# Senior AI Engineer

**Company:** [Raylu](https://hotfix.jobs/companies/raylu)
**Location:** New York, NY
**Role:** ML Engineering
**Salary:** $165k – $250k/yr
**Skills:** LLMs, Function Calling, Multi-Step Planning, Routing, Memory, Retrieval, Temporal, Prompt Engineering, Guardrails, A/B Testing
**Posted:** 2025-10-27

> Builds and productionizes LLM-powered agent workflows, focusing on orchestration, evaluation, reliability, safety controls, and product iteration. Requires strong agentic systems expertise and engineering skills for scalable AI systems.

## Job Description

## Responsibilities
- Design, build, and productionize agent workflows end-to-end (APIs, tools, evals, monitoring).
- Create safety, cost, and latency controls; build dashboards and alerts for reliability.
- Partner with product/design to invent new interaction patterns and ship them fast.
- Document patterns and mentor engineers on best practices for LLM-powered features.

## What we're looking for
- **Agentic systems**: Function/tool calling, multi-step planning, routing, memory, and retrieval.
- **Engineering first**: Wire up services, craft eval harnesses, and debug latency/cost at scale.
- **LLM breadth**: Comfortable comparing models/hosts, prompt strategies, and guardrail techniques.
- **Product focus**: Instrument outcomes, run A/Bs, and iterate to improve task success rates.
- **Opinionated**: Deep understanding of technological landscape, making high-level system and granular code design decisions.

## Nice to have
- Experience with workflow engines (e.g., Temporal), comfort in full stack engineering.

## Compensation
- $165K - $250K salary, $100K-200K equivalent in new hire equity (4 year vest)

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**Apply:** https://hotfix.jobs/jobs/661eef22-b0a9-41a5-a5a3-5fd31fb1812b
**Canonical:** https://hotfix.jobs/jobs/661eef22-b0a9-41a5-a5a3-5fd31fb1812b