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Contractual Net Core Developer Jobs in Texas (NOW HIRING)

JConnect Infotech

.Net Developer

Arlington, TX · On-site

$43.50 - $57.25/hr

Job Posting Title: .Net Developer Location: Arlington, TX (On Site, TX) Duration: Long Term Design ... NET Core /.NET 6+, C#, and RESTful APIs. Integrate with third-party services and internal APIs ...

Omni Inclusive

.Net Core Developer

Houston, TX · On-site

... contractual and physical constraints. * The application handles a significant share of biogas ... Net/C# and in database technologies. Experience with serialisation protocols and cloud technologies ...

AceStack LLC

Dot net Developer

Dallas, TX · On-site

$48 - $63.25/hr

Job Title: Dot net Developer Location: DALLAS, TX (3 days onsite) Duration: 6 months Role ... NET Core Web API| REST| SOAP| and RPC APIs Database SQL server legacy frameworks writing and ...

Argyle Infotech

.Net Developer

Arlington, TX · On-site

$43.50 - $57.25/hr

Azure.Net Developer Years of Experience: 10+ years Location: Arlington, TX (On Site, TX) As a ... NET Core /.NET 6+, C#, and RESTful APIs. * Integrate with third-party services and internal APIs ...

Quantum World Technologies Inc

Net Developer

Dallas, TX · On-site

$100K - $120K/yr

NET Core and AWS services to design develop and maintain scalable cloud-based applications ... NET technologies to recommend improvements * Mentor junior developers and provide technical ...

Echo IT Solutions

dot net developer

Farmers Branch, TX · On-site

$46.50 - $61.25/hr

NET Core and AWS to improve scalability, performance, and reliability. * A lot of internal applications. * Super heavy backend - head down * Needs hands-on senior engineers who can ship production ...

Echo IT Solutions

dot net developer

Carrollton, TX · On-site

$46.50 - $61.50/hr

NET Core and AWS to improve scalability, performance, and reliability. A lot of internal applications. Super heavy backend - head down Needs hands-on senior engineers who can ship production-grade ...

Purple Drive

.Net Developer

Dallas, TX · On-site

$48 - $63.25/hr

Overview: .Net Developer Role Description: Solid understanding of Data Structures (Stack, Queue ... NET Core Web API, REST, SOAP, and RPC APIs Database SQL server legacy frameworks writing and ...

AceStack LLC

Senior .NET developer.

Addison, TX · On-site

$52.75 - $69.75/hr

NET Developer Location - Jersey City NJ, Charlotte NC, Addison TX Experience - 8 to 10 years of ... NET Core 8 and a database transition from SQL Server to CockroachDB. The ideal candidate will have ...

Software Technology Inc

Sr .Net Developer (On prem)

Houston, TX · On-site

$52.50 - $66.75/hr

Net Developer Role: Net developer Location: Houston, TX Hours: Primarily 9-5 CST hours Target Start ... NET core even if just 3-6 months experience (talking through further MAY be open to us upskilling ...

Omni Inclusive

.Net Developer

Houston, TX · On-site

$46 - $61/hr

Net Core, Angular JS, Core MVC, SQL Server 2016, Windows / Web Services. 9+ years' experience ... Experience with Azure DevOps Services including both source control as well as work item tracking ...

Mothership

.NET Fullstack Developer

Plano, TX · On-site

NET Fullstack Developer We are seeking multiple experienced .NET Full Stack Developers with a strong background in C#,.NET Core, and React for onsite roles in Plano, TX and Jersey City, NJ.

1 point system

.Net Developer

Austin, TX · On-site

$47.75 - $63.25/hr

Years Required/Preferred Experience 8 Required Microsoft NET.CORE FrameWork 4 Required C# 4 Required Entity Framework CORE 2 Required MS SQL Server 1 Required MVC 1 Required JQuery 1 Required ...

Cynet Systems

Lead Dot NET Developer

Lubbock, TX · On-site

$65 - $70/hr

NET Core development. 5+ years of experience with SQL Server and T-SQL development. 3+ years of experience with front-end technologies such as TypeScript, JavaScript, Angular, or Blazor. Experience ...

JConnect Infotech

Sr. .Net Developer /Lead

Austin, TX · On-site

NET Core, C#, ASP.NET MVC, Web API, Entity Framework. • Hands-on experience with AWS cloud services (EC2, Lambda, S3, RDS, DynamoDB, CloudWatch, IAM). • Proficiency in DevOps tools (GitHub ...

United IT

Mid Level .Net Developer

Houston, TX · On-site

Mid-Level Developer, Backend Focused Experience with.net core development Experience with AWS 5+ years working experience, enterprise experience a plus Front end is Angular, a plus but most work will ...

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All JobsContractual Net Core Developer JobsContractual Net Core Developer Jobs in Texas

Contractual Net Core Developer information

What is the difference between Contractual Net Core Developer vs Contractual ASP.NET Developer?

AspectContractual Net Core DeveloperContractual ASP.NET Developer
Required CredentialsProficiency in .NET Core, C#, and related frameworksProficiency in ASP.NET, C#, and .NET Framework
Work EnvironmentTypically remote or on-site, project-based roles in software developmentSimilar environments, often in enterprise or web application projects
Employer & Industry UsageUsed in modern, cross-platform web applications and microservicesCommon in legacy enterprise web applications and intranet systems

The main difference is that Contractual Net Core Developers focus on building cross-platform, high-performance applications using .NET Core, while Contractual ASP.NET Developers work primarily with the traditional ASP.NET framework for web development. Both roles require C# skills but target different frameworks and project types.

What are the most commonly searched types of Net Core Developer jobs in Texas? The most popular types of Net Core Developer jobs in Texas are:
What are popular job titles related to Contractual Net Core Developer jobs in Texas? For Contractual Net Core Developer jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Contractual Net Core Developer jobs in Texas look for? The top searched job categories for Contractual Net Core Developer jobs in Texas are:
What cities in Texas are hiring for Contractual Net Core Developer jobs? Cities in Texas with the most Contractual Net Core Developer job openings:
Contractual Net Core Developer jobs near you
Infographic showing various Contractual Net Core Developer job openings in Texas as of June 2026, with employment types broken down into 4% As Needed, 75% Full Time, 10% Part Time, 2% Temporary, 8% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.
NET Core API Developer

NET Core API Developer

Donato Technologies, Inc

Irving, TX • On-site

$60/hr

Contractor

Posted 12 days ago

Key responsibilities

  • Design, develop, and maintain enterprise-grade RESTful APIs using .NET Core / ASP.NET Core.

  • Build scalable and secure microservices-based backend applications.

  • Utilize AI-powered engineering tools to accelerate coding, debugging, documentation, and development workflows.

Job description

 

Client is seeking a highly skilled and self-driven Senior .NET Core API Developer with strong backend engineering expertise and the ability to work independently in a fast-paced enterprise environment.

The ideal candidate will have deep hands-on experience building scalable APIs and microservices using .NET Core technologies while effectively leveraging AI-assisted development tools such as GitHub Copilot, ChatGPT, Cursor, or similar platforms to improve productivity, code quality, and delivery speed.

This role requires someone who can take complete ownership of development tasks, troubleshoot issues independently, and contribute to modern enterprise application architecture initiatives.

Key Responsibilities

  • Design, develop, and maintain enterprise-grade RESTful APIs using .NET Core / ASP.NET Core.
  • Build scalable and secure microservices-based backend applications.
  • Analyze business and technical requirements and convert them into scalable technical solutions.
  • Develop clean, reusable, maintainable, and high-performance code.
  • Integrate APIs with internal enterprise systems and third-party applications.
  • Utilize AI-powered engineering tools to accelerate coding, debugging, documentation, and development workflows.
  • Implement authentication and authorization mechanisms using JWT/OAuth standards.
  • Optimize application performance, scalability, reliability, and security.
  • Participate in architecture discussions and technical design reviews.
  • Work closely with DevOps teams on CI/CD automation and deployment pipelines.
  • Troubleshoot and resolve production support issues independently.
  • Write unit tests, integration tests, and maintain technical documentation.
  • Collaborate with cross-functional teams in Agile/Scrum environments.
Required Technical Skills:
 
Backend Development
  • Strong experience with:
    • C#
    • .NET Core / ASP.NET Core
    • Web APIs / REST APIs
    • Entity Framework Core
    • LINQ
    • Middleware
    • Dependency Injection
    • Asynchronous Programming
Architecture & Design
  • Microservices Architecture
  • SOLID Principles
  • Design Patterns
  • API Security Best Practices
  • JWT / OAuth Authentication
  • API Versioning
Database Skills
  • SQL Server
  • Stored Procedures
  • Query Optimization
  • Database Design & Performance Tuning
Cloud & DevOps
  • Azure and/or AWS experience
  • CI/CD using Azure DevOps or GitHub Actions
  • Docker & Kubernetes knowledge preferred
  • Git source control
AI-Driven Engineering
  • Hands-on experience using AI development tools such as:
    • GitHub Copilot
    • ChatGPT
    • Cursor AI
    • Amazon CodeWhisperer
  • Ability to independently accelerate development and troubleshooting using AI-assisted workflows
Soft Skills
  • Strong communication and collaboration skills
  • Excellent analytical and problem-solving abilities
  • Self-starter with strong ownership mindset
  • Ability to work independently with minimal supervision
  • Adaptable to fast-changing technologies and AI-enabled workflows
Education
  • Bachelor’s degree in Computer Science, Engineering, or related field preferred

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.