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Reston, Virginia

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Today

Position: Senior .NET Developer Location: Remote Experience: 10+ Years Work type: C2C only Visa Type: and Job Summary PETADATA is seeking an experienced Senior .NET Developer with 10+ years of hands-on experience in designing, developing, and maintaining enterprise-grade applications. The ideal candidate is technically strong, comfortable making architectural decisions, and capable of mentoring junior developers while working closely with cross-functional teams. Roles & Responsibilities: Des

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Full-time, Contract, Third Party

Senior .NET Developer

Washington, District of Columbia

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19d ago

We are seeking an experienced Senior Full Stack .NET Application Developer to join our development team. This role is responsible for designing, building, and maintaining scalable, high-performing web applications using a modern Microsoft technology stack, including .NET 8 / ASP.NET Core, C#, Web APIs, Angular (16+), Entity Framework Core, and SQL Server. The Senior Developer will contribute across the full application lifecyclefrom database design and API development to front-end implementation

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Contract

Depends on Experience

Senior .NET Developer

Remote

•

Today

Job ID: 2512502 Location: REMOTE WORK, VA, US Date Posted: 2026-02-05 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is searching for a motivated, career and customer-oriented Senior Software Systems Engineer (.NET Developer) who performs high-level, day-to-day development solutions to join our team and beg

Full-time

USD 120,001.00 - 160,000.00 per year

Senior .NET Developer

Remote

•

Today

Location:Remote -- must live within the Southeastern US and be open to occasional travel Type:Full-time | Direct Hire | Permanent Compensation:up to $130,000 base + 5% bonus (depending on experience) Benefits: Comprehensive healthcare coverage (medical, dental, vision, life, supplemental)Short- and Long-Term Disability (STD/LTD)HSA & FSA optionsPaid Time Off (PTO)401(k) retirement plan About the Role: We are seeking a Senior .NET Engineer to join a small, high-impact R&D engineering team foc

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Full-time

Up to $130,000

Senior .NET Developer

Remote

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6d ago

Position Title Senior .NET Developer Role Summary The Senior .NET Developer will design and build the core verification APIs for a cloud-native platform that centralizes and automates employment and work-requirement verification. This role focuses on backend API development, integration with external verification sources, and the implementation of policy-driven business rules that can evolve as program requirements change. A key emphasis of this role is ensuring that verification logic is transp

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Contract

$75 - $80

Senior .NET Developer- VHA Finance

Remote

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Today

Senior .NET Developer Location: Remote Description: Seeking a Senior .NET Developer to design, develop, and maintain high-quality software solutions. This role requires expertise in software architecture, coding best practices, and modern development frameworks. The ideal candidate will have a strong background in full-stack development, cloud computing, and Agile methodologies, working closely with cross-functional teams to deliver scalable and efficient software solutions. Job Responsibili

Full-time

Senior .NET Developer

Remote

•

Today

Location: Remote -- must live within the Southeastern US and be open to occasional travel Type: Full-time | Direct Hire | Permanent Compensation: up to $130,000 base + 5% bonus (depending on experience) Benefits: Comprehensive healthcare coverage (medical, dental, vision, life, supplemental)Short- and Long-Term Disability (STD/LTD)HSA & FSA optionsPaid Time Off (PTO)401(k) retirement plan About the Role: We are seeking a Senior .NET Engineer to join a small, high-impact R&D engineering team foc

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Full-time

Up to $130,000

Sr .Net Developer

Remote

•

Today

6 MONTH CTH REMOTE- EST/CST RESIDENTS WILL ONLY BE CONSIDERD VENDORS WILL NOT BE CONSIDERED SR .NET DEVELOPER Design, develop, and maintain high-quality, production-grade software solutions aligned with enterprise standards, using Microsoft .NET (Framework and .NET Core), C#, SQL Server, and integrated system components.Contribute across all phases of the software development lifecycle, ensuring adherence to documented processes, coding standards, and quality guidelines.Collaborate with cross-

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Full-time

$0 - $0

Sr .Net Developer

Remote

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18d ago

.NET, C# programming languages Experience with maintaining Windows Servers Past Experience working in SQL Databases Past Experience working in Oracle Databases Past Experience with API development Good to Have Facets Experience

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Full-time

100,000 - 120,000

Senior .NET Developer with strong MuleSoft integration experience

Remote

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Today

C#, .NET Core / ASP.NET Web API MuleSoft Anypoint Platform (Mule 4, DataWeave) REST API design & integration patterns OAuth 2.0, JWT SQL / NoSQL databases Git, Agile/Scrum Apigee (Edge / Apigee X) for API management Microservices architecture Cloud (Azure / AWS / Google Cloud Platform) CI/CD (Azure DevOps, GitHub)

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Contract, Third Party

Depends on Experience

Sr Full Stack .NET Developer

Remote or Wisconsin

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Today

Senior Full Stack .NET Engineer E-Commerce Integration MARS Solutions Group is partnering with a leading provider of technology, equipment, and services supporting senior living and healthcare organizations nationwide. We are seeking a Senior Full Stack .NET Engineer to join a critical e-commerce integration project. Contract: 3 months, 40 hrs/week Location: 100% Remote Potential Extension: Possible based on project roadmap This is a hands-on development role focused on enhancing an existin

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Contract, Third Party

$90

Senior Full Stack .NET / Angular Developer (Healthcare / FHIR)

Remote or Nashville, Tennessee

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Today

Job Title Senior Full Stack .NET / Angular Developer (Healthcare / FHIR) Job Location Remote Duration- FTE Experience level- 10+ years Mandatory Skills .Net, Angular 16+ , Smart on FHIR, FHIR-compliant APIs Job Description Seeking a Senior Full Stack Developer to design, develop, and own end-to-end workflows or features in healthcare applications using .NET 4.8, Angular 17+, and SQL Server. Must deliver high-quality, maintainable, and scalable code following design patterns, SOLID principl

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Full-time, Contract

.Net Full Stack Developer (Senior)

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Full-time

USD 98,500.00 - 184,900.00 per year

Senior .NET Developer (Azure/Sharepoint)-Remote

Hybrid in Washington, District of Columbia

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6d ago

Role: Senior .NET Developer (Azure/SharePoint) Duration: 1 year Location: Remote Overview: We are seeking a highly experienced and hands-on Senior .NET Developer with 11+ years of deep expertise in modern Microsoft technologies. The ideal candidate will have a proven track record of delivering scalable, secure, and high-performance applications using the latest .NET frameworks, Azure services, and enterprise integration patterns. This role requires strong architectural insight, clean coding

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Third Party, Contract

Senior Software Engineer (.Net) - (US - Remote)

Remote or Reston, Virginia

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8d ago

*We are open to supporting 100% remote work anywhere within the United States. Must be able to support Eastern Time Zone* As a Senior Software Engineer at ICF you play the central role in driving innovation and using technology to drive connections through a multi-channel experience. If you have an incredible passion for innovative technology development and enjoy working with clients, ICF is the place for you. You should have experience with common development tools, techniques, and numerous pr

Full-time

USD 98,614.00 - 167,644.00 per year

Senior Software Engineer (.NET Full Stack Dev)

Washington, District of Columbia

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Today

Overview The Senior Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy appl

Full-time

Depends on Experience

Senior C# Developer

Washington, District of Columbia

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Today

Description We are seeking a Senior C# / .NET Developer to support full-lifecycle development of custom enterprise applications in a mission-critical, highly visible environment. This role is ideal for a seasoned developer who is customer-focused, self-directed, and comfortable working onsite in a collaborative setting. You will work closely with program leadership, business analysts, and engineering teams to translate business and mission requirements into high-quality technical solutions. Str

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Contract

USD 65.00 - 70.00 per hour

Senior Full-Stack Application Developer

Washington, District of Columbia

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26d ago

Centurion Consulting Group is seeking an experienced Senior Full-Stack Application Developer to join our onsite development team in Washington, DC. This role will be responsible for building, enhancing, and maintaining enterprise-grade web applications using a modern Microsoft-centric technology stack. The ideal candidate is a seasoned developer with strong analytical skills, deep hands-on experience across the full stack, and the ability to collaborate effectively in a fast-paced Agile environm

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Contract

140,000 - 150,000

Lead .NET Developer

Remote

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3d ago

Experience: 2+ years as a lead developer. 5+ years of broad experience working with development technologies including Microsoft .NET (C#), , WCF/WebAPI, SQL Server, JavaScript frameworks (Angular, Knockout, etc.), REST, XML, JSON, HTML, Python, and CSS. Candidates with resumes reflecting experience converting legacy (DB2, COBOL, CA-GEN, FOCUS, etc.) to modern technology will be given preference.

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Contract

Depends on Experience

Sr. Software Developer

Alexandria, Virginia

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Today

Title: Sr. Software Developer Location: Alexandria, VA Duration: FTE Prioritize on: Java Linux AWS .NET These are the base requirements from our contract: Independently perform senior level cloud-native applications analysis, design, development, innovative problem-solving, and integration with custom applications and packaged software for the benefit of NTIS' applications and other legacy systems. Leverage ASP.Net, C#, JavaScript, Java and SQL to deliver solutions. Replace current code and sy

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Full-time, Contract

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