Jobs at Fun.xyz

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.

Senior Counsel will lead commercial and transactional matters, including partnership agreements, vendor contracts, NDAs, and integration deals. The role also supports regulatory analysis, product counseling, corporate governance, financing, employment, and other legal matters. Responsibilities include partnering with business teams, using AI and legal technology tools, and developing scalable legal processes, templates, and playbooks in a fast-paced fintech and blockchain environment.

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.

Accelerate Fun.xyz's growth by cultivating partnerships in fintech, closing enterprise deals, and representing the company at industry events. Requires 5+ years in sales or BD with strong fintech and crypto knowledge.

Design and maintain high-performance backend services and APIs for a web3 payments platform, collaborating with teams and ensuring system reliability.

As a Product Engineer, you will design and scale SDK software for Checkout, collaborating across teams to enhance crypto payment solutions.

As a Protocol Engineer, you will design and develop secure smart contracts and blockchain protocols, collaborate with teams, and research new technologies for decentralized finance solutions.

Own end-to-end product design for consumer-facing fintech/crypto flows (onboarding, deposits, withdrawals). Create adaptive, high-conversion experiences, design systems, and motion that enhance usability. Collaborate closely with PMs and frontend engineers, drive design decisions, and execute autonomously with a strong focus on visual craft and quality.