Senior Software Engineer & Tech Leader

McMaster-Carr; Chicago (IL); On-site; USD 235,000 - 310,000; Full time

Benefits offered by this job

Relocation stipend

Signing bonus

Mentorship programs

Employee resource groups

Medical, dental, vision plans with no月

Paid parental leave

Industry-leading retirement accounts

Job summary

McMaster-Carr is a leading e-Commerce company serving industrial customers for over 120 years. We offer end‑to‑end ownership, fast delivery, and a culture emphasizing clear execution and long‑term growth.

This role provides a pathway to senior engineering management and technical leadership, with growth tied to impact rather than tenure. As an engineer on our platform, you will tackle high‑impact domains like AI assistants, advanced search/navigation, end‑to‑end ordering, and

Qualifications

• 4+ years of professional fullstack or backend software engineering.
• Experience delivering proof‑of‑concepts and resilient production systems.
• Ability to design with SOLID principles and system architecture in mind.
• Experience collaborating cross‑functionally with operations, product, and UX teams.
• Commitment to mentoring and coaching teammates to raise the team's output.
• Track record of building scalable platforms and customer experiences.

Responsibilities

• Learn goals and map the customer journey while delivering small, impactful features in the codebase.
• Deliver durable, thoughtful solutions that improve the customer experience and create team momentum.

Skills

Fullstack/Backend engineering

Systems Design

Cross-functional collaboration

Mentoring

Problem solving

Tools

Selenium

Playwright

Xunit

Jest

Kafka

MQ

Job description

McMaster-Carr is a leading e-Commerce company serving industrial customers for over 120 years. We offer end‑to‑end ownership, fast delivery, and a culture emphasizing clear execution and long‑term growth.

This role provides a pathway to senior engineering management and technical leadership, with growth tied to impact rather than tenure. As an engineer on our platform, you will tackle high‑impact domains like AI assistants, advanced search/navigation, end‑to‑end ordering, and