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Senior Net Developer Jobs in Washington (NOW HIRING)

Evolver

Senior .NET Developer

Washington, DC · On-site

$62.25 - $79.25/hr

Evolver is seeking a Senior .NET Developer to support the work and projects of our client in Washington D.C. Must be able to pass a USCP Background Check. The role's primary function will be to work ...

Evolver Federal

Senior .NET Developer

Washington, DC · On-site

$135K - $165K/yr

Evolver is seeking a Senior .NET Developer to support the work and projects of our client in Washington D.C. Must be able to pass a USCP Background Check. The role's primary function will be to work ...

Nalley Consulting

Software Developer - Sr

Reston, VA · On-site

$57.50 - $76/hr

Software Developer LCAT: Senior Location: Reston, Virginia This position is contingent upon award ... Requirements: * 11+ years of experience with cloud and net centric software development

Nalley Consulting

Software Developer - Sr

Reston, VA · On-site

$57.50 - $76/hr

Software Developer LCAT: Senior Location: Reston, Virginia This position is contingent upon award ... Requirements: * 11+ years of experience with cloud and net centric software development

Network Designs Inc.

Senior .Net Developer

Alexandria, VA · On-site

$125K - $140K/yr

The Senior .NET Developer's responsibilities include participating in the entire software development life cycle, debugging applications and configuring existing systems. Our services provide ...

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 ...

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

talentmovers inc

Sr. Dot Net developer / Lead

Reston, VA · On-site

$57.25 - $72.75/hr

Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design ...

Annexa Inc.

Senior Quickbase Developer

Washington, DC · On-site

$61.75 - $81.50/hr

Senior QuickBase Developer Employment Type: Full Time Annexa Inc is currently working with a large ... Java, XML, HTML, JavaScript, NET/ASP/Visual C#, SQL Server, SQL. * Capable of implementing ...

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Senior Net Developer information

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How much do senior net developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior net developer in Washington 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 a Senior .NET Developer?

A Senior .NET Developer is an experienced software engineer who specializes in building, maintaining, and optimizing applications using Microsoft’s .NET framework. They are responsible for designing robust and scalable solutions, leading development teams, and ensuring best coding practices. Senior .NET Developers typically work with technologies such as C#, ASP.NET, SQL Server, and may also be involved in architectural decisions, mentoring junior developers, and collaborating with stakeholders to deliver high-quality software products.

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 key skills and qualifications needed to thrive as a Senior .NET Developer, and why are they important?

To thrive as a Senior .NET Developer, you need advanced proficiency in C#, ASP.NET, and object-oriented programming, typically supported by a bachelor's degree in computer science or related field. Experience with tools like Visual Studio, SQL Server, and version control systems such as Git, along with relevant Microsoft certifications (e.g., MCSD), is highly valued. Strong problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior developers. These competencies ensure robust, maintainable software solutions and contribute to successful project delivery in complex development environments.

How does a Senior .NET Developer typically collaborate with cross-functional teams during the software development lifecycle?

As a Senior .NET Developer, you will often work closely with product managers, UI/UX designers, QA engineers, and other developers to deliver robust software solutions. Collaboration usually involves participating in requirement-gathering sessions, contributing to architectural decisions, conducting code reviews, and ensuring seamless integration of backend and frontend components. Clear communication and proactive problem-solving are essential, as you may also mentor junior developers and provide technical guidance to the team. This collaborative approach helps ensure that projects are delivered efficiently and meet both technical and business requirements.
What are the most commonly searched types of Net Developer jobs in Washington? The most popular types of Net Developer jobs in Washington are:
What cities in Washington are hiring for Senior Net Developer jobs? Cities in Washington with the most Senior Net Developer job openings:
What are popular job titles related to Senior Net Developer jobs in WA? For Senior Net Developer jobs in WA, the most frequently searched job titles are:
Senior Net Developer jobs near you
Infographic showing various Senior Net Developer job openings in Washington as of July 2026, with employment types broken down into 82% Full Time, 8% Part Time, 1% Temporary, and 9% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $141,823 per year, or $68.2 per hour.
Senior .NET Developer

Senior .NET Developer

Evolver

Washington, DC • On-site

$62.25 - $79.25/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 13 days ago

Job description

Evolver is a cybersecurity and digital transformation company supporting national defense, federal civilian agencies, and Fortune 500 organizations. We help customers secure critical systems, modernize enterprise technology, and solve complex operational challenges through integrated capabilities spanning cybersecurity, enterprise IT infrastructure, cloud, software development, data analytics, legal technology and eDiscovery, applied AI, and electronic security systems. Our teams combine deep technical expertise with mission understanding to deliver secure, reliable, and scalable solutions that advance performance in high-stakes environments.
Evolver is seeking a Senior .NET Developer to support the work and projects of our client in Washington D.C. Must be able to pass a USCP Background Check.
The role's primary function will be to work with the software development team to support and enhance existing software applications written in .NET, ColdFusion, and Java, using SQL Server and Oracle databases in the backend.
Responsibilities
  • This position requires excellent interpersonal and written communication skills to interface effectively with key stakeholders and demonstrated ability to present material effectively to all levels of management.
  • Ability to work with non-technical customers and create software solutions based on their requirements.
  • Ability to work with subject-matter experts, analyze existing solutions, databases and reports and make or suggest improvements, as needed.
  • Ability to work productively without being micromanaged
  • Update developer technical reference documentation and program WIKIs
  • Experience working in an agile environment with SCRUM or Kanban
  • Identify innovative solutions for legacy applications and adapt to emerging technologies for new requirements

Basic Qualifications
  • A Master's degree in Computer Science or a related field and at least 13 years of applicable experience, or additional years of experience in lieu of degree
  • SCRUM Master certification
  • 10 years of experience developing web applications using Microsoft C#
  • 5 years of front-end development experience with JavaScript, AJAX, JSON, CSS and XHTML, preferably HTML5/CSS3
  • 5 years of experience with jQuery and at least one additional modern JavaScript SPA framework, such as React Vue, Angular, or Blazor
  • Ability to debug web pages (layout, JavaScript, AJAX) using browser developer tools
  • 5 years of experience with RestAPI end-points
  • Experience with .Net Core and above
  • Experience with Test Driven Development (TDD)
  • Must be able to pass a USCP Background Check.

Preferred Qualifications
  • Expertise with web development using Microsoft tools to include Visual Studio, VS Code, Azure Data Studio, Azure DevOps, Microsoft IIS Server, and SQL Server Management Studio
  • Experience with Windows Desktop applications using WPF, UWP, WinUI, Maui, or Uno
  • A firm understanding of database design fundamentals, including table design and normalization, query writing using SQL, and database and query optimization
  • Knowledge of developing cross-browser and cross-platform compatible solutions
  • Experience working with a relational database such as Microsoft SQL Server, Oracle
  • Experience debugging errors and ability to analyze application errors logs on server or database
  • Knowledge of Dependency Injection and Inversion of Control
  • Ability to develop in Visual Studio with Azure DevOps
  • A solid understanding of the principles of GIT
  • Experience with Entity Framework Core (Preferred)
  • Ability to create attractive, highly user-friendly, reactive user interfaces using Bootstrap 5 and/or Material UI (Preferred)
  • Knowledge of Node Package Manager (NPM) and WebPack (Preferred)
  • Understanding of LESS or SASS (Preferred)
  • Ability to analyze application requirements
  • Understanding of Web Accessibility and be able to demonstrate work that conforms to accessibility guidelines
  • Ability to configure, troubleshoot, and optimize IIS installations/applications
  • Knowledge of emerging web technologies
  • CompTIA Security+

Evolver is an equal opportunity employer and welcomes all job seekers. It is the policy of Evolver not to discriminate based on race, color, ancestry, religion, gender, age, national origin, gender identity or expression, sexual orientation, genetic factors, pregnancy, physical or mental disability, military/veteran status, or any other factor protected by law.
Actual salary will depend on factors such as skills, qualifications, experience, market and work location. Evolver offers competitive benefits, including health, dental and vision insurance, 401(k), flexible spending account, and paid leave (including PTO and parental leave) in accordance with our applicable plans and policies.

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