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

Design and optimize high-performance GPU kernels (GEMM, attention, routing) for AI inference across NVIDIA and AMD GPUs. Implement CUDA/C++ and low-level assembly code, build reduced-precision/quantized (FP8/FP4) kernels, benchmark cross-vendor performance, contribute to internal GPU libraries, accelerate multi-modal pipelines, and integrate next-generation GPU features into production.

Manage end-to-end logistics for talks, workshops, and large convenings; serve as primary speaker liaison; coordinate space, catering, AV, and vendors; run event communications, track attendance and feedback, and build scalable processes, templates, and budgets to support a high-volume events program.

Lead go-to-market at an AI-native commercial insurance startup: own partnerships, events, outbound, direct sales, and hiring BDRs. Run data-driven experiments, convert customers, and build scalable growth motions alongside founders to drive revenue and expand verticals.

Build and ship full‑stack product features for a browser-based CAD application: own front-end architecture and UX, maintain backend services (APIs, Postgres on GCP), write well-tested high-performance code (including C++ core), and lead customer-facing technical engagements to turn feedback into product improvements.

Handle escalated support tickets from parents and teachers via email, investigate ambiguous situations, make independent judgment calls, occasionally manage Trust & Safety issues involving sensitive content, communicate outcomes clearly, and share feedback with the CX team.

Freelance strategist defines and executes audience growth and content strategies across Instagram, TikTok, and other platforms. Responsibilities include short-form video (Reels), community and creator partnerships, audience segmentation, and high-level paid social recommendations aligned with brand objectives.

Operate and test robots to collect high-quality training data, define task standards, iterate processes, work with customers and engineers, document findings, and improve robot performance through hands-on hardware and software experimentation.

Lead account teams to plan and execute large-scale experiential activations, manage budgets/SOWs, coordinate cross-functional teams, monitor performance and expenses, drive client relationships and new business, and ensure timely delivery of creative and operational program elements.

Support development, optimization, and stabilization of electrode, cell assembly, and formation processes. Monitor production KPIs, analyze process and quality data, run DOE, troubleshoot equipment, prepare samples, update SOPs, and collaborate with R&D, Quality, and Production teams to implement process improvements.

Support fundraising, marketing, communications, donor database management, and events. Maintain Salesforce donation records, produce and distribute marketing content (website, social, email), assist with grant research and administrative tasks, coordinate vendors and volunteers, and help capture and manage multimedia assets across clinic sites.