Top Principal Software Engineer Jobs in San Francisco, CA

The Principal Software Engineer will architect data foundations and systems for Plenful's automation platform, ensuring scalability and governance in healthcare workflows with a focus on data architecture and decision tracing.

Design and build AI-first data systems, focusing on architecture, developer experience, and cross-stack execution while mentoring engineers.

As a Principal Software Engineer, you will architect WEX's Data-as-a-Service platform, set standards, guide strategy, and mentor teams while driving innovation with modern technologies.

As a Principal Software Engineer, you'll lead a team on the development of cloud identity solutions, mentor engineers, and ensure high quality in software design and implementation.

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.

As a Principal Software Engineer, you'll architect WEX's DaaS platform, establish standards, mentor engineers, drive innovation, and ensure coherent data systems.

As a Principal Software Engineer on the GenAI team, lead the design and implementation of AI-powered solutions, ensuring technical alignment and mentoring engineers.

The Principal Software Engineer will lead the architecture and development of Redpanda's Agentic Data Plane, focusing on integrating AI agents with enterprise data, improving system observability, and engaging with strategic customers.

Seeking Senior, Lead, or Principal Engineers for backend roles in building scalable AI-powered supply chain solutions, focusing on data integration and platform architecture.

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 build secure platform products, write robust Java code, understand customer needs, and document solutions.

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.

As a Principal Full-stack Engineer, you'll design and build AI-driven systems, APIs, and databases while collaborating with cross-functional teams to enhance scientific workflows.

The Principal Software Engineer designs and develops Java microservices for AI Governance, collaborates with teams, conducts code reviews, and mentors junior developers to enhance software quality.

The Principal Software Engineer will design and build the Linux-based infrastructure for satellite communication systems, ensuring performance and security. Responsibilities include software lifecycle management, system debugging, and collaborating with hardware engineers.

Design, develop, and maintain a unified data platform, focusing on API architecture, database performance, and mentoring engineers in a hybrid role.

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.

Lead cross-functional teams in software engineering, develop technical strategies, mentor staff, and design solutions to enhance financial product offerings.

The Principal Software Engineer will lead the Connectors team in designing scalable frameworks for integrating enterprise applications, mentoring engineers, and resolving complex technical challenges.

The Principal Software Engineer will lead integration domains, make architectural decisions, mentor engineers, and drive AI-driven solutions for cybersecurity tools.

Lead technical aspects of an engineering team, focusing on design, development, optimization, and mentorship of large-scale enterprise web applications, with a strong emphasis on cloud and distributed systems.

The Principal Software Engineer will lead software architecture, design, and development for genetic testing systems, collaborating across teams to deliver robust solutions that enhance patient care.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

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.