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

JCD Staffing

Senior .NET Developer

Alexandria, VA

$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 ...

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 ...

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.

Network Designs

Senior .Net Developer

Alexandria, VA · On-site

$120 - $160/hr

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

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 ...

A-TEK Inc.

Senior .NET Developer

Rockville, MD · Remote

$125K - $130K/yr

Senior .NET Developer A-TEK, and its subsidiary, Mackson Consulting, are at the forefront of digital innovation, offering advanced IT services and solutions with a focus on emerging technologies. We ...

Improvix-Technologies-

Senior .Net Developer

Washington, DC · On-site

$120 - $160/hr

Senior .Net Developer FullTime Professional Washington, DC, US 14 days ago Requisition ID: 1115 Location: Onsite, Hybrid - 3x days / week - Washington, DC Clearance Required: Active Secret Join the ...

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 ...

NetImpact Strategies

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 development, modernization, and operation of a high-availability, enterprise-scale application in an ...

NetImpact Strategies

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 development, modernization, and operation of a high-availability, enterprise-scale application in an ...

NetImpact Strategies

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 development, modernization, and operation of a high-availability, enterprise-scale application in an ...

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

$41

$68

$88

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

As of Sep 6, 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 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 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.

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 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.

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

JCD Staffing

Alexandria, VA

$58.75 - $75/hr

Contractor

Re-posted 28 days ago

Job description

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 required

We are seeking a Senior .NET Developer for a contract-to-hire opportunity supporting legacy application sustainment and modernization efforts in Alexandria, VA. This is a hands-on development role focused on building and maintaining enterprise web applications using .NET Framework, .NET Core, Angular, SQL Server, and API development.

The ideal candidate will have strong full-stack development experience, the ability to support both legacy and modern application environments, and the communication skills needed to work closely with technical leads, developers, testers, and end users.

Key Responsibilities:

  • Develop, maintain, and modernize web applications using .NET Framework, .NET Core, Angular, JavaScript, and SQL Server
  • Support legacy systems while contributing to infrastructure and application modernization efforts
  • Design, build, and maintain APIs following secure coding and architecture best practices
  • Write and maintain SQL queries, stored procedures, and backend database components
  • Participate in the full software development life cycle, including design, coding, unit testing, integration testing, and troubleshooting
  • Use DevSecOps toolchains for code builds, merges, deployments, and testing
  • Maintain design documentation and contribute to design and test artifact reviews
  • Collaborate with Scrum Masters, Technical Leads, developers, testers, and business users to translate requirements into Features and User Stories
  • Identify root causes of application issues and work with testers and end users to resolve defects
  • Lead by example in writing secure, maintainable, and testable code

Required Qualifications:

  • U.S. Citizen
  • Able to obtain a Public Trust clearance
  • Able to work onsite in Alexandria, VA, 5 days per week
  • Bachelor's degree in Computer Science or a related technical field
  • 10+ years of related software development experience
  • Advanced hands-on experience with .NET development, including both .NET Framework and .NET Core
  • Strong experience with Angular and JavaScript UI frameworks
  • Experience developing and managing APIs
  • Strong SQL experience, including queries and stored procedures
  • Experience supporting enterprise applications and modern application architecture
  • Experience writing and maintaining unit tests
  • Experience maintaining design documentation
  • Strong communication skills and ability to work well in a team environment