Cassio Landim, Developer in Campinas - State of São Paulo, Brazil
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Cassio Landim

Verified Expert  in Engineering

Software Developer

Campinas - State of São Paulo, Brazil
Toptal Member Since
April 4, 2016

Cassio is a talented software developer and technical leader experienced in creating web and Android applications, including 10+ years of experience with Java. He has worked in a variety of environments and is comfortable as a team leader.



Preferred Environment

MacOS, Eclipse, Git, Android

The most amazing...

...thing I've developed is a management platform for educational institutions.

Work Experience

Software Developer

2012 - PRESENT
  • Developed many web applications for hospitals and location stores.
  • Developed a number of Android applications that I conceived of.
Technologies: Android, Grails, Jakarta EE

Android Analyst

2013 - 2014
  • Developed and maintained various applications.
  • Developed a cross-over between social and marketplace application.
  • Maintained an educational application for children. This app uses video content and games to provide educational content. Due to the age of users the app needed intuitive and easy-to-use design. The project was a full success with over 100,000 users.
Technologies: Java, Android

Software Engineer

2011 - 2012
  • Was responsible for web development.
Technologies: Ruby on Rails (RoR), Grails

Software Architecture Consultant

2011 - 2011
Multidata Software
  • Helped improve software development processes and introduced new tools and agile methods.
Technologies: Jakarta EE, Java

Android Software Engineer

2010 - 2011
  • Worked in the Innovation Lab division.
Technologies: PHP, Android

Team Leader

2005 - 2010
Multidata Software
  • Helped to establish the architecture base for the development of all Java products.
Technologies: Java, Jakarta EE

ASP and Java Programmer

2004 - 2005
Caixa Econômica Federal
  • Was responsible for web development.
Technologies: Jakarta EE, Active Server Pages (ASP)

Alarme Falante Android App

Running late? Never again! This alarm app tells the time so you do not miss anything during a nap.

The interface and usability of this application were kept simple so that visually impaired people can use it with ease.

It does not require the installation of TTS or any additional library. Voice only in Brazilian Portuguese.

Etutore Web App

A platform for management of educational institutions with the goal of helping teachers execute their daily tasks and students to have better communication with their teachers.

Sabedoria Android App

Words of wisdom and spirituality to motivate you every day.
- Set up to receive a notification once a day at the desired time with a message of wisdom.
- Place a widget on your screen with a shortcut to a message of wisdom that is automatically updated every 4 hours.
- Share a message on Facebook and other various social networks.

CBCO Intranet

An intranet and external institutional site for doctors of CBCO (Centro Brasileiro de Cirurgia dos Olhos) to manage their patients and exams.

I Am In Android App

Coupons for discounts on your Android, at the time and place you need it most.

I An In is an application that offers good deals for users via promotional coupons for immediate consumption according to location. Promotions are the best shops in various segments, such as: Restaurants, Bars, Nightlife, Nightclubs, Bakeries, Ice Cream, Cinemas, and Theatres, among others.

Orthoptical Accomodation Android App

The rate of dropout during conventional home orthoptic therapy is very high. This application improves home therapy by making it easier and more interactive, with the goal of reducing the rate of dropout of subjects in need of treatment.

UFC Budweiser Android App

If you're a fan of MMA, the fastest growing sport in the world, you must download this application. This app for Android was developed to monitor everything that happens inside and outside the Octagon.

Sidereel Android App

Find, Track, and Watch your favorite TV shows with the SideReel Android app!
-See TV listings and create a personal TV calendar.
-Get notifications when your shows are airing. Track shows you watched and
want to watch.
-Never miss a show with SideReel’s calendar of what’s airing tonight. Create a personal calendar to take with you anywhere.
-Get notifications for when the shows YOU watch are about to air. Search through SideReel’s library of over 24,000 TV shows.
-Access your SideReel Tracker to mark which episodes you’ve watched and see which shows are upcoming.
-Watch available episodes right on your device!

Vota Brasil Android App

Vote Brazil is an application that allows you to give your opinion on the topics and discussions that are controversial or in the general interest of the community. Cast your vote and see the results of polls in real-time as other users vote too.

Google Cloud Messaging Lecture
A lecture I gave at InterCon Dev Android 2013.

Etutore Android App For Students
This Android app allows students to monitor their performance with any institution, receiving updates about grades, Q&A, frequency, interactions with teachers, and others.
2015 - 2017

Master's Degree in Computational Intelligence

Universidade Federal de Goiás - Goiânia

2009 - 2010

Post-graduate Degree in Software Engineering

Universidade Católica de Goiás - Goiás, Brazil

2003 - 2005

Degree in Internet and Computer Networks

Universidade Salgado de Oliveira - Goiás, Brazil


Flurry, jQuery, ZXing, Facebook API


Eclipse IDE, Google Analytics, Google Cloud Messaging, Git, Mailchimp


Android SDK, Grails, Ruby on Rails (RoR), Hibernate, Unity3D


Android, JSE, J2SE, Amazon Web Services (AWS), Java EE, Eclipse, MacOS, Jakarta EE, Arduino


Java, Groovy, JavaScript, PHP, Active Server Pages (ASP)


Agile Software Development, Functional Programming


PostgreSQL, MySQL, NoSQL, Amazon S3 (AWS S3)


Urban Airship, Data Migration

Collaboration That Works

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