Senior Software Developer - Lead Enterprise Web Platform

Uline; Milwaukee (WI); On-site; USD 110,000 - 148,000; Full time

Benefits offered by this job

Complete health insurance coverage

401(k) with 6% employer match

Multiple bonus programs

Paid holidays and generous PTO

Tuition Assistance Program

On-site café and fitness center

Job summary

Uline, a family-owned company, is seeking a Senior Software Developer to shape the future of Uline.com. You will use your full-stack expertise to build and modernize a business-critical web platform serving thousands of customers across North America.

As Uline evolves this platform, you’ll influence architecture and deliver reliable, high-performing solutions at enterprise scale. Provide technical leadership, mentor developers and collaborate with teams across Uline to continually improve the

Qualifications

• Bachelor's degree in Computer Science, Information Technology or related field.
• 5+ years of software development experience, including web or eCommerce apps using .NET, Java, JavaScript or TypeScript.
• Experience with observability/monitoring tools such as Kibana, Elasticsearch or Dynatrace, or data integration tools such as NiFi preferred.
• Strong problem-solving, technical leadership and collaboration skills.
• Uline does not participate in the H-1B lottery.

Responsibilities

• Design, develop and modernize large-scale web applications, influencing architecture and technical direction for Uline.com.
• Contribute to project planning, architecture discussions and code reviews for complex initiatives from planning through delivery.
• Partner with teams across Uline to improve application performance and deliver solutions that enhance the customer experience.
• Mentor and coach developers, providing technical guidance and helping resolve engineering challenges.
• Explore and apply AI-powered solutions and emerging technologies, including Claude Code, GitHub Copilot, Azure AI and vector search, as part of ongoing modernization.

Skills

.NET

Java

JavaScript/TypeScript

Full-stack development

Technical leadership

Education

Bachelor's degree in Computer Science, Information Technology or related field

Tools

Kibana

Elasticsearch

Dynatrace

NiFi

GitHub Copilot

Claude Code

Azure AI

Job description

Uline, a family-owned company, is seeking a Senior Software Developer to shape the future of Uline.com. You will use your full-stack expertise to build and modernize a business-critical web platform serving thousands of customers across North America.

As Uline evolves this platform, you’ll influence architecture and deliver reliable, high-performing solutions at enterprise scale. Provide technical leadership, mentor developers and collaborate with teams across Uline to continually improve the