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

Build and ship customer-facing web application features from prototype through production. Work across frontend and backend systems using React and Python, improve interface quality, diagnose and resolve bugs, scale reliable workflows, and release weekly. Collaborate directly with customers and company leadership to shape the roadmap, translate feedback into product improvements, and establish strong design and interaction standards.

Build and scale full-stack applications, data-capture workflows, and high-volume data pipelines. Design greenfield infrastructure for storage, caching, search, and messaging while establishing engineering standards and architectural foundations. Collaborate directly with founders to shape product direction and rapidly deliver reliable features across web and desktop applications.

Own major product areas from concept through production as a hands-on full-stack engineer. Build interfaces, backend workflows, AI model orchestration, and infrastructure; collaborate with research and infrastructure teams; engage users; rapidly prototype; and shape product direction, architecture, and team culture in an early-stage environment.

Own the full software sales cycle for mid-market accounts, including prospecting, consultative discovery, negotiation, and closing complex deals. Generate pipeline with sales development and marketing while self-sourcing opportunities, win strategic new logos, and build senior stakeholder relationships. Develop expertise in AI capabilities to lead technical discovery, provide market feedback, and manage territory planning and commercial negotiations.

Serve as the technical lead for partner engagements, translating ambiguous requests into AI-powered, mobile, and device-based product features. Own features from concept through launch, including prompt design, evaluation, demos, documentation, and partner feedback. Collaborate with research and product engineering teams, work directly at partner sites, and travel internationally as needed. The role requires launching user-facing LLM products in a startup environment with strong client-facing ownership.

Design and build backend services, data pipelines, testing systems, and scalable cloud infrastructure for conversational AI applications. Own engineering work across databases, full-stack development, and deployment. Analyze application behavior, collaborate directly with customers on product setup and rollout, and lead technical delivery from kickoff through completion. The role is fully onsite in San Francisco, five days per week, with customer-facing responsibilities.

Lead architecture, delivery, and operation of backend services for a high-scale software platform. Build distributed data-processing systems, select databases and messaging tools, develop agent-based AI features, and solve complex cross-team technical challenges. Maintain responsibility for uptime, performance, and cost efficiency while partnering with product, design, and engineering leadership.

Own the full B2B sales cycle for midsize and large accounts, including prospecting, discovery, demonstrations, negotiation, and contract closing. Convert inbound leads and generate outbound opportunities, manage complex deals involving multiple decision-makers, and handle contract values from approximately $50,000 to $500,000 annually. Help mature the company’s sales process, attend occasional customer meetings and industry events, and work onsite five days per week in San Francisco.

Develop production machine learning and software capabilities, including bespoke models, ranking and scoring systems, measurement frameworks, data pipelines, and resilient AI workflows. The role requires independent product judgment, customer collaboration, broad full-stack development, and ownership of core engineering foundations as the company’s first engineering hire.

Build and ship customer-facing features across web frontend and backend services. Optimize and load-test high-throughput systems, design data and machine learning infrastructure, and own features from specification through validation. Collaborate directly with leadership and customers, work independently on open-ended problems, and contribute to product launches. The role is onsite five days per week in San Francisco with occasional weekend work.