C# Jobs in Round Rock, TX

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Principal Software Engineer (Wynsure/C#/C++/Java/AWS)

AFLAC

•

Remote

Full-time

Salary Range: $119,000 - $169,000 Job Posting End Date: 7/14/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Di
Posted 4 hours ago

Senior .NET/C# Developer (Finance)

Judge Group, Inc.

•

Austin, Texas, USA

Contract

Location: Austin, TX Description: About the Role: We are seeking an experienced Senior Software Developer an opening with our leading financial services client. The ideal candidate will have a strong background in complex software development with expertise in C#/.NET technologies and front-end frameworks. This role involves working closely within Agile teams to deliver high-quality, scalable solutions in a fast-paced environment. Job Title: Senior Software Developer (.NET / Angular) Location
Posted 12 days ago | Updated 4 hours ago

C++/C# Developer ? Application Integration Support

The Dignify Solutions, LLC

•

Remote or Columbia, Maryland, USA

Third Party, Contract

Job Responsibilities: Develop, maintain, and enhance application code using C++ and C# to support ongoing integration, maintenance, and enhancement needs across multiple transit system initiatives. Perform code analysis, debugging, and resolution of software defects reported from field operations or testing environments. Participate in peer code reviews, design reviews, and software quality assurance processes to maintain high development standards. Develop unit tests and integration tests to va
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Posted 1 day ago | Updated 2 hours ago

.NET C# Developer (SSMS)

Gainwell Technologies LLC

•

Austin, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 8 days ago | Updated 4 hours ago

Senior Developer Tech Lead Position - C# with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian.

Digipulse Technologies, Inc

•

Remote

Full-time, Third Party

(Job Description) - Hands-On Senior Developer Tech Lead Position 1. Strong proficiency in C# for scalable, maintainable development. 2. Hands-on experience with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian. 3. Expertise in API Management/Gateway platforms such as WSO2 or Apigee or Mulesoft. 4. Lead the design and development of enterprise-grade APIs and Microservices. 5. Design and implement event-driven architecture using Kafka or RabbitMQ. 6. Provide technical leader
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Posted 15 hours ago

Senior ETL Developer

Oraapps Inc

•

Austin, Texas, USA

Contract

Senior ETL Developer Healthcare Data SystemsLocation: Austin Texas Position is 5 Days ONSITE at the location listed above (NO REMOTE WORK). Overall Exp : Minimum 15+ Years Must Candidates Must Have Prior experience in the Healthcare Industry Candidates Must Have Experience with Mulesoft Candidates Must Have Experience developing code in C# Experience developing mappings and workflows to automate ETL processes using Informatica Power Center or IICS.Experiencing acquiring and integrating data fro
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Posted 10 hours ago | Updated 7 hours ago

Informatica/Snowflake Engineer - Only Locals to Texas

Innovee Consulting LLC

•

Austin, Texas, USA

Contract, Third Party

Role: Informatica/Snowflake Engineer Location: Austin, TX Duration: 12+ Months Job Description: Understands business objectives and problems, identifies alternative solutions, performs studies and cost/benefit analysis of alternatives. Analyzes user requirements, procedures, and problems to automate processing or to improve existing computer system: Confers with personnel of organizational units involved to analyze current operational procedures, identify problems, and learn specific input a
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Posted 9 hours ago | Updated 7 hours ago

Senior Developer (C#/.NET Microservices)

Gainwell Technologies LLC

•

Austin, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 60+ days ago | Updated 4 hours ago

Senior C# Full Stack Developer

Precision System Design Inc.

•

Remote

Contract

Our Fortune 100 direct client is hiring for experienced Senior Full Stack Developers to work on large-scale IT projects. You would be designing and coding in a variety of technologies supporting and developing an Vue/Angular UI application, with C# back-end microservices. The ideal candidate will have strong C# development experience, has worked with front-end technologies such as angular, and back-end experience with SQL Server. This role can be done fully remotely following an EST work schedul
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Posted 7 days ago | Updated 8 hours ago

.Net Architect

RNR IT Solutions, Inc.

•

Austin, Texas, USA

Contract, Third Party

We are seeking a seasoned .Net Architect/Developer with 12+ years of experience to lead the technical design and development of modern, responsive web applications. This role involves spearheading architectural planning, coding scalable and secure web solutions, and driving strategic web initiatives like passkey authentication, survivor benefits services, and portal redesigns. The ideal candidate should have strong expertise in C#, ASP.NET Core, RESTful APIs, SQL, Angular/React, Optimizely CMS,
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Posted 8 days ago | Updated 7 days ago

Gameplay Engineer - C#

SGS Consulting

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Remote

Contract

Responsibilities: Create NPC tools to demonstrate NPC behaviors in Open WorldsCreate both simple and complex examples that can be used both for creator samples and for AI training.Requirements: BS in Computer Science/Engineering or equivalent industry experience.3-5 years game development experience.Proficiency in C#Ability to work independently with minimal outside supervision.Ability to multi-task, prioritize and be flexible able to adapt plans and react to change in a diverse, fast-paced, and
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Posted 40 days ago | Updated 7 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 9 days ago | Updated 7 hours ago

C# Developer

Headway Tek Inc

•

US

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

1.C# Dev -AKS & Azure Requirement: C#, Asp.Net Azure Kubernetes Services (AKS) or Kubernetes Azure Cosmos DB REST API/ Microservices MS Experience Knowledge of Al Other requirements: Communication: Good Onsite/Offshore Co- ordination Passionate about Learning Should be able to work in couple of overlap PST hours Should work in PST time zone
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Posted 19 days ago | Updated moments ago

MES Developer with .net and C#

Indotronix International Corp

•

Remote

Contract

Role: MES Developer Location: Remote Pay Rate: $77/Hr on W2 Duration: 6+ Months Location: Remote, required to be within 1-2 hour commutable distance in one of the following client office locations: - Corning, NY - Charlotte, NC - Vineland, NJ - Phoenix, AZ - Hemlock, MI - Hickory, NC - Blacksburg, VA - Keller, TX - Boston, MAKey Responsibilities: Strategic view and understanding of Siemens Opcenter/Camstar Execution to lead design and development efforts across client. Design, implement,
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Posted 8 days ago

Remote Position: Need C# & .Net developer with PeopleSoft / workday integration Exp

Svam International, Inc.

•

Remote

Contract, Third Party

C# & .Net developer with PeopleSoft / workday integration Exp Long term contract Remote Position Job Description: Design, develop, and deploy scalable and resilient microservices using C# and the .NET framework. Proficiency in C# and the .NET framework (.NET Core, Core) are required skills.Ability to collaborate with cross-functional teams to define, design, and develop new features and services.Experience developing and maintaining robust, efficient, and secure RESTful APIs to facilitate seam
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Posted 7 days ago | Updated 13 hours ago

C# Developer

Kforce Technology Staffing

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Remote or Boca Raton, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a C# Developer in Boca Raton, FL. Key Responsibilities: * Architect, develop, and maintain a modern full-stack multi-tenant SaaS platform using .NET 9, C#, and Azure * Apply Domain-Driven Design () and clean architecture principles to support scalability, maintainability, and long-term growth * Build intuitive and responsive front ends using Telerik UI for ASP.NET Core, Bootstrap, Razor Pages, HTML, jQuery, and JavaScript * Design and implem
Posted 8 days ago | Updated 1 hour ago

Senior C#/React Native Mobile Engineer/Entertainment/Remote

Motion Recruitment Partners, LLC

•

Remote or Philadelphia, Pennsylvania, USA

Full-time

A large company in the entertainment industry is hiring for a senior .NET/React Native developer. The firm needs someone with a strong background in .NET and React Native and has a background in entertainment and streaming to do full stack development on a customer facing product used by thousands of people daily. *This role is remote, but requires that you work EST hours* The company's main focus will be expanding, improving, and upgrading their customer facing platform. They are looking to bri
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Posted 35 days ago | Updated 3 hours ago

.NET Microservices Developer - (C#, .NET Core, ASP.NET, SQL Server)

Cloud and Things

•

New York, USA

Third Party, Contract

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a .NET Microservices Developer
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Posted 6 days ago | Updated 7 hours ago

Software Developer (C#, .NET framework, .NET Core, JavaScript, and CSS)

Techgroup America Inc.

•

Remote

Contract

Job Details Position: Software Developer Location: Remote Duration: 6-month contract Start Date: 7/21/2025 Description: The Software Developer Level 3 is responsible for leading a small agile development team within our Enterprise Services & Integrations systems. This role involves designing, developing, and implementing software solutions using C#, .NET framework, .NET Core, JavaScript, and CSS. The ideal candidate will have experience building RESTful APIs, web services for data transfer an
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Posted 6 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

•

Remote or Milwaukee, Wisconsin, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 35 days ago | Updated 4 hours ago