Jobs in San Francisco Bay

Senior Security Engineer at Sigma Computing designing and building AI‑driven security platforms, automation, and cloud security solutions for a SaaS product. The role focuses on scalable security engineering, AI security, and internal tooling.

Senior Security Engineer at Sigma Computing designs and builds AI-driven data security platforms and automation to protect data across SaaS, cloud, and analytics environments.

The Infrastructure Software Engineer will design and operate the platform infrastructure for Redwood Materials' battery energy storage systems, focusing on edge Kubernetes, server provisioning, and scalability. They will collaborate with cross-functional teams to improve reliability, security, and performance of the deployment pipeline.

Senior Software Engineer at Redwood Materials will develop and maintain custom ERP and WMS systems for the company's battery recycling operations, owning features end-to-end, building APIs, and ensuring reliability in a remote-first environment with occasional travel to Nevada.

Machine Learning Engineer at Lyft Business designs, builds, and deploys ML systems across pricing, fraud detection, and agentic AI, collaborating with data scientists and product teams. The role requires versatility across multiple domains and experience with GenAI and graph-based ML.

Senior Perception Learning Engineer - SLAM at Apptronik designs and optimizes perception and SLAM pipelines, integrates multi‑sensor data, and ships production models for humanoid robots.

The role is for a Senior Simulation Engineer on Apptronik's Core Simulation Platform, where you will design and scale high‑performance simulation pipelines for robotics using C++, Python, and cloud‑native technologies. You will work on RL training, controls validation, and sensor‑realistic environments.

Senior Staff Software Engineer on the Tooling team at Verkada, focusing on building and improving internal developer tools, AI-powered systems, and security/privacy tools. The role is onsite in San Mateo, CA, and requires experience with Python or Go, cloud platforms, and infrastructure technologies.

Backend Engineer - API role at xAI in Palo Alto, CA, focusing on building scalable API and inference systems using Rust/C++.

Senior Frontend Engineer at xAI will own and elevate two mission‑critical platforms, Starfleet and Toolbox, building performant user interfaces and production backend code. The role requires React, TypeScript, and full‑stack expertise.

Senior Infrastructure Engineer on xAI's US Government Team, designing and operating secure, scalable infrastructure for government projects, focusing on training/inference clusters, Kubernetes, GPU hardware, and compliance.

Design, build, and optimize massive GPU clusters for extreme-scale AI training and inference, working across low-level kernel optimizations, Linux internals, and large-scale orchestration to accelerate xAI's training speed.

The Data Platform team at xAI builds and operates large‑scale data transport and processing infrastructure, including Kafka, Spark, Flink, and Trino, enabling real‑time ML pipelines and analytics at petabyte scale. Engineers design high‑throughput, low‑latency systems, scale multi‑tenant Kafka, and optimize distributed compute platforms.

Multimodal engineer on the Imagine Model Team at xAI, developing advanced AI for image, video, and audio generation and understanding. Collaborate with product teams to push model frontiers and deliver end‑to‑end user experiences.

Member of Technical Staff - Imagine Safety at xAI focuses on designing and implementing scalable safety systems for Grok's multimodal media generation platform. The role ensures responsible deployment of images, video, and audio while collaborating with product and research teams.

Join xAI as a Member of Technical Staff - Media to develop high‑performance video services and pipelines, ensuring quality for 600M users.

Join xAI's multimodal team to develop large‑scale distributed systems for multimodal pre‑training, post‑training, and inference, collaborating across research and product to build models that understand multiple modalities in real time.

Member of Technical Staff - Real-Time Storage at xAI, designing and operating large-scale storage and database systems for AI infrastructure, requiring 7+ years of software development experience.

Experienced software engineers will design and maintain data pipelines, evaluation frameworks, and automation tools to enhance LLM research productivity at xAI. The role involves creating robust environments, improving observability, and standardizing preprocessing for large‑scale RL training.

Member of Technical Staff on the X Search team at xAI, building and operating a large-scale search engine using Python, Go, Rust, and ML ranking models.