Top Principal Software Engineer Jobs in San Francisco, CA

The Staff/Principal Software Engineer will lead the development of full-text search capabilities, focusing on search infrastructure, collaboration, and innovative solutions in AI applications at Pinecone.

Seeking a Principal Software Engineer to build developer products for LLM applications, ensuring high-quality tools and APIs while leading engineering practices and collaborating across teams.

The Principal Software Engineer will provide technical and architectural leadership in data engineering, focusing on strategy, innovation, and ensuring successful production deliveries while fostering teamwork and mentoring.

Lead design and implementation of Generative AI features, mentor engineers, ensure performance and reliability, collaborate with product teams, and maintain high quality standards.

The Principal Software Engineer, Applied AI will lead the integration of AI into data apps, mentor teams, and ensure system reliability at scale through full stack development using React and Python.

The role involves developing sensor-fusion models for autonomous driving, optimizing model deployment, and leading technical teams in machine learning engineering.

Develop and optimize backend systems for AI/ML applications, collaborate with scientists to improve data processes, and build scalable solutions.

As a Senior/Principal Software Engineer in AI Enablement, you'll design and develop scalable AI/ML systems, collaborate with scientists and product managers, and optimize data-driven workflows.

As a Principal Software Engineer, you'll design automation systems for Kubernetes runtime, manage GPU packages, and enhance reliability for AI developers.

The Principal Software Engineer will architect and develop inferencing software for AI applications, perform performance analysis, and collaborate across teams to guide AI inferencing directions.

As a Principal Backend Software Engineer, you'll design and develop core modules for the elluminate platform, engage in all software development lifecycle phases, and provide technical guidance and support to the Engineering team.

As a Principal Software Engineer, you'll lead technical initiatives, ensure system reliability, mentor engineers, and influence technical strategies that align with business goals.

The Principal Software Engineer will lead technical initiatives, design scalable software, mentor engineers, and influence system architecture in IoT projects.

As a Principal Software Engineer, you'll lead complex projects, build scalable systems, and integrate EHRs while driving technical improvements and collaborating with cross-functional teams.

The Principal Software Engineer at Fetch will design and scale intelligent systems for personalized consumer experiences, lead technical initiatives, mentor engineers, and influence technical strategies across the organization.

The Principal Software Engineer will lead technical initiatives, develop scalable solutions, mentor teams, and drive system architecture for a connected equipment platform.

The Principal Software Engineer will enhance and maintain software products, design and develop new applications, mentor staff, and ensure software quality and standards. They will lead while applying Agile methodologies and collaborate with product teams.

Designs and implements software prototypes, analyzes new technologies, and provides development support to improve customer experience in civic tech projects.

Design and build open-source Pulumi SDKs, ensure code quality, lead projects, and contribute to the developer community.

Lead the design and development of ML infrastructure for autonomous driving, collaborating with ML teams and mentoring engineers in the process.

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

Design, develop, and implement gameplay, UI, and systems in Unreal Engine and C++ while collaborating across teams for an MMO game.

As a Principal Software Engineer, you will lead collaboration with product and engineering teams, architecting solutions and mentoring team members while ensuring compliance with best practices.

As a Principal Software Engineer, you'll drive technical architecture, mentor teams, and lead software development projects while contributing to code and best practices.

Lead the design and implementation of full-stack solutions while mentoring junior engineers and driving agile development practices within the organization.