Sr Software Engineer (Hybrid) Bolingbrook, IL

S&S Activewear LLC

$117K — $133K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience with C# and .NET (Core or later)
  • Hands-on experience with modern UI frameworks like React, Angular, Vue, or Blazor
  • Strong skills in modern JavaScript and CSS for responsive design
  • Experience in API design and development, particularly REST and JSON
  • Proficiency in SQL and relational databases
  • Understanding of microservice architecture and cloud deployments (preferably Azure or AWS)
  • Excellent problem-solving and communication skills

Responsibilities

  • Design, build, and maintain high-performance web applications using C#, .NET, and Razor/Blazor
  • Develop and optimize RESTful APIs for integration with e-commerce and internal systems
  • Collaborate with cross-functional teams to align technical solutions with business needs
  • Perform testing and optimizations to enhance application performance and user experience
  • Troubleshoot and maintain existing applications to ensure reliability
  • Mentor junior developers and contribute to architectural decisions
  • Manage a mix of maintenance (20%) and new development (80%) tasks

Benefits

  • Comprehensive benefits package including medical, dental, vision, and life insurance
  • 401(k) plan with company contributions
  • Flexible Spending Accounts to support health-related expenses
  • Generous vacation, personal, and sick time policies
  • Employee discounts on brand-name apparel
  • Engagement in fun employee events and growth opportunities
  • Fast-tracked benefits initiation from 0-90 days after hire
Full Job Description
ABOUT THE ROLE

S&S Activewear, the leading nationwide distribution company in the apparel and fashion industry is seeking a highly skilled Sr Software Engineer to join our growing Software Engineering Team to help build and evolve our highly transactional eCommerce platforms and core business systems.

In this role, you will design, develop, and enhance scalable, high-performance applications and APIs using C# and modern .NET technologies. You'll play a critical part in powering our ordering systems, integrations, and customer-facing solutions, working across a modern UI stack and collaborating closely with product, UX, and business stakeholders.

You'll contribute to business-critical initiatives with real customer impact, while innovating on a fully in-house developed web platform and ERP system. Our teams operate in a fully agile, product-driven environment that encourages ownership, technical influence, architectural improvement, and the delivery of high-quality solutions at scale.

SCHEDULE

Monday-Friday 8AM-5PM, Full-Time, Exempt.

Hybrid Schedule Available - 220 Remington Blvd, Bolingbrook, IL

Salary Range: $117,000.00 - $133,000.00 annually, plus STI

BENEFITS

We offer a comprehensive benefits package designed to support your life, health, and future. Benefits begin 0-90 days after hire and include Vacation, Personal, and Sick time; Medical, Dental, Vision, Life Insurance, and Disability coverage; Flexible Spending Accounts; and a 401(k) plan. You'll also enjoy discounts on brand-name apparel, fun employee events, and meaningful opportunities for growth and advancement. Join a company that invests in you from day one

WHAT YOU WILL DO

  • 20% maintenance and 80% new development
  • Design, build, and maintain web applications using C#, .NET, and Razor/Blazor.
  • Develop and optimize RESTful APIs to support integrations with e-commerce platforms, customer systems, and internal applications.
  • Collaborate with cross-functional teams to translate business needs into technical solutions.
  • Proactively test and optimize applications to eliminate defects, improve performance, and ensure a smooth user experience. Ensure code quality through best practices, testing, and peer reviews.
  • Optimize application performance, reliability, and scalability through code optimization, caching strategies, and other techniques.
  • Troubleshoot, debug, and maintain existing applications to ensure reliability and performance.
  • Mentor junior developers and contribute to architectural decisions.

WHAT WE'RE LOOKING FOR
  • 5+ years of professional experience with C# and .NET (Core or later).
  • Hands-on experience with UI frameworks (React, Angular, Vue, Blazor, or other similar technologies).
  • Strong hands-on experience with modern JavaScript and CSS, including building responsive, maintainable user interfaces and optimizing client-side performance.
  • Experience using responsive design patterns across multiple devices.
  • Strong experience in API design and development (REST, JSON, etc.).
  • Proficiency with SQL and relational databases.
  • Solid understanding of microservice architecture and cloud deployments (Azure or AWS preferred).
  • Excellent problem-solving skills and strong communication abilities.


Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear.

Working Environment

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines. Reasonable accommodations may be made to enable people with disabilities to perform the essential functions.

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