Top Principal Software Engineer Jobs in San Francisco, CA

As a Principal Software Engineer in the Virtual Economy Products team, you will lead high-impact projects, collaborate cross-functionally to define roadmaps, drive engineering vision for scalable solutions, develop systems for creator monetization, and assist in recruiting talent.

As a Senior Principal Software Engineer at Atlassian, you will tackle complex architecture challenges, partner with engineering teams for company-wide initiatives, and lead a team of Principals to deliver transformational solutions while mentoring junior engineers.

As a Principal Software Engineer at Roblox, you will lead high-impact projects for the Virtual Products Growth team, aiming to enhance creator revenue streams. You'll work with cross-functional teams to develop a scalable, secure platform, mentor new talent, and drive growth opportunities within the creator economy.

The Senior Principal Software Engineer at Disney Entertainment & ESPN Technology will build and operate services that enhance user experiences across digital platforms. Responsibilities include leading engineering practices, collaborating with distributed teams, and leveraging metrics for application performance. This role aims to innovate and deliver key technical solutions while mentoring other engineers.

As a Principal Software Engineer, you will set the technical vision for next-generation traffic management at Affirm. Responsibilities include developing capacity planning, load testing strategies, and collaborating with other teams to optimize infrastructure and operational efficiencies.

As a Principal Software Engineer in the Data Platform Group at SoFi, you'll lead architectural designs for scalable data solutions, develop data pipelines, and mentor team members. Your role involves enhancing data analysis through innovative technologies, ensuring high-quality data operations, and fostering collaboration across teams to drive SoFi's data strategy.

The Principal Software Engineer will lead the design and development of scalable data platforms at SoFi, collaborating with teams to translate business requirements into technical solutions, mentor team members, and introduce best practices for data lifecycle management. Key responsibilities include engineering data pipelines, optimizing systems for performance and integrity, and exploring GenAI applications for data analysis.

The Principal Software Engineer will lead the Media Delivery Platform team at Snap to build and optimize an end-to-end media platform. Responsibilities include designing and scaling mobile media systems, driving media quality optimizations, collaborating across teams, and influencing technical direction for the company.

As a Principal Software Engineer at Snap Inc, you will design and implement scalable engineering components, collaborate with teams to understand product requirements, and advocate for best practices in system availability and cost management. You will also provide technical direction across the company and lead technical leadership efforts.

Oversee technical strategy and architecture in ML Inference Platform services. Design and scale engineering components to support ML inference and deployment. Collaborate across teams to deliver innovative solutions meeting product requirements. Advocate for best practices in scalability and operational excellence.

The Principal Software Engineer will create high performance mobile apps for Snap Inc, focusing on Objective-C software for Snapchat's camera features. Responsibilities include designing and implementing new features, optimizing performance, conducting code reviews, and collaborating with design teams.

As a Principal Software Engineer in Monetization at Snap, you'll build innovative ad formats and backend infrastructure to enhance advertiser value. You'll lead cross-team collaborations to deliver effective solutions and advocate for best practices in system availability, scalability, and operational excellence.

The Principal Software Engineer will oversee Snap's scalable, multi-cloud infrastructure, ensuring the operation of services. Duties include building deployments infrastructure, collaborating with teams for product solutions, and advocating for operational excellence. This role requires a strong technical direction and the ability to mentor others.

The Principal Software Engineer will push the limits of mobile devices, develop features, perform code reviews, and lead a team of Android engineers, focusing on building smooth and stable products at Snap Inc.

As a Principal Software Engineer at Affirm, you will define the technical vision for infrastructure platforms, collaborate with engineering teams, and lead innovative projects to enhance reliability and efficiency. The role involves mentoring engineers, driving strategic technological advancements, and ensuring successful delivery of complex software projects.

As a Principal Software Engineer - SDN Networking, you'll lead the development of the Software Defined Networking strategy, working hands-on with the engineering team. Your responsibilities include design, code reviews, and developing high-performance networking infrastructure utilizing technologies such as XDP/EBPF and DPDK, with a strong focus on Linux Kernel development.

As a Principal Software Engineer at Roblox, you will lead the development of innovative features across various platforms, collaborate with the game developer community, and enhance gameplay systems. Your role includes maintaining code, designing intuitive solutions, and working on cross-platform projects.