Top 227 Senior .net application developer Jobs in Washington, Dc

Senior .NET Developer
Prime Source Technologies —Vienna, VA
- $140,000 - $175,000 a year
- Full-time
- Computer Science
- Office
- SQL
- Health savings account
- Health insurance
Quick Apply
Senior Front-End Developer
CGI Group, Inc. —Fairfax, VA
- $80,600 - $176,300 a year
- Office
- AWS
- Senior level
- Paid parental leave
- Paid holidays
Senior .NET Developer
IvoryCloud —Rockville, MD
- $120,000 - $145,000 a year
- Full-time
- Computer Science
- System design
- Office
- Paid training
- Disability insurance
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21h
Database Engineer/Administrator
Leidos —Springfield, VA
- $131,300 - $237,350 a year
- Full-time
- Windows
- Master's degree
- SQL
Web Developer Senior
CACI —Chantilly, VA
- $103,800 - $218,100 a year
- Full-time
- 7 years
- Computer Science
- Research
- Health insurance
Senior .NET Developer
Clearwaters.IT —Washington, DC
- $125,000 - $132,000 a year
- Remote
- Computer science
- Azure
- Computer Science
- AD&D insurance
- Health insurance
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Senior .NET Developer
Evolver Inc —Washington, DC
- $135,000 - $165,000 a year
- Full-time
- Hybrid work
- Background check
- Azure
- Computer Science
- Health insurance
- Dental insurance
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Sr Software developer (.net)
Kamsa —Washington, DC
- Computer science
- Computer Science
- Bachelor of Science
TS/SCI Cleared Software Developer - Senior
Amentum —Fort George G Meade, MD
- $145,000 - $153,000 a year
- Full-time
- Software troubleshooting
- Office
- Master's degree
- Health savings account
- Relocation assistance
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Application Developer Lead (.NET) - (Remote)
FEI Systems —Columbia, MD
- Full-time
- Remote
- System design
- AWS
- Bachelor's degree
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Senior Software Development Engineer
CVS Health —Washington, DC
- $83,430 - $222,480 a year
- Full-time
- Remote
- Azure
- Bachelor's degree
- JavaScript
- Health insurance
- Dental insurance
Senior .Net Developer
Donan Consulting —Washington, DC
- System design
- Bachelor's degree
- Scripting
Quick Apply
Senior Software Engineer/Data Engineer
Press Ganey —Washington, DC
- $100,000 - $130,000 a year
- Full-time
- 6 years
- SQL
- Bachelor's degree
Quick Apply
Senior .NET Developer
Two95 International Inc. —Washington, DC
- Contract
- Senior level
- Under 1 year
Quick Apply
Senior Software Engineer
Alesig Consulting LLC —Andrews AFB, MD
- Computer Science
- SQL
- AWS
11d
Applications Developer Senior (.NET)
AHU Technologies Inc —Washington, DC
- $61 - $68 an hour
- Full-time
- Hybrid work
- 11+ years
- Research
- Java
- Work from home
Quick Apply
Tech Lead (Remote)
FEI Systems —Columbia, MD
- Full-time
- Remote
- System design
- AWS
- Bachelor's degree
Quick Apply
Senior .NET Developer
Mobomo, LLC —Washington, DC
- Full-time
- Azure
- 5 years
- Office
- Paid time off
Quick Apply
Appian Developer- Remote
ICF —Reston, VA
- $98,614 - $167,644 a year
- Full-time
- Remote
- Mid-level
- 3 years
- Java
Senior Full Stack .NET Developer with Azure/Angular (On Site)
Cognizant —Washington, DC
- $68,000 - $140,000 a year
- Full-time
- Hybrid work
- Office
- Windows
- SQL
- Paid parental leave
- Employee stock purchase plan

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senior .net application developer jobs near washington, dc

Senior .NET Developer

Prime Source Technologies
Vienna, VA

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Job Details

Full-time
$140,000 - $175,000 a year

Benefits

Health savings account
Health insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Employee assistance program
Vision insurance
401(k) matching
Life insurance
Retirement plan

Qualifications

ArcGIS
Containerization systems
Performance tuning
Software engineering
Enterprise software
.NET Core
System performance optimization
Microservices
Stored procedures
SQL
Bachelor's degree
Cloud development
Improving database performance
Cloud Native Design
Software development
Front-end component implementation
DevOps automation
System tuning
Data performance optimization
AI
Entity Framework
T-SQL

Full Job Description

Prime Source Technologies (PST) is seeking a skilled and motivated Senior (expert level) “.NET Core” Developer to design, develop, and optimize modern, high-performance, and scalable enterprise applications. This role requires deep technical expertise in .NET Core and related Microsoft technologies, along with strong knowledge of cloud-native development, modern front-end frameworks, microservices, and DevOps practices. The job location is in Northern Virginia (Initially 3 days' work from the office). The Senior .NET Core Developer will collaborate closely with Project Managers, Architects, Testers, and UI/UX designers to deliver cutting-edge solutions using the latest technologies and best practices.

POSITION DESCRIPTION:

Design, develop, and maintain robust, scalable, and secure applications using C#, ASP.NET Core (.NET 8+) Blazor and Razor Pages

Design and implement RESTful APIs and GraphQL endpoints for cross-platform integration.

Build microservices-based applications with containerization (Docker, Kubernetes).

Integrate applications with Azure services (Azure Functions, Azure App Service, Azure SQL Managed Instance, Azure Service Bus, Azure Storage, etc.).

Implement clean architecture principles and domain-driven design (DDD).

Optimize application performance, security, and scalability.

Collaborate with UI teams building responsive and dynamic interfaces using Blazor.

Maintain CI/CD pipelines using Azure DevOps or GitHub Actions.

Ensure high-quality code via unit testing, integration testing, and automated test frameworks. Ø Apply secure coding practices (OWASP guidelines, authentication & authorization with Identity Server or Azure AD).

Write architecture and design documents as needed.

Mentor junior developers and participate in peer code reviews.

REQUIREMENTS:

Minimum bachelor’s degree in computer science, Engineering, or related field.

10+ years of professional software development experience, with at least 3 years in .NET Core in a large, enterprise project

Expert in C#, ASP.NET Core, Entity Framework Core, and LINQ.

Experience in microservices architecture and containerized deployments (Docker, Kubernetes).

Hands-on and extensive experience with cloud platforms (Azure preferred).

Proficiency in SQL Server (T-SQL, stored procedures, triggers, performance tuning).

Experience with message brokers (Azure Service Bus, RabbitMQ, Kafka).

Extensive experience with front-end frameworks (Blazor/Razor).

Experience with DevOps and CI/CD workflows.

Excellent problem-solving and communication skills.

Nice to Have

Experience with AI/ML integration in .NET applications.

Experience with event-driven architecture and CQRS pattern.

Experience with ArcGIS or GIS-based systems.

Experience with Angular or React

EDUCATION/ TRAINING/ CERTIFICATIONS:

Bachelor's degree in Computer Science, Engineering or related fields

Microsoft certification, Cloud and AI certification is highly desired

EOE Statement
We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, disability status, protected veteran status or any other characteristic protected by law.

Job Type: Full-time

Pay: $140,000.00 - $175,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Retirement plan
Tuition reimbursement
Vision insurance

Education:

Bachelor's (Required)

Ability to Commute:

Vienna, VA 22182 (Required)

Work Location: In person

Quick Apply

Refine Your Search

senior .net application developer jobs in washington, dc

Senior .NET Developer

Senior Front-End Developer

Senior .NET Developer

Database Engineer/Administrator

Web Developer Senior

Senior .NET Developer

Senior .NET Developer

Sr Software developer (.net)

TS/SCI Cleared Software Developer - Senior

Application Developer Lead (.NET) - (Remote)

Senior Software Development Engineer

Senior .Net Developer

Senior Software Engineer/Data Engineer

Senior .NET Developer

Senior Software Engineer

Applications Developer Senior (.NET)

Tech Lead (Remote)

Senior .NET Developer

Appian Developer- Remote

Senior Full Stack .NET Developer with Azure/Angular (On Site)

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