Pedro Sawczuk.
Full Stack Developer
Specializing in React, Node.js, and AWS. Building scalable solutions and high-impact digital experiences from front to back-end.
about
Hi, I'm Pedro Sawczuk — full stack developer based in Ariquemes, RO, Brazil.
I have experience in the full software lifecycle within the financial and cooperative sector. I build scalable RESTful APIs and serverless architectures using Fastify, Express and AWS.
Passionate about code quality, secure architecture and automated testing. I work well in agile environments with CI/CD.
location
Ariquemes, RO, Brazil
current focus
Full Stack · APIs · Cloud
stack
Frontend to backend. Technologies I rely on to ship product.
projects
Relevant systems and deliveries — from work to personal.
rangoo-delivery
wipFull stack delivery platform structured as a monorepo (Turborepo).
High-performance backend with Fastify and end-to-end type safety using Drizzle ORM. Frontend currently in development with React and Tailwind.
pedrosawczuk.dev
activeThis site. Personal portfolio built with Next.js + Tailwind CSS v4.
Terminal-inspired design. Statically rendered with bilingual SEO, scroll-spy sidebar and reveal animations with prefers-reduced-motion support.
career
IFRO — Systems Analysis and Development
Feb 2022 – Aug 2026 (expected)
Full-stack systems development for the financial cooperative sector. Involved in technical refinements and aligning solutions with business strategy.
- ›RESTful APIs in Node.js + TypeScript with RCA and high availability in production
- ›Automated critical BPMN process flows with JavaScript, reducing manual operations
- ›Containerized environments with Docker and performance monitoring of sensitive financial data
Data engineering internship focused on AWS services. Serverless pipelines and large-scale data processing.
- ›ETL scripts with Python (PySpark) and MySQL in serverless AWS pipelines
- ›AWS Lambda, Glue and S3 for scalable data architectures
- ›CI/CD with GitHub Actions in a Scrum environment with code reviews and daily stand-ups
contact
Have a job opening, a project, or just want to talk backend and AWS? Reach out.