Top 84 Sr. .net architect/developer Jobs in Arlington, Va

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
Application Architect
System One —Bethesda, MD
- $170,000 - $190,000 a year
- Computer Science
- System design
- Office
- Health insurance
- Dental insurance
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C#/.NET Developer
E-Infosol LLC —Washington, DC
- $151,000 - $159,400 a year
- Full-time
- Azure
- 3 years
- SQL
- Health savings account
- AD&D insurance
11d
.NET and Azure Architect
Solution Street —Herndon, VA
- Full-time
- Remote
- Azure
- 8 years
- SQL
- Disability insurance
- Dental insurance
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Sr. .NET Full Stack Developer
Applied Information Sciences —Washington, DC
- $117,000 - $177,000 a year
- Full-time
- 8 years
- SQL
- Bachelor's degree
C# / .Net Developer
Synergy ECP —Washington, DC
- $125,000 - $155,000 a year
- Full-time
- Azure
- 3 years
- SQL
- Paid holidays
- Health insurance
Quick Apply
11d
Jr & Sr .NET Developer
SLS Solutions —Vienna, VA
- Email
- Office
- SQL
- Senior level
Senior .Net Developer
Improvix Technologies —Washington, DC
- $160,000 - $180,000 a year
- Full-time
- Computer science
- Microsoft Outlook
- Computer Science
- Paid training
- Commuter assistance
Quick Apply
Senior .NET Developer
Prime Source Technologies, LLC —Vienna, VA
- Full-time
- Computer Science
- Office
- Machine learning
Engineering Lead & Principal Architect (.NET)
Pioneering Evolution —Arlington, VA
- Full-time
- System design
- Mentoring
- Senior level
- AD&D insurance
- Paid holidays
Senior .Net Full-Stack Developer
Koniag Government Services —Washington, DC
- $95,000 - $120,000 a year
- Full-time
- 8 years
- Analysis skills
- Bachelor's degree
- Paid holidays
- Health insurance
5d
Engineering Lead & Principal Architect (.NET)
Pioneering Evolution LLC —Arlington, VA
- Full-time
- System design
- Mentoring
- Senior level
- AD&D insurance
- Paid holidays
Quick Apply
.NET C# Developer
Cayuse Holdings —Washington, DC
- $145,000 - $151,258 a year
- Full-time
- Background check
- Computer science
- Microsoft Excel
- Wellness program
- AD&D insurance
Quick Apply
11d
Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)
IvoryCloud —Rockville, MD
- $110,000 - $140,000 a year
- Full-time
- Hybrid work
- Computer Science
- Office
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
9d
Backend Software Engineer Lead (US Citizen/Secret Clearance Required)
IvoryCloud —Rockville, MD
- $145,000 - $175,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- System design
- Health insurance
- Dental insurance
Quick Apply
9d
Software Engineer
Leidos —Virginia
- $131,300 - $237,350 a year
- Full-time
- Hybrid work
- Azure
- System design
- 11+ years
.NET Developer
Government Contract Inc —Alexandria, VA
- $140,000 - $170,000 a year
- Full-time
- Azure
- Software troubleshooting
- SQL
- Health insurance
- Dental insurance
Quick Apply
XSLT and .Net Developer
Newport Hall —Washington, DC
- Full-time
- Computer Science
- Research
- Mid-level
.NET Full Stack Developer, Senior
Cayuse Holdings —Washington, DC
- $145,000 - $151,258 a year
- Full-time
- Background check
- Microsoft Excel
- Computer Science
- Wellness program
- AD&D insurance
Quick Apply
JavaScript developer / Architect - Bethesda, MD
Two95 International Inc. —Bethesda, MD
- Contract
- Mid-level
- Java
- US work authorization
Quick Apply

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sr. .net architect/developer jobs near arlington, va

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

sr. .net architect/developer jobs in arlington, va

Senior .NET Developer

Application Architect

C#/.NET Developer

.NET and Azure Architect

Sr. .NET Full Stack Developer

C# / .Net Developer

Jr & Sr .NET Developer

Senior .Net Developer

Senior .NET Developer

Engineering Lead & Principal Architect (.NET)

Senior .Net Full-Stack Developer

Engineering Lead & Principal Architect (.NET)

.NET C# Developer

Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)

Backend Software Engineer Lead (US Citizen/Secret Clearance Required)

Software Engineer

.NET Developer

XSLT and .Net Developer

.NET Full Stack Developer, Senior

JavaScript developer / Architect - Bethesda, MD

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