Agentic AI Expert/Architect (Langchain, LLM, RAG systems, Node JS, UI Architect (ReactJS), UI UX Designs)

Compest Solutions IncUnited States🇺🇸United StatesPosted Sep 23, 2026

Why This Role Stands Out

This remote role offers an exceptional opportunity to shape the future of enterprise AI by architecting and building cutting-edge agentic systems, perfect for experienced professionals passionate about LLMs, RAG, and full-stack development in ReactJS and NodeJS. You'll drive innovation, mentor a talented team, and establish best practices in a dynamic environment with significant impact.

Quick Overview

Seniority

Mid Senior

Work mode

Remote

Location

United States

Posted

Yesterday

Generative AILLM

Job Description

AI Expert/Architect
Location: REMOTE

Only W2 Rate

Any US Visa will work

Top Skills Required:
1. UI Architect (ReactJS) 2. Agentic AI (Lang graph , Lang chain) 3. NodeJS
Responsibilities
Architect and build enterprise-grade Generative AI applications combining LLMs, retrieval, structured data, orchestration, and workflow automation.
Design agentic systems and multi-step reasoning workflows using LangGraph or equivalent with clear control over state, memory, tool invocation, and human-in-the-loop checkpoints.
Build fault-tolerant orchestration for long-running AI workflows using Temporal or similar platforms.
Drive reference architectures for model routing, prompt versioning, observability, experimentation, and safe production rollout.
Establish LLM/agent evaluation frameworks offline evals, regression suites, trace diagnostics, and quality metrics tied to business outcomes.
Own full feature development across design, implementation, testing, shipping, and servicing.
Write and review clean, high-quality code with a focus on performance, scalability, and maintainability.
Set best practices for AI tooling, service observability, alerting, and incident response.
Mentor engineers across the team and foster a culture of technical excellence and continuous learning.
Use AI tools in your daily workflow and advocate evolving best practices to the broader team.
Required Qualifications
15+ years of experience building large-scale distributed systems, platforms, or enterprise applications.
Proven track record shipping production AI/LLM-powered applications agentic workflows, RAG systems, or intelligent automation.
Deep expertise in Generative AI: LLMs (OpenAI), Prompt Engineering, RAG, vector search, and AI agent orchestration.
Hands-on experience with agent frameworks: LangChain, LangGraph, AutoGen, or equivalent.
Frontend and backend background to integrate AI solutions end-to-end into existing applications.
Strong software engineering fundamentals: system design, algorithms, testing, debugging, and code review.
Demonstrated ability to lead technical direction and mentor engineers.
Comfort in ambiguous, fast-moving problem spaces where best practices are still emerging.
BS, MS, or PhD in Computer Science, Engineering, or equivalent practical experience.