.Net Developer Jobs in Ashburn, VA

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101 - 120 of 124 Jobs

.Net Architect (14+ Exp.)

Swanktek

•

Remote

Full-time

Architecting and Designing Applications: Design, develop, and implement solutions using .NET technologies on Azure, ensuring scalability, security, and performance. Application Modernization and Migration: Lead initiatives to modernize existing applications and migrate them to Azure, utilizing techniques like microservices and serverless architecture. Collaboration and Communication: Work closely with business stakeholders, development teams, and infrastructure teams to define requirements and e
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Posted 17 days ago

Lead Dot Net with MAUI (Xamarin)

Primesoft, Inc

•

Remote

Contract

Role: Lead .NET with MAUI (Xamarin) Exp: 10+ Years Location: Remote Visa: U-/S-C Only Skills Required: Lead a development track for .NET MAUI applications targeting Android, Windows, and other platforms.Strong experience developing applications using .NET MAUI or Xamarin.Solid understanding of C#, object-oriented programming, and MVVM architecture.Proven ability to lead development efforts and mentor team members.Experience with Agile methodologies and sprint-based development.Excellent problem-
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Posted 2 days ago

.Net Fullstack Architect (Remote)

Neo Prism Solutions, LLC

•

Remote

Contract

Job Title : Full stack .Net Architect Location : Remote SKILLS/EXPERIENCE REQUIREMENTS 12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns and archit
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Posted 4 days ago | Updated 1 day ago

Senior .Net Full-stack Lead/ Architect

Fiekon

•

Remote

Contract

Title: Senior .Net Full-stack Lead/ Architect Duration: 6+months Location; Remote We are seeking a seasoned Senior Full-Stack Lead/ Architect. who is passionate about building robust, scalable, and innovative solutions. The successful candidate will engage directly with the business to deeply understand unique challenges and drive end-to-end solutions from design through delivery, while mentoring team members and promoting software excellence. Responsibilities: Analyze business requirements to
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Posted 4 days ago | Updated 4 days ago

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

•

Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a
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Posted 8 days ago

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's)

ConsultNet, LLC

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Remote or Dallas, Texas, USA

Full-time

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's) Remote (MST, Central or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: 75-80/hr A rapidly growing technology-driven organization focused on streamlining how sensitive records are managed, processed, and shared. They specialize in transforming manual, compliance-heavy workflows into secure, efficient digital solutions-helping clients improve access, accuracy, and overall operational performance across regulated env
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Posted 4 days ago | Updated 7 hours ago

Software Engineering Manager (.NET)

Mastercard

•

Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 8 hours ago

Azure DevOps Architect with Corillian and .Net

American IT Systems

•

Remote

Contract, Third Party

Title: Azure DevOps Architect, Corillian and Azure in .Net IIS window environment Location: Remote Contract: 6+ Months Contract Financial services or regulated industry experience preferred No. of years in Corillian No. of years in .Net Proficiency in multiple scripting languages Powershell, Bicep, etc) Experience with cloud platforms (Azure preferred, AWS or Google Cloud Platform acceptable) Proven track record of designing and implementing CI/CD release strategies for enterprise applications
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Posted 1 day ago

Dot Net Architect--Part Time

Newt Global

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Remote

Part-time

Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies (ASP.NET Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solutions. Full-Stack Development Lead the development of backend services and APIs using C#, ASP.NET
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Posted 3 days ago | Updated 1 day ago

Full Stack .NET Developer

Softsages LLC

•

US

Contract

Dear Yoganand, We are delighted to reach out to you on behalf of SoftSages Technology, a rapidly expanding IT and staffing company headquartered in Malvern, PA. We take immense pride in serving critical clients across various sectors, including federal, commercial, and healthcare industries. Our commitment to excellence extends beyond just our clients, as we firmly believe that our consultants are equally vital to our success. We are currently seeking dynamic individuals like yourself to join o
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Posted 60+ days ago | Updated 18 hours ago

.Net Architect /Consultant (Part Time)

Newt Global

•

Remote

Part-time

Title:- .Net Architect /Consultant Location:- Irving TX (REMOTE) Contract Type: Part Time Description Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies ( Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solution
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Posted 44 days ago | Updated 3 days ago

Software Engineer II (Python or C#/.Net) Remote

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Software Engineer II (Python or C#/.Net) Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Software Engineer II to support a major migration from a legacy system to a modern enterprise data platform. This role is part of an ongoing transformation project that began in early 2025. You'll help accelerate development by contributing to backend services and high-performance data pipelines in a collaborative Agile environment. Key Responsibilities De
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Posted 44 days ago | Updated 7 hours ago

Senior Agile Software Engineer (.NET/IoT/Azure)

Copeland

•

Georgia, USA

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th
Posted 35 days ago | Updated 8 hours ago

.Net Backend Lead

Photon

•

Remote

Contract, Third Party

.Net Backend Lead Developer Remote We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-latency trading platfo
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Posted 49 days ago | Updated 2 days ago

Senior .NET Core Developer

iSpace, Inc

•

Remote

Full-time

JOB DETAILS: Title: Senior .NET Developer Location: 100% Remote Work (team is based out in Cleveland, OH) Type: Direct Hire / Full Time Employee Job Description: The Senior Software Engineer is responsible for participating in all aspects of the software development life cycle from requirement gathering through user acceptance testing and implementation. In addition, this position will participate in the establishment and enforcement of programming patterns and standards, as well as providing
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Posted 60+ days ago | Updated 17 days ago

Sr. SDE - .Net

Unify Technologies, Inc.

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Remote

Full-time

Required Skills and Experience: ASP.Net" rel="nofollow">preserve;\">ASP.Net Core, Angular, SQL Server, SSIS, Web API, Web Services, SSO, and SSRS Qualification: Master's/Bachelor's degree or equivalent in Computer Science related fields. Experience: 5+ years
Posted 60+ days ago | Updated 4 hours ago

.Net Backend Architect

Photon

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Remote

Third Party, Contract

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec
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Posted 49 days ago | Updated 2 days ago

Software Engineer II - .NET (Hybrid - Bellevue, WA)

Walgreens

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Remote or Deerfield, Illinois, USA

Full-time

Job Description Job Summary: The Software Engineer II - Digital Walgreens is a strategic role that requires a experienced professional who will perform and implement activities that impact components / processes of specified functional areas related to the Walgreens Digital/Online application. Anticipates and prevents problems and roadblocks before they occur. Typically assigned to important / complicated undertakings. Implements activities that generally impact important components / processes
Posted 60+ days ago | Updated 8 hours ago

*Lead Application Developer

Zurich North America

•

Remote or Schaumburg, Illinois, USA

Full-time

Zurich (Schaumburg, IL) seeks a Lead Application Developer to be responsible for development and maintenance of the web-based applications and participate as a technical expert in software design, coding, testing, and debugging with new or existing applications. Specific duties include: assist in preparing operating procedures and best practices; act as a liaison between the Business and other developers to understand the business need and provide technical advice and guidance with a focus on va
Posted 58 days ago | Updated 8 hours ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

•

Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 8 hours ago