Los Angeles, CA

I build AI productsfor companieswhere a bad deploycosts real money

I build AI productsfor companieswhere a bad deploycosts real money

Hi, I'm Aga
AI Product Engineer

B2B · Founders, Operators & Investors

Selected work

A few things I've built

01
Featured

E-Commerce Platform

Checkout work for one of Europe's largest e-commerce platforms. Over a million users. Thousands of orders a day.

Under NDA. Details available on request.

1.5 years on a team where a bad deploy meant revenue stopped moving. You learn fast what a decision costs in production.

ReactReduxStripeREST APIsTypeScript
02

Claro

Multi-tenant marketplace where each vendor gets their own storefront, isolated data, and Stripe Connect payouts.

Admin can draft product copy with AI when they want to. It only saves after validation, because nobody wants to clean up model garbage by hand.

Next.js 15Payload CMS 3tRPC v11Stripe ConnectClaude API
03

Dotty

Invoice and payment portal for freelancers. You send invoices, clients pay in their own portal, and status updates stop living in email threads.

Overdue reminders drafted by AI, reviewed by you, sent when you decide. The API key never reaches the browser.

ReactSupabaseStripeAnthropic APITypeScript
04

FunnelScout

B2B SaaS for agencies on GoHighLevel. Connect an account, get weekly AI analysis, and keep spend under control before the model burns through credits.

The hard part was not the AI. It was making sure the product stayed fast, the analysis ran on schedule, and usage stayed inside the plan people paid for.

Next.js 16InngestDrizzleBetterAuthStripeClaude API
05

LA Market Report Agent

Monthly real estate market reporting workflow for a private investor in Los Angeles.

Seven data sources. Eight research tasks running in parallel. One report delivered every month without someone stitching it together by hand.

HonoInngestNeonClaude APIPuppeteer
In progress
About

I'm Aga Kadela. AI Product Engineer in Los Angeles.

The most expensive mistakes don't throw errors. You don't notice them until the revenue is wrong.

I learned that building checkout systems for over a million users. 1.5 years where downtime wasn't an option. You get a feel for what looks fine but will bite you later.

I bring that to everything I build. What's in front of me and what happens when real users show up.

I'm in Los Angeles, building my own products and taking on few projects a year. Usually for people who want the thinking done, not just the code written.

Aga Kadela

Aga Kadela

What I build

If you know the outcome and the current workflow is a mess, that's usually where I start.

Custom AI Agents

Custom AI agents and backend workflow engines built to own the job. No dashboard unless someone actually needs one.

Explore service →

Production SaaS

B2B SaaS with auth, billing, roles, and tenant rules that stay correct after launch.

Explore service →

AI Integrations

Add an AI layer to the tools you already run. Keep the current stack. Remove the manual glue work.

Explore service →
Process

How I Work

Scope

I question the brief

Most problems look technical from the outside. Before anything else, I push back on what we're actually trying to solve - because I've seen what happens when nobody does.

Communication

You know where things stand

You hear about changes before you have to ask. If something slips or breaks, I tell you right away.

Judgment

I know when not to build

I'll tell you when something isn't worth building. Sometimes there's a simpler path. Sometimes we should wait.

Handover

You leave with something you can own

You leave with a codebase you can own. And the context that makes sense of it six months later.

Contact

Get in touch

If you have a real technical problem and and no patience for another management layer in the middle, email me at [email protected]. In person when it makes sense.

FAQ

A few things people ask

What does an AI Product Engineer do?
I build software where AI does real work inside the product. That means the backend, the data model, auth, payments, and the AI layer too. If it only works in a demo, it isn't finished.
What kind of projects does Aga Kadela take on?
Production SaaS, custom backend workflows, and AI integrations. Usually for B2B teams where the workflow is already real and mistakes are expensive.
Is Aga Kadela available for new projects?
I work with a small number of clients at a time. That's just what good work takes. If you already know there's a real problem to solve, email me at [email protected].
What industries does Aga Kadela work with in Los Angeles?
Mostly B2B. Real estate, construction, entertainment production, logistics. Businesses where the work is operational and the software has to stay accurate.
What is the difference between a standard SaaS and an AI SaaS?
A regular SaaS helps you do the work through a UI. An AI product should take on part of the judgment work too - drafting, researching, or sorting what matters. Otherwise it is still mostly a manual workflow.