I am Arthur Cabral,
a Software Engineer
based in Brazil.

About
Experienced Full Stack Web Developer with over 5 years in creating scalable web applications using React and Node.js. Passionate about technology, I successfully implemented a microservices architecture that boosted system efficiency by 30%.
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- Full-Stack Web Development
- Software Architecture
- API Design & Microservices
- Database Engineering
- AI Development
- Security
Experience
Amigo Tech
Senior Software Engineer
November 2021 - Present
At Amigo Tech, I began as a Junior Software Engineer in November 2021, was promoted
to Software Engineer in June 2022, and to Senior Software Engineer + Team Leader in July 2024.
• Amigo Chat: I collaborated on building the real-time messaging system using
Socket.io, Node.js, and AngularJS—contributing to socket architecture, Redis-backed
message persistence, and Casl-based authorization modules. This solution cut
internal team response times by 30%.
• Core Refactors: As a mid-level engineer, I led refactors of the scheduling,
medical-record, and financial microservices—rewriting critical endpoints in
TypeScript and optimizing PostgreSQL and Redis queries. These efforts boosted
latency performance by up to 40% and improved code maintainability.
• Amigo Pay: From July 2024 onward, I joined a cross-functional squad to plan
and implement Amigo Pay. I defined account onboarding/management workflows,
integrated card terminals and PIX via webhooks, and reinforced security (OTP-based
MFA, enhanced email validation, dynamic rate-limiting, RBAC). The module processed
R$ 7.5 million in TPV in its first year and reduced vulnerabilities in the core services.
• Platform Development: Built a unified marketing-automation platform using
React, Next.js and TypeScript on the front end, with Node.js/Express
and FastAPI (Python) back end, PostgreSQL and Redis for data storage,
and Heroku for deployment.
• API Integrations: Implemented OAuth2 integrations with Meta,
Google Ads, and Pinterest APIs to automate campaign, ad-set, creative
and ad creation. Normalized performance metrics (CTR, CPC, conversions) into
relational schemas and cached them in Redis.
• AI Optimization: Developed a GPT-4 recommendation engine that dynamically
suggests creative improvements and audience optimizations, resulting in a 20%
increase in ROAS and an 80% reduction in manual setup time during pilot tests,
with five accounts onboarded in the first month.
Rekon
Founder
January 2024 - Present
At Rekon, I developed a face-recognition and image-processing platform using Node.js/Express and React, with PostgreSQL for persistent storage, Redis for caching, and Docker for containerization. I engineered an end-to-end image upload pipeline (resizing, normalization), integrated Face++ API and AWS Rekognition for accurate face detection and identity verification, and implemented a "selfie search" feature that returns matching results in under 5 seconds.
At Retailsparks.AI, I designed and implemented a high-throughput data pipeline using Python (FastAPI) and AWS Lambda to ingest over 10,000 Reddit posts per day via PRAW, then applied Hugging Face's BERT model for real-time sentiment analysis. I persisted the processed data in PostgreSQL, built a React dashboard for interactive trend and buzz visualization, and orchestrated the entire ETL workflow to run reliably at scale. The MVP was validated by three retail clients—who leveraged the insights to boost community engagement by 25%—and the system maintained 100% data integrity with zero downtime during peak loads.
Education
Federal University of Pernambuco (UFRPE)
Bachelor in Systems Information
January 2020 - December 2024
At UFRPE, I studied Computer Science and Systems Information, with a focus on Software Engineering and Enterpreneurship. I also completed a Master's in Computer Science at the same institution, where I specialized in Software Engineering and Web Development.
Recent Works
Here are some of my favorite projects. Feel free to check them out.

Rekon
Rekon is a face-recognition and image-processing platform using Node.js/Express and React, with PostgreSQL for persistent storage, Redis for caching, and Docker for containerization.
- Recognition and Image Processing

BrightLift AI
BrightLift AI is an AI-powered marketing platform that helps businesses grow their revenue through AI-powered marketing.
- AI-powered marketing

Amigo Tech
Amigo Tech is a platform for clinics and healthcare professionals to manage all their ecosystems.
- Health Tech

Retail Sparks
Retail Sparks is a platform for analyzing stock market data and trends.
- Stock Market Analysis
Get In Touch
I'm always looking for new connections. Whether you have a question or just want to chat about development, startups, or anything else — shoot me a message.