Full Stack Engineer

Full Stack Engineer at Cross River, responsible for leading design and architecture of LLM-based platform, working with product managers and stakeholders, architecting applications for extreme speed and reliability, and mentoring junior developers.

Requirements

• 4+ years of professional software development experience
• Solid knowledge of React, modern JavaScript (ES6+), and state management patterns at scale
• Python or Node.js, Express.js, and designing scalable Microservices architectures
• Advanced experience with SQL and NoSQL databases
• Hands-on experience architecting on AWS (DynamoDB, S3, RDS, Lambda, and API Gateway)
• Knowledge of Infrastructure as Code (Terraform/CDK) 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
• Professional experience or deep technical projects involving Large Language Models, Prompt Engineering, or RAG (Retrieval-Augmented Generation) workflows

Benefits

• Generous Paid Time Off
• 401k Matching
• Retirement Plan
• Equal Opportunity Employer