Top Principal Software Engineer Jobs in San Francisco, CA

The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.

Lead the design and operation of the Gradient AI platform, focusing on scalability, performance, and innovation in agent development. Mentor engineers and collaborate across teams to deliver strategic technical roadmaps and enhance operational excellence.

The Principal Software Engineer will architect and implement fraud detection and AML solutions, develop risk models, and optimize decision engines using advanced technologies and data analytics.

Lead the technical strategy for developer tools in a financial services company, focusing on AI-enabled development practices. Responsibilities include architectural design, mentorship, and driving innovation in software development.

The Principal Software Engineer will lead teams to enhance Gusto’s Payroll and Tax systems through design, implementation, and mentorship, ensuring quality and compliance across complex software solutions.

The Senior Principal Engineer will lead the evolution of Revenue Technology at Atlassian, focusing on scalable solutions for Sales, Marketing, and Finance workflows while mentoring engineers across teams.

The Principal Software Engineer will architect and build platform features, lead technical discussions, mentor engineers, engage with stakeholders, and innovate on core services to drive technical impact for FloQast applications.

Join Freed as a Principal Software Engineer, leading full stack development and AI integration to improve healthcare solutions for clinicians.

As a Staff/Principal Software Engineer, you will design and operate CI infrastructure, enhance developer experience, build scalable systems, and lead projects for CI services and artifact management.

The role involves providing AI leadership, influencing technical direction, driving innovation, mentoring engineers, and collaborating across teams to adopt AI in software development.

Lead technical strategy for Dropbox's core systems and AI integration, drive technical outcomes, and influence multiple teams. Involve hands-on software development and architecture for scalable products.

The Senior Principal Software Engineer will tackle complex problems, lead a large team, partner across departments, and apply architectural standards for scalable solutions.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

The Principal Software Engineer will lead cross-team initiatives, define system architecture, mentor engineers, and engage in critical implementations to enhance reliability and team effectiveness.

As a Principal Software Engineer, you'll design scalable cloud storage architectures, optimize performance, and collaborate with teams to enhance storage solutions for AI workloads.

As Principal Software Engineer at Gusto, you'll architect scalable payroll systems, lead cross-functional projects, mentor engineers, and drive product strategy.

The Principal Software Engineer will lead the technical direction for Platform-as-a-Service at DigitalOcean by designing scalable systems, mentoring engineers, and collaborating across teams to enhance developer experience and platform performance.

Lead engineering initiatives, establish technical vision, mentor teams, and drive cross-functional changes to enhance operational software at BuildOps.

Design and build scalable backend platforms for regulated scientific workflows, ensuring compliance and reproducibility while enhancing performance and usability across cloud environments.

As a Principal Software Engineer - Storage at Wasabi, you'll design and improve storage software, addressing high reliability, security, and scalability in cloud storage services.

This role involves designing and developing core modules for an enterprise-level clinical data platform, ensuring compliance with quality standards, and collaborating with teams for software development and testing.

As a Principal Software Engineer, you'll architect scalable backend systems for mobile applications, mentor teams, and influence tech strategy to support mobile-first growth.

The Principal Backend Software Engineer leads complex architecture projects, unblocks development challenges, and mentors junior engineers while ensuring high-quality code standards.

The Principal Frontend Software Engineer will develop enterprise-grade applications, improve feature quality, mentor junior engineers, and oversee system operations.

The Principal Software Engineer will lead the development of autonomous systems for satellites, overseeing architecture and capabilities while mentoring engineers. Responsibilities include guiding algorithms for satellite operations and ensuring software integration across mission elements.