.NET Developer Programmer Job New York New York USA,Software Development

Location: New York

The candidate will decommission a Java-based application, including associated services, databases, and infrastructure.

Responsibilities include system inventory, dependency mapping, and impact analysis across integrations.

The candidate will decommission application code, APIs, and batch processes, and perform data extraction, archival, and/or migration per retention policies, with validation to ensure data integrity.

All application services, middleware, infrastructure, and third-party components must be retired in a controlled manner.

Application Development (60%)

The candidate will design, develop, and maintain applications using ASP.NET, Web Forms, Entity Framework (EF), and Web APIs.

Responsibilities include building new web services, enhancing existing applications, supporting system integrations, and performing testing and deployment.

The role also includes troubleshooting, performance optimization, and ongoing technical support.

Deliverables include decommissioning plans, runbooks, validation reports, technical design documents, code artifacts, test results, and deployment documentation.

MANDATORY SKILLS/EXPERIENCE

C#:
Must have strong experience in C# for backend development, including writing clean, maintainable, and performant code.

Proven experience in ASP.NET MVC for building scalable, maintainable web applications.

Deep understanding and hands-on experience with .NET Core for building robust, high-performance, cross-platform applications.

Entity Framework (EF):

Experience in EF Core or EF 6 for object-relational mapping (ORM).

Experience in Code First or Database First approaches with EF.

Proficient in writing LINQ queries to interact with databases.

Strong understanding of EF migrations, optimizing EF queries, and managing complex data relationships.

SQL Server 2019:

Must have experience in designing databases, writing optimized SQL queries, stored procedures, and handling database performance tuning in SQL Server 2019.

Web Services:

RESTful APIs:

Experience in designing and consuming REST APIs using ASP.NET Core Web API.

SOAP Web Services:

Hands-on experience in working with SOAP web services, WSDL, and XML-based services.

Frontend Technologies:

HTML/CSS:

Solid knowledge of HTML5 and CSS3 for responsive web design and UI development.

Angular 8:
In-depth experience in developing Single Page Applications (SPAs) using Angular 8, including knowledge of components, directives, services, and routing.

Reporting & Data Presentation:

SSRS (SQL Server Reporting Services):
Hands-on experience with SSRS to create and deploy interactive, parameterized reports integrated within a web application.

Crystal Reports:

Strong experience in designing and generating reports using Crystal Reports and embedding them into applications.

Software Design & Architecture:

Solid understanding of the Model-View-Controller (MVC) architecture for web application development.

Design Patterns:

Experience with common design patterns like Repository Pattern, Factory Pattern, and Singleton Pattern.

Unit Testing & TDD:

Experience with Unit Testing using frameworks such as XUnit, MSTest, or NUnit.

Familiar with Test-Driven Development (TDD) practices to ensure high code quality.

Version Control & CI/CD:

Git:
Proficiency in using Git for version control and collaboration in a team-based environment.

CI/CD:

Hands-on experience with Continuous Integration and Continuous Deployment (CI/CD) practices using tools like Azure Dev Ops, Jenkins, or Git Lab CI.

Security:

Authentication/Authorization:
Experience in implementing user authentication and authorization, including OAuth, JWT (JSON Web Tokens), and role-based access control (RBAC) in a web application.

Soft Skills:

Communication:

Excellent communication skills to effectively collaborate with…