.Net Developer

Valiant Technologies LLC; Frisco (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Valiant Technologies LLC is seeking a hands-on software engineer to design, develop, and maintain applications using C#, .NET Core, and ASP.NET Core. You will build RESTful APIs, work with SQL Server, and ensure secure, scalable deployments.

You will collaborate across teams, implement CI/CD pipelines, and contribute to front-end and back-end development using modern tools and frameworks. A strong SDLC/Agile background is expected.

Qualifications

• Strong proficiency in C# and object-oriented programming.
• Hands-on experience with .NET Core, .NET 6+ or modern .NET.
• Strong knowledge of REST APIs and web services.
• Experience with Microsoft SQL Server, T-SQL, stored procedures, and performance optimization.
• Knowledge of Entity Framework or Entity Framework Core.
• Experience with Git, debugging, and unit testing.
• Understanding of SDLC and Agile methodologies.

Responsibilities

• Design, develop, and maintain applications using C#, .NET Core, and ASP.NET Core.
• Build and maintain RESTful APIs and web services.
• Develop responsive web applications using modern front-end technologies.
• Work with SQL Server, including database design, queries, procedures, and optimization.
• Implement authentication, authorization, and security best practices.
• Troubleshoot, debug, and resolve issues; write clean, documented code.
• Participate in code reviews, unit/integration tests, and deployments.
• Collaborate with analysts, QA, architects, and other devs.

Skills

C# & OOP

.NET Core / .NET 6+

REST APIs

SQL Server / T‑SQL

EF Core

Git / Testing

SDLC / Agile

Tools

Git

Docker

Kubernetes

Azure DevOps

Jenkins

Job description

The ideal candidate should have strong hands-on experience in C#, .NET Core, ASP.NET Core, REST APIs, SQL Server, and modern front-end technologies, along with exposure to cloud platforms and CI/CD practices.

Key Responsibilities:

• Design, develop, and maintain applications using C#, .NET Core, and ASP.NET .
• Build and maintain RESTful APIs and web services.
• Develop responsive web applications using Angular, React, or other front-end technologies.
• Work with Microsoft SQL Server, including database design, queries, stored procedures, and performance tuning.
• Implement authentication, authorization, and application security best practices.
• Troubleshoot, debug, and resolve application issues.
• Write clean, reusable, maintainable, and well-documented code.
• Participate in code reviews, unit testing, integration testing, and deployment activities.
• Collaborate with business analysts, QA engineers, architects, and other development team members.
• Use Git or other version control systems to manage source code.
• Support application deployment and maintenance using CI/CD pipelines and cloud platforms such as Microsoft Azure.

Required Skills:

• Strong proficiency in C# and object-oriented programming (OOP).
• Hands-on experience with .NET Core, .NET 6+, or modern .NET.
• Strong knowledge of REST APIs and web services.
• Experience with Microsoft SQL Server, T-SQL, stored procedures, and database optimization.
• Knowledge of Entity Framework or Entity Framework Core.
• Experience with Git, debugging, and unit testing.
• Understanding of software development life cycle (SDLC) and Agile methodologies.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications:

• Experience with Microsoft Azure or other cloud platforms.
• Knowledge of microservices and distributed application architecture.
• Experience with Docker and Kubernetes.
• Familiarity with CI/CD tools such as Azure DevOps or Jenkins.
• Knowledge of design patterns, SOLID principles, and clean architecture.
• Experience with automated testing frameworks such as xUnit, NUnit, or MSTest.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.