Backend Engineer, AI

Rain; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Rain is a global stablecoin payments platform seeking a Backend Engineer to develop AI-driven infrastructure and scalable services.

Ideal candidates have hands-on experience with Node.js and large language models (LLMs), plus a fintech background, and a passion for building reliable backends.

As one of the first engineers on the AI team, you will design shared AI infrastructure, implement data pipelines, and enable rapid deployment of AI features for customers and internal teams.

Qualifications

• Experience building backend systems, APIs, and data pipelines.
• Experience with Node.js and large language models (LLMs).
• Strong background in fintech or financial technology.
• Ability to design AI infrastructure and evaluation frameworks.

Responsibilities

• Develop AI-driven infrastructure and features for Rain's platform.
• Build and scale backend systems, APIs, and data pipelines.
• Integrate AI capabilities into core platforms and automation.
• Collaborate on designing shared AI infrastructure for rapid deployment.

Skills

Backend engineering

APIs

Data pipelines

Tools

Node.js

LLMs

Job description

Rain is a global stablecoin payments platform seeking a Backend Engineer to develop AI-driven infrastructure. Ideal candidates have experience with Node.js and LLMs, and a strong background in fintech.

In this role, you will contribute to building and scaling backend systems, APIs, and data pipelines that support Rain's innovative financial platform. You will work on integrating AI-powered features and automation into the core systems, directly impacting how the company operates.

As one of the first engineers on the new AI team, you will design shared AI infrastructure and evaluation frameworks. Your work will be closely aligned with business needs, enabling rapid deployment of new capabilities for both customers and internal teams.