Top Principal Engineer Jobs in Chicago, IL

Looking for a Principal Software Engineer - Tech Lead to enhance web applications and tech stack, focusing on full stack SaaS solutions and fostering technical excellence in an Agile environment.

As a Principal Security Engineer, you will lead security initiatives, design secure systems, automate processes, and mentor teams, ensuring safe technology usage.

The Principal Software Engineer will oversee large engineering efforts, mentor other engineers, and influence product architecture strategies in the fintech sector.

As a Principal Engineer, you will lead the Infrastructure Security Team to create and implement multi-year security strategies, architect security frameworks, and mentor engineers, ensuring security standards across cloud infrastructure.

Design, develop, and optimize high-performance trading systems; mentor junior engineers and enhance system monitoring for secure trade execution.

You will lead and mentor engineers while driving the development of solutions for autonomous vehicles using Machine Learning and software engineering principles.

The Principal Engineer acts as a Technical Lead Manager for motion planning in autonomous vehicles, directing a development team and collaborating across disciplines to enhance safety, performance, and innovation.

The Principal Engineer - Data Science leads engineering processes, provides technical consultation, and supports project management while mentoring engineers and driving technical innovations.

As a Senior+ Engineer, you will lead the design and architecture of impactful open-source projects while mentoring teams, coding, and engaging with the community.

Oversee a team to develop impactful healthcare technology using React and Ruby on Rails, setting software architecture and best practices.

The Vice President – Senior Principal Engineer will drive technology innovation, architecture, and mentoring across teams in building next-generation software solutions.

As a Principal Database Engineer, you will architect scalable PostgreSQL solutions, ensuring data reliability, performance, and collaborating with teams to build a robust data platform for GitLab's growth.

Lead the development of AI safety strategies for autonomous vehicles while ensuring compliance with industry standards, focusing on ML model validation and deployment in driving systems.

The Principal Engineer will architect and build scalable payments applications, mentor engineers, and collaborate on technology solutions while ensuring code quality and best practices.

The Principal Engineer will architect and develop scalable payment applications, mentor engineers, and ensure best practices in payments engineering.

The Principal Engineer will design and implement components for trading systems, focusing on enhancements, modernization, and collaborating with cross-functional teams.

The Principal Engineer will lead the Core Engineering teams, guide architecture decisions, mentor leaders, and maintain a platform roadmap while ensuring collaboration across products and technologies.

As Principal Software Engineer at Gusto, you'll architect scalable payroll systems, lead cross-functional projects, mentor engineers, and drive product strategy.

Lead the development of an AI framework for endpoint security, collaborate with teams, optimize solutions, and ensure model efficiency across various platforms.

Lead design and deployment of AI systems, develop agentic components, optimize performance, and mentor others in AI Engineering.

Develop algorithms for autonomous driving and create software for safe and intuitive motion planning. Collaborate with perception and control components, and mentor team members.

Lead the technical direction of Checkmate's Voice AI platform, overseeing architecture, development, and integration of LLM technologies to enhance drive-thru automation.

The Principal AI/ML Engineer will develop machine learning models for campaign optimization in AdTech, collaborating across engineering and product teams to enhance advertising capabilities.

As a Principal Engineer on the Behaviors team, you will guide the technology direction, lead complex initiatives, and mentor engineers to enhance autonomous vehicle capabilities through ML solutions.

As a Principal Software Engineer, you'll architect scalable backend systems for mobile applications, mentor teams, and influence tech strategy to support mobile-first growth.