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

Design, build, scale, and operate high-volume payment APIs and distributed systems serving global traffic. Lead complex engineering projects from requirements through production, improve performance, observability, reliability, fault tolerance, and security, and participate in on-call incident response. Collaborate across product and engineering teams, use AI-assisted development tools responsibly, and mentor engineers through technical reviews, documentation, and guidance.

Leads Square’s US BDR organization through managers and frontline teams, owning pipeline generation strategy, forecasting, performance management, coaching, hiring, and talent development. Partners with Sales, Marketing, Revenue Operations, Enablement, Analytics, and Strategy to improve prospecting, lead quality, funnel conversion, tooling, and revenue contribution. Uses metrics, automation, AI, and sales technology to scale outbound motions and build a predictable, high-performing business development organization.

Own IT internal audit projects and portions of the SOX program, including ITGC and ITAC testing, risk assessment, controls evaluation, remediation, and audit reporting. Partner with audit, finance, engineering, process owners, external auditors, and co-sourcing partners. Help establish an AI audit methodology and implement AI-enabled audit efficiencies while maintaining quality, independence, and reliability.

Own end-to-end analytics engineering for AI and developer experience data. Instrument telemetry, build governed production pipelines, define trusted metrics, and create executive-facing dashboards and analyses. Partner with data engineering, AI, and data science teams to improve data quality and connect raw signals to decision-making. Present clear recommendations on AI investment, developer productivity, and ROI while using AI coding agents to build and maintain pipelines, dashboards, and analyses.

Own Square Hardware’s US retail channel strategy, sales, revenue, and retailer partnerships. Responsibilities include managing existing relationships, sourcing and negotiating new partnerships, developing go-to-market playbooks, forecasting sell-through, coordinating cross-functional launches, and managing retail marketing budgets. The role requires entrepreneurial execution, analytical decision-making, autonomy, and approximately 20% travel.

Own commercialization of Block’s emerging AI portfolio from product and pilot stages through scaled enterprise adoption. Develop market strategy, pricing, packaging, partnerships, and routes to market; secure lighthouse customers and strategic partners; design pilots that convert to production relationships; create repeatable sales and partnership processes; and build the commercial organization as product-market fit develops.

Lead commercialization of emerging AI products by winning enterprise customers and strategic partners, structuring pilots, converting engagements into scaled relationships, and owning partnerships from negotiation through launch and optimization. Collaborate closely with Product and Engineering to shape offerings, validate product-market fit, develop pricing and commercial models, and build a scalable go-to-market strategy.

Own the full-cycle sales process for mid-market commerce merchants across Cash App Pay and Afterpay. Responsibilities include prospecting, pipeline generation, discovery, account planning, business-case development, pricing and contract negotiation, cross-functional deal coordination, forecasting, and closing new business. The role requires building executive relationships, managing complex commercial opportunities, delivering revenue targets, representing the company at events, and contributing to sales enablement and process improvement.

Lead the architecture and evolution of native iOS foundations supporting seller-facing applications. Identify systemic problems, define platform strategy and standards, build prototypes and reference implementations, lead multi-quarter migrations, and establish practices for quality, testing, observability, release safety, and maintainability. Develop senior engineers and create scalable ownership models across teams.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.