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Senior Backend Engineer – Node.js + AI/LLM

Bright SolPhoenix, AZ🇺🇸United StatesPosted 3 Sept 2026

Why This Role Stands Out

Advance your career by building cutting-edge AI solutions with a highly reputable company, enjoying the flexibility of a hybrid work model. If you're a skilled Node.js and AI/LLM engineer eager to shape the future of agentic AI, this is an exceptional opportunity to apply your expertise.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Phoenix, AZ, United States
Posted
Yesterday
MicroservicesNode.jsAWSAirflowGoogle CloudKubernetesLLMPhoenixRESTTypeScript

Job Description

Hiring: Senior Backend Engineer – Node.js + AI/LLM

📍 Location: Phoenix, AZ – Hybrid
💼 Type: Contract

We’re looking for a Senior Backend Engineer with strong Node.js/TypeScript + AI/LLM experience to build scalable backend systems and production-grade agentic AI solutions.

🔹 Required Skills

✅ Node.js & TypeScript
✅ Backend/API development – REST, Microservices
✅ AI/LLM systems & Agentic AI
✅ LangGraph / LangChain / Airflow or similar orchestration frameworks
✅ RAG pipelines, retrieval & grounding
✅ LLM infrastructure, inference & model gateways
✅ AWS and/or Google Cloud Platform
✅ Kubernetes
✅ Distributed systems & event-driven architectures
✅ Strong experience designing scalable, reliable backend systems
✅ Experience with Go is a plus

🔹 What You’ll Do

• Design and develop high-performance backend services and APIs
• Build and operate production-grade agentic AI systems
• Design agent orchestration, planning, tool-use and memory strategies
• Develop RAG and LLM-powered capabilities
• Drive architecture decisions around autonomy, reliability, scalability, safety and cost
• Build evaluation, observability and safety tooling for AI systems
• Lead technical design discussions and collaborate with cross-functional teams

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