Senior AI Systems Engineer (Rails + LLMs)

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ANT-TECH ASIA
180000 - 250000 USD / Year
  • Consulting
  • FullTime

Senior AI Systems Engineer (Rails LLMs)

Location: Hybrid/Remote (US-based) — New York, NY

Employment Type: Full-time

Salary: 180,000 — 250,000 USD

Guarantee: 2 months

About the Company

We are a fast-growing, well-funded tech company (backed by $16M ) building AI-first enterprise solutions . Our mission is to transform how organizations learn and scale by leveraging agentic AI workflows. With cutting-edge technology, we empower global enterprises to reimagine learning, enablement, and productivity.

Role Overview

We’re seeking a Senior AI Systems Engineer with strong expertise in Rails and deep experience with LLMs to design, build, and scale advanced AI-powered systems. From agentic workflows and multi-agent orchestration to RAG pipelines and voice-based learning agents, you’ll have end-to-end ownership and the opportunity to shape impactful enterprise-grade solutions from day one.

What You’ll Do

  • Design and implement LLM-powered agentic workflows for real-world task execution.
  • Build organization-specific customization layers and AI safety systems.
  • Develop voice- and message-based AI learning agents.
  • Architect and maintain RAG, vector search, and evaluation pipelines.
  • Collaborate with founders, engineers, and clients to shape product direction.

Required Skills & Experience

  • 5 years of experience in Machine Learning (PyTorch, TensorFlow).
  • 2 years of experience with LLMs (Hugging Face, OpenAI, Anthropic).
  • Expert-level Rails engineer (REST APIs, PostgreSQL, ActiveRecord, RSpec).
  • Proven track record of building and deploying production AI systems.
  • Familiar with LangChain / LlamaIndex (or able to ramp quickly).
  • Strong communication, collaboration, and adaptability in fast-paced environments.

Why You Should Apply

✅ 401k Retirement Plan

✅ Health, Vision, Dental Insurance

✅ Founding-level ownership & growth opportunities