C# jobs in Allen, TX

.NET Application Security Engineer ASP.NET Core, C# , DevSecOps | Onsite - 71296

Richardson, Texas

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Today

.NET Application Security Engineer ASP.NET Core, C# , DevSecOps | Onsite We have an immediate need for an experienced .NET Application Security Engineer with strong expertise in ASP.NET Core, C#, Full Stack Development, and Application Security to design, develop, assess, and secure enterprise-grade applications. This is an onsite position based in Richardson, TX 75082 for a candidate with deep experience in ASP.NET Core, C#, .NET Application Development, Angular, React, Application Security.

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Contract

C#/Azure Integration Developer (Hybrid - Dallas)

Hybrid in Dallas, Texas

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10d ago

About XCentium:XCentium is an award-winning digital consultancy specializing in digital transformation, commerce, CRM, data, cloud, and AI. We help organizations design, build, and optimize digital experiences by combining strategy, experience design, and engineering expertise. As a multi-cloud Salesforce consulting partner for over 10 years, XCentium has deep expertise across Salesforce Sales Cloud, Service Cloud, Commerce Cloud, Marketing Cloud, Data 360, Agentforce, and the broader Salesforce

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Full-time

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Jr. Software Developer C#

Remote

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Today

Software Developer About The Opportunity The Intersect Group is partnering with a respected organization in the consumer finance industry that is committed to delivering innovative technology solutions that improve business operations and customer experiences. The company values collaboration, continuous learning, and technical excellence while fostering an environment where employees can develop their skills and make a meaningful impact. This is an opportunity to join a stable, technology drive

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Contract

Depends on Experience

Software Developer

Plano, Texas

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3d ago

Software EngineerType: Direct Hire Locations: 2 days a week onsite in Arlington, TXPosition OverviewWe are seeking a Senior Software Engineer with a strong background in .NET/C# development, Azure cloud technologies, and modern CI/CD practices to help design, build, and optimize enterprise applications. This role is ideal for an engineer who enjoys building scalable software, automating delivery processes, and leveraging emerging AI technologies to improve developer productivity and application

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Full-time

Depends on Experience

Senior Developer – Full Stack (C#/.NET & React)

Hybrid in Coppell, Texas

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10d ago

Senior Developer Full Stack (C#/.NET & React)Client: New Raise Location: Coppell, TX Onsite Duration: 12 Months Rate: $50/hour on W-2 or $60/hour on 1099 Must-Have SkillsStrong experience with C#, .NET Core/.NET, and RESTful APIs Hands-on experience with React, JavaScript/TypeScript, and frontend development Strong expertise in SQL Server, stored procedures, complex queries, and performance optimization Experience with event-driven architecture and Azure Service Bus / Pub-Sub Knowledge of API

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Contract

45 - 60

Mid to Senior .NET Developer

Frisco, Texas

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Today

A consulting company is looking to bring on Mid to Senior .NET Engineers to join their growing team. They're looking for Full Stack or Backend Engineers with modern .NET Core experience and have either worked on modernizations or have built new apps in .NET. Ideal candidates have experience working with .NET 8+, SQL, Azure, and microservices. This will be 100% new development. This role is 4 days onsite in Frisco, TX. This is a 6-9 month contract to hire position. Required Skills & Experience 3

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Contract

$50 - $70

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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Contract

DOE

Software Engineer 3-Plano, Walnut Creek, or Sacramento

Hybrid in Plano, Texas

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8d ago

The Software Engineer 3 designs, develops, and maintains software solutions in a hybrid development environment, encompassing on-premises, cloud, and hybrid infrastructures. This highly experienced and technically adept professional will lead complex development efforts, contributing to the design, architecture, and implementation of sophisticated software solutions. This role demands extensive experience across on-premise, hybrid, and cloud environments with a focus on C#, .NET , and React and

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Contract

65 - 80

Mainframe Developer with C#

Remote

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2d ago

Hiring, Greetings from Modern Agile Technologies. Position: Mainframe Developer (C#/.NET) Location: Remote Type: Contract (W2 Only) Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#/.NET development.Experience with SQL Server and database design.Knowledge of mainframe modernization, integration, and API development.Health care knowledge (preferred)

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Contract

Depends on Experience

Senior Software Engineer (C#, Python or Java) - FTE Conversion

Remote

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Yesterday

Title: Senior Software Engineer (C#, Python or Java) Location: Remote Duration: Full-Time Employment Conversion At Solventum, we enable better, smarter, safer healthcare to improve lives. As a new company with a long legacy of creating breakthrough solutions for our customers toughest challenges, we pioneer game-changing innovations at the intersection of health, material and data science that change patients' lives for the better while enabling healthcare professionals to perform at their best

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Contract

Depends on Experience

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Third Party, Contract

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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3d ago

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

C# Application Developer - POS & Integrations (on-site)

Plano, Texas

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Today

C# Application Developer - POS & Integrations (on-site) - Plano Welcome to Ziosk, where we empower restaurants to focus on what matters most: the guest experience! Have you ever used a tablet to pay at a restaurant? We pioneered the pay-at-the-table concept and we're cooking up a plan to transform the restaurant industry. Our recipe for success has been adapting and growing to exceed the needs of our clients, such as Olive Garden, Texas Roadhouse, Chili's and more - helping them create an expe

Full-time

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

QA Automation Engineer - Frisco TX - Onsite

Frisco, Texas

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Yesterday

We at NJ TECH INC are focused on hiring highly skilled professionals who are excited by the opportunity to make a true impact on their careers as well as on our clients' business. We power our clients success and drive our consultants career growth. We are seeking an experienced and outstanding Sr. Test Automation Engineer for one of our esteemed clients. The Sr. Test Automation Engineer is a senior-level quality engineering role responsible for ensuring the reliability, performance, and quali

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Contract

$0 - $0

SAP Application Support Specialist

Plano, Texas

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5d ago

SAP Application Support Specialist Plano, TX Position Summary Provides Tier 1 Voice of Customer (VOC) support for a major consumer electronics client operating on SAP S/4HANA, applying technical and analytical skills to troubleshoot and resolve business-critical system issues. Responsibilities Provide Tier 1 VOC support to end users on the SAP S/4HANA platform Investigate, analyze, and troubleshoot issues; escalate as appropriate Review source code and system configurations for root cause ana

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Contract, Third Party

Depends on Experience

C# jobs in Allen, TX, USA