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

Develop core payment interfaces and backend systems for Substack. Own projects from product concept through implementation, experimentation, and measurement. Build payment processor integrations, payout systems, subscription flows, and features such as gift subscriptions using TypeScript, Node/Express, React, PostgreSQL, and Stripe.

Lead and scale Substack’s People function, overseeing recruiting, onboarding, compensation, benefits, performance management, learning and development, employee experience, compliance, and employee relations. Advise executives on organizational design, workforce planning, and talent strategy; coach managers; build People systems and programs; use analytics to guide decisions; and develop a high-performing People team.

Own product analytics for Substack by improving understanding of users, growth, and product performance. Partner with product managers, leadership, and engineers to define metrics, guide strategy, improve data infrastructure, and communicate insights. Build dashboards and analyses using advanced SQL and BI tools, and apply experimentation and product growth frameworks such as retention curves, cohort analysis, and growth accounting.

Build frontend, backend, and occasional mobile features for creator sponsorships. Own projects autonomously from product research and concept through implementation and deployment, collaborating with designers, writers, support staff, leadership, and sponsorship partners. Work across TypeScript, Node.js, Express, React, and PostgreSQL while contributing to product direction and delivering high-quality production experiences.

Serve as a hands-on BizOps leader partnering with the CEO and CFO to drive high-impact initiatives. Build data pipelines, run deep analyses on creator and reader economics, inform product and monetization decisions, conduct market and competitive research, design KPI and operational cadence, and lead a small team while executing frontline analytics and implementation.

The IT Systems Administrator will manage internal IT operations, handle onboarding, oversee SaaS tools, and support compliance efforts.

Build and test growth features that attract and retain readers and creators. Responsibilities include developing monetization and audience-building tools, designing experiments to improve conversion and retention, and partnering with cross-functional teams from product discovery through deployment. The role requires autonomous ownership of production software and uses TypeScript, Node.js, Express, React, and PostgreSQL.

Design and build frontend and backend features (occasionally mobile) to help creators manage communities. Own work from product concept through deployment, collaborate across design, support, and writing teams, prototype ideas, and maintain high production standards while delivering elegant user experiences.