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thettteus/README.md

Mateus Pereira da Silva

Senior Product Engineer

Backend · Data · AI · Product Engineering

Building scalable software products across backend, data platforms, forecasting systems, and enterprise SaaS.


LinkedIn Portfolio Email


About

Product Engineer, Solution Architect, and Software Engineer with 5+ years of experience building scalable, data-intensive, and business-critical software products.

I work across the full path from business problem → product definition → technical architecture → production software.

My strongest experience is in complex SaaS, supply chain, retail, forecasting, data platforms, backend systems, and high-volume operational environments.


At a Glance

  • 5+ years building and shipping production software
  • Senior Product Engineer at VE3
  • Experience across backend, data, AI, and product engineering
  • Built systems for 30+ enterprise clients
  • Strongest in multi-tenant SaaS, forecasting, data-intensive products, and operational platforms

Current Role

Senior Product Engineer @ VE3

B2B Supply Chain & Data Intelligence Platform · Aug 2022 → Present

Building and evolving mission-critical systems for supply chain, planning, forecasting, and retail operations across 30+ enterprise clients.

Selected Impact

  • Shaped and delivered product capabilities with stakeholders, connecting business needs, technical feasibility, and execution
  • Built DRP/MRP analytics with Python and Polars, supporting enterprise planning capabilities tied to a multi-billion-dollar retail opportunity
  • Designed and shipped backend services and integrations using Go, Python, PHP, TypeScript, and React
  • Reduced infrastructure footprint by 20%+ per client while improving configuration flexibility and pricing adaptability
  • Improved core dashboard performance by 75% and reduced SQL query load by up to 50×
  • Worked on production forecasting and data processing systems handling millions of records across multiple business scenarios

Core Strengths

  • Product engineering and technical definition
  • Solution architecture and system design
  • Backend services and API development
  • Data-intensive systems and analytics
  • Forecasting, planning, and supply chain platforms
  • Multi-tenant SaaS architecture
  • Performance optimization and SQL tuning
  • Infrastructure efficiency and observability
  • End-to-end feature ownership

Tech Stack

Languages & Frameworks


Cloud, Infra & Observability


Databases & Tools


Languages

  • 🇧🇷 Portuguese — Native
  • 🇺🇸 English — Professional Fluency
  • 🇪🇸 Spanish — Beginner

Contact

Pinned Loading

  1. workflow-execution-engine workflow-execution-engine Public

    Open-source workflow runtime for AI and engineering processes. Execute versioned workflows with deterministic control flow, schema-enforced outputs, replay, observability, and cost controls.

    Go 1

  2. go-kafka-sdk go-kafka-sdk Public

    A SDK that makes life easier when using GO + Kafka. Plug and play!

    Go 1

  3. bitcoin-price-forecasting bitcoin-price-forecasting Public

    Forecast Bitcoin prices using a mix of statistical modeling and modern ML — including XGBoost, Linear Regression and SARIMAX — all wrapped in a Streamlit dashboard for rapid experimentation and rea…

    Python 1

  4. bandit-brain bandit-brain Public

    Bandit Brain uses Multi-Armed Bandits to optimize experiments and recommend the best variants in real time.

    Python 2