA for requirements, task tracking, defect management, and development activities.
  • Use SVN/source control for version management, branching, merging, change tracking, and code collaboration.
  • Support code reviews, release management, application troubleshooting, performance optimization, and CI/CD practices.
  • Participate in application upgrades, migrations, modernization, and system decommissioning activities.

Required Qualifications & Technical Skills

  • 8 10 years of professional application development experience.
  • Strong experience with ASP.NET MVC, C#, JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap, Python, and JSON.
  • Strong experience with Microsoft SQL Server, T-SQL, stored procedures, views, functions, database design, and performance tuning.
  • Hands-on experience with Microsoft Power Platform technologies: Power Apps, Power Automate, and Power BI.
  • Working experience with Python for application development, scripting, automation, data processing, and integration with APIs, databases, and enterprise systems.
  • Working experience with SharePoint CMS for content and document management.
  • Experience with JIRA for agile/project tracking and issue management.
  • Experience with SVN or comparable source-control systems.
  • Experience with REST APIs, web services, IIS, and application integration.
  • Strong understanding of object-oriented programming, MVC architecture, reusable components, debugging, and performance optimization.
  • Strong analytical, troubleshooting, documentation, and communication skills.

FedTec Overview:

FedTec is a Woman-Owned Small Business with headquarters in Reston, VA. However, FedTec is more than just a company we are a dedicated team of visionary individuals who understand the power of transformation. With our unwavering commitment to innovative technology and forward-focused methods, we empower government agencies to fulfill their missions successfully with our Digital Transformation and Cyber Security capabilities. Our strategy is rooted in in-depth advising and a unique shoulder-to-shoulder mission experience, all geared towards enabling our clients, their agencies, and every American to thrive. We use the same approach with our employees, building meaningful and lasting relationships to meet their evolving needs and help them grow. We're excited to welcome you to our family.

When You Join FedTec, You Are Joining a Family! We take pride in our work and the true and transparent relationships we build with our employees and partners. Just as you would do for your own family, we prioritize your safety, health, and happiness. That is why we've created the FedTec Total Well-Being program, offering benefits like:

  • Health & Wellness: Medical, dental, and vision plans with valuable features like Telehealth virtual care and resources to support your physical and mental well-being.
  • Time to Recharge: Generous paid time off to relax and rejuvenate.
  • Financial Security: 401(k), company-paid short- and long-term disability, life insurance, and additional voluntary coverage.
  • Life & Family Support: Employee Assistance Program (EAP), Pet Insurance, and Prepaid Legal services.
  • Recognition & Growth: The FedTec Applause program rewards outstanding contributions, while our Learning & Development programs support your career growth.
  • Fitness & Wellness: The FedTec Fit Program includes an on-staff Fitness Coach, personal and group training sessions, company fitness challenges, and ongoing wellness support.

Visit to learn more about who we are and where you can make an impact!

Similar jobs