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Senior Dot Net Developer Jobs in Washington, DC (NOW HIRING)

Andworx

Senior .NET Developer

Washington, DC · On-site

$62 - $79/hr

As Senior .NET Developer, you will be working on an Agile team that develops enterprise web applications using technologies that include ASP.NET, .NET CORE, .NET 6, MVC, Entity Framework, and Oracle ...

JCD Staffing

Senior .NET Developer

Alexandria, VA · On-site

$58.75 - $75/hr

Senior .NET Developer Location: Alexandria, VA Work Schedule: Onsite 5 days per week Employment Type: Contract-to-Hire Clearance: Must be able to obtain a Public Trust Citizenship: U.S. Citizenship ...

Network Designs Inc.

Senior .Net Developer

Alexandria, VA · On-site

$135K - $160K/yr

The Senior .NET Developer will also contribute to application architecture, technical design, code quality, performance optimization, security, and the mentoring of less-experienced developers.

Navtech, Inc.

Senior .NET Developer

Washington, DC · On-site

$62.50 - $79.50/hr

I have an opportunity for a "Senior .NET Developer" - (Washington, DC - Remote till COVID). and I am looking for a candidate who can join Immediately if you are interested, reply to me with your ...

InstantServe LLC

Senior .NET Developer

Washington, DC · On-site

$56 - $71.25/hr

Senior .NET Developer Location: Washington, DC 200019 Work Arrangement: Hybrid Agency Interview Type: Webcam Only Complete Description: 16+ years of experience. Formulates and defines system scope ...

Serigor, Inc.

Senior .NET Developer (Onsite)

Columbia, MD · On-site

$53.75 - $70.75/hr

Senior .NET Developer (Onsite) Location: Columbia, MD Job Type: Full-Time * We are seeking a highly experienced Senior .NET Developer to support large-scale enterprise modernization initiatives ...

Annexa Inc.

Senior .Net Developer

Washington, DC

$62.25 - $79.25/hr

Senior .NET Developer Employment Type: Onsite Annexa is currently supporting D.C. Government's Department of Human Services and we are searching for a Senior .NET Developer to join our team. The ...

National Associates, Inc.

Senior .NET Developer

Washington, DC · On-site

$62.25 - $79.25/hr

Contract Position for 1 year We need Senior .NET Developers who will also be responsible for designing, developing, testing, releasing and supporting a suite of web applications, windows services and ...

Dellfor Technologies

senior .net developer

Washington, DC · On-site

$62.25 - $79.25/hr

Technical Knowledge and Skills Senior .Net Developer shall possess 7+ years technical knowledge and experience with most of the following systems, platforms, applications, and skills: BS or MS in ...

Mobomo, LLC

Senior .NET Developer

Washington, DC · On-site

$60.75 - $77.50/hr

We are seeking a full-time, backend-focused Senior .NET Developer to support application modernization initiatives and ongoing maintenance of legacy systems. This role requires a hands-on engineer ...

Twenty First Systems

SR .NET DEVELOPER

Bethesda, MD · On-site

$58.75 - $75/hr

JOB TITLE - SR .NET DEVELOPER Job Title: .Net Developer Reports to: Program Manager Location: Bethesda, MD; Arlington, VA Start Date: Immediately Clearance Requirement: Public Trust Tax Term:-W2 or ...

Twenty First Systems

SR .NET DEVELOPER

Bethesda, MD · On-site

$58.75 - $75/hr

JOB TITLE - SR .NET DEVELOPER Job Title: .Net Developer Reports to: Program Manager Location: Bethesda, MD; Arlington, VA Start Date: Immediately Clearance Requirement: Public Trust Tax Term:-W2 or ...

360 IT Professionals

Sr. .NET Developer

Mclean, VA · On-site

$55 - $72.75/hr

Position: Sr. .NET Developer Location: Mclean, VA Duration: Full-Time Responsible for the design, development, integrating and testing, of new and existing engineering and related software ...

Alpha Omega Integration

Sr .Net Developer

Vienna, VA · On-site +1

$115K - $150K/yr

Job Title: Sr .Net Developer Clearance Required: Public Trust - Federal Client requires US Citizenship Work Location: Hybrid, Arlington, VA. Alpha Omega is seeking a highly skilled Sr .Net Developer ...

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Senior Dot Net Developer information

See Washington, DC salary details

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How much do senior dot net developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for senior dot net developer in Washington, DC is $68.18, according to ZipRecruiter salary data. Most workers in this role earn between $59.90 and $76.25 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior dot net developer?

To thrive as a Senior Dot Net Developer, you need advanced proficiency in C#, .NET frameworks, object-oriented programming, and a bachelor's degree in computer science or a related field. Expertise with Visual Studio, SQL Server, Azure DevOps, and relevant certifications like Microsoft Certified: .NET Developer are highly valued. Strong problem-solving, leadership, and effective communication skills help drive complex projects and mentor junior team members. These competencies ensure robust, scalable software solutions and foster high-performing development teams.

What is the difference between Senior Dot Net Developer vs Software Engineer?

AspectSenior Dot Net DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, various programming certifications
Work EnvironmentDeveloping .NET applications, coding, debuggingDesigning, coding, testing software across platforms
Employer & Industry UsageTech companies, finance, healthcare using .NETBroad industry use, including tech, finance, startups
Common Search & ComparisonYesYes

The main difference between a Senior Dot Net Developer and a Software Engineer lies in their focus areas. Senior Dot Net Developers specialize in building and maintaining applications using the .NET framework, often with specific certifications. Software Engineers have a broader scope, working across various programming languages and platforms. Both roles are vital in tech industries, but the Senior Dot Net Developer role is more specialized in Microsoft technologies.

How does a senior .NET developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior .NET Developer, you will frequently work alongside product managers, UI/UX designers, quality assurance testers, and other developers to deliver robust software solutions. Your role often involves clarifying technical requirements, providing input on architecture and feasibility, and ensuring seamless integration with other systems. Effective communication and proactive problem-solving are vital, as you'll help bridge the gap between technical and non-technical stakeholders. Regular code reviews and agile ceremonies like sprint planning and stand-ups are common in this collaborative environment.

What does a senior dot net developer do?

A Senior Dot Net Developer designs, develops, and maintains software applications using Microsoft's .NET framework. They work on complex projects, often leading development teams, architecting solutions, and ensuring code quality through best practices. Their responsibilities also include troubleshooting issues, optimizing application performance, and mentoring junior developers. They typically collaborate with other IT professionals and stakeholders to deliver scalable and efficient software solutions.

What are the most commonly searched types of Dot Net Developer jobs in Washington, DC?

The most popular types of Dot Net Developer jobs in Washington, DC are:

What are popular job titles related to Senior Dot Net Developer jobs in Washington, DC?

For Senior Dot Net Developer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Senior Dot Net Developer jobs in Washington, DC look for?

The top searched job categories for Senior Dot Net Developer jobs in Washington, DC are:

Senior Dot Net Developer jobs near you
Infographic showing various Senior Dot Net Developer job openings in Washington, DC as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $141,823 per year, or $68.2 per hour.

Senior .NET Developer

Andworx

Washington, DC • On-site

$62 - $79/hr

Full-time

Posted 23 days ago

Job description

Andworx is seeking a Senior .NET Developer to play an important role in the development of mission and operational applications for a federal government agency. As Senior .NET Developer, you will be working on an Agile team that develops enterprise web applications using technologies that include ASP.NET, .NET CORE, .NET 6, MVC, Entity Framework, and Oracle and Azure DevOps. You will work with a team of developers, testers, business analysts, and stakeholders to develop solutions to customer requirements and objectives. This is an excellent opportunity to contribute to a dynamic team where you will have high visibility developing applications that make an impact to the mission.

Please Note: This position requires 2-days per week of on-site work at our customers location in Washington, DC. Candidates must be within a commutable distance to the Washington, DC Metro area.

Required Qualifications

  • 8-10 years of experience developing enterprise level applications, preferably in a Federal Government environment.
  • Hands-on experience with ASP.NET, .NET 6 .NET Core, C# .NET, MVC, MVVM, Entity and similar .NET design patterns and frameworks.
  • Experience and understanding in developing responsive and web enabled applications, including web services integration utilizing REST, SOAP, JSON, and XML.
  • Experience with relational data models working in an Oracle database environment.
  • Understanding of SDLC methodologies including Agile Kanban and Scrum.
  • Experience leading small teams, projects, tasks, or initiatives, preferred.
  • Excellent written and oral communication skills, with both technical and non-technical people.
  • Bachelor's degree in Computer Science, Information Systems, or related technical field or equivalent years' experience.
  • U.S Citizenship is required as is ability to successfully obtain a Position of Trust clearance. (VISA or Green card holders do not meet this requirement.)

Responsibilities

As Senior .NET Developer, the candidate will leverage their blend of business analysis, organization, communication, and technical skills, to perform the following:

  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment.
  • Apply understanding of application development processes, coding standards, and performance standards to develop, test, and deploy engaging software solutions.
  • Work with subject matter experts and key stakeholders to understand customer business processes, objectives, and solution requirements.
  • Use agile techniques to prepare user stories and acceptance criteria to meet prioritized requirements.
  • Participate in testing, packaging, and delivering software and documentation to a production environment.
  • Troubleshoot, debug, maintain, and improve applications as well as compile and assess user feedback to improve software performance.
  • Develop enterprise applications and support end-to-end software development and delivery in an Agile Microsoft code-base environment.
  • Use various scripting and programming languages to develop, test and deploy software solutions.

Andworx gets things done! We are a collaborative team of digital transformation experts and IT professionals who have an entrepreneurial mindset. We ignite the enthusiasm of our customers by delivering innovative, creative, and high-quality solutions, all paired with unparalleled services.
We are a team of life-long learners who enjoy excelling, coaching, and mentoring. Together we celebrate our achievements and learn from our challenges as we grow through each experience as a team.
Additional Information

Andworx employment decisions are based solely on qualifications, merit and business need. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local law.

Andworx participates in the E-Verify Employment Eligibility Verification Program.