Senior .NET Application Developer

The Amatriot Group; Arlington (VA); On-site; USD 140,000 - 150,000; Full time

Job summary

The Amatriot Group is seeking a Senior .NET Application Developer to support the DEA mission. You will develop and enhance applications, work in an Agile environment, and contribute to software for both Classified and Unclassified environments.

Strong ASP.NET/C# and .NET Core skills are required. The role demands 10+ years of experience, a Bachelor's degree in a related field, and an Active Secret clearance.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field is required.
• Active Secret clearance or higher is required.
• 10+ years of general experience and 10 years in Agile development.
• 8+ years ASP.NET C# MVC web development experience with Visual Studio 2017 or later.
• 5+ years of .NET Core/.NET Standard development.
• Experience with large-scale environments with 10,000+ users and 1M+ rows in DBs.

Responsibilities

• Develop and enhance applications built within the Concorde framework.
• Deliver high-quality software solutions in a collaborative team environment.
• Support non-Concorde legacy applications to maintain operations.
• Package and deploy software and supporting documentation to production environments.
• Participate in Agile development activities, including sprint planning and backlog grooming.
• Apply DevSecOps principles throughout the software lifecycle.
• Work across Classified, Unclassified, and Sensitive environments.

Skills

ASP.NET MVC

C#

.NET Core

SQL Server

JavaScript

CSS

XML

TFS / Azure DevOps

JQuery

HTML

Visual Studio

NHibernate

SharePoint

ReSharper

T4 templates

Education

Bachelor's degree in Computer Science, Engineering, or related field

14+ years of demonstrated experience may be substituted

Tools

Visual Studio

Team Foundation Server

ReSharper

NHibernate

T4 templates

SharePoint

Oracle

SQL Server

Job description

Location: Arlington, VA or Fairfax, VA

Security Clearance: Active Secret or higher [Required]

Job Type: Full-Time

Target Salary Range*: $140,000 - $150,000Agile DevelopmentCollaborationDevSecOps SupportQualificationsEducationExperienceSkillsClearancePreferred Qualifications

• This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary Position Overview Amatriot is seeking a Senior .NET Application Developer to support the mission of the Drug Enforcement Administration (DEA). This role develops and enhances applications that provide critical tools for DEA personnel and the broader law enforcement community. The position works within an Agile environment to deliver high-quality software solutions, support legacy applications as needed, and contribute to application development across Classified, Unclassified, and Sensitive but Unclassified environments. Key ResponsibilitiesApplication Development
• Develop and enhance applications built within the Concorde framework.
• Deliver high-quality, efficient software solutions in a collaborative team environment.
• Support non-Concorde legacy applications as needed to maintain operational continuity.
• Package and deliver software and supporting documentation to production environments.
• Participate in Agile development activities, including sprint planning, task execution, backlog grooming, and Agile ceremonies.
• Adhere to Agile development principles throughout the software development lifecycle.
• Participate in meetings, technical discussions, and demonstrations related to application development.
• Support application and data development across Classified, Unclassified, and Sensitive but Unclassified environments.
• Apply a foundational understanding of DevSecOps principles in development activities.
• Bachelor's degree in Computer Science, Engineering, or a related field. An additional 14+ years of demonstrated experience may be substituted.
• 10+ years of general experience, including 10 years of specialized and/or hands‑on experience using Agile development methodologies.
• 8+ years of recent ASP.NET C# MVC-based web development experience using Visual Studio 2017 or later.
• 5+ years of .NET Core/.NET Standard development experience.
• 5+ years of experience with Agile development methodologies, including sprint participation, backlog grooming, and Agile ceremonies.
• Experience developing software in environments supporting more than 10,000 users and relational database management systems (RDBMS) containing more than 250 tables and over 1 million rows.
• Experience packaging and deploying software and documentation to production environments.
• Strong experience with Microsoft .NET technologies, including ASP.NET, C#, LINQ, MVC, Entity Framework, Unity, Visual Studio, Team Foundation Server, and ReSharper.
• Significant JavaScript development experience.
• Significant experience with Cascading Style Sheets (CSS).
• Experience with relational data models and SQL.
• Experience with XML and programming libraries for XML manipulation.
• Experience using Team Foundation Server in Agile development environments.
• Ability to quickly deliver small projects and transition frequently between projects and applications.
• Excellent written and verbal communication skills.
• Active Secret clearance.
• Must be a U.S. Citizen.
• Applicants selected will be subject to a government security background investigation and must meet eligibility and DEA suitability requirements.
• Experience with SharePoint.
• Experience with NHibernate.
• Experience with jQuery.
• Experience with AJAX.
• Experience with HTML.
• Experience with Oracle and SQL Server databases.
• Experience with T4 templates.
• Experience with Classic ASP.