Fun.xyz

Blockchain Engineer

• Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
• Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
• Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
• Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
• Contribute to incident response and debugging on-chain issues to ensure protocol reliability

Protocol Engineer

Data Scientist

• Design and build scalable data models to **analyze** **transaction flows and user behavior**
• Support the optimization of data transformations, pipelines, and workflows
• Work directly with the CFO to **provide insights on the business’ performance**
• Maintain **data quality, observability, and reproducibility** across analytical systems
• Partner with engineers and product teams to deliver **actionable, production-grade insights**
• Run experiments, apply causal inference, and drive **evidence-based product decisions**
• Translate complex data into clear stories for both technical and non-technical stakeholders

Full-stack Engineer

• Design and scale SDK software that powers Checkout across web2 and web3 environments
• Work across the stack on systems that balance performance, reliability, and UX
• Collaborate with protocol, backend, and business teams to solve complex challenges
• Build tools that scale globally and meet the evolving demands of on-chain payments

Product Engineer

Product Manager

• Prioritize and own the product roadmap - make tough trade-off decisions to ensure engineering focuses on highest-impact work
• Work with top Web3 clients to optimize their conversion flows and translate feedback into clear roadmaps
• Deliver well-defined product specs for engineers to execute efficiently
• Support sales cycle by helping prospects shape tailored product solutions
• Own product lifecycle from ideation to launch with data-driven accountability
• Collaborate with engineering leadership to align product requirements with technical capabilities
• Establish product management processes as our first dedicated product hire

Fun.xyz

Protocol Engineer

Data Scientist

Product Engineer

Product Lead

Sales Development Representative