Open to opportunities

Pablo Matheus

@itspablomontes

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Full-Stack Developer skilled in modern web technologies.

Brazil

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What I'm looking for

I'm looking for a collaborative environment that fosters growth and innovation.

Software Engineer with experience building production systems for finance, AI, and data-intensive applications. Currently at BTG Pactual, where I modernize core middle-office platforms using NestJS, FastAPI, DDD, and Clean Architecture, while maintaining large-scale financial pipelines. I also design and deploy agentic AI systems — including Text-to-SQL and analytical assistants — that enable non-technical teams to interact with data autonomously.

Across my work, I combine strong backend engineering (NestJS, FastAPI, PostgreSQL, AWS) with AI tooling (RAG, LangChain, LLMs, vector databases) and modern frontend development (React/Next.js). I favor modular design, clear domain boundaries, and pragmatic, production-first solutions.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

BTG Pactual

Jun 2024 - Present (1 year 8 months)

I modernizing financial systems while shipping production agentic AI. I built Text-to-SQL tools with RAG and LangGraph, introduced LLM observability and offline eval pipelines with gated releases, created feedback loops for fine-tuning, and owned full-stack TypeScript services (NestJS + React) alongside cloud data pipelines in a regulated, mission-critical environment.

React Golang AI AWS Docker Kubernetes Python Airflow AI Agents fastAPI LangGraph Lang Chain LLM LLMOps

Full-Stack Developer

Rime Technology

Mar 2023 - May 2024 (1 year 2 months)

Developed full-stack applications using React, Next.js, Node.js, Prisma, and PostgreSQL. Applied Object-Oriented Programming (OOP) concepts and followed SOLID principles to write clean, modular, and testable code.

Python fastAPI NestJS React Next.js Node Prisma PostgreSQL OOP SOLID Principles Git Docker Insomnia

Education

Degrees, certifications, and relevant coursework

Estácio

Graduation, Computer Science

Studied the principles and practices of systems analysis and development. Focused on software engineering methodologies and project management, preparing for a career in IT.