Top 5130 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
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Senior Software Engineer
Freddie Mac —McLean, VA
- $129,000 - $193,000 a year
- Full-time
- Computer Science
- 5 years
- System design
Application Developer
CGI Group, Inc. —Washington, DC
- $69,700 - $169,700 a year
- Oracle
- Computer Science
- ERP systems
- Paid parental leave
- Paid holidays
Python Developer
BusinessObject Solutions, Inc. —McLean, VA
- $100,000 - $130,000 a year
- Full-time
- Computer science
- CPA
- Computer Science
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Sr. Application Developer - ServiceNow
WSSC Water —Laurel, MD
- $108,233 - $184,288 a year
- Full-time
- 6 years
- Office
- High school diploma or GED
Application Developer
VivusTech —Chantilly, VA
- Full-time
- Computer Science
- Mid-level
- Master's degree
Application Developer
PEOPLE TECHNOLOGY AND PROCESSES LLC —Alexandria, VA
- Remote
- Azure
- 5 years
- APIs
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Web Developer
Crimson Phoenix —Herndon, VA
- $127,399 - $196,000 a year
- Full-time
- Mid-level
- Java
- IT
- Disability insurance
- Health insurance
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Frontend Developer
Lucky Rabbit —Washington, DC
- $120,000 - $140,000 a year
- Full-time
- Remote
- Mid-level
- 3 years
- Analysis skills
- Health insurance
- Dental insurance
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4d
Mobile Application Developer
Bixal —Fairfax, VA
- $120,000 - $130,000 a year
- Full-time
- Remote
- Computer Science
- Mid-level
- Java
- Commuter assistance
- Paid holidays
WEB FRONT-END DEVELOPER (Mid-Level)
Donan Consulting —Washington, DC
- Mid-level
- Scripting
- SharePoint
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Mobile Developer
ViedTech —Washington, DC
- Contract
- Remote
- Mid-level
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AWS API Developer
ViedTech —Washington, DC
- Contract
- Mid-level
- Python
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Web Developer
Greystones Group —Washington, DC
- Software troubleshooting
- Mid-level
- Master's degree
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Salesforce Application Developer
Steampunk —McLean, VA
- $85,000 - $160,000 a year
- Remote
- Mid-level
- Bachelor's degree
- Agile
Application Engineer Level I - Developer
Evurge Solutions —Washington, DC
- Full-time
- Remote
- Mid-level
- 3 years
- Bachelor's degree
.Net Developer III
CEDENT —Washington, DC
- Contract
- 7 years
- Computer Science
- Office
WEB FRONT END DEVELOPER
Donan Consulting —Washington, DC
- Mid-level
- Communication skills
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Web Application Developer
Edgewater Federal Solutions, Inc. —Germantown, MD
- $110,000 - $130,000 a year
- Full-time
- Remote
- 5 years
- English
- Analysis skills
- AD&D insurance
- Paid holidays
Junior Full Stack Developer
ASSYST, Inc. —Sterling, VA
- SQL
- Analysis skills
- Communication skills
- Disability insurance
- Health insurance
Quick Apply

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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 experience
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

Application Developer jobs in Washington, DC

Senior .NET Developer

Senior Software Engineer

Application Developer

Python Developer

Sr. Application Developer - ServiceNow

Application Developer

Application Developer

Web Developer

Frontend Developer

Mobile Application Developer

WEB FRONT-END DEVELOPER (Mid-Level)

Mobile Developer

AWS API Developer

Web Developer

Salesforce Application Developer

Application Engineer Level I - Developer

.Net Developer III

WEB FRONT END DEVELOPER

Web Application Developer

Junior Full Stack Developer

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