Top Tech Jobs & Startup Jobs in NYC, NY

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 the operational backbone of Substack’s brand sponsorship marketplace, including campaign trafficking, QA, launches, monitoring, order management, reporting, billing handoffs, integrations, and third-party measurement. Serve as a technical solutions lead for brands and agencies, collaborate with design and engineering on tooling, create scalable workflows and documentation, and support AI-first outbound and onboarding initiatives.

Lead product strategy and execution for Substack Sponsorships, building advertiser and publisher tools, sponsorship formats, marketplace infrastructure, campaign measurement, and monetization experiences. Partner cross-functionally to launch products, improve campaign delivery and payouts, grow adoption and revenue, and balance commercial opportunities with reader trust, privacy, and subscription retention.

Build and ship web applications, creator-focused platform features, customizable websites, reusable tools, audience segmentation and analytics capabilities. Collaborate with designers, engineers, product partners, and external customers throughout product discovery, implementation, and deployment. Own meaningful features that help publishers grow audiences, express their identities, and operate their businesses.

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.

Lead Substack’s global events strategy and execution, from flagship brand moments to creator gatherings and sponsored events. Build a scalable events engine, manage budgets and ROI measurement, develop partnerships with agencies and vendors, and lead event teams across domestic and international markets. Translate brand narratives into impactful experiences that grow creator and subscriber engagement while maintaining operational excellence and authenticity.

Lead and scale Substack's sponsorships business: build pipeline and revenue, sell directly to senior brand and agency buyers, create pricing/packaging and sales infrastructure, collaborate with publishers and creative strategy, and represent Substack at industry events to shape product and market positioning.

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.

Develop native campaign concepts for brands, match brands with Substack writers, own creative pre-sale and execution, write proposals and pitch materials, run multiple creator-driven sponsorship campaigns, and iterate based on platform performance.