Software developer jobs in Ashburn, VA and nearby

Within 25 miles

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Added 21 days ago
AI Native Software Developer
LEIDOS, INC.
Reston, VA
Leidos is seeking a Jr level, AI Software Developer to join the Airports, Borders, and Security (AB&S) Business Area within the Homeland Sector, building the Travel & Customs Orchestration…
Added 22 days ago
C++ Software Developer
ManTech
Arlington, VA
MANTECH seeks a motivated, career and customer-oriented C++ Software Developer to join our team in Arlington, VA . This is a full-time, onsite position.
Added 22 days ago
Senior Salesforce Application Developer
Steampunk
McLean, VA
Must have proven knowledge and practical application of Visualforce, APEX programming, Force.com APIs, and Web Services
Added 22 days ago
Senior Software Developer - Systems & UX Design
BAE Systems
McLean, VA
We are hiring a Senior Software Developer to act as a technical pillar across our multi-disciplinary portfolios. This position is a senior role focused on Systems & UX Design. You will own…
Added 22 days ago
Senior Software Developer - AI Harness Development
BAE Systems
McLean, VA
We are hiring a Senior Software Developer to act as a technical pillar across our multi-disciplinary portfolios. This position is a senior role focused on AI Harness Development. You will…
Added 22 days ago
Software Developer - SME
Peraton
Herndon, VA
Must have the ability to obtain / maintain a Public Trust clearance
Added 22 days ago
Software Developer
CACI, INC.-FEDERAL
Arlington, VA
CACI is seeking a Software Developer with experience in Momentum Financials to support a Department of Defense (DoD) financial modernization initiative. This role is part of a…
Added 22 days ago
Senior Software Developer
CACI, INC.-FEDERAL
Arlington, VA
Willingness to work on-site in Rosslyn, VA, up to five days per week
Added 22 days ago
Software Developer
CACI
Arlington, VA
CACI is seeking a Software Developer with experience in Momentum Financials to support a Department of Defense (DoD) financial modernization initiative. This role is part of a…
Added 22 days ago
Senior Software Developer
CACI
Arlington, VA
Willingness to work on-site in Rosslyn, VA, up to five days per week
Added 23 days ago
Software Developer (Power Platform)
Avanza LLC
Arlington, VA
Employees must reside within a commutable distance of our headquarters in Arlington VA
Added 23 days ago
Senior Application Programmer / Java Developer
Revolutional, LLC
McLean, VA
Revolutional is seeking a skilled Senior Application Programmer / Java Developer to support a federal government client in a dynamic, agile development environment. This role is responsible…
Added 23 days ago
Software Developer - Database Administrator - Senior
Amentum
Chantilly, VA
We are seeking a talented and experienced Senior Software Engineer/Database Administrator to join our dynamic team. The ideal candidate will have over 10 years of software development…
Added 23 days ago
Mobile Application Developer
ManTech
Ashburn, VA
The Mobile Application Developer will design, develop, and maintain secure, high-performance mobile applications. These applications are critical to supporting U.S. Customs and Border…
Added 23 days ago
WW
Software Developer SME
World Wide Technology Holding, LLC
Chantilly, VA
- $170,000 to $180,000 USD / year
WWT is seeking a Software Developer – Subject Matter Expert (SME). This individual serves as the principal authority for enterprise software architecture, development standards, application…
Added 23 days ago
Application Developer - Java
Reinventing Geospatial, Inc. (RGi)
Herndon, VA
Applicant selected must possess, at minimum, a current TS clearance (with a current background investigation)
Added 23 days ago
Pega Application Developer
Accenture Federal Services
Arlington, VA
We’re seeking a Mid‑Level Pega Developer to design, build, and enhance Pega applications that support critical business processes. This role is ideal for someone with hands‑on development…
Added 24 days ago
Software Developer - UI/UX
Amentum
Chantilly, VA
We are seeking a talented and detail-oriented Front-End Developer to join our team and help build intuitive, responsive, and accessible user interfaces for our web applications. This role…
Added 24 days ago
Senior Software Developer
Amentum
Chantilly, VA
We are seeking a talented and experienced Senior Software Engineer to join our dynamic team. The ideal candidate will have over 10 years of software development experience with a strong…
Added 24 days ago
Senior Software Developer
Amentum
Arlington, VA
We are seeking a talented and experienced Senior Software Engineer to join our dynamic team. The ideal candidate will have over 10 years of software development experience with a strong…
Added 24 days ago
Senior Salesforce Application Developer
Steampunk
McLean, VA
Must have proven knowledge and practical application of Visualforce, APEX programming, Force.com APIs, and Web Services
Added 25 days ago
Software Developer
Trinzic
Dulles, VA
Added 25 days ago
ServiceNow Application Developer / Programmer Senior
General Dynamics Information Technology
Falls Church, VA
The Application Developer Principal must have:
Added 25 days ago
Software Developer
CACI International
Springfield, VA
includes full-stack information systems implementation, change management efforts or business process redesign and must possess a security clearance · Must have a TS/SCI to begin employment and then be able to obtain and maintain a CI Poly within 30 days of hire
Added 25 days ago
Senior Principal Software Developer
CACI International
Springfield, VA
Job Title: Senior Principal Software Developer

CACI International

Full Stack Software Developer with C#/.NET Expertise

McLean, VA, United States

$90,300-$189,600 · Full-time

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Job details

Pay: $90,300-$189,600
Job type: Full-time
Experience: At least 7 years of experience developing and/or deploying software on high side environments
Posting language: English
Posted: Jun 16, 2026

Original job description

Job Title: Full Stack Software Developer with C#/.NET Expertise

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and future mission needs and opportunities as well as developing and implementing those initiatives. If you are a Full Stack Software Developer with C#/.NET Expertise, this is an opportunity to elevate your career with CACI and own something important with a good deal of visibility and responsibility.

You’ll be working within an Agile development construct on a dynamic team. In addition to C#/.NET expertise we’ll need to you rate yourself close to expert level experience with Angular JS, TypeScript, and JavaScript.

Responsibilities:

Develop and maintain web applications using C#, Angular JS and TypeScript
Collaborate with team and customer to define, design, and deliver new features and enhancements
Ensure the performance, quality, and responsiveness of applications
Identify and correct bottlenecks and fix bugs
Help maintain code quality, organization, and automation
Participate in code reviews and provide constructive feedback to other developers
Stay up-to-date with emerging technologies and industry best practices

Qualifications:

Required:

TS/SCI with Polygraph Clearance required
Bachelor’s degree in Computer Science or related field
At least 7 years of experience developing and/or deploying software on high side environments
Must be proficient or above in:
C#, .NET. JavaScript, HTML, CSS, Angular Material UI components
Node.js and TypeScript
Excellent problem-solving skills and attention to detail, and demonstrate working with a sense of urgency
Excellent communication and experience working directly with customers on requirements and concepts, and ability to facilitate and maintain strong working customer relationships
Ability to learn and apply functional concepts very quickly

Desired:

Able to plan strategically and execute your work within an Agile development construct and work independently
Ability to work independently and demonstrate good critical thinking and decision making

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$90,300-$189,600

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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More about this job

Skills

C#
.NET
Agile development
TypeScript
JavaScript
Give constructive feedback
Computer science
HTML
CSS
Node.js
Problem solving
Attention to detail
Communication skills
Customer relations
Work independently
Critical thinking
Decision making

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Software developer jobs in Ashburn, VA and nearby