Principal Software Engineer - Own C# & Azure Backend

McKinsey; Elgin (IL); On-site; USD 147,000 - 234,000; Full time

Benefits offered by this job

Mentorship

Benefits

Growth opportunities

Job summary

McKinsey & Company is growing its technology group in Elgin, IL and seeks a Principal Software Engineer who treats reliability as a feature, not an afterthought. You’ll own C# projects and ship with a team that values collaboration.

You’ll design backend services, review PRs, contribute to sprint planning, and help shape the technology roadmap while balancing Azure tradeoffs with product needs.

Qualifications

• Must have a track record of ownership over software projects.
• Strong backend design and delivery-focused mindset.
• Experience negotiating cloud tradeoffs (Azure) with product teams.
• Demonstrated leadership and ability to ship complex features.

Responsibilities

• Design, build, and maintain reliable backend services.
• Review pull requests and uphold engineering standards.
• Contribute to sprint planning and technology roadmap discussions.
• Negotiate Azure tradeoffs with product teams.
• Lead technical design reviews for major initiatives.
• Prototype ideas quickly and evaluate for production use.
• Pair Active Listening with Azure components in pipelines.

Skills

Ownership of C# projects

Backend design

Azure experience

Leadership and shipping

Tools

C#

Redis

Tailwind CSS

Job description

McKinsey & Company is growing its technology group in Elgin, IL and seeks a Principal Software Engineer who treats reliability as a feature, not an afterthought. You’ll own C# projects and ship with a team that values collaboration.

You’ll design backend services, review PRs, contribute to sprint planning, and help shape the technology roadmap while balancing Azure tradeoffs with product needs.