Top Blockchain Jobs in New York City, NY

Lead strategy and GTM for agentic commerce on Arc, driving ecosystem partnerships, product alignment, and adoption of USDC and Circle Agent Stack across AI builders, platforms, and enterprises.

Supports global SME partner growth by translating go-to-market strategy into issuer activation playbooks, enablement tools, performance dashboards, governance routines, and scalable operating models. Coordinates Product, Sales, Services, Account Management, and regional teams to improve partner adoption, SME customer engagement, solution utilization, and commercial performance. Provides best-practice management, stakeholder coordination, partner reporting, and strategic recommendations to the Vice President without directly owning regional execution.

Supports Mastercard’s North America Marketing Services product suite through product strategy, roadmap support, vendor and partner enablement, pilot launches, commercialization, and customer engagement. Develops launch playbooks, manages vendor governance and readiness, supports sales opportunities, and synthesizes market, segment, pipeline, and industry insights into product and go-to-market guidance. Collaborates across Sales, Marketing, Operations, Legal, Data Privacy, Technology, and global product teams.

Leads product strategy, discovery, roadmap execution, backlog management, and feature prioritization for Mastercard’s technology cost transparency platform. Partners with Engineering, Finance, Product, and Operations to translate business and financial requirements into technical capabilities, user stories, and delivery plans. Oversees dependencies, releases, platform performance, adoption metrics, stakeholder reviews, and continuous improvement across enterprise technology initiatives.

Build and own foundational Android platform infrastructure, shared libraries, architecture, observability, performance tooling, and developer workflows. Lead cross-organizational technical initiatives, integrate AI-assisted development practices and tools, establish engineering standards, mentor engineers, and collaborate across mobile, web, backend, product, and design teams.

Build and own foundational Android platform infrastructure, shared libraries, frameworks, architecture, observability, and performance tooling used across Cash App. Lead cross-organizational technical initiatives, promote AI-native engineering practices, evaluate AI development tools, mentor engineers, and collaborate across Android, iOS, web, backend, product, and design teams.

Lead and expand Rain's global financial ecosystem partnerships: source and negotiate strategic bank, payments, treasury, and infrastructure relationships; manage cross-functional implementations; influence product and expansion strategy; mitigate partner risks and improve infrastructure resilience.

Build and operate Coinbase's LLM and agent platform: unified model gateway, AI Hub, secure microVM agent runtime, knowledge base integrations, AI FinOps, observability and evaluation tooling, and production-grade agent deployments with teams across the company.

Architect, build, and operate low-latency market data systems, including feed handlers, normalization, distribution, and exchange connectivity. Design high-throughput infrastructure for real-time trading data, improve reliability and performance, participate in observability, on-call, and incident response, and deliver well-tested features end to end. Partner with engineering, product, and cross-functional stakeholders while leading a lean, high-impact team.

Own infrastructure, deployment, operational tooling, observability, deploy safety, and incident response for latency-sensitive institutional trading systems across cloud and colocated environments. Improve reliability, performance, and developer velocity; reduce single points of failure; establish operational standards and automation; partner with engineering, product, markets, and SRE; and mentor engineers in a 24/7 production environment.

The Accounting Manager will oversee general ledger accounting, prepare financial statements, assist with audits, and implement accounting policies and procedures.

Prepare and file individual and business tax returns involving bitcoin and digital assets. Provide cryptocurrency tax planning, calculate cost basis and gains or losses, maintain compliance records, collaborate with financial and estate planning teams, monitor regulatory changes, and contribute to thought leadership through articles, webinars, and industry events.

Own developer-facing outreach for Trail of Bits: grow community relationships, support and onboard maintainers, convert research into usable tools and docs, publish deep technical content, run workshops and conference presence, and attract upstream contributions while routing practitioner feedback into product and research priorities.

Design, build, test, and deploy smart contracts and decentralized applications. Maintain blockchain integrations and backend services, optimize for security and gas efficiency, contribute to architecture and technical strategy, conduct code reviews, mentor junior engineers, and collaborate with product, frontend, and security teams.