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Own enterprise and mid-market client relationships for a blockchain-based fintech infrastructure platform. Responsibilities include account management, renewals, expansion, escalations, client reviews, onboarding, cross-time-zone coverage, and process automation. The role partners closely with engineering, product, and design, uses AI tools such as Claude, supports technical integrations, and helps automate mid-market customer success workflows.

Investigate complex blockchain account and transaction support cases across multiple chains. Verify wallet and account details, use blockchain explorers and internal tools, document auditable case files, and escalate recurring issues or policy gaps. The role requires strong technical judgment, meticulous documentation, and work within defined approval frameworks. It is primarily in person at the company’s Midtown New York City headquarters Monday through Thursday, with optional remote work on Fridays.

Own day-to-day support operations, including outsourced team leadership, coaching, escalation triage, queue coverage, quality assurance, tooling, workflows, reporting, and documentation. The role partners with Customer Success leadership to build scalable support processes, manages external support performance, resolves first-pass issues, and maintains high-quality customer and enterprise support experiences. Experience with fintech, payments, crypto, compliance-adjacent workflows, and support operations is valuable.

Own complex fintech product initiatives end to end, from problem definition and requirements through launch, measurement, QA, and iteration. Collaborate with Product, Design, Engineering, Payments, and Data to simplify blockchain-based onboarding, deposits, account access, and money movement. Apply strong technical fluency, product judgment, analytics, and exceptional attention to quality, edge cases, and user experience.

Build and deploy full-stack onboarding, checkout, and money-movement solutions for strategic fintech customers. Lead technical discovery, architecture, scoping, prototyping, customer evaluations, production rollouts, and cross-functional roadmap planning. Collaborate with Sales, Product, Customer Success, engineers, and executives while helping establish the Forward Deployed Engineering team and scalable development processes.

Lead product marketing for a fintech/blockchain infrastructure startup: develop messaging, craft launches and social content, produce case studies and website copy, enable sales with collateral, gather customer and market insights, and support executive communications and events as the company builds out its marketing function.

As a Backend Engineer at Fun.xyz, you will build and maintain backend services for a Web3 payments platform, ensuring high performance and reliability.

Join Fun.xyz as a Product Engineer to design and scale SDK software for Checkout, collaborating across stacks and teams to innovate crypto payment solutions.

Design, implement, and deploy secure smart contracts and cross-chain protocol components. Collaborate with backend and product teams, write efficient well-tested code, participate in security audits, research new blockchain technologies, and respond to on-chain incidents to ensure reliability.

Build and lead a first-of-function compliance program for a fintech bridging fiat and crypto. Own sanctions screening, policies, vendor selection, compliance-by-design integration, advisory relationships, and documentation. Advise product and engineering on controls for non-custodial architectures and on-chain risk.