Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

Senior Motion Designer responsible for defining SpaceXSI’s motion language, building AI-assisted creative workflows and toolkits, producing campaigns across multiple channels, and integrating motion into product experiences. The role includes end-to-end hands-on design, creative direction of external partners, collaboration with marketing, product, engineering, and leadership, and establishing scalable motion systems for a fast-growing technology brand.

Senior Brand Designer responsible for evolving SpaceXSI’s visual identity, developing brand systems and documentation, and creating multi-channel campaigns. The role also involves building AI-assisted design workflows and toolkits, directing agencies and freelancers, partnering with marketing, product, engineering, and leadership, and presenting creative strategy to senior stakeholders. Requires strong typography, layout, art direction, systems thinking, motion awareness, and the ability to work onsite in San Francisco or New York.

Build and operate developer productivity systems across macOS, Windows, and Linux, including CI/CD, merge queues, build caching, test quarantine, observability, rollout pipelines, and automated developer-machine provisioning. Partner with backend and infrastructure teams to improve local testing, debugging, and development-CI parity. Contribute code, review implementations, and set technical direction to improve engineering velocity, reliability, and maintainability.

Build and maintain client infrastructure for high-performance desktop applications. Responsibilities include developing shared abstractions, build and distribution systems, observability and telemetry foundations, performance instrumentation, reliability improvements, internal developer tooling, and evaluating Electron versus native approaches. The role partners with product teams to accelerate releases and ensure stable, reliable desktop experiences for developers.

Build and operate scalable backend services supporting authentication, agent workflows, webhooks, source control integrations, and end-to-end reliability. Design robust service abstractions, high-throughput event delivery, retry and dead-letter queue systems, and observability capabilities. Partner with client and inference teams to improve performance and reliability across AI-powered developer workflows.

Build and maintain Bugbot, an AI code review product. Responsibilities include launching full-stack features, improving model integration and agent orchestration, evolving review pipelines, creating code review and CI/CD integrations, monitoring quality and reliability, improving onboarding, and partnering with ML, infrastructure, and product teams to scale adoption.

Build and operate large-scale compute infrastructure for agent sandboxes, including microVM virtualization, control-plane scheduling, VM data snapshotting, egress proxying, network isolation, and resilient hybrid cloud/on-premises systems. The role involves scaling clusters to support up to one million concurrent VMs and requires onsite work in San Francisco or New York.

Build secure systems for AI development, including AI-assisted code review, least-privilege cloud access, secure agent environments, protections for agent tool calls and command execution, and safeguards against inappropriate data logging. The role requires strong software engineering skills, security expertise, vulnerability anticipation, secure-by-default thinking, and end-to-end ownership in a fast-moving environment.

Build platform-level infrastructure for service provisioning, deployment, workflow orchestration, and service ownership. Develop durable workflow abstractions, declarative service configuration, deployment tooling, and service catalogs that improve developer experience and production reliability across the organization.

Build scalable enterprise platform infrastructure for organization management, IAM, RBAC, policy enforcement, provisioning, audit logging, compliance, administrative APIs, and security controls. Partner with product, security, and infrastructure teams to create secure, correct, multi-tenant abstractions. The role requires end-to-end ownership spanning database schemas, APIs, admin tooling, user interfaces, and documentation, with onsite work in San Francisco.