About me

I'm a software engineer professional with a strong focus on development, security, and cloud technologies. Proficient in AWS, HashiCorp Vault, Python, Bash, Go, Terraform and Docker with hands-on expertise in microservices architectures and Infrastructure as Code. I thrive in dynamic environments where innovation and efficiency intersect, always aiming to deliver solutions that align with best practices in security and cloud engineering.

Experience

Software Engineer

AsapTech
Barueri, São Paulo, Brazil · Remote Barueri, São Paulo, Brasil · Remoto Jun 2025 - Present Jun 2025 - Presente

At AsapTech, a fintech startup focused on building scalable payment solutions, I joined the core engineering team to help design and implement the foundations of a new financial platform.

  • Working on the architecture and development of backend services using Go, RabbitMQ, and Kubernetes, contributing to the creation of a high-performance, event-driven system capable of handling large-scale financial transactions.
  • As one of the early engineers on the team, I collaborate closely with product and business stakeholders to align technical decisions with strategic goals, laying the groundwork for future scalability, compliance, and innovation in the acquirer ecosystem.

Software Engineer

Itaú Unibanco
São Paulo, Brazil São Paulo, Brasil Sep 2023 - Jun 2025 Set 2023 - Jun 2025

Software engineer activities focused on daily automation and security implementation. Experienced in developing around using Python, Go and Bash for infrastructure and process automation. Skilled in cloud services(AWS), microservices architectures and Terraform delivering secure and efficient solutions.

  • Implemented new secret engines and authentication methods in HashiCorp Vault, enhancing both user flexibility and institutional security.
  • Automated processes within the squad that involve HashiCorp Vault support, leveraging AWS Lambda and AWS API Gateway, while following best programming practices using Python and Terraform.
  • Developed and architected data pipelines using AWS Glue, PySpark, EventBridge, and Step Functions, applying the data mesh concept to streamline ETL processes and democratize data access. This infrastructure supported both HashiCorp Vault and CyberArk environments. Additionally, designed and implemented AWS QuickSight dashboards, providing comprehensive KPI insights and monitoring capabilities, using Terraform as IaC tool.
  • Developed an automated onboarding process for all RDS instances within the organization, implementing role-based dynamic privilege segregation. This microservices architecture utilized AWS Lambda to retrieve RDS data from the catalog and registered instances via SQS queues, using Terraform as IaC tool.
  • Currently developing Terraform modules for developers to integrate with HashiCorp Vault, following predefined guidelines.
  • Led proof of concept (PoC) activities related to HashiCorp Vault.
  • Conducted troubleshooting and system maintenance around HashiCorp Vault.

Security Engineer Intern

Itaú Unibanco
São Paulo, Brazil São Paulo, Brasil Jun 2022 - Sep 2023 Jun 2022 - Set 2023

Software engineer intern focused on developing and implementing security solutions using modern technologies and best practices.

  • Automated policy creation in HashiCorp Vault using Python and Terraform, improving efficiency and reducing manual errors.
  • Contributed to the development of an API using FastAPI for managing HashiCorp Vault policies and authentication methods.
  • Participated in the implementation of security controls and monitoring solutions using AWS services.

Technical Skills

Cloud & Infrastructure

Security

Programming

Projects

Terraform

Terraform Associate Exam Study Guide

A comprehensive study guide for the HashiCorp Certified: Terraform Associate exam. This repository contains detailed notes, key concepts, and best practices to help you prepare for the certification.

View on GitHub

Music Organizer

A native desktop application for macOS, Windows, and Linux that batch-downloads audio from YouTube, Spotify, and SoundCloud as .m4a files. Built with Go and Wails v2.

View on GitHub

Certificates

AWS Certified Cloud Practitioner

Fundamental understanding of AWS Cloud concepts, services, and security.

View Certificate
Terraform

Terraform Associate

Proficiency in using Terraform for infrastructure as code and cloud resource management.

View Certificate

Contact

Feel free to reach out to me for any questions or opportunities.

ricopapsch@hotmail.com