Top Principal Software Engineer Jobs in Chicago, IL

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

As a Principal Software Engineer, you will design, develop, and implement complex software solutions, lead projects, and ensure compliance with standards in a cloud-first environment.

The Principal Software Engineer leads technical vision and architecture, collaborates with stakeholders, mentors engineers, and ensures timely delivery of scalable software solutions.

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

Lead technical vision and execution for enterprise-scale AI, automation, and data initiatives. Architect scalable, secure AI systems and data pipelines, mentor engineers, drive cross-functional alignment, and deliver high-impact production solutions that improve productivity and business outcomes.

The role involves building and optimizing a machine learning and simulation platform, supporting MLOps, model deployment, and infrastructure modernization, while mentoring engineers.

The Principal Software Engineer will define technical roadmaps, guide system architecture, mentor leaders, and drive product direction in Capital Supply operations.

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.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

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.

The Principal Software Engineer will lead technical direction for the cloud-native Health100 platform, ensuring high-quality delivery and innovations while mentoring engineers and collaborating with product and architecture leaders.

The Principal Software Engineer will design, develop, and implement complex solutions for the FedNow service, providing technical leadership and ensuring high-quality software across various technologies.

The Principal Data/Software Engineer will design and implement data pipelines, develop software solutions, optimize data platforms, and ensure compliance with standards while providing technical leadership on projects.

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.

As a Principal Software Engineer, you'll own platform-scale initiatives, shape AI direction, ensure reliability in distributed systems, and mentor others.

The Sr./Principal Software Engineer will design and implement core capabilities for SingleStore's cloud platform, focusing on scalability and reliability, while mentoring other engineers and collaborating with cross-functional teams.

The Principal Software Engineer will lead AI-powered feature development, manage complex software projects, and drive the migration from Java to Go while coordinating with a remote team.

The Principal Machine Learning Engineer will design and scale ML systems for personalization and search, mentor engineers, and lead major ML initiatives at Fetch.

As a Principal Software Engineer at Fetch, you'll design scalable systems for user engagement, drive experimentation, lead technical strategy, and mentor teams to improve engineering productivity and system reliability.

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 lead the Databricks platform on AWS, managing administration, design, security, and user enablement while mentoring a team.

The Principal Software Engineer will lead design and development of software solutions, mentor teams, and ensure alignment with company's tech strategy while driving innovation in FinTech and cloud services.

The Principal Software Engineer designs prototypes, evaluates new technologies, analyzes benefits, provides development support, and leads project teams.

The Principal Software Engineer will design and implement AI-powered SaaS applications while providing technical leadership and mentoring to the team.

The role involves enhancing Elasticsearch's performance in distributed systems, managing cluster coordination, debugging complex systems, and leading cross-team projects.