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

Designs and operates hybrid on-premises and AWS infrastructure, including large-scale networking, compute, storage, automation, security, firewalls, incident response, and secure cloud connectivity. The role builds infrastructure from scratch using Terraform, Ansible, CI/CD, Python, and Bash; documents operations for support teams; and supports expansion into additional facilities. Requires substantial infrastructure or security experience, strong network architecture skills, and three onsite days weekly in South San Francisco.

Lead applied machine learning research for risk prediction, developing and testing new predictive models, mining large imperfect datasets for features, and exploring language-model and multimodal techniques. Move successful models into production through deployment, data sourcing, monitoring, validation, calibration, and threshold tuning. Collaborate with technical and business leaders in an on-site environment.

Own go-to-market marketing for a consumer software product as the first marketing hire. Lead product launches, positioning, creative production, paid acquisition, organic growth, community engagement, user research, and channel experimentation. Create videos, written content, and visual ads; analyze performance and improve acquisition efficiency. Partner with leadership on marketing direction and explain AI products in clear, engaging language.

Own product marketing for a B2B enterprise software platform as the first dedicated product marketer. Define positioning and messaging, create customer-facing content and case studies, support demand-generation campaigns, lead sales enablement, and plan go-to-market launches. The role reports to the CMO, works cross-functionally with sales and marketing, is based on-site in San Francisco, and requires up to 15% travel.

Own software engineering projects from architecture and design through deployment and ongoing improvement. Build full-stack features, guide technical direction, modernize core functionality, and maintain quality through code reviews and testing. The role requires daily production releases, self-directed problem solving, strong communication, and on-site work five days per week. Experience in early-stage startups, founding, supply chain, or logistics is beneficial.

Own the strategy and roadmap for a core internal platform, guiding prototypes into scalable production systems. Build early tools using SQL, scripts, dashboards, and simple prototypes, then partner with engineering to scale them. Translate customer needs into workflows and requirements, collaborate with operations and research teams, and use data to monitor throughput, quality, and cost.

Conduct controlled fine-tuning and reinforcement learning experiments to understand how training data affects model behavior. Develop evaluations and training datasets, assess noisy experimental results, improve data quality, publish technical findings, and present evidence to internal and external partners across domains including finance, software engineering, and policy.

Build and improve customer-facing software as a full-stack product engineer. Develop new product experiences, enhance web application features and data layers, analyze customer feedback and usage data, and identify product gaps. Collaborate closely with engineering and sales teams, participate in customer conversations, and take ownership of solutions from discovery through delivery.

Build and maintain a cross-platform desktop application, delivering features across user interface and native layers. Develop large-language-model capabilities, collaborate on Windows and macOS code, and contribute to architecture and technical direction. The role requires end-to-end ownership, strong communication, meticulous execution, and teamwork in a fast-growing technology company.

Designs, prototypes, tests, and improves mechanical assemblies for robot-arm automation systems. Responsibilities include creating CAD models and manufacturing drawings, developing robotic tooling, building physical prototypes, evaluating fabrication methods, and collaborating across disciplines to deliver reliable automation hardware from initial concept through manufacturing. The role is hands-on and based on-site in San Francisco.