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

Own the mechanical architecture, design, simulation, prototyping, and delivery of wearable hardware systems. Integrate sensors, cameras, batteries, antennas, and audio components into compact form factors. Generate CAD models, drawings, simulations, and specifications; collaborate with electrical, firmware, industrial design, and soft-goods teams; select materials and fabrication partners; and support product testing, calibration, and manufacturing.

Own the mechanical Product Design program for a compact wearable from concept through EVT, DVT, and PVT. Manage part releases, change control, tooling, materials, suppliers, validation, build readiness, issue closure, schedules, and factory coordination across Product Design, Industrial Design, Manufacturing, Operations, and contract manufacturers.

Leads product engineering for consumer voice-agent products, driving outcomes, architecture, reliability, security, performance, deployment, and production operations. Remains hands-on with prototyping, debugging, and quality improvements while developing engineers and hiring a strong team. Partners with product and design, sets technical direction, and maintains a high product-quality bar. Requires extensive software engineering and people-management experience, including scalable distributed systems serving millions of users.

Leads new product introduction from prototype through mass production at Asian contract manufacturers. Responsibilities include manufacturing readiness, automation and tooling development, technical transfers, capacity and efficiency optimization, SPC and CPK monitoring, DFM/DFA initiatives, tolerance analysis, GD&T implementation, manufacturing systems deployment, supplier coordination, and cross-functional design collaboration. The role owns manufacturing specifications, budgets, requirements, and tool delivery schedules while ensuring quality, cost, and delivery targets.

Design and build core infrastructure for ML training, develop audio processing pipelines, and set technical direction for the team.

As an iOS Engineer, you will build the Sesame app for wearable devices, collaborating with design and firmware teams to create a seamless user experience while maintaining code quality and performance.

Support the CEO and Head of Operations by managing complex calendars, meeting preparation, communications, travel logistics, confidential information, and cross-functional initiatives. Serve as a proactive executive partner, anticipate leadership needs, resolve scheduling and operational issues, and maintain strong relationships with internal and external stakeholders in a fast-paced startup environment.

Support two senior founders with high-level executive assistance: manage complex calendars, anticipate and resolve operational issues, prepare meetings and materials, coordinate domestic and international travel, act as primary liaison, handle confidential information, drive strategic initiatives, and improve processes across the organization.

As an ML Scientist, you'll develop and improve ML models, work on the ML stack, and innovate new approaches in NLP, Speech, and Computer Vision.

Design and own an automated hardware test rig integrated with CI/CD to build, flash, run, and report tests for a wearable AI device. Implement connectivity and throughput stress tests, long-duration audio and battery/thermal characterization, API-level tests, dashboards with regression flags, diagnostic tooling, and automation-driven bug triage. Establish nightly and weekly runs and partner with firmware to define automated vs. manual coverage.