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Professional Senior Net Software Developer Jobs in Washington, DC

CACI

.NET Software Developer, Senior

Springfield, VA · On-site

$57 - $75.25/hr

The .NET Software Developer, Senior serves as CACI's senior software development professional responsible for designing, developing, integrating, testing, and sustaining enterprise software ...

Leidos

Sr. Software Developer

Gaithersburg, MD · On-site

$59 - $77.75/hr

As a Senior Software Developer, you'll do more than write exceptional code, you'll help build ... Working alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals ...

Koitecc Solutions

Sr. Software Developer

Gaithersburg, MD · On-site

$107K - $195K/yr

As a Senior Software Developer, you'll do more than write exceptional code, you'll help build ... Working alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals ...

Leidos LLC

Sr. Software Developer

Gaithersburg, MD · On-site

$107K - $195K/yr

As a Senior Software Developer, you'll do more than write exceptional code, you'll help build ... Working alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

teKnoluxion

Senior Software Developer

Springfield, VA · On-site

$148K - $180K/yr

Overview Senior Software Developer Springfield, VA Active TS (SCI eligibility) clearance and ... Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer???? National Capital Region???? TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate HireJoin Synertex and bring your expertise to a mission that matters.

teKnoluxion

Senior Software Developer

Springfield, VA · On-site

$148K - $180K/yr

Senior Software Developer Springfield, VA Active TS (SCI eligibility) clearance and eligibility to ... Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human ...

N2IA Technologies

Senior Software Developer

Washington, DC · On-site

$170K - $200K/yr

Software Developer Senior DCSA | Security clearance required Our Company N2IA Technologies is a ... AWS certified Solution Architect Professional * AWS Certified Developer * Sec+ certification. N2IA ...

N2IA Technologies

Senior Software Developer

Washington, DC · On-site

$61.75 - $81.50/hr

Software Developer Senior DCSA | Security clearance required Our Company N2IA Technologies is a ... AWS certified Solution Architect Professional * AWS Certified Developer * Sec+ certification. N2IA ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Senior Software Developer National Capital Region -- TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD · On-site

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

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Professional Senior Net Software Developer information

See Washington, DC salary details

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$68

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How much do professional senior net software developer jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for professional senior net software 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 is the difference between Professional Senior Net Software Developer vs Software Engineer?

AspectProfessional Senior Net Software DeveloperSoftware Engineer
CredentialsTypically requires a bachelor’s degree in computer science or related field; certifications like MCSD or Microsoft Certified: Azure Developer are commonUsually holds a bachelor’s degree in computer science or engineering; certifications vary but may include similar technical credentials
Work EnvironmentWorks primarily in Microsoft-based environments, developing .NET applications, often in enterprise settingsWorks across various platforms and technologies, including web, mobile, and desktop applications, in diverse industries
Employer & Industry UsageCommonly employed in IT firms, corporations, and government agencies focusing on Microsoft technologiesFound in tech companies, startups, and large enterprises across multiple sectors

While both roles involve software development, the Professional Senior Net Software Developer specializes in Microsoft .NET technologies and enterprise solutions, whereas a Software Engineer has a broader scope across different platforms and technologies. The choice depends on the specific technical focus and industry requirements.

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

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

Professional Senior Net Software Developer jobs near you

Senior .NET/C# Developer

Fort Belvoir, VA • On-site

Interactive Process Technology LLC
See more jobs at Interactive Process Technology LLCexternal

$62.25 - $79.25/hr

Full-time

Re-posted 14 days ago

Job description

Senior .NET/C# Developer

Ft. Belvoir, VA

At IPT Associates (IPTA), we enjoy solving real-world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical solutions that actually make a difference. Whether it's a government or business organization, we focus on understanding the need and building something that works.

Our Team

At IPTA, everything starts with our people. We're big believers that when you invest in your team, great things happen. That's why we encourage learning, growth, and trying new things-even if you don't have all the answers yet.

Our culture is rooted in fierce determination, fearless integrity, and passionate service-but we also like to keep things collaborative, supportive, and down-to-earth.

We're looking for people who:

  • Are curious and excited about technology
  • Like solving problems and figuring things out
  • Can take initiative but also enjoy working with a team
  • Want to keep learning, growing, and challenging themselves

If you're someone who's eager to jump in, learn something new, and make an impact-you'll fit right in here.

*This position is contingent upon contract award and the actual job description may vary based on specific contract requirements and organizational needs.*

Responsibilities:

  • Design, develop, enhance, and maintain web applications using MS .NET, C#, MVC 4+, and IIS on Windows Server
  • Support all phases of the Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and maintenance
  • Develop and maintain SQL Server stored procedures and database-driven functionality
  • Perform software testing activities including: Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT)
  • Document and track software defects using enterprise bug tracking systems
  • Coordinate defect resolution with developers, testers, and project managers
  • Mentor junior team members on development standards, tools, and best practices
  • Support configuration management and deployment activities in controlled environments
  • Ensure compliance with secure coding standards and mission environment requirements

Requirements:

  • Minimum 8 years of experience supporting .NET development
    • MS .NET
    • C#
    • MVC 4+
    • IIS / Windows Server web development
  • Minimum 5 years of experience supporting the Software Development Life Cycle (SDLC)
  • Minimum 5 years of experience supporting software development testing (Unit, System, Functional, or UAT)
  • Minimum 5 years of experience developing SQL stored procedures
  • Minimum 5 years of experience mentoring junior technical personnel
  • Minimum 5 years of experience documenting software defects using bug tracking tools
  • Ability to obtain SI, TK, G, HCS, and NATO Secret accesses
  • DoD 8140.03 IAT Level II (Intermediate) certification required
  • Active Security clearance required

IPTA is an Equal Opportunity Employer. All employment decisions are based on individual merit, including qualifications, experience, performance, and business needs, consistent with applicable federal laws and federal contracting requirements. IPTA provides equal opportunity and utilizes merit-based principles to make employment-related decisions.

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