AI Professional Software Studio · São Paulo → Global

Have a product idea?I ship it in weeks.

Senior engineer with experience at major companies. I use AI to design, develop, and deliver complete software products, from idea to production, at team speed, one-person cost.

Tell Me Your Idea30 min · No commitment · Real value from the first conversation
7+Years of Experience
6xFaster vs. Traditional Team
2Spots per Month

Trusted by

What I Build

You have the idea. I build the product.

MVP in Weeks

I turn your idea into a working product, with solid architecture, clean code, and production deploy. No months of planning. No team to assemble.

Zero to Product

Complete Applications

Web apps, APIs, dashboards, SaaS platforms. I design, develop, test, and deliver complete systems ready to scale, with the quality of someone who has done this at major companies.

Full Development

AI Built Into the Product

I build products with AI at the core: smart automations, data processing, conversational interfaces. Not as a decorative feature, as a real differentiator.

AI-Native Products

Why a solo engineer?

Assembling a team to build a product takes months before writing the first line of code. Recruiting, onboarding, alignment, sprints. AI changed that reality. A senior engineer with AI designs, develops, and delivers what used to require an entire squad.

I am that shortcut. Real experience building systems + AI as force multiplier = your product live, without the overhead of a team.

JM

João Mauricio

João Mauricio · AI Professional Software Studio

7+Years of experience
6xFaster with AI
2/moProjects accepted

About

I built real products inside large companies.

I built platforms from scratch in healthcare, finance, and e-commerce. I saw how products are born inside major companies and how much time is wasted before writing the first line of code.

When generative AI exploded, I realized something few admitted: it doesn't replace bad programmers. It multiplies good ones. A senior engineer who knows what to build and uses AI to build faster delivers what an entire squad used to deliver.

Today I build complete products for those who have the idea but not the team. From concept to deploy. One person, AI as a tool, and the experience of someone who has done this at the biggest companies in the market.

Picture This

You have an idea. What you need is someone to build it.

The Problem

You have the concept, the market, the opportunity. But assembling a technical team takes months. Hiring, aligning, managing. And by the time the product ships, the window has closed. That model made sense before AI. It doesn't anymore.

From concept to product in weeks

No months of recruiting. No onboarding. You describe the idea, I deliver the working product, with architecture, code, tests, and deploy.

One person, one project, full focus

No splitting attention across 5 clients. Each project gets complete dedication. You talk directly to the person building it, no middlemen.

Professional quality

Your product is born with solid architecture and patterns tested in real production. Code that scales, not code that survives.

What is blocking your project today

Months to assemble a technical team before writing code
Agencies that deliver websites, not software products
Freelancers who disappear mid-project
Full squad cost for an MVP
The idea ages while planning never ends

Project Types

What I build.

The Challenge

You have a SaaS idea but no technical team. You need a working product to validate in the market, acquire customers, or raise investment.

What I Deliver

Complete application with authentication, dashboard, API, database, and automated deploy. Ready for first users.

Result

Working product in production in weeks. Clean, documented code ready to scale when the business grows.

Web AppAPICloudCI/CD

Projects

What is live.

Hard Heads
LIVE

Hard Heads

hard-heads.com

A physics-based destruction game where you slingshot presidents into buildings. Chain combos for massive scores, customize your character in the wardrobe, and demolish procedurally generated city structures.

Playable directly in the browser via WebAssembly — no download required.

GodotGDScriptWebAssemblyNext.jsKubernetes
Play Now

Contrast

Traditional Path
AI Professional Software Studio
Months to assemble the team before starting
Immediate start. Product in weeks.
Agency delivers website, not software product
Complete application, ready to scale.
Freelancer disappears mid-project
One dedicated person from start to deploy.
Full squad cost to validate an idea
Proportional investment. Pay per delivery.
Code that works today and breaks tomorrow
Professional architecture from day 1.
You manage sprints instead of selling
You focus on the business. I build the product.

What You Get

A complete product. Not a partial deliverable.

Product
Working application in productionInterface, backend, databaseReady for first users
Architecture
Professional patterns from day 1Clean code another dev can understandReady to scale when you grow
Native AI
Smart automations integratedAI-powered data processingReal competitive advantage
Infrastructure
Automated deploy (CI/CD)Cloud configured and runningMonitoring from the start
Documentation
Documented and organized codeTechnical guide for your future teamZero dependency on me after
Speed
AI accelerates every development stageWeeks instead of monthsTest the idea before investing heavily

How It Works

From idea to product. 3 steps.

0130 min

TALK

  • You tell me the idea and context
  • I evaluate technical feasibility and scope
  • We leave with a clear plan of what will be built
023-5 days

DESIGN

  • Architecture, stack, and timeline defined
  • Fixed scope with deadline and clear investment
  • You approve before I write a single line
032-8 weeks

BUILD

  • Complete product in production
  • Documentation for your future team
  • Code that scales, ready to grow

Commitment

Your product. My responsibility.

Every project has a fixed scope with clear deadlines and deliverables. If within the first week you don't see value in what's being built, the project stops at no cost. No long contracts, no surprises, no catch.

Confidence comes from competence, not contracts.

Next Step

Have an idea? Let's bring it to life.

Currently accepting 2 new projects per month to ensure every client gets complete dedication, not surface-level delivery.

1 spot available for April 2026
Tell Me Your IdeaNo commitment. 30 minutes. Real value from the first conversation.