Principal Software Engineer Jobs in Illinois

39 open Principal Software Engineer jobs in Illinois at 20 companies, including Salesforce, Oracle and Palo Alto Networks. Updated daily from company career pages.

Salesforce

Datorama is a marketing intelligence platform that transforms the way marketers optimize their marketing performance.

Oracle

Palo Alto Networks

Okta

Okta is a management platform that secures critical resources from cloud to ground for workforce and customers.

U.S. Bancorp

U.S. Bancorp is a financial holding company, offers banking, investment, mortgage, trust, and payment services and products for its clients

JP Morgan Chase

JP Morgan Chase is a global financial services provider that offers investment banking, asset management, treasury, and other services.

Jones Lang LaSalle

Jones Lang LaSalle, a financial and professional services firm, specializes in commercial real estate services and investment management.

Humana

Humana creates innovative solutions and resources that help people with their healthcare needs.

Perficient

Perficient is an IT consulting firm that helps companies adapt their systems to third party software products that use internet.

DriveWealth

DriveWealth is a visionary technology company that empowers more than 100 partners around the world.

The Job Sauce

Recruiting for high growth tech companies. White glove support for both clients and candidates, making high priority placements at speed.

UL Solutions

UL Solutions turns issues in safety, security, and sustainability into opportunities for clients in over 100 countries.

Bank of Montreal

Bank of Montreal is a financial services provider of retail banking, wealth management, and investment banking products and solutions.

Baxter International

Baxter International Inc., through its subsidiaries, develops, manufactures and markets products that save and sustain the lives of people.

HUB International

HUB International is an insurance brokerage and risk management company.

Wex

Wex is a financial technology service provider for fleet, travel and healthcare industries.

CCC Intelligent Solutions

CCC Intelligent Solutions is a SaaS platform that offers digital and data services for the insurance and automotive industries.

Ankura

Ankura Consulting Group is a business advisory and expert services firm.

AHEAD

AHEAD is a solutions-based company that helps clients move to an optimized IT service delivery model.

Butterfly Network

Butterfly Network designs a medical imaging device that reduces the cost of real-time and three-dimensional imaging and treatment.

Updated 2026-10-11.