.Net Back End Jobs in Phoenix, AZ

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Staff Software Engineer - Remote

Milliman IntelliScript

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Remote

Full-time

What We Do Milliman IntelliScript is a group of a few hundred experts in fields ranging from actuarial science to information technology to clinical practice. Together, we develop and deploy category-defining, data-driven, software-as-a-service (SaaS) products for a broad spectrum of insurance, health IT and life sciences clients. We are a business unit within Milliman, Inc., a respected consultancy with offices around the world. Candidates who have their pick of jobs are drawn to IntelliScript
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Posted 60+ days ago | Updated 14 days ago

.Net Developer

4 Consulting Inc

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Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 52 days ago | Updated 21 days ago

Application Architect

Kforce Technology Staffing

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Remote or Dallas, Texas, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a talented and motivated Senior - Architect level .NET/C# Developer with an interest in stepping into an architecture role that will have heavy hands on coding as well. This is an exciting opportunity to join a team starting a new IT initiative in 2024. The company is transitioning away from Oracle-based applications and consolidating to a single stack to make their systems more maintainable and efficient. As part of this initiative, you
Posted 14 days ago | Updated 3 hours ago

ASP.NET Core Developer - Fulltime (H1B/OPT) Accepted

Xcelo Group Inc

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Remote or Austin, Texas, USA

Full-time, Part-time, Contract, Third Party

Job Title: ASP.NET Core Developer Full-time Location: Austin, TX (Remote) Duration: Long Term Experience: 5-10 Years We're searching for a skilled ASP.NET Core Developer to design, develop, and maintain high-quality web applications. You'll collaborate with front-end developers, UX designers, and product managers to bring innovative ideas to life. Responsibilities: Design, develop, and maintain web applications using ASP.NET Core. Build and optimize back-end components and APIs. Collaborate
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Posted 17 hours ago | Updated moments ago

Senior .NET Developer

Kforce Technology Staffing

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Remote or Boston, Massachusetts, USA

Contract

RESPONSIBILITIES: Kforce has a client in Boston, MA that is seeking a seasoned Senior .NET Developer with 8+ years of experience in full-stack development. This role involves designing and building scalable web applications and APIs, working across front-end, back-end, and database layers in a cross-functional team. Responsibilities: * Senior .NET Developer will develop and maintain web applications and services * Collaborate on architecture, design, and code reviews * Translate business requir
Posted 4 days ago | Updated 3 hours ago

.Net Developer

4 Consulting Inc

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Remote or Texas City, Texas, USA

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 60+ days ago | Updated 21 days ago

Senior Software Engineer

GNRSystems

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Remote

Contract

We are seeking a highly experienced and self-motivated Senior Software Engineer for a remote W2 position. The ideal candidate will have a strong background in full-stack development, software architecture, and cloud technologies, with the ability to design and build scalable enterprise applications in a fast-paced Agile environment. Key Responsibilities:Design, develop, test, and deploy high-quality software solutions. Work across the full software stack: backend services, APIs, databases, and f
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Posted 7 days ago

Sr. Software Engineer

First American Financial Corporation

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Remote or Santa Rosa, California, USA

Full-time

Who We Are Join a team that puts its People First! As a member of First American's family of companies, First American Home Warranty offers a wide range of home warranty products and services to home sellers, buyers and agents. Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full
Posted 5 days ago | Updated 10 hours ago

Senior Software Engineer

Eliassen Group

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Anywhere, US

Contract

Description: **100% Remote** As a Senior Software Engineer, you have a proven track record of success delivering projects of critical importance. You are comfortable with both greenfield development (including deployment pipelines) and working in existing microservices and monoliths. You write code that follows best practices, is maintainable, and is tested. You break down product requirements into units of work that can begin delivering value quickly and can easily be iterated upon. If you a
Posted 9 hours ago

Full Stack \

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Full Stack "Data " Engineer Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Full Stack "Data " Engineer with experience on Palantir 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.
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Posted 60+ days ago | Updated 9 hours ago

Dotnet Developer

Randstad - Torc

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Remote

Contract

We are looking for a highly skilled Full Stack .NET Developer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using .NET (C#) for the backend and modern frontend technologies.Collaborate with product managers, designers, and other engineers to build scalable, efficient solutions.Implement best practices in software architecture, automated testing, and performance opt
Posted 60+ days ago | Updated 6 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 22 days ago | Updated 9 hours ago

Full Stack Software Engineer (Front-End)

LMI Government Consulting (Logistics Management In

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Remote

Contract

Overview Remote (U.S. Based) | Some Travel Required LMI is a consultancy dedicated to improving the business of government, drawing from deep expertise in advanced analytics, digital services, logistics, and management advisory services. Established in 1961, LMI is a trusted third party to federal civilian, national security, and defense agencies, operating free of commercial and political bias. For nearly 60 years, LMI has worked with 40 government agencies. We believe government can make a d
Posted 8 days ago | Updated 6 hours ago

Software Engineer, Infrastructure - Platform (Compute)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 29 days ago | Updated 10 hours ago

Staff Software Engineer, Infrastructure (Compute)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 50 days ago | Updated 10 hours ago

Key .NET Engineer with Azure

EPAM Systems

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Remote

Full-time

Are you a skilled .NET Engineer with a passion for building robust and scalable backend systems? Join us and take part in creating a central hub for one of the world's leading oil producers. This platform will provide real-time access and status updates on capital projects, catering to a diverse range of users, including executives, middle management, GPE and project stakeholders. If you're passionate about innovation, we invite you to apply and become part of the EPAM team! To discover more
Posted 60+ days ago | Updated 10 hours ago

.Net Developer ( Senior Developer) - ONLY W2

Radus Tek Services

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Remote

Contract

Senior .NET developer Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise websites & many .NET backend systems - Very strong UI development experience is mustStrong Oracle PL/SQL development experience - Need very good experience with PL/SQL development as the engineer need to deal with hundreds of stored procedures and packages and candidate must be capable of writing high-quality performant PL/SQL codeMost of the engineers with these skills should be working on these technolog
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Posted 26 days ago

Senior Software Engineer - .NET

Guardian Life Insurance Company

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Remote or Holmdel, New Jersey, USA

Full-time

We are actively seeking a proactive, creative Senior Software Engineer who will be responsible for architectural design and implementation of Guardian's next-generation web self-service platforms APIs using .Net Core, C#. You will: Design, develop, and deploy high-volume, high-usage self-service web portals APIs, utilizing .Net Core, C#.Collaborate with Technical Teams, Technical Manager, Project Manager and subject matter experts from businesses and work closely with SMEs to understand, plan a
Posted 48 days ago | Updated 10 hours ago

Full Stack/Cloud Architect

GovCIO

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Remote

Full-time

Overview GovCIO is hiring an experienced Full Stack/Cloud Architect to manage application processes and maintenance for complex conceptual data at the Department of Veterans Affairs. This role requires knowledge of SQL Server, Oracle, and database design to include software maintenance and system enhancements. This position is fully remote within the United States. Responsibilities Lead efforts for applications managing complex conceptual data in C#, .NET, and SQL Server environments. Develop
Posted 25 days ago | Updated 6 hours ago

(Remote) Senior Software Engineer

First American Financial Corporation

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Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse
Posted 60+ days ago | Updated 10 hours ago