.Net Web Developer Jobs in Ashburn, VA

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.Net Backend Architect

TechSME Inc

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Remote

Contract

Minimum 10+ years of experience required. Proficiency in .NET Core Architecture, C++, and C#. Experience with AWS services like DynamoDB, EC2, Kafka, and EKS. Knowledge of microservices. Implement systems to meet CFTC, NFA, KYC, and AML compliance requirements. Contribute to CI/CD pipelines, secure software deployments, and observability tools. Work on system architecture and event-driven architecture, designs that power FCM trading platforms.
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Posted 18 hours ago

.Net Architect (14+ Exp.)

Swanktek

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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 13 days ago

Azure Integration Architect((.NET & API)

Thinkbyte Consulting, Inc.

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Remote

Contract

Key Responsibilities: Architect, design, and implement integrations using Azure Function Apps (especially Durable Functions), API Management, and Apache Kafka Develop secure and efficient cloud-native applications utilizing Azure resources such as Application Insights, Key Vault, Storage Accounts, and GitHub Design, build, and maintain scalable and secure RESTful APIs using C# (.NET/.NET Core) and JSON Document APIs using OpenAPI specifications Build and maintain CI/CD pipelines and support auto
Posted 39 days ago | Updated 2 days ago

.Net Fullstack Architect (Remote)

Neo Prism Solutions, LLC

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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 20 hours ago

Senior .Net Full-stack Lead/ Architect

Fiekon

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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 21 hours ago | Updated 20 hours ago

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

FutureTech Consultants LLC

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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 4 days ago

.net/SQL Developer

Technology Recruiting Solutions,Inc.

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Remote or Houston, Texas, USA

Full-time

.net/SQL Developer Contract Developer Houston based company has an immediate need for a .net/SQL Developer for a contract role. This position is based in Houston but will be a mostly remote role. Requirements include: 3 plus years of .net experience with Java Script. This role will be working on an existing website assisting with integration to a new ERP system. This role is not available for C2C and does require that the candidate be eligible to work in the United States without any sponsorshi
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Posted 60+ days ago | Updated 12 days ago

Software Engineering Manager (.NET)

Mastercard

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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 moments ago

AI/ML Engineer with .NET

AGUH INC

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Remote

Contract

Sr AI/MI Engineer and permanent residents. Remote Job Description: Sr AI/ML Engineer with a background in .NET technologies 12+ years strong cons only . The ideal candidate will be responsible for designing and implementing intelligent solutions that leverage AI and ML models, integrating them seamlessly with . .NET-based applications and services. Primary skill must : Semantic Kernel (Microsoft), Agentic AI, Q&A model, RAG, .NET Core, Lang, LLM Key Responsibilities: Design, develop, and deplo
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Posted 5 days ago

.Net, C#, C++ Lead Engineer

Photon

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Remote

Contract

Greetings everyone, I hope you are staying safe. We are hiring a .Net, C#, C++ Lead Engineer to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check ;/u> Job Title: .Net, C#, C++ Lead Engineer Location: Remote Job Description:
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Posted 41 days ago | Updated 12 days ago

.Net Architect /Consultant (Part Time)

Newt Global

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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 40 days ago | Updated 19 hours 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 Responsibilitie
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Posted 40 days ago | Updated moments 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 12 hours ago | Updated moments ago

Applications Development Sr Programmer Analyst - C# .Net- AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

About the Role: The role is for an AVP analyst / developer within the Commodities Technology Front Office Risk team in Houston.Citi are now one of the largest Commodities players in the banking sector, having grown rapidly over the past five years and we have ambitious plans to further develop our Commodities platform. Our technology challenges are therefore fast-moving and varied. The team develops and supports a strategic platform which calculates, manages and stores intra-day and EOD risk dat
Posted 60+ days ago | Updated moments ago

,Net Developer with Medicaid Experience

Millennium Software, Inc.

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Remote

Full-time

Hi, We are looking for an .Net Developer on W2 . Its an Onsite role.
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Posted 60+ days ago | Updated 7 days ago

.Net Backend Lead

Photon

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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 45 days ago | Updated 6 days ago

.Net Backend Architect

Photon

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Remote

Contract, Third Party

.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 45 days ago | Updated 6 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 10 hours ago

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

Copeland

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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 31 days ago | Updated moments 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 56 days ago | Updated moments ago