Software Engineer jobs in California

Notion

Full-time · San Francisco, CA · $175,000 – $240,000 · Remote

A Forward Deployed Engineer embeds with enterprise customers to design and build custom integrations, AI agents, and data solutions on Notion's platform, acting as both technical implementer and trusted advisor. This role suits experienced engineers who enjoy hands-on problem-solving across the full implementation lifecycle and want to shape how enterprise customers adopt complex technical platforms.

Listed on Notion’s careers site · Apply there ↗

Together AI

Full-time · San Francisco, CA · $160,000 – $230,000

Together AI is seeking a senior backend engineer to build distributed systems and cloud infrastructure for their AI acceleration platform, managing GPU scheduling, global compute resources, and customer-facing cloud services. This role suits experienced system builders comfortable with large-scale distributed architecture, Kubernetes, and database design.

Listed on Together AI’s careers site · Apply there ↗

Shield AI

San Mateo, CA · $234,240 – $351,360

Shield AI is hiring a Staff-level software engineer to develop autonomous control and multi-agent coordination capabilities for defense platforms across air, sea, and space domains. The role blends advanced control theory, optimization, and motion planning with robust software integration to deliver real-world autonomy systems.

Listed on Shield AI’s careers site · Apply there ↗

Crusoe

Full-time · San Francisco, CA · $215,000 – $260,000

Crusoe is seeking a Staff Software Engineer to architect and operate their container registry, a critical system that controls deployment performance across their AI infrastructure platform. This role suits experienced distributed systems engineers who thrive owning high-scale systems end-to-end, from design through production troubleshooting, and who enjoy technical leadership and mentoring.

Listed on Crusoe’s careers site · Apply there ↗

NVIDIA

Santa Clara, CA · $272,000 – $431,250

A principal-level engineer focused on making NVIDIA's systems reliable at hyperscale, working with major cloud providers to measure and improve mean-time-between-interruptions for GPU platforms in production. This role suits someone with deep datacenter systems expertise and a track record of translating fleet reliability data into actionable improvements across firmware, drivers, and hardware.

Listed on NVIDIA’s careers site · Apply there ↗

Menlo Ventures Portfolio

Full-time · San Francisco, CA · $315,000 – $560,000

This role builds the computational infrastructure and tooling that lets researchers understand how large language models actually work internally, rather than treating them as black boxes. It's suited to experienced software engineers who want to work on AI safety through hands-on infrastructure work, enjoy translating research needs into systems, and are comfortable optimizing across the full stack from GPU kernels to user-facing tools.

Listed on Menlo Ventures Portfolio’s careers site · Apply there ↗

Together AI

Full-time · San Francisco, CA · $220,000 – $270,000

This role involves designing and building the virtualization and infrastructure layers for Together AI's GPU cloud platform, including hypervisor work, Kubernetes operators, distributed scheduling, and fault-tolerance systems that power high-performance AI compute across global data centers. It suits experienced backend engineers who thrive owning large distributed systems end-to-end and have deep expertise in cloud infrastructure, networking, or GPU compute.

Listed on Together AI’s careers site · Apply there ↗

Shield AI

Full-time · San Mateo, CA · $280,512 – $420,768

Shield AI seeks a senior autonomy engineer to develop control systems and multi-agent coordination software for defense platforms across air, sea, and space domains. The role blends theoretical foundations in control theory and optimization with practical software integration to deliver real-world autonomous capabilities.

Listed on Shield AI’s careers site · Apply there ↗

Crusoe

San Francisco, CA · $250,000 – $300,000

Crusoe is seeking a senior kernel engineer to set technical direction for their Linux kernel team, architecting critical infrastructure projects and mentoring engineers while balancing hands-on coding with high-level design. This role suits experienced systems engineers who thrive on complex kernel problems, upstream contributions, and building production infrastructure at scale.

Listed on Crusoe’s careers site · Apply there ↗

NVIDIA

Santa Clara, CA · $184,000 – $287,500

NVIDIA is seeking a Senior System Software Engineer to develop safety-critical software for their Halos platform, which powers autonomous vehicles and robotics. This role combines embedded systems, real-time operating systems, virtualization, and formal methods to build mixed-criticality software stacks on edge AI platforms.

Listed on NVIDIA’s careers site · Apply there ↗

Menlo Ventures Portfolio

San Francisco, CA · $500,000 – $850,000

Anthropic is hiring a Staff-level engineer to build the data infrastructure that prepares massive text corpora for training large language models. You'll design scalable, reliable systems for tokenization, deduplication, and quality assurance—bridging research innovation with production engineering at one of the leading AI safety organizations.

Listed on Menlo Ventures Portfolio’s careers site · Apply there ↗

Shield AI

Full-time · San Mateo, CA · $234,240 – $351,360

This role builds autonomy software for unmanned vehicles across air, maritime, space, and effects platforms, integrating capabilities from multiple teams and taking code from simulation through live field tests. It suits experienced engineers who want to see their work operate in real systems and are ready to lead small teams and mentor peers.

Listed on Shield AI’s careers site · Apply there ↗

Crusoe

San Francisco, CA · $250,000 – $300,000

This role leads the design and implementation of CI/CD infrastructure and deployment automation for Crusoe's GPU cluster fleet, ensuring stability across bare-metal systems in data centers. It suits experienced infrastructure engineers who thrive building low-level automation frameworks and testing systems at scale.

Listed on Crusoe’s careers site · Apply there ↗

NVIDIA

Full-time · Santa Clara, CA · $168,000 – $310,500

NVIDIA is seeking a software engineer to develop and improve electronic design automation tools for PCB designers, focusing on circuit capture, layout, and signal integrity capabilities. This role suits experienced developers who want to solve complex problems in CAD software while working on tools used across a major technology company.

Listed on NVIDIA’s careers site · Apply there ↗

Intuit

Mountain View, CA · $202,500 – $274,000

This role involves architecting a unified API platform that automatically generates agent-ready specifications and tooling from a single source of truth, enabling AI agents to safely invoke Intuit's fintech capabilities at scale. The position suits senior engineers with deep API design expertise, experience with AI agent frameworks, and the ability to drive cross-team technical direction in a fintech context.

Listed on Intuit’s careers site · Apply there ↗

Shield AI

Full-time · San Mateo, CA · $280,512 – $420,768

This role leads the integration of autonomy software onto unmanned platforms across air, maritime, and space domains, writing core behaviors and control systems while shepherding code from simulation through live field operations. It suits senior engineers who want hands-on involvement in autonomous systems that actually deploy into the real world and are ready to mentor others and set technical direction across multiple programs.

Listed on Shield AI’s careers site · Apply there ↗

Crusoe

San Francisco, CA · $250,000 – $300,000

Crusoe seeks a software engineer to develop diagnostics, automation, and observability tooling for their GPU compute infrastructure and data centers. This role suits experienced engineers who thrive solving complex hardware and fleet management problems at scale.

Listed on Crusoe’s careers site · Apply there ↗

NVIDIA

Santa Clara, CA · $248,000 – $391,000

A Principal Engineer role leading three interconnected enterprise platforms focused on sensitive information protection, data governance, and AI knowledge management at NVIDIA. This is for a strong technologist ready to grow into engineering leadership while influencing cross-functional stakeholders across Security, Legal, Finance, and AI teams.

Listed on NVIDIA’s careers site · Apply there ↗

Intuit

Mountain View, CA · $202,500 – $274,000

Staff-level engineer building risk and compliance systems for Intuit's fintech platform, combining front-end and back-end development with AI/ML capabilities. Suits architects with deep experience across React, Java, Spring Boot, and financial services who can lead technical strategy and mentor others.

Listed on Intuit’s careers site · Apply there ↗

Shield AI

Full-time · San Mateo, CA · $195,840 – $293,760

This role develops autonomous control and coordination systems for defense platforms across air, sea, and space domains, combining advanced control theory with practical software integration. It suits engineers who enjoy blending theoretical optimization with real-world implementation on systems that have immediate operational impact.

Listed on Shield AI’s careers site · Apply there ↗