Product Engineer
Hybrid New York Full-time Mid-level Software Engineering
At a glance
Mid-level Software Engineering role at fun.xyz. New York · full-time · $155,000–$300,000 base.
SalaryStated by fun.xyz
$155,000 – $300,000
Base salary for this role, in USD per year, as published in the posting.
This role, from fun.xyzOur estimate for the market: $157,500–$225,000Median $190,000
The range includes the market median of $190,000 for mid-level software engineering roles in New York.
Worked out from 229 postings that stated pay, median $190,000. Last updated Oct 24, 2026.
RoleSoftware Engineering
SeniorityMid-level
LocationNew York
WorkplaceHybrid
EmploymentFull-time
Base pay$155,000–$300,000
PostedJan 14, 2025 · 1y ago
Role brief
techroles summary, based on the employer's posting.
What you'll do
- Design and grow the SDK software behind Checkout for both traditional web and blockchain settings
- Build across the stack, balancing system speed and reliability with a clear user experience
- Work with protocol, backend and business teams to tackle challenges in on-chain payments
- Create tools that can support global use as payment needs evolve
What you bring
- At least three years building with JavaScript, TypeScript and modern frameworks
- Strong full-stack skills, including React and backend APIs
- A track record of delivering scalable, high-performance software
- Careful attention to product design and how users interact with it
Who this fits
This mid-level role suits an engineer who takes ownership and executes carefully; crypto experience is welcome, but engineers from other technical backgrounds can ramp up. The job is primarily in person at the Midtown, New York office Monday through Thursday, with Fridays available for optional work from home.
From the employer
Capital markets are undergoing a fundamental shift. Assets that live in fragmented systems and manual workflows are moving onto blockchains -systems designed to move and store value more transparently and efficiently.
While this unlocks more open and programmable financial systems, it also introduces significant complexity. For most users, interacting with this new infrastructure is still too difficult.
Fun builds the infrastructure that powers consumer-facing fintech applications - handling onboarding, account access, and money movement so users can interact with blockchain-based systems as seamlessly as they do with traditional finance.
For fintech builders, Fun provides a best-in-class onboarding and deposit stack that drives conversion and unlocks user growth. We operate at the intersection of financial infrastructure, complex engineering, and product experience. About the Role We're looking for a talented Product Engineer (Mid, Senior, Staff) to join our team and help shape the future of crypto payments. In this role, you'll design and scale SDK software that powers Checkout across web2 and web3 environments, working across the stack on systems that balance performance, reliability, and UX. You'll collaborate closely with protocol, backend, and business teams to solve complex challenges and build tools that scale globally to meet the evolving demands of on-chain payments. Crypto experience is a plus, but fast learners from any technical background are welcome.
While this unlocks more open and programmable financial systems, it also introduces significant complexity. For most users, interacting with this new infrastructure is still too difficult.
Fun builds the infrastructure that powers consumer-facing fintech applications - handling onboarding, account access, and money movement so users can interact with blockchain-based systems as seamlessly as they do with traditional finance.
For fintech builders, Fun provides a best-in-class onboarding and deposit stack that drives conversion and unlocks user growth. We operate at the intersection of financial infrastructure, complex engineering, and product experience. About the Role We're looking for a talented Product Engineer (Mid, Senior, Staff) to join our team and help shape the future of crypto payments. In this role, you'll design and scale SDK software that powers Checkout across web2 and web3 environments, working across the stack on systems that balance performance, reliability, and UX. You'll collaborate closely with protocol, backend, and business teams to solve complex challenges and build tools that scale globally to meet the evolving demands of on-chain payments. Crypto experience is a plus, but fast learners from any technical background are welcome.
Requirements
- 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
Nice to Have
- Familiarity with blockchain technologies and EVM-compatible networks
- Comfortable solving difficult technical problems in agile environments
- Experience working on payments, SDKs, or crypto-related systems
- Passion for building secure, efficient, and accessible tools
What Sets You Apart
- You've contributed to open-source projects or built SDKs/dev tools
- You have shipped products from 0 to 1 in a fast-paced setting
- You thrive in ownership-heavy environments and pride yourself on execution
- You approach problem-solving with thoughtfulness, precision, and rigor
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