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Senior Net Developer Jobs in Gaithersburg, MD (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 ...

Resource Point LLC

.NET Developer

Washington, DC · On-site

$54.75 - $72.25/hr

Washington, DC Duration: 12 Months Our client is looking for an experienced Senior Full Stack .NET Developer to design, develop, and maintain enterprise-level applications using the Microsoft ...

Workila

Senior .NET Developer

Mclean, VA

$55.50 - $70.75/hr

The Senior Developer position requires the ability to provide hands-on development skills (primarily ASP .NET and SQL) and direct development team management in both a Waterfall and an Agile Scrum ...

360 IT Professionals

.Net Developer

Mclean, VA · On-site

$48.75 - $64.50/hr

We use Objective C and Swift programming languages to create native applications for iPhone ... Additional Information Thanks & Regards Preeti Nahar Sr. Talent & Client Acquisition Specialist 360 ...

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 ...

Clearwaters.IT

Senior .NET Developer

Washington, DC · On-site +1

$62.25 - $79.25/hr

Seeking a Senior Developer to design, develop, and maintain high-quality software solutions. This role requires expertise in software architecture, coding best practices, and modern development ...

Dellfor Technologies

senior .net developer

Washington, DC

$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 ...

Clearwaters.IT

Senior .NET Developer

Washington, DC · Remote

$62.25 - $79.25/hr

Seeking a Senior Developer to design, develop, and maintain high-quality software solutions. This role requires expertise in software architecture, coding best practices, and modern development ...

Clearwaters.IT

Senior .NET Developer

Washington, DC · Remote

$56.25 - $71.75/hr

Seeking a Senior Developer to design, develop, and maintain high-quality software solutions. This role requires expertise in software architecture, coding best practices, and modern development ...

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 ...

NAVA Software Solutions

Sr. DevOps Engineer

Bethesda, MD · On-site

$139K - $178K/yr

Details: Sr. DevOps Engineer Location: Bethesda, MD or Boynton Beach, FL - Onsite from day 1 ... NET Core 2.1/3/NET 5, SQL Server or Azure SQL/CosmosDB, and design/architectural patterns (e.g ...

Mindlance

Senior .Net Developer

Washington, DC · On-site

$62.25 - $79.25/hr

Title: .Net Full Stack Developer Duration: 12 Months Long Term Location: Washington, DC 20433 Hybrid Onsite: 4 days per week from Day 1, with a full transition to 100% onsite anticipated soon. Scope ...

Serigor, Inc.

Senior .NET Developer (Onsite)

Columbia, MD · On-site

$53.75 - $70.75/hr

Job Title: Senior .NET Developer (Onsite) Location: Columbia, MD Job Type: Full-Time * We are ... NET modernization and migration initiatives, including AI-assisted code conversion efforts

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Showing results 21-40

All JobsNet Developer JobsSenior Net Developer JobsSenior Net Developer Jobs in Gaithersburg, MD

Senior Net Developer information

See Gaithersburg, MD salary details

$39

$65

$84

How much do senior net developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for senior net developer in Gaithersburg, MD is $65.04, according to ZipRecruiter salary data. Most workers in this role earn between $57.12 and $72.74 per hour, depending on experience, location, and employer.

How much does a senior .NET developer make?

A senior .NET developer typically earns between $90,000 and $130,000 annually, depending on experience, location, and industry. They often have expertise in C#, ASP.NET, and related frameworks, and may hold certifications that can influence salary levels.

Are senior .NET developers still in demand?

Senior .NET developers remain in demand due to ongoing needs for enterprise application development, cloud integration, and modernization projects. Proficiency in C#, ASP.NET, and related frameworks, along with experience in cloud platforms like Azure, enhances job prospects in this field.

What is the difference between Senior Net Developer vs .NET Developer?

AspectSenior Net Developer.NET Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsMicrosoft Certified: Azure Developer Associate or similarOptional, but beneficial
Work EnvironmentLead projects, mentor juniors, design architectureDevelop applications, write code, troubleshoot
ResponsibilitiesArchitect solutions, oversee team, optimize performanceBuild and maintain .NET applications, implement features

The main difference between a Senior Net Developer and a .NET Developer lies in experience, responsibilities, and leadership. Senior Net Developers typically have more years of experience, hold advanced certifications, and take on leadership roles in project design and team mentoring. In contrast, .NET Developers focus on coding and application development with less emphasis on leadership or architecture. Both roles are essential in the software development lifecycle, but the senior position involves broader strategic responsibilities.

What are the most commonly searched types of Net Developer jobs in Gaithersburg, MD? The most popular types of Net Developer jobs in Gaithersburg, MD are:
What cities near Gaithersburg, MD are hiring for Senior Net Developer jobs? Cities near Gaithersburg, MD with the most Senior Net Developer job openings:
Senior Net Developer jobs near you
Infographic showing various Senior Net Developer job openings in Gaithersburg, MD as of August 2026, with employment types broken down into 77% Full Time, 8% Part Time, and 15% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $135,293 per year, or $65 per hour.

Senior .NET Developer

Andworx

Washington, DC • On-site

$62 - $79/hr

Full-time

Posted 21 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.