Product & technical systems
From messy
operations to
production systems.
Founder-led product and technical leadership for founders and operating teams that need to decide what should exist, then make it real.
Selected work
Evidence before capability lists.
The work spans products, internal systems, AI, and technical decisions. The common thread is turning ambiguity into something a team can run.
Zero-to-one product builds
Founder vision translated into product direction, architecture, and a production system—without assembling a full executive and engineering team first.
Product · Architecture · Delivery
AI systems for real operations
Agentic workflows, voice systems, internal tools, and approval boundaries built around the way a team actually works.
AI · Agents · Operating workflows
Technical judgment before the expensive decision
Architecture reviews, AI feasibility, technical diligence, and build-versus-buy decisions for founders and operators.
Diligence · Feasibility · Risk
The method
From bottleneck
to system.
Software is rarely the starting point. We begin with the operating reality, make the important decisions explicit, and build only what the system needs.
- 01
Diagnose
Map the workflow, decisions, data, constraints, and actual bottleneck.
- 02
Decide
Define what to build, buy, automate, stop, and measure.
- 03
Build
Ship the smallest production-worthy system with explicit guardrails.
- 04
Operate
Leave ownership, observability, documentation, and a working cadence.
Systems
Reusable products shaped by delivery.
Some patterns deserve to become products. These systems emerged from recurring operating problems—not from a feature brainstorm.
Founder-led
“I shape what should exist, then build the system that makes the work run.”
I'm Shen Nan: former startup CTO, product engineer, and technical operator. I have built from a blank slate, worked inside fast-moving organizations, and inherited the workflows nobody wanted to untangle.
When the work calls for it, I bring a trusted bench of product, design, and ML specialists.
Notes from the work
Ideas earned in delivery.
Build Log · Jul 2026
Build log 001: from services to systems
A repositioning pass that removes the generic consultancy shape and makes work, method, systems, and operating ideas the primary surface.
Essay · Jul 2026
The system starts before the software
Most software failures begin one layer earlier: an unclear decision, a missing owner, or a workflow nobody has modelled honestly.
Start where it is messy