Jobs at Fun.xyz

Own the engineering systems powering go-to-market operations, including the revenue data layer, signal-based pipeline generation, deal intelligence, forecasting, internal AI copilots, and product feedback loops. Build production data pipelines, APIs, LLM automations, prototypes, and integrations while partnering closely with sales, product, customer success, and finance. Improve rep productivity, pipeline generation, forecast accuracy, CRM completeness, and strategic deal outcomes.

Design, develop, and deploy secure smart contracts and blockchain protocol integrations across multiple chains. Collaborate with backend and product teams, research DeFi technologies, participate in security audits, and troubleshoot on-chain incidents. The role focuses on scalable Web3 payments infrastructure, cross-chain communication, protocol reliability, and secure smart contract systems.

Design, build, and maintain high-performance backend APIs and services for a Web3 payments platform. Develop payment, settlement, routing, identity, and transaction infrastructure across blockchain networks and payment providers. Collaborate with product and protocol teams, write tested code, review contributions, and support incident response and production debugging while ensuring scalability, reliability, and compliance.

Design and scale SDK software powering crypto payments and Checkout across web2 and web3 environments. Build full-stack systems with strong performance, reliability, security, and user experience. Collaborate with protocol, backend, and business teams to solve complex problems and deliver scalable on-chain payment tools. The role involves product development, customer-facing experiences, and potentially blockchain, payments, and open-source technologies.