Hi, I'm Junior!

Creative Designer Coder Player

Based in Brazil.

I'm a Brazil based full stack developer with 10+ years of experience.

- Nice to meet you!

Romildo Junior

Full Stack Developer

Hello there! My name is Romildo Junior. I'm a passionate full-stack developer with over 10 years of experience. Throughout my career, I've had the privilege of working with renowned companies worldwide. My expertise lies in React, React Native, Node.js, Express.js, MongoDB, SQL, Styled Components, Redux, Context API and many other packages.

Passionate about problem-solving and technology, I enjoy crafting elegant and efficient solutions. Whether it's creating captivating user interfaces or building robust backends, I prioritize user experience, security, and performance.

I believe in open communication and collaboration with my clients, aiming to exceed their expectations and deliver tangible results. Staying up-to-date with the latest tools and trends allows me to offer forward-thinking solutions. For this, I have acquired a bachelor degree in Civil Engineering from the Pontifical Catholic University of Minas Gerais (2010), a Masters and Doctorate (Phd) in Engineering from the State University of Campinas, UNICAMP.

Let's embark on an exciting journey together. Whether you're a startup or an individual seeking to enhance your digital presence, I'm here to turn your vision into reality. Contact me today, and let's create digital experiences that leave a lasting impact.

  • 10+

    Years of Experience
  • 50+

    Projects Completed
  • 30+

    Happy Clients
- Experience

Everything about me!

  • 2022 - 2023

    Full Stack Developer

    Radix Engenharia e Software

    Coded, deployed and maintained a large national bank app using React, React Native and Typescript.

  • 2011 - 2022

    Full Stack Developer

    PhoneLiving LLC

    Developed Android Apps and Websites using React, React Native, Java and Unity.

  • 2011 - 2020

    Software Developer


    Developed structural analysis software using Visual Basic and Fortran.

  • 2013 - 2015

    Web Developer

    GRT Solutions

    Developed and maintained responsive websites using Wordpress, React, Node.js and other frameworks.

- Testimonial

What client's say?

  • React

    Making web development fun again, one virtual DOM at a time.

  • React Native

    Because developing apps shouldn't be a native nightmare.

  • Node.js

    It's time to give JavaScript the server-side spotlight.

  • TypeScript

    Saving developers from the perils of JavaScript's typeless adventures!

  • Express

    Keeping your web apps running smoothly, serving up code like a boss!

  • MongoDB

    Where data lives happily ever after, no SQL drama.

  • Styled Components

    Where CSS becomes a glamorous fashion show for components!

  • Redux

    The superhero of state management, saving developers from chaos!

  • Git

    The magical time machine that saves developers from coding catastrophes!

  • Github

    Where developers unite, code collaborates, and bugs fear to tread!

  • Bitbucket

    The ultimate treasure chest for your code.

  • Scrum

    The secret recipe for turning chaos into organized development sprints!

In addition to the above packages, I also have experience in several others such as Font Awesome, React Router, React Navigation, Context API, Yup forms, Axios, Reanimated and several others.

- Let's Connect

Get in touch

I'm currently avaliable to take a new full-time job, so feel free to send me a message about anything that you want to run past me. You can contact anytime at 24/7

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