Top Tech Jobs & Startup Jobs in NYC, NY

Build and scale Polymarket's low-latency exchange backend: design high-performance services, optimize for latency/throughput, architect distributed/event-driven systems, operate and debug production on Linux, ensure reliability and security, and collaborate across product, infra, and data teams.

The role involves owning and evolving the Markets Portal, developing automation pipelines, shipping features end-to-end, and collaborating with operations teams to improve systems.

The Head of Partnership Marketing will manage Polymarket's global partnership portfolio, focusing on strategic integrations, maximizing ROI, and ensuring high-impact brand activations. Responsibilities include building performance frameworks, strengthening executive relationships, and driving measurable growth through creative partnership strategies.

The Senior Web Engineer will own complex frontend features, collaborate with backend teams, ensure product reliability, and improve observability while raising engineering standards.

Design, implement, and optimize low-latency, high-throughput components of Polymarket's trading/matching infrastructure in C/C++. Profile and tune performance-critical systems, ensure reliability and correctness, and collaborate across teams on architecture and integration.

Manage creator and cultural partnerships, develop creative concepts, build distribution strategies, track performance, and align with internal teams.

Own and build clearing operations for a CFTC-regulated exchange: evaluate DCO clearing environment, create SOPs/runbooks, manage settlement, treasury, reconciliation, SLAs, escalations, and partner with Control Desk, Finance, Compliance, Product, and Engineering to build tooling and resolve operational incidents.

Own and architect Polymarket's iOS product, build real-time trading experiences that handle live market data and fast-moving prices, lead iOS engineering standards, collaborate with product/design/backend, and mentor mobile engineers to ship high-quality production releases.

Lead ownership of web performance: set architecture, standards, and tooling for rendering, caching, CDNs, and observability. Optimize critical rendering path, implement caching/CDN strategies, build RUM and synthetic monitoring, and drive performance standards across engineering.

Triage and investigate daily surveillance alerts for manipulative trading (spoofing, wash trading, front-running). Analyze order book and trade data using SQL/Python/internal tools, document cases, maintain CFTC-compliant records, support threshold calibration, and assist with CFTC exam preparation.