Senior .NET Developer — Remote/Hybrid (Wisconsin)

IO Datasphere, Inc.; Madison, Northern (WI, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

IO Datasphere, Inc. in Madison, WI is seeking a senior .NET developer to design and implement web-based apps using ASP.NET MVC and C#. You will work on front-end and back-end development, APIs, and participate in Agile processes.

Strong communication, problem-solving, and experience with Kendo, MS SQL Server, GitHub, and Okta/Entra are required. Hybrid or mostly remote work within Wisconsin is offered with WI residency required.

Qualifications

• 8+ years of experience in Web/Windows/Batch application development with .NET.
• Strong analytical and problem-solving skills with requirements/design analysis.
• Hands-on experience with ASP.NET MVC, C#, and SQL Server.
• Experience in post-production support and SDLC processes.
• Proficiency with GitHub, JIRA, and documentation practices.
• Familiarity with Okta/Entra and modern authentication methods.

Responsibilities

• Designs and develops web-based applications using .NET and MVC frameworks.
• Develops front-end and back-end components and web APIs.
• Follows Agile methodologies, creates docs, and performs testing.
• Resolves issues via debugging, research, and collaboration.
• Participates in code reviews and contributes to production support.

Skills

ASP.NET MVC

C#

Web/Windows Development

Analytical thinking

SDLC

Kendo framework

MS SQL Server

Unit testing

GitHub

JIRA

Okta/Entra

Documentation

Financial app development

Tools

MS SQL Server

IIS server

Visual Studio

GitHub

JIRA

Okta

Entra

Job description

IO Datasphere, Inc. in Madison, WI is seeking a senior .NET developer to design and implement web-based apps using ASP.NET MVC and C#. You will work on front-end and back-end development, APIs, and participate in Agile processes.

Strong communication, problem-solving, and experience with Kendo, MS SQL Server, GitHub, and Okta/Entra are required. Hybrid or mostly remote work within Wisconsin is offered with WI residency required.