---
title: 'Founding AI Engineer at Flint'
canonical: 'https://feeny.ai/job/founding-ai-engineer-flint-san-francisco-bty8rqsh0ha8'
type: 'job'
last_seen: '2026-09-09'
---

# Founding AI Engineer at Flint

- **Company:** Flint
- **Location:** San Francisco, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2025-12-04
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.gem.com/flint/am9icG9zdDorIwPRogzt6KeBgthyMs3z

## Job description

## Role scope

- Designing and implementing production-grade agentic systems that power web experiences and marketing workflows, leveraging advanced prompt engineering and multi-agent architectures to do so
- Architecting and optimizing RAG (Retrieval-Augmented Generation) systems with context engineering
- Strengthening our engineering processes through robust evals, observability, and testing
- Developing and maintaining the core application across frontend, backend, and infrastructure
- Shaping our technical vision and leading architectural discussions. You'll make foundational decisions that influence both Flint's technical architecture and engineering culture.
- Creating and testing prototypes to gather rapid feedback from users

## Basic qualifications

- You are a [product-first engineer](https://thezbook.com/code-first-vs-product-first)
- You have built and deployed AI products that real users depend on
- You have extensive hands-on experience with prompt engineering, context optimization, and model fine-tuning
- You have strong full-stack engineering skills with experience integrating AI into web applications
- You regularly use AI IDEs like Cursor or Windsurf to code
- You take ownership of problems from start to finish and are eager to learn whatever you need to succeed
- You’re comfortable in a fast-paced environment with evolving requirements
- You have enthusiasm for building MVPs and iterating based on user feedback

## Preferred qualifications

- You have experience using AI for design system automation and component generation.
- You have a lived understanding of using a website builder (e.g. Webflow or Framer) and/or CMS (e.g. Sanity, Contentful, Strapi).
- Former founder or early-stage founding employee experience.

## About Flint

## Company Overview
- **One-liner**: FLINT is a design-build construction firm that delivers extraordinary building experiences by integrating design, engineering, and construction under one roof using a master builder approach.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Roseville, California, United States
- **Founded**: Not publicly available
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Construction (design-build and design-assist delivery)
- **Target customers**: B2B, serving clients in education, government, manufacturing, healthcare, hospitality, sports, and entertainment
- **Mission or purpose**: To provide an extraordinary building experience built on collaboration, teamwork, transparency, pre-planning, innovation, accountability, and fun

## Products & Services
- **Design-Build & Design-Assist**: Full-service integration of design and construction from preconstruction through completion, reducing waste and improving quality.
- **Preconstruction Services**: Detailed planning, estimating, scheduling, and value engineering before breaking ground.
- **Building Information Modeling (BIM) & Virtual Design & Construction (VDC)**: Advanced 3D modeling and coordination to enhance project accuracy and collaboration.
- **Modular Design & Manufacturing**: Off-site fabrication and modular construction to improve efficiency and speed on site.
- **Lean Construction**: Continuous improvement processes with daily inspection reports, weekly schedule updates, and real-time job cost accounting.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private company)
- **Key Metric**: Annual revenue of USD 5.3 million (latest available data)
- **Notable Investors/Partners**: No external investors disclosed. Recognized as General Contractor of the Year by the Associated Subcontractors Alliance of Sacramento for five consecutive years.
- **Growth Signals**: Headcount grew 49.4% year-over-year to 119 employees; 7 active job postings; expanded to 7 offices across California (Roseville, Irvine, San Jose, Carlsbad). Recently named a Best Place to Work by the Business Journals for medium-sized companies.

## Competitive Advantages
- **Master Builder Model**: In-house designers, engineers, detailers, material specialists, fabricators, and tradespeople work collaboratively without silos, reducing waste and improving quality.
- **Technology Integration**: Heavy investment in BIM, VDC, modular design, and lean construction processes allow for advanced pre-planning and real-time performance tracking.
- **Culture & Reputation**: Strong employee culture with a 4.7/5 employer rating (based on 8 reviews) and five consecutive General Contractor of the Year awards, signaling high trust and repeat business.

## Strategic Focus
- **Continuous Improvement**: Daily, weekly, and monthly measurement of performance metrics (cost, schedule, quality, safety) to drive incremental gains.
- **Talent Expansion**: Actively hiring across roles (Superintendent, Senior Project Manager, VDC Manager, Civil Estimator, etc.) to support growth in Sacramento, Bay Area, and San Diego.
- **Operational Excellence**: Emphasis on pre-planning, lean construction, and transparent communication to deliver projects on time and within budget.

## Why Work Here
- **Culture**: Values-driven environment emphasizing ownership, transparency, humility, and fun. Employees are trusted to “design, build, lead, and own” without hiding behind titles.
- **Employee Satisfaction**: High ratings across work-life balance (4.8/5), compensation (4.5/5), culture (4.6/5), and career development (4.5/5).
- **Growth Trajectory**: Rapid headcount growth (+49% YoY) and expanding office locations offer career advancement opportunities.
- **Work Policy**: Roles are primarily office/field-based in California (Roseville, Irvine, San Jose, Carlsbad). No explicit remote policy publicly stated.
- **Notable Perks**: Recognized as a Best Place to Work; emphasis on teamwork and continuous learning; access to cutting-edge construction technology.

## Sources
1. [flintbuilders.com](https://flintbuilders.com/about/)
2. [flintbuilders.com](https://flintbuilders.com/careers/)
3. [linkedin.com](https://www.linkedin.com/company/flint-builders)
4. [Business Journals (via search results)](https://www.bizjournals.com/sacramento/news/2021/10/19/best-places-to-work-flint-builders-tops-medium.html) (news article reference)

## Other roles at Flint

- [Founding Account Executive](https://feeny.ai/job/founding-account-executive-flint-san-francisco-18hsywh9dg18) — San Francisco, CA
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- [Founding Product Engineer](https://feeny.ai/job/founding-product-engineer-flint-san-francisco-vybf84aj10ah) — San Francisco, CA
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