PJ

Open to opportunities

Paulo Junior

@paulojunior2

Senior software engineer specializing in scalable backend systems, APIs, and cloud-based architectures.

What I'm looking for

I seek roles where I can lead backend architecture and modernization efforts, work across full-stack/DevOps boundaries, mentor teams, and deliver measurable performance and reliability improvements.

I am a Senior Software Engineer with 7+ years building scalable backend systems using PHP (Laravel), Node.js, and AWS. I focus on designing secure RESTful APIs, modernizing legacy systems, and improving performance and maintainability.

At Symplicity I led modernization efforts, improved code quality, and contributed to system stability through testing and monitoring, reducing technical debt and enhancing platform reliability. I mentor junior engineers and participate in technical hiring.

While contracting at Amirom Express I architected a microservices-based international logistics SaaS, improved dashboard performance, implemented enterprise security standards, and delivered measurable business impact like reduced manual entry and support for international shipments.

I have full-stack experience (React/Next.js, TypeScript, Vue.js) and strong DevOps practices (Docker, AWS, CI/CD). I work well in Agile teams and prioritize clear documentation, maintainable architecture, and measurable improvements.

Experience

Work history, roles, and key accomplishments

SY

Current

Software Engineer

Current

Symplicity

Dec 2022 - Present (3 years 6 months)

Designed and maintained internal web applications and RESTful APIs using PHP 8 and Laravel-style architecture, modernizing legacy systems to reduce technical debt and improve reliability and performance.

PHP 8+Laravel Style Architecture MySQL RESTful APIs PHPUnit API Design Documentation

AE

Senior Software Engineer

Amirom Express

Sep 2023 - Feb 2026 (2 years 5 months)

Architected and delivered an international logistics SaaS with microservices and Next.js/Node.js stack, improving dashboard load time from 3.2s to 0.8s and supporting 1,000+ monthly shipments.

Microservices Next.js React TypeScript Node MySQL Sequelize JWT Dashboards

AF

Full Stack Engineer

Afilio

Jul 2020 - Aug 2022 (2 years 1 month)

Modernized core ERP by rebuilding frontend with Vue.js/Quasar and integrating PHP Laravel APIs, improving usability and scalability while managing multi-environment AWS deployments.

Vue.Js PHP Laravel MySQL MongoDB Docker AWS CI CD

Education

Degrees, certifications, and relevant coursework

ES

Estácio de Sá

Bachelor of Science, Computer Science

2019 - 2023

Completed a Bachelor of Science in Computer Science with coursework and projects focused on backend development, databases, and web application architecture.

Tech stack

Software and tools used professionally

OpenAPI

GitLab

GitLab CI

MySQL

MongoDB

Node.js

Laravel

Next.js

Tailwind CSS

Vue.js

JavaScript

PHP

Sequelize

Linux

Zustand

PHPUnit

dockerized

Dynamic

Increase

Remote

Winston

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