Rain

Backend Engineer, AI

New York, NY

Sponsorship not specifiedDetected 119 days ago

Node.jsData EngineeringLLMsAgentic AIProduct ManagementProduct Strategy

About the role

You'll be one of the first engineers on Rain's new AI team.
If you want to shape how AI gets built into a payments company, this is the role.

Build and scale the backend systems, APIs, and data pipelines that power Rain
Design and ship AI-powered features, agents, and automation into our core platform
Build shared AI infrastructure: composable tool interfaces, eval frameworks, and permission-aware data access
Work embedded with the business, understand the workflows you're building for firsthand
1-3+ years building production systems that use LLMs, tool calling, structured outputs, prompt architecture, retrieval patterns
Eval framework design, building systematic ways to measure AI quality
To support this mission, we issue a card for our team to utilize the card for testing.
Time spent together helps us get to know each other, strengthen our relationships, and build a common destiny.

Experience with Node.js and other backend technologies
Comfortable with ambiguity, you can take a loosely defined problem, make decisions, and ship
This position is for folks with 3-8+ years of experience, compensation will be based on experience

Fintech experience (neobank or card issuing experience gets extra brownie points)
If you'd like to work with others in an office feel free to come in.
We want everyone to be able to work in the environment in which they are their most confident and productive selves.
Rain Cards 🌧️ We want Rainmakers to be knowledgeable about our core products and services.
Team summits ✨ Summits play an important role at Rain!
Expect team and company offsites both domestically and internationally.

This position is for folks with 3–8+ years of experience, compensation will be based on experience

Unlimited time off 🌴Unlimited vacation can be daunting, so we require Rainmakers to take 10 days minimum for themselves.
Flexible working ☕ We support a flexible workplace, if you feel comfortable at home please work from home.
New Rainmakers will have a stipend to create a comfortable atmosphere at home.
Easy to access benefits 🧠For US Rainmakers, we offer comprehensive health, dental and vision plans for you and your dependents, as well as a 100% company subsidized life insurance plan.
Retirement goals💡Plan for the future with confidence.
Equity plan 📦 We offer every Rainmakers an equity option plan so we can all can benefit from our success.
Health and Wellness 📚 High performance begins from within.
Rainmakers are welcome to use their card for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you!

Rain makes the next generation of payments possible across the globe.
We're a lean and mighty team of passionate builders and veteran founders.
Our infrastructure makes stablecoins usable in the real-world by powering card transactions, cross-border payments, B2B purchases, remittances, and more.
We partner with fintechs, neobanks, and institutions to help them launch solutions that are global, inclusive, and efficient.
You will have the opportunity to deliver massive impact at a hypergrowth company that is funded by some of the top investors in fintech, crypto, and SaaS, including Sapphire Ventures, Norwest, Galaxy Ventures, Lightspeed, Khosla, and several more.
If you're curious, bold, and excited to help shape a borderless financial future, we'd love to talk.
We believe in an open and flat structure.
You will be able to grow into the role that most aligns with your goals.
Our team members at all levels have the freedom to explore ideas and impact the roadmap and vision of our company.
We're building from the ground up internal systems that make our operations smarter and customer-facing infrastructure at the intersection of AI agents, fintech, and stablecoins, including some of the first agentic payment systems in production.
Be a critical part of the technical and product roadmap
Rapidly ship new capabilities to our customers and internal teams

This listing is sourced directly from Rain's careers page and normalized into a canonical job model.