Top Principal Software Engineer Jobs in Chicago, IL

Lead the architecture of Commerce Hub by defining core domain models, building intricate systems, and mentoring engineers while influencing product strategy.

The Principal Software Engineer will lead architectural direction, integrate AI capabilities, mentor engineers, and tackle complex technical challenges for scalable systems.

Lead architecture and technical direction for Ruby on Rails and React systems, design scalable APIs and front-ends, own services/databases/infrastructure (MariaDB, Redis, Elasticsearch), use Kubernetes for scaling, integrate AI-assisted development workflows, mentor engineers, and deliver secure, well-tested production releases.

The role involves leading technical initiatives in automating network engineering for Elastic's infrastructure, developing cloud network solutions, and collaborating in a team-focused environment to enhance platform reliability.

As a Principal Software Engineer, you will lead and develop innovative technology solutions for the banking industry, focusing on Calypso platforms, Agile methodologies, and software development best practices.

Lead the development of a robotics data platform, focusing on data enablement, API architecture, and mentoring engineers in complex system designs.

As a Principal Software Engineer, you will lead the Containers team to develop features, improve tooling, maintain quality, and mentor engineers while shaping technical direction for Chainguard Images.

The role involves designing and developing secure software solutions, focusing on innovative sensor technology for Linux environments, and enhancing customer adoption through collaboration.

Design and develop scalable features for secure software. Advocate for quality standards and engage with customers. Work remotely with a focus on product improvement.

The Principal Software Engineer will build systems for safe software deployment, enhance developer frameworks, and ensure reliability in code delivery.

Design, develop, and maintain scalable software solutions. Collaborate with teams to troubleshoot issues and enhance the software delivery lifecycle. Focus on backend services, using Java and various tools for performance optimization.

As a Principal Software Engineer at Vanta, you'll lead engineering initiatives for the Governance, Risk, and Compliance product, mentor teams, and drive significant business impact through strategic technical direction and infrastructure development.

The Principal Software Engineer will lead D2C Growth initiatives at Aura, shaping customer acquisition strategies and mentoring engineering staff while designing innovative optimization and personalization platforms.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

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 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.

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, Cloud will lead the Cloud Platform team to define technical strategy and architectural direction, ensuring robust cloud systems for robotics and AI applications.

The Senior Principal Engineer will lead the design and development of high-performance platform tools for the biopharmaceutical industry, integrating AI capabilities, mentoring junior engineers, and optimizing system performance.

The Principal Desktop UI Software Engineer will design and develop user-friendly interfaces for medical devices, collaborating with cross-functional teams and mentoring junior members.

The Principal Rust Software Engineer will design and develop high-performance analytics systems, providing technical leadership and fostering innovation in R&D through scalable software solutions.

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

The role involves analyzing, designing, and programming software enhancements and new products for various applications, including commercial and end-user. Responsibilities include coding, testing, debugging, and documentation, along with user interaction to define system requirements.

Lead the development and implementation of predictive optimization models for renewable energy projects, focusing on energy storage and trading strategies using machine learning techniques.