Top Principal Engineer Jobs in Chicago, IL

As a Principal Mobile Software Engineer, you'll lead mobile platform development, scale React Native architecture, mentor engineers, and collaborate across teams to build impactful features.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

The Principal ML Engineer at Agero will develop and productionize a Dispatch System using ML models, optimize decision-making processes, and lead a team to improve operational performance.

The Principal Software Engineer will lead teams in developing full-stack applications, enhance services, drive architectural discussions, and mentor other engineers.

Lead design and implementation of enterprise-grade AI systems, architect AI infrastructure, and drive technical strategy for AI-powered products primarily for military applications.

The Principal Electrical Systems Engineer will lead the development of prototypes, design reusable modules, and evaluate new technologies for future product platforms, collaborating across teams.

The Principal Product Analytics Engineer leads the design and architecture of Toast's product analytics ecosystem, ensuring reliable and scalable data for analysis across various platforms. This role involves creating data frameworks, implementing quality controls, and collaborating with cross-functional teams to support data-driven product development and AI insights.

Lead modernization of CI/CD processes by migrating pipelines to GitHub Actions. Develop AI automation for migration and governance, ensuring best practices in platform tooling and developer experience.

Lead the vision, architecture, and development of back-end systems; oversee infrastructure and guide technical strategy while mentoring a software engineering team.

Lead application security strategy at Upstart, focusing on threat modeling, application security controls and influencing engineering to enhance security posture across products.

Lead the design and execution of radar sensing platforms and wireless communication subsystems. Collaborate cross-functionally, innovate with the latest technologies, mentor team members, ensure quality and reliability in RF designs, and troubleshoot complex issues.

As a Principal Engineer for AI Systems, you will lead AI implementation and integration across the organization, ensuring compliance, enhancing workflows, and managing AI technology platforms while collaborating with various teams to drive efficiency and support AI adoption.

As Principal Product Manager, you'll drive the evolution of PagerDuty's developer platform, focusing on API integration and developer experience, while collaborating closely with engineering and AI teams.

The Principal Engineer will lead and implement complex services within the DNS platform, ensuring scalability, reliability, and performance while mentoring others and providing technical guidance.

Lead and manage a team developing ML models for self-driving vehicles, define motion planning projects, and collaborate with cross-functional teams to enhance performance.

As a Principal Engineer, lead the design of full-stack platforms, focusing on AI integration, scalable architectures, and mentoring engineers. Drive innovation in web, data, and communication systems.

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 Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

The Principal Engineer/Scientist will lead the development of life support technologies for aerospace applications, manage programs, engage with strategic customers, and mentor cross-functional teams while ensuring project deliverables and securing government funding.

Lead the development of air purification technologies, manage programs, mentor teams, and engage with customers for innovative solutions in space and terrestrial applications.

The Principal Engineer will lead API development and integration projects, design architectures, ensure API security and performance, and mentor team members, primarily focusing on IBM technologies.

Lead the development of perception capabilities for self-driving vehicles, focusing on computer vision and deep learning to enhance product impact and safety evaluation.

As a Principal Engineer, you will lead architectural design, mentor teams, drive software development, and enhance product capabilities for PaaS offerings.

The role involves architecting a developer experience for 500+ engineers by integrating CI/CD, testing infrastructure, and AI tools to enhance productivity and reduce friction in the software delivery lifecycle.

As a Principal Developer, you will guide technical direction and architectural strategy, mentor engineers, and elevate engineering practices in the Exposure Management product area, focusing on cybersecurity solutions.