Hybrid Software Engineer - C#/.NET for Ecommerce Platform

Activewear, LLC; Bolingbrook (IL); Hybrid; USD 105,000 - 108,000; Full time

Job summary

S&S Activewear, a leading nationwide apparel distributor, is seeking a skilled Software Engineer to join our growing Software Engineering Team and help evolve our transactional eCommerce platforms and core business systems.

You will design, develop, and enhance scalable applications and APIs using C# and modern .NET technologies, supporting ordering systems, integrations, and customer-facing solutions with a modern UI stack, in a fully agile, product-driven environment.

Qualifications

• 3+ 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).
• 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.
• Experience in API design and development (REST, JSON, etc.).
• Proficiency with SQL and relational databases.
• Excellent problem-solving skills and strong communication abilities.

Responsibilities

• 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.

Skills

C# & .NET

UI frameworks

JavaScript & CSS

Responsive design

API design

SQL

Problem solving

Job description

S&S Activewear, a leading nationwide apparel distributor, is seeking a skilled Software Engineer to join our growing Software Engineering Team and help evolve our transactional eCommerce platforms and core business systems.

You will design, develop, and enhance scalable applications and APIs using C# and modern .NET technologies, supporting ordering systems, integrations, and customer-facing solutions with a modern UI stack, in a fully agile, product-driven environment.