Top Tech Jobs & Startup Jobs in NYC, NY

Lead and build Rechargeds full-funnel growth engine: own paid and organic acquisition, channel partnerships, market launches, product marketing, conversion optimization, marketing ops and analytics, and vendor/team decisions to scale buyer and seller growth while managing marketing P&L.

The Billing Assistant processes billing orders, manages invoicing, assists with communication regarding invoices, orders supplies, and maintains inventory.

Design, build, and maintain scalable backend services and data architectures for portfolio reporting and analytics. Integrate internal and external data sources, support high-performance reporting, and lead AI/ML-enabled features and agentic LLM workflows. Collaborate with product, frontend, and data teams, mentor junior engineers, and improve system performance, data integrity, and reliability in a fast-paced startup environment.

Own and scale the US tax function for startups: manage federal and state corporate and personal tax filings, ensure multi-state compliance, drive automation and process improvements, provide light advisory on compensation and entity structuring, and collaborate with accounting while communicating directly with founders.

Process and review vendor invoices, employee expense reports, and corporate card statements; perform data entry and coding in the ERP; run weekly check runs and internal check requests; reconcile vendor statements; manage AP inbox and inquiries; escalate complex issues; and complete ad-hoc analyses and projects.

Lead engineering for Ask Aya and contribute to the Membership Center: build and ship LLM-powered features, own prompt design, RAG, tool calling, safety, evaluation pipelines, integrations (CRM, SMS, web), and privacy-preserving analytics. Improve runtime reliability, latency, cost, and accessibility while collaborating with product, design, data, and organizing teams.

Lead product strategy and roadmap for fan engagement across sports media properties. Drive fan identity, personalization, registration, experimentation, and AI-enabled experiences. Partner cross-functionally to launch and optimize community, gamification, and monetization features, define KPIs, evaluate vendors, and scale products to grow engagement and audience value.

Join as a founding engineer building backend systems for an ambient AI scribe for nursing homes. Work on audio capture, transcription, vocal biomarker integration, automated clinical workflows, and set engineering standards. Collaborate in-person with founders to shape product and culture.

Create and oversee platform-specific social media content and campaigns. Shape digital strategy using trends and performance data. Manage social operations, paid media strategy, analytics and reporting. Coordinate with internal teams and external agencies to grow Bloomberg Philanthropies' presence, including YouTube development and community engagement.

Full‑stack product engineer building React Native mobile apps, React/TypeScript web apps, and Node.js/PostgreSQL APIs. Own product decisions, architect core systems (real‑time matching, ML/AI pipelines), implement CI/CD with Docker and GitHub Actions, add analytics/monitoring, and collaborate with designers and ops on a founding team.