Demo

Sr. .NET Developer

IO Datasphere
Eagan, MN Contractor
POSTED ON 6/10/2026
AVAILABLE BEFORE 7/10/2026

IO Datasphere, Inc. has been providing project management, software development and IT staff augmentation services to our clients in the Midwest and throughout the U.S. since 1996. We are an approved vendor on contract to provide software development and IT staff augmentation services for the States of Illinois, Michigan, Minnesota, Iowa, and Wisconsin. We also provide these services to businesses, as well as local and county governments, in the Midwest and nationwide.

Our client is seeking a Senior .NET Developer resource to work on .NET applications and services.

Tasks:

·         Design, develop, and deploy complex .NET applications and services

·         Design and build Azure app services, Function apps, database and ORM technology

·         Architect applications using Clean Architecture and Domain-Driven Design

·         Design applications with relational databases, data caching, and enterprise-sized data management

·         Oversee code reviews, enforce best practices, and mentor development team members

·         Collaborate with development team, solution architect, business analyst, product owner, and other stakeholders to define technical requirements and solution design

·         Integrate .NET applications with third-party APIs, databases, and cloud services

·         Optimize application performance, scalability, and maintainability across multiple environments

·         Establish and maintain CI/CD pipelines and development workflows

·         Troubleshoot and resolve high-priority production and development issues

·         Provide technical leadership in implementing security and compliance standards

·         Work in an Agile development environment

·         Contribute to architectural decisions, technology selection, and long-term technical planning

·         Provide knowledge transfer and technical documentation to internal teams

 

Location: St Paul, MN (Onsite)

Contract: 6 months

 

Skills Required:

·         10 years - Software development experience, including at least five (5) years of application development using .NET framework and Microsoft technologies

·         7 years - combined experience with the following front-end technologies HTML5, CSS3, JavaScript

·         7 years - combined experience in one or more of the following frameworks: Angular, React, or Blazor

·         3 years - experience writing applications in Azure cloud and deploying code using CI/CD pipelines

 

Skills Desired – A plus to have:

·         Strong knowledge of SQL Server, Entity Framework, and performance analysis tools

·         Proven ability to manage multiple workstreams in large-scale enterprise projects

·         3 years’ experience designing and implementing CI/CD pipelines that automate build, with hands-on work in API design, microservices architecture, distributed systems, and Azure Application

·         Performance Monitoring

·         7 years’ experience writing automated unit tests

·         3 years’ experience with database design and development using SQL Server or Azure SQL

 

*** Candidates authorized to work in the US are encouraged to apply. We can accept H1b, , TN, and other valid work visas for IT. However, we cannot accept OPT or CPT visas at this time.

*** Companies submitting candidates should only submit direct W2 employees for this position.

Hourly Wage Estimation for Sr. .NET Developer in Eagan, MN
$49.00 to $59.00
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