Martin BrianSenior AI Engineer

Martin BrianSenior AI Engineer.

I ship agentic AI that engineering teams actually adopt. Not demos. Not pilots that quietly die. Things that stay shipped.

psst — try the ? key

~/.claude/skills/martin-brian
YAML · 14 linesbooting

The story so far

Now

Marvik → dLocal

Making AI do the boring parts

Embedded in dLocal's AI team, where I ship agentic systems on a Claude Agent SDK / Claude Code base. The one that rolled out across the engineering org drives 40%+ end-to-end automation of dev tasks on a high-availability fintech platform. People stopped asking "does this help?" and started asking "how did we work without it?"

Claude Agent SDKPythonMetaflowKubernetes
Four years

Ulta Beauty · Innovation

AR, AI, and a Fortune 500

Contributed to GLAMlab — Ulta's AR/AI virtual try-on and its first public generative AI app. Built a video analysis engine that watches affiliate and influencer content for brand-guideline violations at scale. Plus supporting iOS, web, and backend work across innovation projects.

Google ADKComputer VisionSwiftReact
Alongside

BroLi · Co-founder

Running a bookshop with code

Co-founded and led engineering at an independent bookshop that applied blockchain and AI to a category that usually ignores both. Owned the stack end to end, led a small team, learned that startups are 20% code and 80% everything else.

BlockchainNLPTeam Lead
Earlier

Universidad de Montevideo · Octobot

Teaching, shipping, learning

Taught innovation and life-design workshops at UM's corporate innovation lab. Before that, shipped Django/React web and Swift/SwiftUI iOS at Octobot. The teaching part stuck — I still think of great engineering as mostly good explanation.

TeachingiOSFull-stack
I think in
Python·Swift·TypeScript
I build agents with
Claude Agent SDK·Claude Code·LangGraph·Google ADK
I make AI useful with
RAG·Knowledge Graphs·NLP·Computer Vision
I ship on
Kubernetes·Metaflow·Docker·Vercel

Things I've built

The projects that taught me the most — or that I just can't stop talking about.

Seniorify.dev — landing page

Seniorify.dev

🏆 1st place at the Montevideo edition of Vercel's "Zero to Agent" Hackathon. A senior-in-the-loop for AI coding agents — intercepts PRs before they're written and interrogates juniors on their architecture choices, so they understand the why and not just the what.

AIDevToolsEdTechNext.js
Phex — the hackathon team

Phex

🏆 1st place at the 2025 AI Hackathon (Microsoft AI Co-Innovation Lab × INGENIO, BASF challenge). An agentic AI safety copilot for chemical plants — modular, real-time, and watches operations on video to flag risk before productivity, safety, or sustainability take the hit.

Agentic AIComputer VisionIndustrial Safety
Startup in a Box — the boardroom of agentsStartup in a Box — the deck

Startup in a Box

Two AI architectures walk into a room and build a startup — Google ADK plans, Claude Agent SDK builds. Open source; the live link is a UI preview, so clone the repo to run the full stack.

Claude Agent SDKGoogle ADKPixiJSNext.js
Proprietary
dLocal

dCoder

The agent system that changed how dLocal's engineering org works — model-agnostic agents handling code reviews, test generation, and routine dev in production on fintech rails. Drives 40%+ end-to-end automation of dev tasks.

Claude CodePythonKubernetes
Built at dLocal · not my IP
Proprietary
Ulta Beauty

GLAMlab

Ulta Beauty's AR/AI virtual try-on — millions of users on iOS and Android, and the company's first publicly-recognized generative AI application.

AR/VRSwiftiOS
Built at Ulta Beauty · not my IP
Proprietary
Ulta Beauty

Brand Compliance Engine

Watches thousands of influencer videos and flags the ones that break the rules — competitor mentions, quality issues, policy violations. Built to replace a team squinting at screens.

Computer VisionNLPPython
Built at Ulta Beauty · not my IP

Talks & demos

I explain agentic AI on stage — usually live, usually with something deploying in real time while I talk.

All talks
Greenfield — the deckThe room votesSimon Sees — flashlights upAt the Marvik Meetup

Greenfield Development with Claude Code

From vibes to engineering — a decision framework for building with AI agents, run as a live audience game.

Claude Codereveal.js
The boardroom of agentsStartup in a Box — the deckOn stageBuilding live

Startup in a Box

Open-source dual-agent system — a boardroom (Google ADK) plans a startup while a factory (Claude Agent SDK) builds it. The demo is a deployed UI preview; clone the repo to run the full multi-agent pipeline.

Claude Agent SDKGoogle ADK
See the full talks index at talks.martinbrian.com

The Loop · daily

Daily AI for working engineers

A contrarian read on AI/LLM developer news, generated by an open-source pipeline and reviewed by seven persona agents before it ships.

Issue 1 ships next

The pipeline runs nightly. First real issue is around the corner. How it's made →

All issues →

Let’s connect

Open to conversations about AI engineering, agentic systems, and interesting problems worth solving.

hello@martinbrian.com