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Senior .NET/C# Developer

Quantam
Lansing, MI Contractor
POSTED ON 11/18/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Senior .NET/C# Developer position at Quantam?

Quantam Solutions provides IT solutions and consulting for various clients. We offer competitive hourly wages, health benefits, paid time off, and a 401(k) plan. We are currently seeking a Senior .NET/C# Developer. Candidates must be located within a 90-minute drive of Lansing, MI. Candidates will interview in person in Lansing, MI. There is no option for a video interview. The work schedule is hybrid, consisting of two days onsite in Lansing, MI and three days remote. There is no option for a fully remote work schedule. A Bachelor’s Degree is required for this position. Candidates must have financial domain experience to be considered.


Job Description:

The resource will work in an agile environment to write and test code to implement the user stories and requirements.


Required Skill Sets:

  • Over five years of .NET CORE 3.1 or higher (6.0 preferred) and C# experience.
  • Over five years of experience developing with REST web service interfaces or Web APIs.
  • Over five years of experience with SQL including writing and maintaining complex Select/Insert/Update statements.
  • Over three years of experience with developing code to allow users to upload documents from a website.
  • Over five years of experience with Agile/SCRUM processes and working in Sprint Development team.
  • Over five years of experience working with GIT code repository software.
  • Over five years of experience developing unit and regression tests.
  • Over three years of experience with HTML5, CSS3, JavaScript, jQuery.
  • Financial Domain experience.


Desired Skill Sets:

  • Over five years of experience developing secure websites using industry best practices (such as preventing cross site scripting or SQL injection attacks and coding logging into software functionality).
  • Over three years of experience working with Azure DevOps/ TFS using boards and code repository.
  • Familiarity with Oracle database preferred.
  • Familiarity with Design patterns preferred.
  • Familiarity with SendGrid.
  • Familiarity with Web Content Accessibility Guidelines (WCAG).
  • Familiarity with identity provider (IdP) integration using OpenID Connect (OIDC) or SAML
  • Experience working with Azure DevOps, Jira, or equivalent for SDLC management.
  • Over three years of experience working with React.js.

Salary : $58 - $63

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