Top Principal Engineer Jobs in Chicago, IL

As a Principal Software Engineer, you will architect and develop virtualization technology for vehicle testing, mentor teams, and enhance code quality across GM products.

Leads design, development, and maintenance of technical infrastructure for software delivery, focusing on cloud automation, CI/CD, and best practices in a hands-on expert capacity.

The Principal Software Engineer will set technical direction, own cross-team initiatives, evolve platform architecture, and lead experimentation efforts while mentoring others in the Personal Loans team.

Lead the design of Xsolla's identity platform, develop Golang microservices for user management, and implement security protocols for compliance.

The Principal Perception Hardware Engineer leads the design and execution of camera-based sensing systems and optical subsystems, ensuring integration of vision technologies and delivering high-quality hardware solutions while collaborating with cross-functional teams and mentoring junior members.

The Principal Engineer - AI will lead AI/ML strategy, design solutions, mentor teams, and collaborate across functions to enhance environmental and social risk management through innovative applications of AI.

The Principal Software Engineer will lead AI automation efforts at Coinbase, designing AI-driven systems, mentoring teams, and solving complex AI challenges to improve operations and developer productivity.

Lead architecture and development of high-performance, scalable cloud firewall services. Design, implement, and test low-latency L3-L7 security systems, build CI/CD and test infrastructure, coordinate across product, QA, and support, and ensure reliability, scalability, and observability for enterprise customers.

Lead systems engineering for infusion medical devices: develop and manage system/subsystem requirements, ensure regulatory compliance (DHF, ISO, IEC, FDA), support risk management, V&V, and cross-functional design activities, investigate root causes, and document system assessments throughout the product lifecycle.

This role leads the ML Acceleration team, focusing on enhancing ML model training efficiency and team management, while driving technical strategy and collaboration.

The Principal Engineer will define and build cloud-native platforms, solve complex problems, mentor teams, and align technical vision with business strategy.

As a Principal Engineer, you will design and maintain internal pipeline tools, develop creative applications, and lead on technical projects, ensuring efficient workflows across teams.

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.

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.

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

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.

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 architecture vision for D2C platforms focusing on AI, define scalable roadmaps, guide technical design, and promote collaboration and innovation across teams.

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

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

Lead electrical monitoring and analysis across AssetWatch's multi-sensor platform. Own measurement design, validation, and interpretation of electrical signals for diagnostics. Collaborate with hardware, software, product, and UX teams to integrate electrical insights, scale field-ready solutions, and expand into new electrical applications and energy-related use cases.

This role involves architecting an AI-powered data pipeline platform, leading teams, collaborating with stakeholders, and promoting best practices in cloud-native development.

Design and implement full-stack applications and AI agents to enable rapid development and deployment of AI solutions in critical industries. Mentor engineers and take ownership of projects while applying secure SDLC practices and collaborating with cross-functional teams.

This role is responsible for obtaining regulatory approvals for Dyson products, managing local compliance processes, and engaging with regulators and industry standards.

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