Principal, Software Engineer Jobs in San Francisco, CA

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Sr. Staff Embedded Software Engineer

Rivian

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Palo Alto, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 60+ days ago | Updated 9 hours ago

Staff Software Engineer, Energy Design Applications

Tesla Motors

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Fremont, California, USA

Full-time

We are seeking a skilled Staff Software Engineer with a focus on backend development to join our Energy Design team at Tesla. The ideal candidate will be proficient in C# and have hands-on experience with AutoCAD libraries/plugins. This role involves designing, developing, and maintaining backend systems to support Tesla's Energy Design Model, ensuring seamless integration with various design components and databases like MySQL. You will play a critical role in enhancing our design model archite
Posted 40 days ago | Updated 9 hours ago

Principal Software Developer - Virtual Networking (OCI)

Oracle Corporation

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Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 60+ days ago | Updated 9 hours ago

Principal Software Developer - Virtual Networking (OCI)

Oracle Corporation

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Remote or Austin, Texas, USA

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 60+ days ago | Updated 9 hours ago

DPHM ADEM Modeling Lead, Principal Engineer (Hybrid)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s
Posted 3 days ago | Updated 9 hours ago

Senior Software Engineer, Frontend

Roblox

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San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 60+ days ago | Updated 9 hours ago

Principal Engineer, Full Stack Developer (Remote)

Shield AI Inc

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Remote

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 12 days ago | Updated 9 hours ago

Staff or Sr. Software Engineer, ML Platform

Salesforce

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San Francisco, California, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving you
Posted 60+ days ago | Updated 9 hours ago

Staff, Software Engineer - Conversational AI

Walmart Inc.

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Remote or Sunnyvale, California, USA

Full-time

Position Summary What you'll do Cortex Team is Walmarts core A.I. conversational platform, powering the vision of delivering the worlds best personal assistants to Walmarts customers, accessible via natural voice commands, text messages, rich UI interactions, and a mix of all of the above via multi-modal experiences. We believeconversationsare a natural and powerful user interface for interacting with technology and enable a richer customer experiences both online and in-store. We are building
Posted 60+ days ago | Updated 9 hours ago

Staff Software Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Staff Software Engineer to join one of our top clients remotely. This role is an exciting opportunity for a seasoned engineer with a passion for healthcare innovation and a proven track record in software development, team leadership, and problem-solving. Youll be joining a mission-driven team on the forefront of revolutionizing preventative healthcare through advanced diagnostics, personalized insights, and scalable tech. If youre energized by the idea of building technology t
Easy Apply
Posted 60+ days ago | Updated 13 days ago

Staff AI/ML Software Engineer

ServiceNow, Inc.

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Remote or Santa Clara, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 25 days ago | Updated 9 hours ago

CD&A - Principal Machine Learning Engineer

Amgen Inc

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Remote or Deerfield, Illinois, USA

Full-time

Career Category Sales & Marketing Operations Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach million
Posted 4 days ago | Updated 9 hours ago

Principal Engineer, HR & Legal Technology (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description A Principal Engineer acts as a technology leader in all aspects of their daily job. This includes being responsible for architecture, best practices and operational excellence for multiple teams across Nordstrom as well as being the subject matter expert for a specific vertical. Principal Engineers are extremely proficient and self-starting individual contributors that know when to use coding as a core part of their practice as well as lead code reviews to expand their influence
Posted 60+ days ago | Updated 9 hours ago

Staff Software Engineer, Control

PsiQuantum

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Remote or Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 60+ days ago | Updated 9 hours ago

Staff AI Software Engineer, Communications Platform

Tesla Motors

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Fremont, California, USA

Full-time

As a Software Engineer specializing in AI agentic applications, you'll join a forward-thinking team dedicated to building both customer-facing and internal-facing intelligent chatbots and workflows that push the boundaries of agentic technology.You'll work on cutting-edge projects involving Retrieval-Augmented Generation (RAG), vector databases, and agentic frameworks, using Python and Go as your primary tools. This role offers the opportunity to design and deploy scalable, real-world solutions
Posted 22 days ago | Updated 9 hours ago

Staff Software Engineer, HotelTonight

Airbnb

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San Francisco, California, USA

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Launched in 2011 and acquired by Airbnb in 2019, HotelTonight is a stand-alone hotel-booking service focused
Posted 60+ days ago | Updated 9 hours ago

Sr. Principal Engineer, R&D

Johnson & Johnson

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Remote or Raritan, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 8 days ago | Updated 9 hours ago

PRINCIPAL ENGINEER - STAFF ENGINEER - Spacecraft Systems Engineer

Southwest Research Institute

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Remote or San Antonio, Texas, USA

Full-time

Who We Are: The Spacecraft Development Department is a group of innovative engineers, program managers, and technicians developing unique spacecraft solutions for challenging space missions. We design and fabricate custom solutions to explore the boundaries of science or solve complex problems not yet delivered by industry to accommodate a variety of payloads. This position has the option of being a fully remote in the following states: AL, AZ, AR, CO, Dis. of Columbia, FL, GA, MA, MD, MI, MN,
Posted 25 days ago | Updated 9 hours ago

Principal Staff Artificial Intelligence Engineer

General Motors

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Remote

Full-time

Job Description Remote: This role is based remotely but if you live within a 50-mile radius of [Atlanta, Austin, Detroit, Warren, Milford or Mountain View ], you are expected to report to that location three times a week, at minimum. Role: As a Principal Staff Artificial Intelligence Engineer within the Simulation and Testing organization, you will play a critical role in leading the strategy and execution of simulation-based validation efforts for autonomous vehicle development. Your expertis
Posted 27 days ago | Updated 6 hours ago

Principal Engineer, R&D NPI Lead

Johnson & Johnson

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Remote or Jacksonville, Florida, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 12 days ago | Updated 9 hours ago