Product Engineer, Crypto Payments & SDKs

Fun; New York (NY); On-site; USD 155,000 - 300,000; Full time

Job summary

Fun in New York is seeking a Product Engineer (Mid, Senior, Staff) to design and scale SDK software powering Checkout across web2 and web3. You will collaborate with protocol, backend, and business teams to solve complex challenges and build tools that scale globally to meet on‑chain payments demands.

Crypto experience is a plus, but fast learners from any technical background are welcome; in this role you’ll ship high‑quality, secure software with attention to UX and performance, in a

Qualifications

• 3+ years of engineering experience with JavaScript, TypeScript, and modern frameworks.
• Strong understanding of full-stack development, including React and backend APIs.
• Attention to detail in both product design and user interaction.
• Proven track record building scalable, high-performance software.

Skills

JavaScript

TypeScript

Full-stack

React

Backend APIs

High-performance

Attention to detail

Job description

Fun in New York is seeking a Product Engineer (Mid, Senior, Staff) to design and scale SDK software powering Checkout across web2 and web3. You will collaborate with protocol, backend, and business teams to solve complex challenges and build tools that scale globally to meet on‑chain payments demands.

Crypto experience is a plus, but fast learners from any technical background are welcome; in this role you’ll ship high‑quality, secure software with attention to UX and performance, in a