Top Tech Jobs & Startup Jobs in NYC, NY

Build and operate backend systems that automate market creation, lifecycle management, and resolution at scale. Implement event-driven pipelines, integrate external data sources and oracles, ensure reliability and scalability, debug production systems, and collaborate cross-functionally to maintain high engineering standards.

Own analytics for market listings and health: model liquidity dynamics, build recurring health reports, audit new listings, diagnose underperforming markets, partner with Markets team to deliver actionable analyses, and improve data instrumentation.

Own end-to-end go-to-market launch planning and execution for product features and verticals. Create positioning, messaging, and channel plans; coordinate Product, Growth, Design, and Comms; track launch performance and run post-mortems; compress launch plans for breaking news and live events while maintaining brand consistency.

As a Senior Backend Engineer, you will enhance Polymarket's CLOB engine by optimizing performance, handling transaction states, and debugging production issues, focusing on concurrency and observability.

Support senior institutional coverage and manage a subset of market maker and institutional client relationships end-to-end. Assist onboarding across product, legal, and compliance, prepare client materials, monitor account health, represent the firm at industry events, and relay client feedback to product and markets teams.

Own and improve fiat and crypto payments infrastructure: set roadmap, manage PSP vendor relationships, run A/B tests and ML personalization to boost deposit/withdrawal conversion and authorization rates, lead integrations with engineering, analyze payment data, and respond to outages including off-hours support.

The Market Analyst will shape and curate Polymarket's markets, invent rulesets, prioritize new markets, monitor trends, and ensure compliance with industry standards.

As a Regulatory Attorney, you will support the legal and regulatory strategies for a CFTC-regulated exchange, advise on applicable regulations, analyze legal issues, draft contracts and regulatory filings, and engage with regulators.

Freelance Junior Designer will produce high-volume static, motion, and short-form video ads for paid social and display, build creative templates, iterate quickly from brief to launch, turn news into rapid creative, and collaborate with growth, copy, and brand teams while working in-office 3-5 days weekly.

The Head of Markets will lead market operations at Polymarket, managing market lifecycle, liquidity, and relationships with key players in financial markets. The role requires strategic market listing, evaluation frameworks, and ensuring market integrity through effective governance.