• Sr. .NET Developer

    TEKsystems (Lansing, MI)


    Senior .NET Developer

     

    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.

     

    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.

    h4>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.