Senior Back-End Engineer Node.js

We are

At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely.

With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered. .

What You Bring to the Table

•  Available working some US hours

• Proficient in Hebrew and English both written and verbal, sufficient for achieving consensus and success in a remote and largely asynchronous work environment - Must

• Hands-on production experience with Large Language Models, prompt engineering, RAG workflows, agent frameworks, and LLM evaluation strategies.

• Experience building and consuming MCP servers.

• 5+ years of professional software development with a proven record on complex full-stack systems.

• Experience with modern JavaScript (ES6+), React, state management (Redux, Zustand, or similar) at scale.

• Hands-on experience architecting on AWS (DynamoDB, S3, RDS, Lambda, and API Gateway). Knowledge of Infrastructure as Code (Terraform) is a plus.

• Deep understanding of TDD, CI/CD pipelines, and Agile/Scrum leadership.

• Ability to debug problems across distributed systems and optimize bottlenecks in real-time data flows.

• Great communicator with the ability to influence technical direction and manage stakeholder expectations.