Full Stack Engineer with 10+ years building and shipping production React and Node.js applications, backed by deep AWS Cloud infrastructure and CI/CD experience (Kubernetes, ArgoCD, Woodpecker CI). Comfortable with architecture decisions and driving delivery independently, from event-driven backends handling ~60K events/day to platform enablement for 500+ engineers.

Caio Queiróz

Full Stack Engineer with 10+ years building and shipping production React and Node.js applications, backed by deep AWS Cloud infrastructure and CI/CD experience (Kubernetes, ArgoCD, Woodpecker CI). Comfortable with architecture decisions and driving delivery independently, from event-driven backends handling ~60K events/day to platform enablement for 500+ engineers.

Available to hire

Full Stack Engineer with 10+ years building and shipping production React and Node.js applications, backed by deep AWS Cloud infrastructure and CI/CD experience (Kubernetes, ArgoCD, Woodpecker CI). Comfortable with architecture decisions and driving delivery independently, from event-driven backends handling ~60K events/day to platform enablement for 500+ engineers.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Portuguese
Fluent

Work Experience

Senior Software Engineer at Bossa Box (contracted to Printi)
January 1, 2026 - June 1, 2026
Built a public partner-integration API for a print e-commerce platform using NestJS, TypeScript, and hexagonal architecture, covering the full order lifecycle: product catalog with quoting, freight calculation, and webhooks across 8 bounded contexts. Decoupled a legacy PHP/MySQL platform from ERP and CRM integrations. Deployed and ran services on Kubernetes with AWS SNS/SQS and a MongoDB transactional outbox, handling ~60K events/day with idempotent consumers, exponential backoff retries, and dead-letter queues. Designed OAuth 2.0 authentication (client credentials, signed JWTs, Redis token caching and revocation) with per-partner rate limiting and authored most of the project’s architecture decision records.
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.
Software Engineer at Bossa Box
March 1, 2024 - June 1, 2025
Built pricing and billing backend microservices from scratch using NestJS, Node.js, PostgreSQL, and hexagonal architecture. Developed internal operations UI in React and Next.js as one of two engineers on the squad, covering complex custom forms for statements and pricing rules.
Software Engineer at Skore / Culture.Rocks (education streaming)
February 1, 2022 - June 1, 2023
Built an notifications system from scratch using NestJS, Node.js, and GCP Pub/Sub. Authored the technical RFC and shipped the full end-to-end flow from event dispatch through email delivery and an operator management UI.
Senior Software Engineer (Platform Engineering) at Quinto Andar
August 1, 2021 - February 1, 2026
Led development of a Backstage-based internal Developer Portal (Node.js, TypeScript, React) from first version to 500+ daily active engineers, unifying service ownership, CI/CD, deployment status, and observability across 1,000+ GitHub repositories. Built and shipped backend and frontend plugins integrating CI/CD tooling (ArgoCD, Woodpecker CI), monitoring (Prometheus), and an internal self-service AWS resource catalog (SNS, SQS, DynamoDB, RDS), enabling engineers to provision cloud infrastructure within minutes without waiting on DevOps. Redesigned catalog synchronization from cron polling to an event-driven worker architecture on AWS SNS/SQS and DynamoDB, reducing message consumption latency from ~20 minutes to ~220 milliseconds. Owned end-to-end features from RFC through design, development, and delivery; mentored two engineers through regular 1:1s. Built an internal RAG documentation assistant indexing 1,500+ documents, contributing to a ~30% relative increase in documentation sati
Analyst to Specialist Software Engineer at Accenture
January 1, 2019 - July 1, 2021
Built a KPI management platform with a backend-for-frontend architecture (Node.js, Express, React), integrating REST APIs with an enterprise API gateway.
Software Engineer at Norsul Engenharia & Consultoria
January 1, 2016 - November 1, 2018
Delivered IoT and full-stack solutions across 6 energy R&D projects, building embedded systems in C (ARM) that interacted with backend services (PHP) and Android apps for energy-efficiency monitoring.
Junior Software Engineer at Softwell Soluções
April 1, 2013 - May 1, 2016
Built enterprise web applications on a proprietary low-code platform and internal automation tools.

Education

Bachelor of Computer Engineering at UFBA
January 1, 2010 - January 1, 2017
Computer and Electronic Systems Engineering at Glasgow Caledonian University
January 1, 2014 - January 1, 2015
GoStack Bootcamp (JavaScript Stack: NodeJS, TypeScript, ReactJS e React Native) at Rocketseat
January 1, 2020 - November 5, 2025
Full Cycle Development - Architecture and Developing Modern Applications based on Microservices at Code Education
January 1, 2021 - November 5, 2025
Postgraduate Degree in Applied AI Engineering at UNIPDS
January 1, 2026 - February 1, 2027

Qualifications

Backstage Associate
November 1, 2022 - November 5, 2025
AWS Certified Cloud Practitioner
April 23, 2021 - November 5, 2025

Industry Experience

Software & Internet, Education, Energy & Utilities, Financial Services, Professional Services, Computers & Electronics