Senior ASP.NET Developer jobs in Houston, TX

Certified Microsoft .NET web Developer IV

Remote

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4d ago

Certified Microsoft .NET web Developer IV Primary Location: Madison, WI V-Soft Consulting is currently hiring for a Certified Microsoft .NET web Developer IV for our premier client in Madison, WI. Education and Experience Performs front-end and back-end development of web applications and web APIs (web services). (5-8+ years)Experience with ASP.net and SSRS reporting (5-8+ years)SQL Backend and stored procedure experience (5-8+ years)Development and Support experience on web-based applications

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Third Party, Contract

$63.38

Senior .NET Full Stack Developer - FHIR

Remote

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22d ago

Role: Senior .NET Full Stack Developer - FHIR Location: Remote Duration: 6+ months Job description: We are seeking a highly experienced Senior .NET Full Stack Developer with FHIR expertise to support a large-scale application modernization initiative. The ideal candidate will have strong hands-on experience in C#/.NET 8+, React, TypeScript, REST APIs, FHIR, microservices, Azure Cloud, and event-driven architecture. This is a hands-on technical leadership role involving modernization of le

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Contract

Depends on Experience

Senior .NET API Developer / Integration Architect

Remote

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Yesterday

Job Title: Senior .NET API Developer / Integration Architect Work Location: Remote Position Overview The Senior .NET API Developer / Integration Architect is a senior technical specialist responsible for designing, developing, and managing secure enterprise integration services connecting Enterprise Application Services (EAS) with external vendor platforms across State systems. This role also serves as the technical lead responsible for translating business and architectural requirements into A

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Full-time

110,000 - 120,000

IT Application Development - Senior/Specialist

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-09244 Department: Office of Superintendent of Public Instruction Division: Information Technology Opening Date: 11/12/2026 Closing Date: 11/29/2026 11:59 PM Pacific Description GENERAL SERVICE JOB ANNOUNCEMENT IT Application Development Senior/Specialist $99,300 - $133,608 annually Closes November 29,2026 The Washington State Of

Full-time

USD 99,300.00 - 133,608.00 per year

Senior Full Stack .NET Developer

Remote

•

Today

Job Title: Senior Full Stack .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop scalable web applications using .NET and ASP.NET Core. Build responsive frontend applications using React or Angular with TypeScript. Develop REST APIs and backend services using C#. Work with Entity Framework Core, SQL Server, and Azure SQL. Integrate applications with external APIs and enterprise systems. Implement authentication, authorization, logging, caching, and error handling.

Full-time

Senior Backend .NET Developer

Remote

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Today

Job Title: Senior Backend .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop backend services and REST APIs using C# and .NET. Build business and domain logic using SOLID and Clean Architecture principles. Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL. Design integrations with enterprise and third-party systems. Implement asynchronous processing, background services, and messaging. Work with Azure Service Bus and other messaging technologies. I

Full-time

Sr. .NET Developer

Remote or McLean, Virginia

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Today

Public Trust Eligibility Required About Aretum Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront

Full-time

USD 120,000.00 - 150,000.00 per year

Senior .Net Full Stack Developer

Remote

•

Yesterday

Senior .NET Full-Stack DeveloperExperience: 11+ years Employment Type: Contract W2 only About the RoleWe are looking for a Senior .NET Full-Stack Developer to design, build, and ship scalable, secure web applications across the full stack. You will own features end to end, make architectural decisions, mentor developers, and work closely with product, QA, and DevOps teams to deliver high-quality software. Key ResponsibilitiesDesign and develop enterprise-grade applications using C#, .NET 6/7/8,

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Contract

Depends on Experience

Senior Engineer, Medicaid Services

Houston, Texas

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Today

Job Description We are seeking a technical leader and hands-on developer to drive the design and delivery of innovative, custom-built applications within a modern Microsoft-centric environment. This role supports a growing team of developers focused on delivering scalable, AI-enabled solutions for complex business challenges. The position centers on the rapid development of custom applications using modern technologies such as React, .NET, and the Microsoft Power Platform, combined with the in

Full-time

USD 92,540.00 - 152,691.00 per year

Senior .NET Software Engineer

Remote

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12d ago

Job Title: Senior .NET Software EngineerExperience: 6+ Years Mandatory Skills: .NET, C#, React, SQL Server Job DescriptionWe are looking for an experienced Senior .NET Software Engineer with strong expertise in .NET, C#, React, and SQL to develop, customize, implement, and support enterprise-level digital banking applications.The ideal candidate should have strong problem-solving skills, experience in client-facing technical roles, and the ability to deliver secure, scalable, and high-performan

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Full-time

Up to $135,000

Senior .NET Developer (Billing Platform)

Remote

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18d ago

Role OverviewContribute to development of a billing/claims platform supporting high-volume transactional systems Build and scale backend services and enterprise applications Improve and evolve existing systems and architecture Design scalable, maintainable, and extensible solutions Participate across the full SDLC, including design, development, testing, and deployment Collaborate cross-functionally to translate business requirements into technical solutions Ensure code quality through test auto

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Full-time

Depends on Experience

.NET Developer Technical Lead

Remote

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18d ago

OverviewWe are looking for a hands-on Technical Lead and experienced .NET engineer to help lead the development of a newly formed Adherence Engineering Team. This team will design and build technology solutions that help medical practices improve patient vaccination adherence through targeted outreach and automation. Early pilot programs have already demonstrated strong results, showing over a 10% increase in vaccination rates when practices leverage patient outreach tools. This team will play a

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Full-time

Depends on Experience

Senior .NET Developer / Cincinnati, OH/ Candidates - REMOTE

Remote or Cincinnati, Ohio

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Today

Greetings, We're seeking a Senior Full Stack Developer with strong backend expertise in .NET Core/.NET 8 and React.js on the frontend. Join a dynamic team building modern tech solutions for a leading financial and real estate client. Senior .NET Developer w/ React.js Application Developer Application Developer Cincinnati, OH - Hybrid Permanent IMPORTANT NOTE: This role requires the submission of a code exercise, which will take a senior developer 90 minutes (or longer) to complete. Please d

Full-time

Senior ASP.NET Developer jobs in Houston, TX, USA