# Senior AI Engineer

**Company:** [Fieldguide](https://hotfix.jobs/companies/fieldguide)
**Location:** San Francisco, CA
**Role:** ML Engineering
**Salary:** $190k – $255k/yr
**Experience:** 3+ years
**Skills:** TypeScript, Python, Postgres, LLMs, OpenAI, Gemini, Anthropic, RAG, Vector Databases, Embedding Models, Agent Frameworks, Retrieval Pipelines, Agent Orchestration, Evaluation Frameworks
**Posted:** 2026-05-04

> Builds and ships AI agents that automate complex audit workflows using LLMs, retrieval pipelines, and orchestration logic. Owns end-to-end development, evaluation, reliability, and mentoring while partnering with product and design teams. Requires 3+ years experience with production LLM features.

## Job Description

## What You’ll Own

### Build and Ship AI Agents
- Design and build agentic systems that automate complex audit workflows end-to-end
- Translate customer problems into concrete agent behaviors and orchestration logic
- Orchestrate LLMs, tools, retrieval, and business logic into reliable, production-grade agent experiences
- Own agents across their lifecycle: delivery, reliability, performance, and observability

### Execute with AI-Native Leverage
- Use AI to accelerate design, build, test, and iteration cycles
- Prototype quickly, then harden systems for enterprise-grade reliability
- Build evaluation frameworks, feedback loops, and guardrails to improve agents over time
- Design prompts, retrieval pipelines, and orchestration logic that perform at scale

### Drive Product Impact
- Make clear trade-offs on what to build, cut, or skip based on customer value
- Partner with Product and Design to define capabilities that deliver real outcomes
- Stay close to customer workflows and optimize for highest-impact problems
- Identify capability gaps and unblock team progress proactively

### Mentor and Multiply the Team
- Raise the quality bar through code review, design feedback, and pairing
- Create reusable abstractions, patterns, and tooling that increase team velocity
- Share learnings across the team and establish engineering best practices

## Who You Are
Strong software engineer with bias to building, AI-native instincts, strong product judgment, learning velocity, grounded optimism, and end-to-end ownership.

## Experience
- 3–6+ years shipping production software in complex, real-world systems
- Strong command of **TypeScript**, **Python**, and **Postgres**
- Shipped LLM-powered features serving real production traffic
- Built retrieval pipelines and agent orchestration systems
- Implemented evaluation frameworks for model outputs and agent behavior
- Worked with vector databases, embedding models, and RAG architectures
- Hands-on experience with modern LLM APIs (**OpenAI**, **Gemini**, **Anthropic**) and agent frameworks
- Comfortable operating in ambiguity and taking responsibility for outcomes

## Benefits
- Competitive compensation with equity
- Comprehensive health and wellness benefits
- Flexible time off and work schedules
- Technology reimbursements
- 401(k) plan
- Twice-yearly in-person offsites across the U.S.
- Wellness benefits starting on your first day

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