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Senior Software Engineer (.NET)

3STEP Sports
Glenview, IL Full Time
POSTED ON 4/24/2026
AVAILABLE BEFORE 5/23/2026
Why Join Us?

  • Work on meaningful products used by athletes and families nationwide
  • Direct impact on a rapidly growing, multi-brand platform

About 3STEP Sports

3STEP Sports has an exciting opportunity for you to join a growing and leading organization in the youth sports space. At 3STEP Sports we do everything for one purpose: to unite people and unlock potential through the power of sport. As the largest and most connected youth sports organization with more than 2 million athlete participants in clubs and events across seven sports, we bring sport to more athletes than any other organization in the country. By investing in our athletes and our team, both on and off the field, we’re shaping champions for life and empowering people through sport.

To learn more visit: www.threestep.com

About The Position

Job Title: Senior Software Engineer (.NET)

Employment Type: Full-time/Exempt/Salary

Location: Hybrid in Glenview, IL - ONSITE 1-2 days per week. LOCAL Candidates ONLY will be considered.

Travel: Occasional travel to our sites and events

Position Overview

3STEP Sports is looking for a Senior Software Engineer (.NET) to actively support our proprietary technology PlayerFirst Tech. This is an opportunity to contribute your expertise to an industry leading application that is relied on by tens of thousands of parents and athletes every day. You will deliver web applications that provide rich user experiences, and collaborate with other engineers, product stakeholders, and UX to build, improve, and maintain the company’s large proprietary codebase.

Key Responsibilities

  • Design, build and maintain excellent applications with clean code in C# and JavaScript
  • Create fast, reliable UI using ASP.NET Web Forms
  • Build responsive UIs with JavaScript, including React, vanilla JS, and our custom tooling
  • Build reusable code and libraries
  • Write unit and integration tests
  • Work with product management and UX to refine efficient solutions
  • Maintain and author REST APIs
  • Collaborate with fellow developers and the larger technology team, to share knowledge and help each other as problems arise
  • Follow best practices for AI-assisted coding

Requirements

  • 8 years of professional software engineering experience
  • In-depth knowledge of HTML, CSS, JavaScript, C#, ASP.NET, and REST APIs
  • Solid experience with React, or comparable client development
  • Strong proficiency in JavaScript, and related web technologies such as nodejs build systems
  • Clear understanding of writing reusable, readable code
  • Ability to create and maintain continuous integration and delivery of applications
  • Excellent ability to self-organize and communicate in a remote work environment

3STEP Sports Benefits Package Includes

  • Competitive compensation
  • Comprehensive benefits package, including medical, dental, vision, FSA/HSA accounts, life insurance, paid holidays, and a generous PTO plan, as well as other elective insurance options
  • 401K retirement savings plan with company match
  • Paid Parental Leave

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, age, disability, gender identity, marital or veteran status, or any other protected class.

Salary.com Estimation for Senior Software Engineer (.NET) in Glenview, IL
$79,776 to $97,581
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