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Alexandria • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Alexandria • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Alexandria • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Alexandria • 50 milesRemote · Hybrid · Onsite · Field · All Environments

1,013 csharp jobs at 348 companies in Alexandria, VA

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1mo

Full Stack Web Developer

Fort Meade, Maryland, United States

$104k-$218k/yr OnsiteFull Time

CACI

CACINYSE: CACI: Provides information technology and professional services to government clients.

5+ YOEActive TS/SCI with Polygraph and US citizenship; 5+ years web development; 2+ years modern JavaScript frameworks; experience with CMS, CI/CD, REST, Git, NoSQL, AWS Lambda/API Gateway, ASP.NET/C#, SQL, and Agile.

Angular, React, Vue, WordPress, Joomla, Drupal, SharePoint, CI/CD, REST, Git, NoSQL, AWS Lambda, AWS API Gateway, AWS, S3, Visual Studio, ASP.NET, C#, JavaScript, SQL, OAuth 2.0, OpenID Connect, SAML, US Web Design System, Material Design

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2mo

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2mo

Principal Software Engineer (AHT)

Hollywood or Hollywood or Hollywood

$114k-$171k/yr OnsiteFull Time

Northrop Grumman

Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.

5+ YOEBachelor's in STEM with 5+ years of relevant experience; or 3+ years with a Master’s; DoD Secret Clearance with potential for Top Secret; Agile/CI/CD; Scrum Master; C# and/or Java; Windows tech; automated testing; DoD testing and DOORS tools; on-site Hollywood, MD.

C#, Java, Windows, Jenkins, Bamboo, Python, PowerShell, Typescript, Git, Bitbucket, DOORS, TestComplete

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3mo

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3mo

Senior Software Engineer – Backend

Arlington, Virginia, United States

$120k-$206k/yr HybridFull Time

CaseGuard

CaseGuard: Provides AI-powered redaction software for video, audio, and documents.

6+ YOE6+ years backend experience with C#, ASP.NET Core, AWS, databases, and distributed systems.

C#, ASP.NET Core, Relational Databases, NoSQL, AWS, EC2, S3, Lambda, RDS, DynamoDB, SQS, SNS, EventBridge, Terraform, CloudFormation, Docker, Kubernetes

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1w

Senior Engineer

Bethesda or Richardson or Palo Alto

$100k-$215k/yr OnsiteFull Time

GEICO

GEICO: Provides vehicle and property insurance services to consumers.

4+ YOE4+ years DevOps experience with Azure and hybrid cloud, CI/CD, containerization, infrastructure as code, Python/C#/Java, SQL/Postgres, monitoring and automation tools; bachelor’s in CS or equivalent.

Python, C#, Java, SQL, Postgres, NoSQL, Docker, Kubernetes, Azure, AWS, GCP, Helm, Terraform, GitHub, Chef, Ansible, PowerShell, App Insights, Splunk, Titan, Azure DevOps

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2w

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2w

Senior Software Engineer (C#/.NET)

Arlington, Virginia, United States

$143k-$187k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.

5+ YOE5+ years .NET (C#) experience, bachelor's degree, experience with large-scale distributed systems, cloud (AWS/Azure), RESTful APIs, telemetry/observability, and familiarity with LLMs or agent architectures.

C#, .NET, SQL Server, AWS, Web API, RESTful, ASP.NET MVC, Lambda, DynamoDB, SQS, LLMs, SQL

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3mo

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3mo

Sharepoint Developer (PIES-L4) - NGA Washington

Springfield, Virginia, United States

$140k/yr OnsiteFull Time

Masego

Masego: Provides geospatial intelligence and analysis services for government agencies.

11+ YOESenior TS/SCI cleared SharePoint developer with 11+ years of web development experience, strong SharePoint 2019/SES/SPO, Nintex, SPFX, .NET, JavaScript, React/Angular, cross-browser, accessibility, and security.

SharePoint, SPFX, Nintex, Power Platform, Power Automate, Power Apps, Power BI, JavaScript, jQuery, React, Angular, HTML, CSS, .NET, C#, SQL

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3mo

Systems Analyst II

Alexandria, Virginia, United States

$130k-$147k/yr OnsiteFull Time

KBR

KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.

4+ YOEActive Secret clearance; Bachelor's in data science/statistics/mathematics or related; 4 years OO programming (Python, Java, C++, C#, R, MATLAB, Simulink); 4 years in analyses; SQL experience; on-site, minimal travel.

Python, Java, C++, C#, R, MATLAB, Simulink, SQL

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2mo

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2mo

Data Scientist, Mid

Arlington, Virginia, United States

$78k-$176k/yr OnsiteFull Time, Part Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

Experience with machine learning, data mining, statistics or graph algorithms; programming in Python/Java/C/C++; SQL; ability to obtain a Secret clearance; bachelor's degree.

Python, Java, C++, C#, SQL, AWS, Tableau, SAS, SPSS, R, Perl

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2mo

Software Engineer (C++ / Networking)

Herndon, Virginia, United States

$90k-$110k/yr OnsiteFull Time

Cubic

Cubic: Develops defense training systems and public transit fare technology.

2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.

C++, Java, C#, Unix, Windows, IDEs

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4w

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4w

(Senior) Software Development Engineer (US Federal)

Reston, Virginia, United States

$164k-$246k/yr OnsiteFull Time

Workday

WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.

5+ YOEUS citizen with 5+ years cloud/DevOps experience (8+ for senior), strong Kubernetes, Terraform, CI/CD and programming (C#, Python, Ruby, Rust, or Go); ability to obtain/maintain TS/SCI w/CI Poly.

Kubernetes, Terraform, Argo CD, Amazon Web Services, C#, Python, Ruby, Rust, Go

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2mo

.NET Developer

Arlington, Virginia, United States

$104k-$218k/yr OnsiteFull Time

CACI International

CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.

5+ YOE5–7 years software development experience, active Secret clearance, Bachelor's in CS/related (or equivalent), proficiency in C#, .NET/ASP.NET/.NET Core, React, Razor, Microsoft SQL Server, REST, and Git; strong troubleshooting and communication skills.

C#, .NET, ASP.NET, .NET Core, React, Razor Pages, Razor Views, Microsoft SQL Server, RESTful API, Git, Microsoft Azure DevOps, Entity Framework, TypeScript

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2w

Software Engineer (C#/.NET)

Arlington, Virginia, United States

$108k-$154k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.

3+ YOEBachelor's degree,3+ years .NET (C#) development,cloud experience (AWS/Azure),REST/ASP.NET MVC,data modeling,monitoring/telemetry,LLM familiarity and strong communication skills.

C#, .NET Framework, SQL Server, AWS, Azure, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, Large language models (LLMs)

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3mo

Software Engineer

Chantilly, Virginia, United States

OnsiteFull Time

Edgesource Corporation

Edgesource Corporation: Providing mission-ready national security and IT solutions.

Active TS/SCI clearance; senior software engineering experience; .NET Core; cloud-first modernization; Agile development

NET Core, C#, JavaScript, TypeScript, Angular, Python

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1w

Director, Technology & Innovation

Reston, Virginia, United States

$180k-$220k/yr OnsiteFull Time

Electrosoft Services

Electrosoft Services: Federal cybersecurity, digital engineering, and IT solutions provider

10+ YOEBachelor's (advanced preferred),10+ years in technology innovation/cybersecurity/software engineering, experience with AI/LLMs, federal customers preferred, strong leadership and communication skills.

Generative AI, Agentic AI, Machine Learning, Intelligent Automation, Advanced Analytics, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Microsoft Copilot, Azure AI Services, OpenAI, Python, C#, Java, JavaScript

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4w

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4w

Engineer, QA Automation

Columbia or Maryland

RemoteFull Time

Verint

Verint: Provides AI-powered software for customer engagement and experience automation.

3+ YOEBS in Computer Science or equivalent; 3+ years software testing with 1+ year automation; experience with Selenium, Page Object Model, Gherkin, C#/Java; strong test design and usability skills.

Selenium, Gherkin, C#, Java, GitHub, SQL

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Web Developer Security Engineer

Washington, District of Columbia, United States

HybridFull Time

Nationwide IT Services

Nationwide IT Services: Provides IT and management consulting services to federal government agencies.

3+ YOE3+ years in application security/SSDLC, strong OWASP knowledge, vulnerability lifecycle management, DevSecOps/CI-CD integration, WAF and FIM experience, Tier II security operations, relevant application/offensive/foundational security certification.

C#, ASP.NET MVC, WCF, HTML5, CSS3, JavaScript, React, TypeScript, REST APIs, SQL, Python, Node.js, Java, GitHub Copilot, WAF, File Integrity Monitoring (FIM), SIEM, IDS/IPS, NDR, EDR, AWS, Docker, Kubernetes

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1mo

Software Developer (SME)

Herndon or McLean or Virginia or United States

$150k-$254k/yr HybridFull Time

BAE Systems

BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.

16+ YOETop Secret/SCI polygraph clearance required, U.S. person required, 16+ years software development experience, bachelor’s degree, proficiency in Java and C#, React, Node.js, TypeScript, .NET, cloud platforms, DevOps tools, and scripting (Python or PowerShell).

Java, C#, React, Node.js, TypeScript, .NET, AWS, Azure, Google Cloud, Oracle, Jira, GitHub, Jenkins, Python, PowerShell, Windows, Linux, Ansible

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Sr. Software Architect

Reston or United States

$195k-$210k/yr HybridFull Time

Applied Information Sciences

Applied Information Sciences: Delivers cloud transformation and software engineering services to organizations.

2+ YOEMaster's in CS/CIS or related, 2 years as a senior software developer, experience designing enterprise-scale distributed systems, proficiency with C#, .NET/.NET Core, cloud platforms, modern front-end frameworks, CI/CD, and security best practices.

C#, .NET, .NET Core, Angular, React, Microsoft Visual Studio, Git, GraphQL, Hasura, Microsoft Azure, AWS, Google Cloud Platform, Microsoft Azure DevOps, GitHub Actions, Apache Airflow, AKS, Docker

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3mo

.Net / C# Developer - Senior

Fort Belvoir, Virginia, United States

OnsiteFull Time

Evans & Chambers Technology

Evans & Chambers Technology: Develops technology solutions and software for national defense missions.

8+ YOEEight years in .NET development; five years in SDLC; testing experience; SQL database development; mentoring; defect tracking.

.NET, C#, MVC, IIS, SQL, SDLC

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Embedded Software Dev Engineer II, Amazon Leo for Government - Leo Modem Module Software Team

Redmond or Arlington or Northridge

$144k-$194k/yr OnsiteFull Time

Amazon

AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.

2+ YOEU.S. citizen required. Bachelor's in CS/Engineering or related; 2+ years professional software development experience designing/developing multi-threaded embedded or distributed systems using C#, C++, Java, or Perl; experience with RTOS/Embedded Linux and hardware-software integration.

C#, C++, Java, Perl, TCP/IP, UDP, logic analyzers, oscilloscopes

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