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Director Senior Net Software Developer Jobs in Virginia

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Senior NET Developer

Arlington, VA · On-site

$140K - $160K/yr

Marathon TS is seeking a Senior .Net Application Developer to support the critical mission of the ... Experience as a developer in a software environment that supported more than 10,000 users and a ...

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Sr.Net Developer

Richmond, VA · On-site

$54.50 - $69.25/hr

We are pre-eminent service providers in the field of staff augmentation, IT Consultancy, Software ... Plans, develops, tests, and documents computer programs, applying knowledge of programming ...

Senior .Net Developer

Alexandria, VA · On-site

$55.75 - $70.75/hr

This position is ideal for a hands-on software engineer who can work across the full technology ... NET.Develop scalable, maintainable, and reusable application components that support complex ...

Senior .NET Developer

Mclean, VA · On-site

$55.50 - $70.75/hr

NET and SQL) and direct development team management in both a Waterfall and an Agile Scrum ... Bachelor's degree in computer science, management information systems (MIS), software engineering ...

Sr .net developer

Richmond, VA

$54 - $71.25/hr

POSITION : SR.NET DEVELOPER LOCATION : RICHMOND VA(Face To Face) DURATION : 12 MONTHS Messaging ... As a senior .NET developer, you will be responsible for whole software development processes ...

Senior .NET Developer

Herndon, VA · On-site +1

$56.50 - $72/hr

NetImpact Strategies is seeking a Senior .NET Developer to join our talented team supporting the ... The environment also makes extensive use of AI-assisted software development tools and AI ...

Senior .Net Developer

Alexandria, VA · On-site

$120 - $160/hr

This position is ideal for a hands-on software engineer who can work across the full technology ... NET. * Develop scalable, maintainable, and reusable application components that support complex ...

Senior .NET Developer

Herndon, VA

$56.50 - $72/hr

NetImpact Strategies is seeking a Senior .NET Developer to join our talented team supporting the ... The environment also makes extensive use of AI-assisted software development tools and AI ...

NET, CSS, HTML, WCF, and Java Script programming languages. Familiarity with configuring MS Windows ... Jindal Sr. Talent & Client Acquisition Specialist AP Innovative Solutions | Email: yavin ...

Senior .NET Developer

Herndon, VA · On-site

$56.50 - $72/hr

NetImpact Strategies is seeking a Senior .NET Developer to join our talented team supporting the ... The environment also makes extensive use of AI-assisted software development tools and AI ...

NET, CSS, HTML, WCF, and Java Script programming languages. • Familiarity with configuring MS ... Jindal Sr. Talent & Client Acquisition Specialist AP Innovative Solutions / Email: yavin ...

NET Developer that will be responsible for delivering high-quality, maintainable software across ... NET. * Write and optimize SQL Server database objects, including T-SQL queries, stored procedures ...

Senior .NET Developer

Alexandria, VA

$58.75 - $75/hr

Senior .NET Developer Location: Alexandria, VA Work Schedule: Onsite 5 days per week Employment ... Participate in the full software development life cycle, including design, coding, unit testing ...

senior .net developer

Richmond, VA · On-site

$54.50 - $69.25/hr

Company Description Dellfor Technologies is founded by software professionals with fresh approach ... As a full stack engineer your contribution will have a direct impact on our customer experience and ...

Vision insurance Senior Software Developer Location: Springfield, VA Clearance Required: Active Top ... AI & Data: Direct experience building LLM-enabled workflows, RAG systems, RESTful APIs, and ...

Senior .Net Developer

Alexandria, VA · On-site

$55.75 - $70.75/hr

The Senior .NET Developer's responsibilities include participating in the entire software development life cycle, developing new web applications and supporting legacy systems. This will be a hands ...

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Infographic showing various Director Senior Net Software Developer job openings in Virginia as of August 2026, with employment types broken down into 85% Full Time, and 15% Contract. Highlights an 86% In-person, and 14% Remote job distribution.

Senior NET Developer

Arlington, VA • On-site

Marathon TS
IT Services • 51 - 200 employees

$140K - $160K/yr

Full-time

Medical, Dental, Vision, PTO

Posted 3 days ago

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Job description

Marathon TS is seeking a Senior .Net Application Developer to support the critical mission of the Drug Enforcement Administration (DEA). We are developing the applications that provide the tools necessary for our drug enforcement agents and the greater law enforcement community to take illicit drugs and those who traffic them off the street. The current opioid crisis in our country is testament to the critical mission of the DEA.

Location: Arlington, VA or Merrifield, VA (5 days a week onsite)

Clearance: Active Secret clearance

Responsibilities:

  • Works in a collaborative team environment to develop and enhance code for applications built within the Concorde framework, ensuring high-quality and efficient solutions.
  • Demonstrates strong expertise in Agile development methodologies through daily activities, including sprint participation, task execution, and adherence to Agile principles.
  • Participates in meetings, discussions, and demonstrations related to the development of applications and associated data across Classified, Unclassified, and Sensitive but Unclassified environments.
  • Possesses the knowledge and capability to support non-Concorde legacy applications as needed, contributing to seamless integration and operational continuity.
  • Possesses a foundational understanding of DevSecOps principles.

Requirements:

  • Top-notch experience in Microsoft .NET languages (primarily ASP.NET, C#, and LINQ), technologies (MVC, Entity Framework, Unity), and tools (Visual Studio 2010, Team Foundation Server, ReSharper). Experience with SharePoint, NHibernate, jQuery and JavaScript, AJAX, HTML and CSS, Oracle and SQL Server databases, T4 templates, and even Classic ASP, is also desired.
  • Recent 8+ years of ASP.Net C# MVC-based web development experience using Visual Studio 2017 or higher.
  • 5+ years of .Net Core/Standard development experience.
  • 5+ years of experience with Agile development methodologies, including participation in sprints, backlog grooming, and Agile ceremonies.
  • Experience as a developer in a software environment that supported more than 10,000 users and a Relational Database Management System (RDBMS) with more than 250 tables and 1 million total rows.
  • Significant recent Java Script development experience.
  • Significant development experience with Cascading System Sheets (CSS).
  • Experience with relational data models and SQL.
  • Experience with XML and programming libraries for XML manipulation.
  • Agile project and development experience utilizing Team Foundation Server.
  • Ability to quickly deliver small projects, and to frequently transition between projects and applications.
  • Experience in packaging and delivering software and documentation to a production environment.
  • Excellent communication skills.
  • Must be a U.S. Citizen and have an active Secret clearance.
  • Applicants selected will be subject to a government security background investigation and must meet eligibility and DEA suitability requirements.

Education/Experience:

  • Bachelor's degree in Computer Science, Engineering, or a related field (14+ years of demonstrated experience may be substituted).
  • 10+ years of general experience, including 10 years of specialized and/or hands-on experience in Agile development methodologies

Company Description

Marathon TS provides a full range of professional services for clients that require support from professionals with specialized skills and experience in a specific technical area or subject matter. Marathon TS also provides IT solutions, including strategy, operations, transformation and mission support.


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About Marathon TS

Sourced by ZipRecruiter

Marathon TS provides a full range of professional services for clients that require support from professionals with specialized skills and experience in a specific technical area or subject matter. Marathon TS also provides IT solutions, including strategy, operations, transformation and mission support.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Sterling, VA, US

Year founded

2009

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