# FlowManual

[FlowManual on Hacklab](https://hacklab.so/org/flowmanual)

Startup · 2 people on Hacklab

## Links

- [Website](https://flowmanual.com/)
- [Y Combinator](https://www.ycombinator.com/companies/flowmanual)
- [LinkedIn](https://www.linkedin.com/company/flowmanual/)

## About

<!-- hacklab:yc-profile -->

## YC company profile

AI for Construction's Back Office

FlowManual is the all-in-one AI estimating, bidding, and purchasing platform for both general and MEP construction contractors.

Built by two engineers and Harvard dropouts, FlowManual automates the buying process during pre-construction. With FlowManual, specialty contractors win more work while general contractors deliver at higher standards.

- **YC batch:** Summer 2026
- **Founded:** 2026
- **Team size:** 2
- **Location:** San Francisco
- **Country:** US
- **Status:** Active
- **Industry:** Real Estate and Construction
- **Stage:** Early
- **Tags:** SaaS, Construction, Workflow Automation
- **YC partner:** Gustaf Alstromer

## Founders

### David Shijoon Bae — Founder/CEO

Co-founder & CEO @ FlowManual. Automating Construction Contract Procurement. Previously MechE @ Harvard.

[LinkedIn](https://www.linkedin.com/in/shijoonbae/)

### Michael Lin — Founder/CTO

Co-Founder and CTO at FlowManual. Previously SWE intern at Dijie, where he built a video-based landing page that scaled revenue from $3K to $336K MRR and reduced latency from 800ms to 100ms. Published CS researcher at UC Santa Cruz, co-authored paper submitted to IEEE IV 2025.

[LinkedIn](https://www.linkedin.com/in/itsmichaellin) · [X](https://x.com/immichaellin)

[Source: Y Combinator](https://www.ycombinator.com/companies/flowmanual) · Retrieved 2026-11-02. Company information is self-reported on YC.

## Current staff

- [David Shijoon Bae](https://hacklab.so/david-shijoon-bae) — Founder/CEO (Present)
- [Michael Lin](https://hacklab.so/michael-lin-2) — Founder/CTO (Present)