Demo

Sr. .NET Developer

TEKsystems c/o Allegis Group
Lansing, MI Full Time
POSTED ON 11/19/2025
AVAILABLE BEFORE 1/18/2026

Job Details

Senior .NET Developer

Location: Hybrid - 2 days onsite in Lansing, MI
Type: Contract
Must be within 90 miles of Lansing, MI and able to interview onsite
Are you an experienced .NET developer looking for a challenging role where you can make an impact? Join a dynamic team working on a major system modernization project. This is an opportunity to contribute to building secure, scalable, and innovative solutions using the latest technologies.

Why You'll Love This Role

  • Work on a high-visibility modernization project that will transform critical business systems.
  • Collaborate in an Agile environment with a talented team of developers and analysts.
  • Leverage modern tech stack including .NET Core, REST APIs, and cloud-based tools.
  • Enjoy a hybrid schedule with flexibility and work-life balance.

Key Responsibilities

  • Design, develop, and maintain applications using .NET Core (3.1 or higher) and C#.
  • Build and integrate RESTful APIs and web services.
  • Write and optimize complex SQL queries for data operations.
  • Implement functionality for secure document uploads via web interfaces.
  • Participate in Agile/SCRUM sprints, code reviews, and testing.
  • Ensure code quality through unit and regression testing.
  • Collaborate using Git and modern DevOps tools.

Required Skills

  • 6 years of experience with .NET Core (3.1 or higher) and C#.
  • Strong experience with REST APIs, SQL, and web development (HTML5, CSS3, JavaScript, jQuery).
  • Familiarity with Agile/SCRUM methodologies.
  • Experience with Git for version control.
  • Ability to develop secure, scalable applications.

Nice-to-Have Skills

  • Experience with Azure DevOps/TFS, SendGrid, and identity provider integrations (OIDC/SAML).
  • Knowledge of Web Content Accessibility Guidelines (WCAG).
  • Familiarity with secure coding practices and cloud-based environments.

What We're Looking For

  • A proactive problem-solver who thrives in collaborative environments.
  • Someone passionate about building high-quality, secure applications.
  • Strong communication skills and ability to work in a fast-paced Agile team.

Apply now to be part of a project that truly makes a difference!
Job Type & Location
This is a Contract position based out of Lansing, MI.
Pay and Benefits
The pay range for this position is $50.00 - $60.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Lansing,MI.
Application Deadline
This position is anticipated to close on Nov 28, 2025.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Salary : $50 - $60

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Sr. .NET Developer?

Sign up to receive alerts about other jobs on the Sr. .NET Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Income Estimation: 
$82,809 - $110,162
Income Estimation: 
$102,136 - $132,353
Income Estimation: 
$63,573 - $82,434
Income Estimation: 
$82,809 - $110,162
Income Estimation: 
$102,136 - $132,353
Income Estimation: 
$123,508 - $158,121
Income Estimation: 
$123,508 - $158,121
Income Estimation: 
$132,730 - $173,376

Sign up to receive alerts about other jobs with skills like those required for the Sr. .NET Developer.

Click the checkbox next to the jobs that you are interested in.

  • Bug/Defect Analysis Skill

    • Income Estimation: $114,549 - $164,025
    • Income Estimation: $120,936 - $155,014
  • Debugging Skill

    • Income Estimation: $114,549 - $164,025
    • Income Estimation: $120,936 - $155,014
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at TEKsystems c/o Allegis Group

TEKsystems c/o Allegis Group
Hired Organization Address Canton, MS Full Time
Job Details Description Responsibilities: Responsible for the on-site management of shift technicians, sub-contractors a...
TEKsystems c/o Allegis Group
Hired Organization Address Manchester, NH Full Time
Job Details Description We are seeking cable technicians to support ongoing projects in Worcester MA, Lowell MA, and Hud...
TEKsystems c/o Allegis Group
Hired Organization Address Salt Lake, UT Full Time
Job Details Description Our community service client has a department that handles all of the financial data for the (th...
TEKsystems c/o Allegis Group
Hired Organization Address Tulsa, OK Full Time
Job Details Description Overview We are seeking a skilled Network Engineer to join the Magellan Network Group within ONE...

Not the job you're looking for? Here are some other Sr. .NET Developer jobs in the Lansing, MI area that may be a better fit.

Sr .NET Developer

Dia Software Solutions, Lansing, MI

Sr. .NET Developer

TEKsystems, Lansing, MI

AI Assistant is available now!

Feel free to start your new journey!