Top Principal Engineer Jobs in Chicago, IL

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

The Principal Software Engineer at Dropbox leads technical strategy and execution on critical software systems, focusing on AI integration and product development across teams. The role requires deep technical expertise and a collaborative approach to shaping company objectives and long-term strategies.

The Principal Engineer will lead technical strategy, mentor teams, contribute to codebase, manage cloud infrastructure, and enforce security practices.

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.

Lead design, build, and optimization of Sezzle's large-scale data warehousing and pipelines. Own data infrastructure KPIs/SLAs, improve Redshift performance, evolve the data stack, implement ETL/ELT workflows, and partner with cross-functional teams to deliver reliable, scalable datasets.

The role involves designing and optimizing custom antennas, leading phased array systems development, electromagnetic simulation, and integration with RF architecture. Collaboration with customers to define requirements and participation in business development are also key responsibilities.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

The Principal Engineer provides technical leadership for engineering productivity, influences platform direction, and improves developer experience through assessment and implementation of solutions across teams.

The role involves leading Cloud Security strategy, enhancing security posture, managing infrastructure requirements, and collaborating across teams to ensure robust security in blockchain services.

Technical individual contributor and hands-on leader responsible for architecting cross-border money movement and digital asset settlement systems, resolving scalability and security challenges, mentoring engineers, shaping product and technical strategy, and ensuring resilient, compliant payment platforms across teams.

The Principal Engineer oversees the design and integration of propulsion systems, conducts fluid analysis, develops specifications, and guides engineers.

The Principal Electrical Engineer will lead system-level architecture for electrical designs, mentor engineers, drive engineering best practices, and ensure high-quality product delivery from concept to production.

As a Principal Engineer, you'll lead large projects, design architecture, debug production issues, and mentor staff while shaping future-proof interfaces.

The Principal Engineer leads architectural strategies and technical initiatives across engineering teams, optimizing system performance, ensuring compliance, and mentoring engineers in a healthcare solutions environment.

Responsible for leading the development of AI agents and systems, designing infrastructure for agent capabilities, and managing a team of engineers while ensuring system reliability and scalability.

As Principal Software Engineer, lead the design and implementation of the Identity Platform, focusing on security, scalability, and user experience. Collaborate with stakeholders to define technical direction and innovate within the team.

Technical leader defining architecture and implementation for agentic AI in clinical workflows. Decompose workflows into multi-agent systems, select orchestration tools, drive productionization, partner with product and data science, ensure alignment with reference architecture, and maintain documentation and evaluation practices to deliver clinical value.

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

The role involves developing and verifying SoCs using ASIC and FPGA technologies, creating test plans, and debugging with team collaboration.

The Principal Engineer leads software system design for NPI projects, ensuring compliance, fostering innovation, and providing technical guidance while managing risks and mentoring teams.

Lead the design, development, and deployment of foundational ML systems, influence architecture, mentor engineers, and drive strategic initiatives within SailPoint's AI team.

As a Principal Software Engineer, you will write scalable SaaS solutions, optimize performance, and address technical debt while collaborating across teams.

The Principal Data Platform Engineer leads the design of data architectures, implements data platform patterns, and optimizes system performance, ensuring data strategy operates at scale.

The Principal Sales Engineer will architect technical strategies for public sector accounts, lead Proof of Value engagements, and collaborate across sales ecosystems to advocate for federal requirements.

The Principal Engineer leads technical direction and architecture for large-scale systems, ensures engineering excellence, manages platform health, and mentors team members.