Portfolio

Gianclaudio Oliveira

Full-Stack PHP Developer · UI/UX Solutions

Senior full-stack developer with more than 10 years of experience building and maintaining scalable web applications, including ERP and CRM systems. Strong expertise in PHP ecosystems, user interfaces, modern JavaScript frameworks and cloud/DevOps environments. Comfortable working in Agile/Scrum environments, delivering under tight deadlines and leading technical teams.

Note on source code: most of my jobs and projects were built for private clients and employers, so I can’t share access to their source code. The screenshots below show the work instead.

Languages & frameworks
PHP, JavaScript (ES6+), TypeScript, Laravel, Symfony, CodeIgniter, CakePHP
Frontend
React, Vue.js, jQuery, HTML5, CSS/SCSS
Databases / cache
MySQL, SQL Server, Oracle, Firebird, Redis
DevOps & tools
Docker, Kubernetes, CI/CD, Git (GitHub/GitLab), Jira, Confluence, Jenkins, Cypress
Concepts
OOP, SOLID, MVC, REST APIs, design patterns, design systems
Others
ERP/CRM systems, complex queries & algorithms, UI/UX design, Claude Code (AI), Unix/Linux

Experience timeline

Freelance

Selected freelance projects

Independent Full-Stack Developer · Remote

  • Operational analytics platform (FOWPanel): public dashboards with real-time indicators and an admin area to manage regions, customers, users and configurable panels
  • Custom ERP: authentication, regular and inline forms, multi-step wizards, database modelling and agile project tracking
  • Real-estate portal: landing page, property listings and launches

PHPLaravelVue.jsMySQLDockerGitLab

FOWPanel — operational analytics platform

ERP

Real-estate portal

Nov 2022 – Sep 2026

Vokeso IT Services and Consulting

Full-Stack Developer (PHP / React / Vue.js) · Montréal, QC

  • Developed and maintained an ERP web app for timesheets, expenses and other management features, saving customers the cost of expensive HR software licences
  • Refactored a web platform with Vue.js: new design, simpler and more fluid features, source code easier to maintain
  • Managed Azure environments, deployment pipelines, releases and Docker-based infrastructure for PHP applications
  • Integrated APIs with Microsoft Business Central and other external systems
  • Automated scripts for server, git and container management
  • Advanced production support: database, server, customer training and other customer needs
  • Database migration and export to other systems, such as Oracle ERP
  • Maintained the company website: new pages, articles and continuous improvement

PHPLaravelReactVue.jsSQL ServerMySQLPostmanDockerGitCodeIgniterWordPress

ERP — timesheets & expenses

E-commerce — parts & warranty portal

Oct 2021 – Sep 2022

Netlift

Full-Stack Developer (PHP / Vue.js) · Montréal, QC

  • Built new features for a transportation platform, similar to Uber but focused on the health market, with visual, user-friendly components and simpler interfaces
  • Rebuilt the web platform from SSR to SPA with a new Vue.js design — clear, fluid interface; faster, easier-to-maintain code
  • Improved system performance and scalability

PHPVue.jsjQueryMySQLDockerHerokuGitPostman

Lift platform

Oct 2020 – Sep 2021

VKS – Visual Knowledge Share

Backend Developer (PHP) · Châteauguay, QC

  • Developed features for industrial manufacturing software focused on instructing and controlling production-line tasks
  • Worked in an Agile environment with CI/CD pipelines
  • Redesigned and rebuilt APIs and entire modules

PHP (Symfony)MySQLJenkinsPHPUnitPostmanJiraGitConfluenceDocker

This was a back-end role (APIs, business logic and data), so there isn’t much visual material to show for it.

Oct 2019 – Jun 2020

CDID Inc.

Full-Stack Developer (PHP / .NET) · Saint-Georges, QC

  • Developed and maintained an industrial ERP for production line and production management
  • Worked on accounting, manufacturing and distribution modules to improve user performance
  • Developed assembly-line features that are still in use today

PHP (CakePHP)C#.NETSQL ServerMySQLjQuerySVNGit

Production line panel — auto machining

Screen and the same panel running on the shop floor

Production line panel — molding

Screen and the same panel running on the shop floor

ERP management pages

Mar 2017 – Oct 2019

FIOCRUZ

Full-Stack Developer / Technical Lead · Rio de Janeiro, Brazil

  • Led a team of 10 (developers + support)
  • Delivered a large-scale educational and research management platform for a governmental program training public health-care professionals
  • Developed educational management software for research management and publishing master's and doctoral theses
  • Coordinated development, infrastructure and deployment processes
  • Implemented GitFlow, deployment automation and QA

PHPLaravelVue.jsAngularMySQLSQL ServerAWSGit

Educational ERP

Management panels & dashboards

Jan 2009 – Dec 2016

PHCFOCO

Full-Stack Developer / IT Manager · Rio de Janeiro, Brazil

  • Developed ERP/CRM web and mobile applications
  • Managed a team of 7 across development and support
  • Fully migrated an SSR app to SPA with jQuery/Ajax — new layout and features that gave customers a modern, useful tool
  • Created a mobile app connected to the ERP for field operators, replacing paper forms, avoiding rework and giving real-time information about services provided
  • Created innovations that moved the company from obsolete to market leader

PHPLaravelCakePHPMySQLjQueryGitSVNAWS

ERP / CRM web application

Mobile app for field operators

Education

Graduate Diploma – Computerized Systems Analysis

FAETERJ – Brazil · 2010 – 2016

Programmer Training

Federal University of Rio de Janeiro (UFRJ) · 2003