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.

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.

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.