Software Engineer jobs in California

Mixpanel

San Francisco, CA

Mixpanel is hiring a Senior Software Engineer to build data governance and quality features for their analytics platform, working across the full stack with strong customer focus. This role suits experienced engineers comfortable owning projects end-to-end and collaborating across product, design, and backend systems to solve data integrity challenges at scale.

Listed on Mixpanel’s careers site · Apply there ↗

Suno

Full-time · San Francisco, CA · $188,640 – $247,590

Suno is seeking a fullstack engineer to build creative tools for professional musicians on their AI-powered music platform. This role suits experienced web developers comfortable with both frontend and backend work who want to shape how creators worldwide make music.

Listed on Suno’s careers site · Apply there ↗

Krea AI

Full-time · San Francisco, CA

This role involves building and operating the distributed systems and infrastructure that power Krea's AI research and model training at scale, including GPU clusters, data pipelines, and custom orchestration systems. It suits engineers with strong mental models of how distributed systems work, who want to solve hard infrastructure problems in AI without necessarily requiring prior ML experience.

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

Gofundme

Full-time · San Francisco, CA · $233,500 – $321,200

This role leads the design and operation of GoFundMe's identity and access management platform, which handles authentication and authorization for millions of donors, organizers, and nonprofit partners across consumer and enterprise surfaces. It suits a senior engineer with deep expertise in identity protocols and federation patterns who has shipped IAM systems at scale and enjoys solving the architectural problems that arise when serving both grassroots organizations and large institutions.

Listed on Gofundme’s careers site · Apply there ↗

Sentry

San Francisco, CA · $155,000 – $400,000 · Remote

This role involves building evaluation infrastructure for Sentry's AI systems, designing datasets, benchmarks, and test harnesses that measure the accuracy and reliability of AI-powered debugging agents. It suits experienced software engineers who enjoy translating ambiguous AI behavior into concrete metrics and want to build foundational tools that enable faster, more confident AI development.

Listed on Sentry’s careers site · Apply there ↗

Assort Health

San Francisco, CA · $190,000 – $240,000 · Remote

Assort Health is hiring senior engineers to build AI-powered voice agents that improve patient communication and reduce administrative burden in healthcare. This role suits experienced builders who thrive in early-stage startups, want autonomy to solve complex problems, and are drawn to healthcare impact.

Listed on Assort Health’s careers site · Apply there ↗

Astranis

Full-time · San Francisco, CA · $145,000 – $210,000

This is a full-stack software engineering role building mission-critical production and manufacturing software for a satellite company. It suits experienced backend engineers who want to see their work power physical systems and are comfortable spanning APIs, databases, UIs, and infrastructure across the entire stack.

Listed on Astranis’s careers site · Apply there ↗

CharacterAI

Redwood City, CA · $150,000 – $300,000 · Remote

This role builds payment and subscription systems for an AI platform with 20 million monthly users, balancing revenue generation with seamless user experience. It suits engineers who enjoy full-stack work on commerce features and want to shape how consumers interact with virtual economies and premium offerings.

Listed on CharacterAI’s careers site · Apply there ↗

PlanetScale

San Francisco, CA · $120,000 – $290,000 · Remote

PlanetScale is hiring a software engineer to build Neki, their sharded PostgreSQL product, working on distributed database infrastructure that handles massive scale. This role suits experienced backend engineers with deep database systems knowledge who want to solve complex distributed systems problems on a greenfield project.

Listed on PlanetScale’s careers site · Apply there ↗

LangChain

Full-time · San Francisco, CA · $160,000 – $240,000

This is a core maintainer role for the LangChain Python open-source libraries, focused on evolving abstractions, documentation, and community support for millions of developers building AI agents. It suits experienced software engineers who enjoy working in the open-source space and want to shape developer experience at scale.

Listed on LangChain’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 ↗

Bend Studio

San Mateo, CA · $163,000 – $245,000

You'll develop React-based applications and shared libraries that form the foundation for PlayStation's cross-platform experiences, working with senior engineers to ensure the systems other teams depend on are fast, scalable, and consistent. This role suits mid-level engineers who enjoy building infrastructure that enables product teams and want to shape how millions of players interact with the PlayStation ecosystem.

Listed on Bend Studio’s careers site · Apply there ↗

Intuit

Mountain View, CA · $273,000 – $369,500

Intuit is seeking a Distinguished Engineer to architect and govern the company's data platform and semantic infrastructure across all business units, from raw data ingestion through governance to AI-ready knowledge layers. This role suits someone with 15+ years building massive-scale data systems who can set technical direction across dozens of teams and personally tackle the highest-leverage problems at the intersection of data, AI, and compliance.

Listed on Intuit’s careers site · Apply there ↗

Menlo Ventures Portfolio

Full-time · San Francisco, CA · $320,000 – $405,000 · Remote

Build and operate autonomous AI agents that handle go-to-market workflows end-to-end, from prospect discovery through deal management, while creating the evaluation frameworks and monitoring systems that prove they're working. This role suits experienced full-stack engineers who've shipped production ML systems and want to bridge AI capabilities with real business processes.

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

Anyscale

San Francisco, CA · $200,000 – $240,000 · Remote

This infrastructure engineering role focuses on building and optimizing the control plane and data plane systems that power Anyscale's distributed AI computing platform. It suits experienced backend engineers with strong cloud-native and Kubernetes expertise who want to work on high-impact infrastructure serving companies like OpenAI and Uber.

Listed on Anyscale’s careers site · Apply there ↗

Relativity Space

Long Beach, CA · $130,000 – $196,000

You'll develop AI systems that help engineers and operators across Relativity Space design, build, and test rockets, working with foundation models and production infrastructure to ship reliable AI features. This role suits experienced software engineers who have shipped LLM-powered applications and want to apply AI to hardware and manufacturing challenges.

Listed on Relativity Space’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 ↗

Notion

Full-time · San Francisco, CA · $150,000 – $200,000 · Remote

This role builds foundational systems and data abstractions that power Notion's platform, enabling both internal developers and product teams to work more efficiently. It suits engineers who enjoy solving large-scale architectural problems and have experience with full-stack infrastructure challenges across databases, backends, and frontends.

Listed on Notion’s careers site · Apply there ↗

Workday

Full-time · Pleasanton, CA · $176,000 – $264,000

This role leads cloud migration work at Workday, taking services from acquired companies off vendor-locked cloud infrastructure and onto Workday's standardized CP2 platform. It suits experienced infrastructure engineers who have shipped real migrations before and can write code, design cloud architecture, and navigate the messy technical details of moving production workloads.

Listed on Workday’s careers site · Apply there ↗

NVIDIA

Full-time · Santa Clara, CA · $184,000 – $287,500

This role develops the workflow platform that orchestrates NVIDIA's chip-design infrastructure, converting engineering specifications into automated, reliable production pipelines that handle dependencies, job execution, and validation across complex projects. It suits experienced systems engineers with strong Linux fundamentals and a track record of owning build, release, or HPC infrastructure at scale.

Listed on NVIDIA’s careers site · Apply there ↗

NIO

Full-time · San Jose, CA · $143,200 – $186,000

NIO is hiring a senior systems engineer to design and optimize the full-stack operating system powering their electric vehicles, from kernel and drivers through to production deployment. This role suits experienced systems programmers who want to work on safety-critical, performance-intensive code across multiple CPU architectures in an automotive context.

Listed on NIO’s careers site · Apply there ↗

CrowdStrike

Sunnyvale, CA · $140,000 – $215,000

CrowdStrike is seeking a senior engineer to develop and maintain the Windows kernel-level sensor component of their endpoint security platform, which detects malicious activity and relays telemetry to the cloud. This role suits experienced systems programmers comfortable with low-level OS internals, memory debugging, and leading cross-platform feature development across Windows, Mac, and Linux.

Listed on CrowdStrike’s careers site · Apply there ↗