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I’m Ronaldo Quionha de Jesus, a full‑stack developer and tech lead with 17+ years of experience building web apps. I’ve worked with Angular, React, Vue, Node.js and Prisma, leading teams, improving architecture and helping companies ship solid, scalable products. What makes me stand out is my mix of hands‑on coding, clear communication and the ability to take a project from idea to delivery. I like solving real problems and creating solutions that actually help people.…I’m Ronaldo Quionha de Jesus, a full‑stack developer and tech lead with 17+ years of experience building web apps. I’ve worked with Angular, React, Vue, Node.js and Prisma, leading teams, improving architecture and helping companies ship solid, scalable products. What makes me stand out is my mix of hands‑on coding, clear communication and the ability to take a project from idea to delivery. I like solving real problems and creating solutions that actually help people.

Ronaldo QJ de Jesus

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

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I’m Ronaldo Quionha de Jesus, a full‑stack developer and tech lead with 17+ years of experience building web apps. I’ve worked with Angular, React, Vue, Node.js and Prisma, leading teams, improving architecture and helping companies ship solid, scalable products. What makes me stand out is my mix of hands‑on coding, clear communication and the ability to take a project from idea to delivery. I like solving real problems and creating solutions that actually help people.…I’m Ronaldo Quionha de Jesus, a full‑stack developer and tech lead with 17+ years of experience building web apps. I’ve worked with Angular, React, Vue, Node.js and Prisma, leading teams, improving architecture and helping companies ship solid, scalable products. What makes me stand out is my mix of hands‑on coding, clear communication and the ability to take a project from idea to delivery. I like solving real problems and creating solutions that actually help people.

Available to hire

I’m Ronaldo Quionha de Jesus, a full‑stack developer and tech lead with 17+ years of experience building web apps.
I’ve worked with Angular, React, Vue, Node.js and Prisma, leading teams, improving architecture and helping companies ship solid, scalable products.

What makes me stand out is my mix of hands‑on coding, clear communication and the ability to take a project from idea to delivery. I like solving real problems and creating solutions that actually help people.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Portuguese

Fluent

Spanish; Castilian

Advanced

Work Experience

Full Stack PHP/Angular/React Developer at EDP

February 1, 2022 - Present

Led migration of Angular front-end from v7 to v16, ensured compatibility and performance, and developed complex pages consuming multiple data sources with emphasis on UX and scalability. Implemented REST microservices on Google Cloud with CI/CD pipelines. Migrated production data to Google BigQuery with scheduled jobs. Implemented front-end authentication with role-based access control and SSO integration. Contributed to onboarding and documentation; migrated production data models and dashboards to BigQuery.

Frontend Team Leader at Masterlink

May 1, 2021 - February 28, 2022

Led frontend across all client projects using Vue.js/Nuxt. Defined and implemented a new module delivery model for client servers, migrated a legacy ASP.NET project to Vue.js/Nuxt, and modernized the platform. Executed a full front-end refactor, delivered continuous UX/UI improvements, and ensured code quality via reviews and testing. Presented weekly progress to the CEO and held client meetings to gather requirements and align with business goals.

Team Leader Front-end at Tips4y

April 1, 2020 - October 31, 2020

Led full migration of core front-end to a Vue.js-based architecture; end-to-end front-end development with a mobile-first UX approach; mentored team, fostered collaboration and ownership, and ensured delivery aligned with business needs.

Full Stack Developer (Vue.js / PHP (Laravel)) at Penguin Formula

October 1, 2020 - January 31, 2021

End-to-end development of customized software solutions using Vue.js and PHP (Laravel); back-office and front-end development; focused on UI/UX quality and overall system maintainability.

Full Stack PHP / Angular Developer at Decskill

December 1, 2019 - April 30, 2020

Full-stack development using PHP (Laravel) and Angular; end-to-end development for the company’s main chat product; front-end and back-end work, maintenance and feature delivery.

PHP / C# Developer at KCS IT

November 1, 2018 - December 31, 2019

Full-stack development; migration of legacy systems to modern Vue.js/Nuxt; front-end and back-end work; code reviews and quality assurance in an Agile environment.

PHP / C#.NET Developer at Constat

July 1, 2012 - April 30, 2013

Complete refactoring of corporate systems, migrating from Windows to a Linux environment; HTML/CSS restructuring; outsourcing with PHP/CodeIgniter; front-end and back-end work.

Flash Developer at Dinamize

July 1, 2011 - January 31, 2012

Maintenance and development of online marketing product; PHP with MySQL backend; front-end development and localization for multi-language campaigns.

Flash Developer at Onda Web

December 1, 2008 - July 31, 2011

Web site development and maintenance, including front-end and back-end work; e-commerce and social media integration.

Full Stack Developer (PHP/ Angular/ React) at EDP

February 1, 2022 - Present

Role: Full Stack PHP/Angular/React developer. Led front-end refactoring of an Angular application, migrating from v7 to v8 and performing progressive upgrades to v9, v12, v14 and v16 to improve compatibility, stability and performance. Built complex pages consuming multiple data sources with emphasis on performance, UX and scalability. Implemented REST microservices in Google Cloud with CI/CD integration. Acted as Front-end technical reference, mentoring new team members and contributing to architectural decisions. Led migration of local development environment to WSL-2 with Ubuntu, and authored onboarding documentation in Confluence/Jira. Solely migrated production data to Google BigQuery with guaranteed integrity and cost-aware optimization, including an automated daily migration with a Google Cloud Scheduler job and complex report queries for clients. Implemented front-end authentication with user profile controls and SSO via SimpleSAMLphp.

Front-End Team Leader at Masterlink

May 1, 2021 - February 1, 2022

Role: Front-End Team Leader. Led the front-end team across all client projects using Vue.js/Nuxt. Defined and implemented a new module delivery model for client servers, optimized deployment processes, and led the full migration of a legacy ASP.NET project to Vue.js/Nuxt to modernize the platform. Executed complete refactoring of the legacy system, moving admin/back-office to Vue.js and the client-facing app to Nuxt, applying best development practices and architecture standards. Delivered continuous UX/UI improvements to enhance usability and overall experience. Ensured product quality through code reviews and functional validations. Conducted weekly progress presentations to the CEO and held direct client meetings to capture requirements and validate proposed solutions.

Full Stack VueJs / PHP (Laravel) at Penguin Formula

October 1, 2020 - January 1, 2021

Role: Full-stack development using Vue.js and PHP (Laravel) for customized software solutions. End-to-end development of the back-office in Vue.js for the company’s main chat product. Implemented responsive, mobile-first layouts with strong UX focus. Participated in a self-managed team and contributed to code reviews and quality assurance, ensuring maintainable and scalable software.

Full Stack PHP/ Angular at Decskill

December 1, 2019 - April 1, 2020

Role: Full-stack PHP/Angular developer. Developed a CRM solution for EDP partner customers, focusing on REST services and microservices architecture. Led code reviews, architectural decisions, and ensured software quality. Migrated front-end to modern frameworks (Vue.js) and improved deployment workflows. Delivered UX/UI improvements and regular demonstrations to stakeholders and clients, aligning solutions with business needs.

PHP/ C#.NET Developer at KCS IT

November 1, 2018 - December 1, 2019

Role: PHP/C#.NET developer. Worked across multiple outsourcing projects (e.g., Tekuchi, Marvil 56, Twisper). Responsible for implementing new features, evolving and maintaining core projects, and delivering front-end and back-end work. Participated in code reviews and ensured alignment with client requirements and quality standards.

C# .NET Developer at Constatrev

April 1, 2013 - June 1, 2013

Role: C# .NET developer. Refactored and corrected a corporate portal and web applications, migrating from Windows–based environments to Linux, and restructuring HTML/CSS across pages to fit a new layout while preserving CMS content integrity. Involved in outsourcing projects for Symfony and Oracle data sources. Implemented new layout standards and front-end/CSS code quality improvements.

Flash Developer at OndaWeb

December 1, 2008 - July 1, 2011

Role: Flash Developer. Web site development and maintenance, both front-end and back-end, with multiple client projects in a web development setting.

Full Stack Developer (PHP/Angular/React) at EDP Portugal Energias

February 1, 2022 - Present

Desenvolvimento de soluções Full Stack com PHP/Laravel; Angular e React no front-end, migração de front-end, integração de fontes de dados, implementacao de pipelines CI/CD e melhoria de desempenho e escalabilidade.

Front-end Team Leader at Tips4y

April 1, 2020 - October 1, 2020

Liderança de time Front-end; migração total da aplicação, definição de arquitetura Vue.js e práticas de UX.

Full Stack Developer (VueJs / PHP Laravel) at Penguin Formula

October 1, 2020 - January 1, 2021

Desenvolvimento Full Stack com Vue.js e PHP (Laravel); foco em soluções sob medida, UX/UI e desempenho.

PHP / C# .NET Developer at KCS IT

November 1, 2018 - December 1, 2019

Desenvolvimento em PHP/.NET; manutenção de CMS, front-end com Angular/JS; suporte a clientes.

Full Stack PHP Developer at Constat Brasil

April 1, 2012 - April 1, 2013

Desenvolvimento de novos módulos, correções de bugs, integração entre projetos com bases SQL Server e Oracle.

Flash Developer at Magia Studio

January 1, 2012 - July 1, 2012

Desenvolvimento de websites, publicidade e aplicações web; ActionScript.

Analista / Desenvolvedor at TicketLog

June 1, 2013 - January 1, 2018

Área de benefícios, gestão de frotas e manutenção de veículos; implementação de módulos de CRM focados em clientes.

PHP / C# .NET Developer at Cotrase rv Brasil

April 1, 2013 - June 1, 2013

Desenvolvimento em PHP e .NET; melhorias de CMS interno, refatoração de funcionalidades e integração de conteúdos.