# Senior Software Engineer - AI Enablement

**Company:** [Mercury](https://hotfix.jobs/companies/mercury)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $167k – $219k/yr
**Experience:** 5+ years
**Skills:** LLMs, RAG, Agents, Mcp Servers, Prompt Libraries, Guardrails, Policy-As-Code, Observability, Retrieval, Evaluation Frameworks
**Posted:** 2026-04-06

> Builds and scales internal AI platform infrastructure including LLM gateways, MCP servers, and knowledge layers to enable company-wide AI adoption. Requires 5+ years backend experience shipping production LLM systems like RAG and agents.

## Job Description

## What you'll do

You'll join a team building Mercury's internal AI platform and enablement layer to extend, harden, scale it, and help teams adopt it.

### Extend the AI platform foundation
- Build and evolve MCP servers connecting internal systems and data sources for agents and engineers.
- Expand LLM gateway infrastructure: routing, rate limiting, cost attribution, observability.
- Turn patterns into defaults: shared prompt libraries, guardrails, policy-as-code.

### Strengthen the shared company knowledge layer
- Shape structured context artifacts for LLMs.
- Improve knowledge discoverability and retrieval.
- Partner with teams to standardize sources of truth.

### Enable faster prototyping and iteration
- Build sandbox environments and tooling for safe AI experiments.
- Create self-service scaffolding for non-engineers.
- Build playgrounds and evaluation harnesses.

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**Apply:** https://hotfix.jobs/jobs/8f0ef6d2-661f-44e1-8635-f6581f252d33
**Canonical:** https://hotfix.jobs/jobs/8f0ef6d2-661f-44e1-8635-f6581f252d33