C# Jobs in Allen, 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 20 hours ago | Updated 8 hours ago

Senior Full Stack Engineer (Contract) - C#/.NET, Azure

Signitives

•

Irving, Texas, USA

Contract, Third Party

Senior Full Stack Engineer (Contract) - C#/.NET, Azure Location: Irving, TX Duration: 6-Month Contract (Conversion possible, waiver ideally after 3 months) Role Summary: We are seeking a senior full-stack engineer for a 6-month contract in Irving, TX. You will build and deploy enterprise-level, serverless applications for the healthcare sector using C#/.NET, Azure, Angular, and SQL. This role requires developing robust backend services and dynamic front-end interfaces while working on complex
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Posted 3 hours ago

C#.net Developer

TEKsystems c/o Allegis Group

•

McKinney, Texas, USA

Full-time

Description Charter Communications subsidiary Innovar Media Solutions is looking for a talented Full Stack Engineer to enhance their existing team building and enhancing our enterprise applications suite. They have a application tool that they acquired from a 3 party vendor about 1 year ago and they need to start effectively supporting it. They tool application is written in C#/Angular. They need strong C#/Angular developers to support and upgrade the application over the next 3-6 months with th
Posted 8 days ago | Updated 7 hours ago

Fullstack C# / Angular Developer & .NET - TEK former Only

Sriven Systems Inc.

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Remote

Contract

We re hiring multiple contractors to join a high-performing engineering team at a top client. Openings are for Fullstack C# / Angular Developers and .NET Core Backend Developers. This is an excellent opportunity for TEK former professionals looking to work in a collaborative, agile, and modern engineering environment. Note: Some teams use paired programming. Please indicate your comfort level with this in your application. You ll be helping to build new features on top of our existing Workspaces
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Posted 1 hour ago

.Net C# Lead Developer

Wissen Infotech

•

Irving, Texas, USA

Contract

Extensive experience create web APIs in C# and .NET framework Strong understanding of RESTful API design principles Experience implementing WCF services (REST and SOAP) Experience with Oracle or other relational databases Familiarity with distributed architectures & messaging systems Experience with version control systems such as Git or SVN Comfort working with remote teams Good written and verbal communication skills Ability to handle multiple projects. Comfort working independently Desired S
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Posted 1 day ago

C# Dot Net Developer with Investment Banking & Prime Brokerage

Magnum Technologies, Inc.

•

Remote

Full-time

Job Title: Senior .NET Developer with Investment Banking Systems Experience: 7+ years Location: NYC(Remote) C2H/ W2 only Overview: We are seeking a Senior .NET Developer consultant with strong expertise in Investment Banking Systems for a Contract-to-Hire (C2H) position. The ideal candidate must have hands-on experience in Stock Loan business functions and familiarity with systems like Global One, Loanet, and EquiLend interfaces. Strong technical proficiency is required in C#/.NET (WPF, WCF), Ka
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Posted 5 hours ago

Full Stack C# Developer

RedRiver Systems L.L.C.

•

Flower Mound, Texas, USA

Full-time

This is an outstanding opportunity for a C# Full Stack Developer to work for a growing Dallas Software company serving some of the largest law firms in the US and Internationally. This position is due to the extreme growth of their business. This is a family-oriented culture, in a great location close to great restaurants, hiking / bike trails, movie theaters etc This is a hybrid work environment, where we play Pickleball on Wednesdays and have a great company culture and excellent benefits. Th
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Posted 28 days ago | Updated 3 hours ago

.NET C# Developer (SSMS)

Gainwell Technologies LLC

•

Dallas, 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 7 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 moments ago

Sr. Application Developer (C# with AWS experience)

Xoriant Corporation

•

Plano, Texas, USA

Contract

Position Title: Sr. Application Developer (C#) Location: Plano, TX (ONSITE 5 days a week) Duration: 9 Months contract to hire. Responsibilities: The Senior Application Developer utilizes minimum requirements to develop technology solutions for the Mortgage Servicing platform using a cloud solution and Microsoft technologies, utilizing services from our cloud service provider. Will write high quality code to create complex business applications; test software during development; perform quality
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Posted 60+ days ago | Updated 9 days ago

Sr. C# Developer - Hybrid

RedRiver Systems L.L.C.

•

Irving, Texas, USA

Contract

This 80+ year old Financial Services company has over $65 Billion in assets for providing financial assistance for housing and economic development in the communities they serve. Reporting to the Director of Digital Transformation you will assist senior management in digital transformation with data driven activities that affect enterprise processes, internal controls and business plans. This role requires a highly skilled developer who personifies agile principles and values leveraging the late
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Posted 60+ days ago | Updated 3 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 1 day ago

Senior Developer (C#/.NET Microservices)

Gainwell Technologies LLC

•

Dallas, 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 7 hours ago

W2 hiring-Java/JavaScript/Dotnet-C#/Python/Salesforce Developers-Admins/Web Developers (Full Stack)/ITSM / ITIL Process Analysts-W2 only

Gemini Consulting Services

•

Dallas, Texas, USA

Contract

Hello ,Hope you are doing well. We have below multiple roles. Role1. JavaScript DevelopersDallas TXLong-term ContractW2 role-Need OPTS and EADS only Required Skills: Extensive knowledge of CSS, Sass, and CSS architectureExperience building and working with design systems and component librariesExperience with JS and UI testing and code analysis frameworks like Mocha, Istanbul, Enzyme, ESLintKnowledge and experience of working on DevOps tools & GitHub/JenkinsExperience collaborating with produc
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Posted 9 days ago | Updated 6 hours 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 10 hours ago

Senior C# Full Stack Developer

Precision System Design Inc.

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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 8 days ago | Updated 6 hours 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 8 days ago

C# Developer

Headway Tek Inc

•

US

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

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

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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

QA Tester - Selenium Webdriver wih C#

Edify Technologies, Inc.

•

Irving, Texas, USA

Contract

Job Title : QA Tester (Selenium Webdriver with C#) Job Location: Irving, TX (4 days onsite & 1 day remote) Duration: Contract to Hire About Edify Headquartered in Naperville, IL, we are a dynamic team with over two decades of industry expertise, dedicated to delivering robust business solutions, staff augmentation, and a comprehensive range of application and web services. As a former recipient of INC. Magazine's prestigious '5000 Fastest Growing Private Companies' award, we take immense pride
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Posted 60+ days ago | Updated 5 hours ago