Datum — lintel

Design that
carries intelligence.

Senior product designer. Fifteen years of complex software. Architecture background — I think in structure before I think in surface.

DOMAIN Enterprise SaaS · AI products · Internal tools
BACKGROUND Architecture
DELIVERABLES Product design · Design systems · AI workflows
01 — About
Sean Craig
Senior Product Designer
lintel.works

Select work shown.
Additional enterprise
work under NDA.

Senior product designer. Fifteen years of complex software. Architecture background — I think in structure before I think in surface.

15+ years of product design across enterprise platforms, fintech, government systems, and AI-native products. I handle design and development hands-on — shipping production React apps, React Native mobile, and AI-powered tools using Claude, Claude Code, and Cursor. Background in architecture means I think in systems first. Using agentic coding tools alongside Figma has collapsed the distance between how I design and how products actually get built.

02 — Selected work 04 projects
AI product · Consumer

Koers — AI Cycling Coach

"Beta riders cited Mia's explanations as the primary differentiator from every tool they'd used before."
REF: KOERS · AI CYCLING COACH

I built this because every AI coaching app I looked at adapts your plan in silence — the plan just changes and you're told what to do next. I wanted a different starting point: what if the AI coach actually explained herself? Every adjustment, in plain language, in a coach's voice. That's what the whole product is built around.

AI product designProduct strategyDesign system
Enterprise · Internal tools

UP Atlas — Enterprise Mapping

"First time in the platform's history the interface reflected a clear point of view about what mattered."
REF: UP ATLAS · ENTERPRISE MAPPING

Union Pacific's internal mapping platform had more data than most enterprise tools I've worked on. The problem wasn't gaps — everything was there, it just all competed for attention equally. I ran 22 interviews across 7 departments before touching the design. Nothing could come out. The whole challenge was building hierarchy into a system that had no room for subtraction.

Enterprise UXUX researchInformation architecture
Fintech · Advisor tools

RFG — Portfolio Platform

"Advisors stopped losing the room mid-presentation."
REF: RFG · PORTFOLIO PLATFORM

Financial advisors were building client presentations out of screenshots and PowerPoint — pulling numbers manually, assembling decks by hand, trying to make self-generated charts look polished enough to put in front of someone's retirement savings. I redesigned the portfolio presentation experience from the ground up so the data they already had could speak for itself.

Product designUX researchDesign system
Consumer · Cycling

VeloVane — iOS App

"One app. No second-guessing the forecast."
REF: VELOVANE · iOS APP

Cyclists don't just read weather — they translate it. What does 18mph northwest mean when you're turning at mile 40? What's the feel temperature at 5:30am? General forecast apps don't answer any of that. I built VeloVane around the questions cyclists are actually asking.

iOS appData vizBrand identity
03 — Proof
In their words.

It's polished, it's branded, and it feels intentional. Clients notice the difference immediately - and honestly, it makes us look like a much bigger firm.

Ryan Shroer, President · RFG

04 — How it works
Considered to the last detail.
I start with the person, not the platform.

The user is the brief. Their expertise, their friction, what they actually reach for — that's what every decision builds from.

I stay in the problem longer than feels comfortable.

The fuzzy early stage is where the real design work happens. A well-framed problem is more valuable than a polished solution to the wrong one.

I use AI to sharpen the process — not replace the thinking.

AI compresses research cycles, accelerates exploration, and stress-tests decisions earlier. I use it actively in my own workflow and help teams do the same. The judgment about what matters is still human.

Design decisions get better when they're explained.

Documentation, critique, and learning out loud aren't overhead — they're how good design culture compounds. I write things down. I share reasoning. I'd rather a junior designer understand why than just see what.

§ 05
05 — Workflow Intelligence

I have opinions about where AI is taking product design.

Not as a trend to follow — as a set of real, specific decisions about how intelligent products earn trust, how AI changes the designer's role, and where the human judgment still has to live. These aren't talking points.

I'm happy to get into them.

Start a conversation

Something worth building?

The practice is small by design and runs on referral. If the work fits what you're building, get in touch. That's usually where it starts.