![JB](https://d2abrqas732254.cloudfront.net/images/specialists/91e341d31e68bd7e4e0ee609a5fbfb387dc69e5b.jpg)
English:
Upper Intermediate
Mexico
UTC -06:00
America/Mexico_City
Senior developer with over 7 years of experience building mobile apps using Kotlin and Java.
As a senior mobile developer, I have accomplished the following: - Development of tools for Digital Resource Education for Kids with visual impairments - I improved the memory consumption and performance of the UI of the UNICEF Kid Power application. - I optimized the code quality of the Sales Force Project - Belcorp reducing the crashes reported by customers. - I accomplished the development of the animation of a marker between polygons of Google Maps for the Servitrack GPS application.
Want to hire this engineer?
Check if Joel Colmenares is availableExpertise
Years of commercial development experience
7 years of experience
Core technologies
Other technologies
Project Highlights
Walmart Identity
Feb `23 - Present
2 years
Walmart
Support and develop new features for the authentication module of Walmart application
Responsibilities & achievements
Develop and support features related to the authentication module
DMED
Dec `21 - Jan `22
Disney
Support the team with the development of new features and existing ones.
Responsibilities & achievements
As a Tech Lead of the Android global team, I guided the Jrs. developers to improve their tech and soft skills while I was working as an Android developer for Disney projects.
FIS
Jul `21 - Feb `22
7 months
FIS
Develop the new application for FIS Account using the Ionic framework as a hybrid tech.
Responsibilities & achievements
As part of the development team, I developed the account main feature and the auth-encryption framework to ensure, and provide the user data to other features by applying design patterns such as factory, template, and singleton, also I applied SOLID principles and the basic theory of Atomic design to achieve a scalable and modular feature as a plugin for the whole project. Besides that, I supported the team with other features of the data of the plugin developed.
Greendot
Mar `21 - Jun `21
3 months
Greendot Corporation
The android team from Greendot Corporation asked for a deep analysis of the project, feedback for their development, and a new proposal from it.
Responsibilities & achievements
Review, analyze, and diagnose the code quality and the weaknesses that the Android application project had to provide appropriate feedback to the development team. This is with the goal of applying feature flags in mobile projects.
Consultants
Nov `20 - Dec `20
Belcorp
The Consultants' projects needed to add a new feature (Gana+) to its application.
Responsibilities & achievements
Developed a new custom view that will replace the old ones applying new and better widgets from android in order to make it reusable through the application whenever it's needed.
Education
Higher education in Computer Science
Agency
50-100
GMT-6
Mexico City/Mexico
Core Expertise
Industries
Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Information services & Technologies, Construction & Real estate, Travel & Tourism, Augmented reality, SaaS, Energy, Telecommunication, Conversational automation, Management System & Automation
Want to hire this engineer?
Check if Joel Colmenares is available