.Net Developer

Cloud and Things; New York (NY); On-site; USD 66,000 - 69,000; Full time

Job summary

Cloud and Things in New York, NY is seeking a .NET Developer to support legacy retirement and modern application buildouts, focusing on ASP.NET, EF, REST APIs, and data migrations.

You will collaborate with cross-functional teams, implement security, perform testing and deployment, and produce reports with SSRS/Crystal Reports; onsite, 35 hours per week, 12-month engagement.

Qualifications

• Strong experience with C# backend development.
• Proven experience with ASP.NET MVC and ASP.NET Web Forms.
• Hands-on experience with .NET Core.
• Experience with Entity Framework Core or Entity Framework 6, including Code First or Database First development, LINQ, migrations, and relationships.
• Experience with SQL Server 2019, including design, queries and performance tuning.
• Experience designing RESTful APIs with ASP.NET Core Web API.
• Hands-on experience with SOAP, WSDL, and XML services.
• Strong knowledge of HTML5, CSS3, and JavaScript ES6+.
• Experience with Angular 8 for SPA development.
• SSRS and Crystal Reports experience.
• Knowledge of MVC patterns (Repository/Factory/Singleton).
• Unit testing with XUnit/MSTest/NUnit and TDD familiarity.
• Proficiency with Git for version control.
• CI/CD using Azure DevOps/Jenkins/GitLab CI or similar.
• Authentication/authorization using OAuth/JWT/RBAC.
• Experience supporting application decommissioning and data migration.
• Data extraction, archival, migration, and validation.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication.

Responsibilities

• Design, develop, and maintain .NET applications including ASP.NET MVC/Web Forms.
• Build web services, integrations, and related enhancements.
• Support development activities about 60% of the role and decommissioning 40%.
• Perform inventory, dependency mapping, and impact analysis across integrations.
• Decommission legacy Java components and migrate/archive data per retention rules.
• Conduct testing, deployment, troubleshooting, and performance optimization.
• Create reports using SSRS/Crystal Reports.
• Implement authentication/authorization and RBAC.
• Prepare runbooks, validation reports, and deployment docs.
• Collaborate with cross-functional teams across technical and non-technical areas.

Skills

C#

ASP.NET MVC

ASP.NET Web Forms

NET Core

Entity Framework Core

SQL Server 2019

RESTful APIs

SOAP

HTML5

JavaScript ES6+

Angular 8

SSRS/Crystal Reports

MVC patterns

Unit testing (XUnit/MSTest/NUnit)

Git

CI/CD (Azure DevOps/Jenkins/GitLab CI)

OAuth/JWT/RBAC

Decommissioning applications

Data extraction/migration/validation

Education

Associate degree

Tools

Azure DevOps

Jenkins

GitLab CI

Docker

Kubernetes

Job description

Back .Net Developer
Other Area(s) New York , New York W-2 hourly Sep 17, 2026

.NET Developer

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector’s IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things.

This is an exempt position. Salary commensurate with experience.

Job Title: .NET Developer
Location: New York, NY – Onsite, 5 days per week
Duration: 12 Months
W2 Hourly Rate: $48 – $50/hour
Application Deadline: September 21, 2026
Schedule: Full Time, 35 hours per week

Overview

We are seeking a .NET Developer to support application development and the controlled decommissioning of a legacy .NET application and its related services, databases, and infrastructure. The role will focus primarily on developing and maintaining .NET applications while also supporting system retirement, data archival or migration, integrations, testing, deployment, and technical support.

Duties

• Design, develop, maintain, and enhance applications using ASP.NET, Web Forms, Entity Framework, and Web APIs.
• Build and support web services, application integrations, and related system enhancements.
• Support application development activities representing approximately 60% of the role.
• Support application decommissioning activities representing approximately 40% of the role.
• Perform system inventory, dependency mapping, and impact analysis across application integrations.
• Decommission Java-based application code, APIs, batch processes, databases, services, middleware, infrastructure, and third-party components.
• Perform data extraction, archival, and/or migration in accordance with applicable retention requirements.
• Validate migrated and archived data to ensure data integrity.
• Perform testing, deployment, troubleshooting, performance optimization, and ongoing technical support.
• Create and maintain application reports using SSRS and Crystal Reports.
• Implement application authentication, authorization, and role-based security.
• Prepare decommissioning plans, runbooks, validation reports, technical design documents, code artifacts, test results, and deployment documentation.
• Collaborate with cross-functional technical and non-technical teams.

Mandatory Qualifications

• Strong experience with C# backend development.
• Proven experience with ASP.NET MVC and ASP.NET Web Forms.
• Hands-on experience with .NET Core.
• Experience with Entity Framework Core or Entity Framework 6, including Code First or Database First development, LINQ, migrations, query optimization, and complex data relationships.
• Experience with SQL Server 2019, including database design, optimized SQL queries, stored procedures, and performance tuning.
• Experience designing and consuming RESTful APIs using ASP.NET Core Web API.
• Hands-on experience with SOAP web services, WSDL, and XML-based services.
• Strong knowledge of HTML5, CSS3, and JavaScript ES6+.
• In-depth experience developing Single Page Applications using Angular 8, including components, directives, services, and routing.
• Hands-on experience with SQL Server Reporting Services (SSRS) and Crystal Reports.
• Solid understanding of Model-View-Controller architecture and common design patterns, including Repository, Factory, and Singleton patterns.
• Experience with unit testing frameworks such as XUnit, MSTest, or NUnit and familiarity with Test-Driven Development practices.
• Proficiency using Git for version control and team collaboration.
• Hands-on experience with CI/CD practices using Azure DevOps, Jenkins, GitLab CI, or comparable tools.
• Experience implementing authentication and authorization using OAuth, JWT, and role-based access control.
• Experience supporting application decommissioning, including system inventory, dependency mapping, impact analysis, and controlled retirement of application components.
• Experience with data extraction, archival, migration, and validation.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Associate’s degree or combination of experience and education.

Desirable Qualifications

• Experience designing and developing microservices-based applications.
• Experience optimizing frontend, backend, and database performance.
• Familiarity with Docker and Kubernetes.
• Experience with .NET 6+.
• Experience with AWS and/or Azure.
• Experience with React or Vue.
• Experience with NoSQL and MongoDB.

Interview Requirement

Candidates should be available for an in-person and/or telephone interview.

Cloud and Things complies with all applicable federal, state, and local laws regarding recruitment and hiring. All qualified applicants are considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other category protected by applicable federal, state, or local laws.

AI-Assisted Resume Evaluation Notice

Cloud and Things – Talent Management

Notice to Candidates

Cloud and Things utilizes artificial intelligence (AI) tools to assist our recruiting team in evaluating candidate applications for streamlining, consistency, efficiency, and thoroughness. All hiring decisions are ultimately made by our human recruiting professionals.

How AI Is Used

Our AI tools assist by:

• Analyzing resumes against job requirements
• Supporting our recruiters in candidate data evaluation
• Ensuring consistent review standards across all applications

Important: AI serves as a support tool only. As noted above, all candidate selection and hiring decisions are made by experienced human recruiters. Your unedited resume will be processed by our AI tools as part of this evaluation.

Your Data and Privacy

Cloud and Things Data Handling:

• Your information is processed securely and used exclusively for recruitment purposes.
• Cloud and Things may store your resume in our Applicant Tracking System (ATS) indefinitely for future job matching opportunities.
• You may opt out of long-term ATS storage by emailing your name and your request to opt out of storing your resume in the ATS to: [e-mail] .
• All personal information is handled confidentially in accordance with our privacy policy.

AI Tool Data Processing:

• AI processing data is retained for a maximum of 90 days, after which it is deleted.
• All data sent to AI tools is encrypted in transit and at rest.
• AI tools comply with applicable privacy laws including GDPR and CCPA.
• Personal data is anonymized or minimized wherever possible during AI processing.

Your Participation

By submitting your application, you acknowledge this notice and consent to AI-assisted evaluation as part of our recruitment process. You may opt out only by choosing not to submit your resume for consideration.