DEV.INIT() — FEIRA DE SANTANA, BR · AVAILABLE

Systems.
Finance.
& Strategy

Full
Stack Dev
10+
Tools
3×1
Web · Python · Negócios
Rafael Custódio — Dev de Soluções Inteligentes

/ Service Portfolio

Solutions / Code & Strategy

Business-minded developer. I build everything from landing pages to backend and automation—delivering systems that solve real problems, not just pretty code.

01 — WEB DEV
FRONT.END

Frontend Foundation

LHigh-converting landing pages and institutional websites. Modern, responsive, and SEO-optimized front-end: fast in search engines, accurate on devices.

HTML/CSS/JS React Technical SEO Performance
02 — BACKEND
SYS.CUSTOM

Customized Systems

Python backends for complex business logic: REST APIs, cross-platform integrations, financial data manipulation, and process automation.

Python FastAPI REST APIs SQL
03 — CONSULTANCY
BIZ.TECH

Technical Consulting

Where Management meets Technology. Diagnosis of the business problem → solution architecture → delivery. No jargon. With measurable results.

Business Analytic Architecture BI Automation

/ How I work

Method / From pain to results

A structure inspired by delivery-oriented software houses: clear diagnosis, simple architecture, and execution with checkpoints.

01 · Diagnosis

Understanding the problem

I map operational bottlenecks, the funnel, and data to prioritize what generates impact first.

02 · Architecture

Design a solution

I define the stack, integrations, and scope with a focus on speed, auditability, and maintainability.

03 · Deliverable

Implement quickly

Incremental execution with short validations to reduce rework and gain predictability..

04 · Evolition

Scaling with data

After the go-live, I monitor metrics and propose continuous business-oriented improvements.

/ Portfólio

Cases / Real Deliveries

Every project begins with a clear business problem. The solution can be a page, a script, or a system—the key is the result.

-35%
Operational time in critical routines
+22%
Efficiency of lead capture on optimized pages
3x
Faster decision-making with BI + automation
CASE 01 — LANDING PAGE
WEB.CONVERSION

High Conversion Website

Responsive landing page focused on performance and technical SEO. Semantic structure, optimized Core Web Vitals, and CRM integration for lead capture.

HTML/CSS/JS SEO On-Page Core Web Vitals
CASE 02 — PYTHON AUTOMATION
PROC.AUTOMATION

Data Pipeline

A Python script that consolidates reports from multiple sources, validates inconsistencies, and generates automatic alerts — eliminating hours of manual work per week.

Python Pandas API Integration
CASE 03 — SISTEM + BI
FULL.SOLUTION

Complete Solution

From the backend (Python + SQL) to the executive dashboard (Power BI), with n8n automation to close the loop. Reliable data → fast decision.

Python Power BI n8n SQL
CASE 04 — PRICE ELASTICITY
ECON.SIMULATOR

EPD Simulator

A tool for evaluating price, demand, margin, and profit scenarios in real time based on the price elasticity of demand.

Economy Pricing Forecast Profit Analysis

/ Stack

Tools / & Knowledge

Technology as a framework, not an end in itself. Each tool chosen to solve a real problem — fast, auditable, and scalable.

DEV & Web

HTML · CSS · JS
90%
React (MODERN Front-end)
82%
Python (Backend / Scripts)
85%
Technical SEO & Performance
80%
SQL (Postgres/Supabase)
80%

Data, BI & Business

Python (Pandas / APIs)
85%
Power BI · DAX
86%
Excel (advanced modeling)
86%
Business Analysis / FP&A
84%
REST API Integration
82%

/ Academic Base

Training / Education

The technical differentiator lies at the intersection of management and code — understanding the business to build the right solution.

Main Degree
Graduating · 2026

BBA (Bachelor of Business Administration)

UNIFACS — SANTA MÔNICA

FINANCE STRATEGY DATA OPS
Especializações & Extensões
01
Python for Finance & Data Science
Certification focused on predictive analytics, process automation, and handling large-scale databases.
02
Full Stack Web Dev & SEO Performance
Specialization in systems architecture and technical optimization. Focus on transforming interfaces into tools for fast and scalable digital conversion.
03
Business Intelligence & Advanced FP&A
Scenario modeling and structuring of strategic dashboards. Integration of BI with automation processes for direct support of executive decision-making.

/ Next Step

Let's talk?

Available for ambitious projects, technical consulting, and partnerships. I respond within 24 hours on weekdays — or directly on WhatsApp for a quicker conversation.

WhatsApp