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

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.

The Backend Infrastructure Engineer at Sesame will develop secure, scalable infrastructure, focusing on voice interface, automation, and systems design for efficient service delivery.

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.

Lead Sesame’s creative vision across campaigns, editorial, social, experiential, web, and product. Concept, write, and art direct work; run a small in-house content studio; manage external agencies and production partners; develop brand collaborations; and align creative across product, hardware, and marketing channels.

Build and maintain production data pipelines and infrastructure to prepare multimodal conversational, voice, sensor, and telemetry data for ML training and evaluation. Implement dataset versioning, lineage, quality monitoring, and tooling to enable reproducible, discoverable datasets and cost/performance-optimized large-scale processing while enforcing data governance and privacy.

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.