Coolsoft
ASP.Net&C# Kendo UI JAVA SCRIPT JQuery. SQL Server Developer
Coolsoft, Madison, Wisconsin, us, 53774
Job Title
Developer Location
Madison, WI Contract Details Type: Contract Duration: 7 months (Start 12/15/2025 End 06/30/2026) Compensation: DOE
Responsibilities
This position will work to support and enhance existing web applications maintained within the Enterprise section. This person will join an existing team responsible for maintaining and enhancing web?based applications. The person will work closely with the team in developing the frontend and server side of the web application. Project duties include requirements analysis, front?end and back?end work. Required Technical Skills
C# and ASP.NET (MVC 5 & Core 8) Proven experience building and maintaining web applications using both legacy (.NET Framework) and modern (.NET Core) platforms. .NET Core 6/7/8 Hands?on experience developing RESTful APIs and web applications using .NET Core, including dependency injection, middleware, and minimal APIs. VB.NET Ability to understand, debug, and enhance legacy codebase. .NET Framework (4.8) Deep understanding of the .NET runtime, libraries, and configuration. Kendo UI (jQuery + MVC Wrappers) Experience in creating rich UI components and interaction using Kendo UI widgets. JavaScript & jQuery Strong proficiency in front?end scripting, DOM manipulation, AJAX calls, and event?driven UI design. SQL Server Experience in writing complex SQL queries, stored procedures, views, indexing, and performance tuning. Oracle & DB2 Solid understanding of working with multiple RDBMS systems, with ability to handle data integration, migration, and cross?platform queries.
Preferred Experience
Web API (RESTful Service) Experience building and consuming web services with security and versioning in mind. Entity Framework / Dapper / ADO.NET Knowledge of ORM tools and raw data access strategies. Front?End Integration Understanding of HTML5, CSS3, responsive design, and browser compatibility. Unit Testing Writing and maintaining unit tests for both front?end and back?end code. Version Control Systems Experience with Git. Fine?grain authorization Proven experience designing and implementing solutions such as RBAC, ABAC, or similar. Security compliance Applying security standards and regulations related to data access and authorization.
Interview Requirements
INTERVIEW NOTES: PLEASE NOTE: A real?time screenshot photo of the candidate MUST be uploaded to candidates bid upon confirming the interview. Please see "DCF Realtime Photo Requirement & Instructions" document in the Attachments section of this posting for details. Phone and web?based interviews will be acceptable. However, an in?person interview may be required. Interviews will be set up shortly after the posting close date. MUST provide three (3) business references for the interview. (One reference must be a supervisory level.) Candidate MUST be physically located in the United States. International candidates/phone numbers will not be accepted. Candidate must follow ALL DCF work rules. Candidate must be available to perform all work during the Central Standard Time (CST) business hours 9:00?am 3?pm (or CST hours as defined by the hiring manager). Candidate will be required to provide their own equipment for this position (See job description for required specifications). Duration: 6/30/2026, with the potential to extend for an additional term(s). Onsite, hybrid or remote: Candidate MUST be a WI resident or willing to relocate to WI prior to starting the role at their own expense. 90?100% remote but can require staff to come onsite as necessary with sufficient notice.
Contact
Call 502?379?4456 Ext 100 for more details. Please provide Requirement id: 155644 while calling. EEO Statement
EOE Protected Veterans/Disability #J-18808-Ljbffr
Developer Location
Madison, WI Contract Details Type: Contract Duration: 7 months (Start 12/15/2025 End 06/30/2026) Compensation: DOE
Responsibilities
This position will work to support and enhance existing web applications maintained within the Enterprise section. This person will join an existing team responsible for maintaining and enhancing web?based applications. The person will work closely with the team in developing the frontend and server side of the web application. Project duties include requirements analysis, front?end and back?end work. Required Technical Skills
C# and ASP.NET (MVC 5 & Core 8) Proven experience building and maintaining web applications using both legacy (.NET Framework) and modern (.NET Core) platforms. .NET Core 6/7/8 Hands?on experience developing RESTful APIs and web applications using .NET Core, including dependency injection, middleware, and minimal APIs. VB.NET Ability to understand, debug, and enhance legacy codebase. .NET Framework (4.8) Deep understanding of the .NET runtime, libraries, and configuration. Kendo UI (jQuery + MVC Wrappers) Experience in creating rich UI components and interaction using Kendo UI widgets. JavaScript & jQuery Strong proficiency in front?end scripting, DOM manipulation, AJAX calls, and event?driven UI design. SQL Server Experience in writing complex SQL queries, stored procedures, views, indexing, and performance tuning. Oracle & DB2 Solid understanding of working with multiple RDBMS systems, with ability to handle data integration, migration, and cross?platform queries.
Preferred Experience
Web API (RESTful Service) Experience building and consuming web services with security and versioning in mind. Entity Framework / Dapper / ADO.NET Knowledge of ORM tools and raw data access strategies. Front?End Integration Understanding of HTML5, CSS3, responsive design, and browser compatibility. Unit Testing Writing and maintaining unit tests for both front?end and back?end code. Version Control Systems Experience with Git. Fine?grain authorization Proven experience designing and implementing solutions such as RBAC, ABAC, or similar. Security compliance Applying security standards and regulations related to data access and authorization.
Interview Requirements
INTERVIEW NOTES: PLEASE NOTE: A real?time screenshot photo of the candidate MUST be uploaded to candidates bid upon confirming the interview. Please see "DCF Realtime Photo Requirement & Instructions" document in the Attachments section of this posting for details. Phone and web?based interviews will be acceptable. However, an in?person interview may be required. Interviews will be set up shortly after the posting close date. MUST provide three (3) business references for the interview. (One reference must be a supervisory level.) Candidate MUST be physically located in the United States. International candidates/phone numbers will not be accepted. Candidate must follow ALL DCF work rules. Candidate must be available to perform all work during the Central Standard Time (CST) business hours 9:00?am 3?pm (or CST hours as defined by the hiring manager). Candidate will be required to provide their own equipment for this position (See job description for required specifications). Duration: 6/30/2026, with the potential to extend for an additional term(s). Onsite, hybrid or remote: Candidate MUST be a WI resident or willing to relocate to WI prior to starting the role at their own expense. 90?100% remote but can require staff to come onsite as necessary with sufficient notice.
Contact
Call 502?379?4456 Ext 100 for more details. Please provide Requirement id: 155644 while calling. EEO Statement
EOE Protected Veterans/Disability #J-18808-Ljbffr