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I'm Caio Cesar Guimarães de Queiroz, a Senior Software Engineer focused on Platform Engineering & Developer Experience. I specialize in building end-to-end, scalable backend and full-stack systems using JavaScript/TypeScript, Node.js, React, and AWS. I enjoy designing cloud-native, event-driven architectures and leading AI-driven automation to improve performance and reliability. Over the past decade, I’ve guided technical direction, mentored engineers, and built internal tooling like developer portals and observability dashboards. I thrive on clean architecture, software quality, and improving Developer Experience through DevOps practices and data-driven insights.…I'm Caio Cesar Guimarães de Queiroz, a Senior Software Engineer focused on Platform Engineering & Developer Experience. I specialize in building end-to-end, scalable backend and full-stack systems using JavaScript/TypeScript, Node.js, React, and AWS. I enjoy designing cloud-native, event-driven architectures and leading AI-driven automation to improve performance and reliability. Over the past decade, I’ve guided technical direction, mentored engineers, and built internal tooling like developer portals and observability dashboards. I thrive on clean architecture, software quality, and improving Developer Experience through DevOps practices and data-driven insights.

Caio Cesar Guimarães de Queiroz

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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I'm Caio Cesar Guimarães de Queiroz, a Senior Software Engineer focused on Platform Engineering & Developer Experience. I specialize in building end-to-end, scalable backend and full-stack systems using JavaScript/TypeScript, Node.js, React, and AWS. I enjoy designing cloud-native, event-driven architectures and leading AI-driven automation to improve performance and reliability. Over the past decade, I’ve guided technical direction, mentored engineers, and built internal tooling like developer portals and observability dashboards. I thrive on clean architecture, software quality, and improving Developer Experience through DevOps practices and data-driven insights.…I'm Caio Cesar Guimarães de Queiroz, a Senior Software Engineer focused on Platform Engineering & Developer Experience. I specialize in building end-to-end, scalable backend and full-stack systems using JavaScript/TypeScript, Node.js, React, and AWS. I enjoy designing cloud-native, event-driven architectures and leading AI-driven automation to improve performance and reliability. Over the past decade, I’ve guided technical direction, mentored engineers, and built internal tooling like developer portals and observability dashboards. I thrive on clean architecture, software quality, and improving Developer Experience through DevOps practices and data-driven insights.

Available to hire

I’m Caio Cesar Guimarães de Queiroz, a Senior Software Engineer focused on Platform Engineering & Developer Experience. I specialize in building end-to-end, scalable backend and full-stack systems using JavaScript/TypeScript, Node.js, React, and AWS. I enjoy designing cloud-native, event-driven architectures and leading AI-driven automation to improve performance and reliability.

Over the past decade, I’ve guided technical direction, mentored engineers, and built internal tooling like developer portals and observability dashboards. I thrive on clean architecture, software quality, and improving Developer Experience through DevOps practices and data-driven insights.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Portuguese

Fluent

Work Experience

Senior Software Engineer (Platform Engineering) at QuintoAndar

August 1, 2021 - November 5, 2025

Led end-to-end platform solutions using TypeScript, Golang, Python, and Backstage.io; designed a documentation indexing pipeline connecting GitHub Markdown, Google Docs, and an internal Q&A database with an AI agent using RAG, achieving +30% documentation satisfaction over 2 years. Built an Internal Developer Portal used by 500+ engineers, integrating GitHub, CI/CD, Observability, and Documentation. Implemented an engineering metrics platform with DevLake, created custom metrics, and visualized performance with Grafana dashboards. Automated quarterly Developer Experience surveys and contributed to open-source Backstage plugins and Apache DevLake.

Senior Software Engineer (Remote Part-Time Freelancer) at BossaBox

June 1, 2025 - June 1, 2025

Delivered scalable, distributed backend microservices using TypeScript, Node.js, NestJS; built frontend apps with React/Next.js; implemented event-driven architectures with GCP Pub/Sub. Worked on fintech credit operations (Grafeno) and digital learning platforms (Score/Qultur e.Rocks), applying SOLID, OOP, and design patterns to deliver maintainable code.

Analyst to Specialist Software Engineer at Accenture

July 1, 2021 - July 1, 2021

Led KPI management platform development; defined software architecture, backend patterns (Backend for Frontend, SOLID), data modeling, and client communications. Contributed to frontend with React. Developed REST APIs using Node.js and ExpressJS; integrated with BigData ingestion and client API Gateways for authentication/authorization.

Software Engineer at Norsul Engenharia e Consultoria

November 1, 2018 - November 1, 2018

Developed full-stack and IoT solutions for 6 energy R&D projects using C (ARM MCUs), PHP (CodeIgniter), and Java (Android). Led technical delivery of an Energy Efficiency Social Project, delivering mobile + API solution for community energy support.

Junior Software Engineer at Softwell Solutions

May 1, 2016 - May 1, 2016

Developed enterprise systems on Maker low-code platform, delivering custom features for multiple clients. Created internal tooling to accelerate delivery of enterprise apps.

Senior Software Engineer (Remote, Part-Time Freelancer) at BossaBox

September 1, 2020 - July 31, 2023

Full-stack developer delivering scalable distributed systems across fintech, edtech, and energy domains. Built backend microservices using TypeScript, Node.js, NestJS, and event-driven architectures with GCP Pub/Sub, and frontend with React and Next.js. Projects included a fintech billing and pricing platform (Grafone) and a digital learning platform (Skore/Qultur e.Rocks) with event-driven notifications, gamification, and content management using GraphQL and REST. Applied SOLID principles and design patterns to maintainable codebases.

Analyst to Specialist Software Engineer at Accenture

June 1, 2019 - July 31, 2021

Node.js backend developer responsible for KPI management platform: architecture definitions, data modeling, backend design (Node.js/Express), REST APIs, data mass ingestion, and integration with clients' API Gateways for authentication/authorization; contributed to frontend development with React.

Software Engineer at Norsul Engenharia e Consultoria

June 1, 2016 - November 30, 2018

Developed full-stack and IoT solutions for six R&D energy projects using C (ARM microcontrollers), PHP (CodeIgniter), and Java; led technical delivery of an Energy Efficiency Social Project, delivering mobile + API solution for community energy support.

Junior Software Engineer at Softwell Solutions

April 1, 2013 - May 31, 2016

Developed enterprise systems on Maker low-code platform, delivering custom features for multiple clients and built internal tooling to accelerate delivery.