Andrei Mosso Mendoza, Developer in Denver, CO, United States
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Andrei Mosso Mendoza

Verified Expert  in Engineering

Software Architecture Developer

Denver, CO, United States
Toptal Member Since
May 24, 2014

Andrei is a senior full-stack software engineer and architect with experience developing Java, Node.js, PHP, and iOS applications. He has worked in all phases of the project life cycle, using a wide variety of tools and frameworks. He has a strong drive to efficiently deliver effective software solutions.


MongoDB, Jenkins, Angular, Spring MVC
Charter Communications
MongoDB, GitLab CI/CD, Angular, Spring MVC
Quadwrange (via Toptal)
Ionic, MongoDB, AngularJS, Play Framework




Preferred Environment

Spring, Docker, GitLab, Atom, Debian, OS X

The most amazing...

...thing I've built is a Java to XML serializer/deserializer. It can handle primitive types, complex types, arrays, collections, and maps.

Work Experience

Senior Full-stack Engineer

2019 - 2019
  • Integrated big data solutions into a self-serve portal to transport data.
Technologies: MongoDB, Jenkins, Angular, Spring MVC

Senior Software Engineer

2018 - 2019
Charter Communications
  • Implemented an end-to-end CI/CD pipeline.
  • Integrated custom DevOps and monitoring tools to the Remedy ticketing system.
Technologies: MongoDB, GitLab CI/CD, Angular, Spring MVC

Senior Software Engineer

2017 - 2018
Quadwrange (via Toptal)
  • Implemented bug fixes and new requirements using Play framework and AngularJS.
  • Fixed bugs in Ionic apps.
  • Used the Scrum methodology.
  • Created a WYSIWYG editor to customize various pages.
Technologies: Ionic, MongoDB, AngularJS, Play Framework

Senior Software Engineer

2015 - 2017
Prolific Interactive (via Toptal)
  • Created mockups with Sketch.
  • Implemented bug fixes and new requirements using Laravel.
  • Integrated AWS S3 API to store image content.
  • Integrated AWS Elastic Transcoder to process video uploaded by users.
  • Automated most of the regression tests.
  • Integrated testing into the continuous integration system.
Technologies: Amazon Elastic Transcoder, Amazon S3 (AWS S3), MongoDB, Laravel

Senior Software Engineer

2015 - 2016
uDown (via Toptal)
  • Designed and implemented back-end REST services using Node.js and Feathers.js.
  • Designed and implemented a mobile app using the Ionic framework. Used a high-performance JavaScript animation library to provide a good user experience.
  • Integrated with Facebook API.
  • Integrated with Twitter API.
  • Worked under the Scrum methodology.
Technologies: MongoDB, FeathersJS, Node.js, Ionic

Senior Software Engineer

2015 - 2015
Smyle, Inc. (via Toptal)
  • Designed and implemented high-performance back-end REST services.
  • Developed using Spring MVC, Redis, and Hibernate.
  • Developed for iOS using Swift 2.
  • Integrated with Facebook and Dropbox APIs.
  • Maintained project control with Jira and GitHub.
Technologies: Hibernate, Spring MVC, Redis, iOS, Swift, Java

Software Engineer

2013 - 2015
Systems USA
  • Implemented new HHSC dispositions with Java EE, Hibernate, and in-house frameworks.
  • Supported the HHSC's welfare production portal.
  • Created batch jobs to process client requests for support using Java and Hibernate.
  • Migrated a legacy system to a web-based application using IBM Portal and AngularJS.
Technologies: jQuery, AngularJS, Hibernate, Spring, Java EE

Software Architect

2013 - 2013
Noiselab Apps
  • Implemented the user interface using Xcode.
  • Invoked back-end services to populate the screens with data.
  • Implemented user interaction flow with storyboards.
  • Implemented back-end REST services using Spring-MVC and Hibernate.
  • Programmed for mobile devices.
Technologies: Hibernate, Spring MVC, iOS, Objective-C, Cocoa Touch

Lead Specialist

2012 - 2012
Grupo ASSA
  • Installed Dev and QA environments using WebLogic, Oracle SOA Suite, Service Bus, Enterprise Repository, Service Registry, and a load balancer.
  • Created detailed instructions allowing the infrastructure team to install the production environment.
  • Developed web services to expose JD Edwards business functions.
  • Integrated services with
  • Created an interface to periodically transfer data from JD Edwards to a legacy system using Oracle Data Loader.
Technologies: Oracle Data Integrator (ODI), Oracle, Oracle Service Bus (OSB), Oracle SOA Suite, Mercurial, Redmine, Apache Maven, Java EE

Software Architect

2008 - 2011
Glider Software Solutions
  • Created a checks and savings account opening system for IXE bank, using Java EE and Oracle BPM.
  • Created a checks, savings, and credit card accounts opening system for Banamex - Citi bank, using Java EE and Oracle BPM.
  • Migrated an Aqualogic BPM 5.7 project to Oracle BPM 10.3.
  • Designed and implemented a budget proposal and approval system, using Aqualogic BPM 6.0 and Flex Builder 3.
  • Assessed best practices for Aqualogic BPM implementations.
  • Installed development, QA, and production WebLogic, including Aqualogic BPM and Oracle BPM environments.
  • Provided on-site support for WebLogic, Aqualogic BPM, and Oracle BPM environments.
Technologies: Oracle WebLogic Portal, Oracle BPM, Oracle SOA Suite, Mercurial, Subversion (SVN), Apache Maven, Ant Design, Flex, jQuery, JavaScript, Hibernate, Spring MVC, Java EE

Software Engineer

2007 - 2008
  • Received a non-functional system and took it to production in six months.
  • Implemented new functionality using Java, JSP, and JavaScript.
Technologies: Subversion (SVN), MQL, JavaScript, Java EE

Java to XML Serializer

A class that translated a Java object into an XML representation. It could handle primitive types, arrays, collections, maps, and complex objects.
2002 - 2006

Bachelor of Science Degree in Computer Science

Tecnologico de Monterrey - Cuernavaca, Mexico.


Node.js, Dropbox API, Facebook API, jQuery, Google Drive API, jQuery UI


Apache Ant, Apache Maven, Apache Tomcat, Eclipse IDE, Apache, Git, Subversion (SVN), Oracle Business Process Management (BPM), Oracle SOA Suite, Atom, GitLab, Redmine, GitLab CI/CD, Jenkins, Jira, Mercurial


AngularJS, Bootstrap, Spring Security, Spring MVC, Ionic, Angular, Play Framework, FeathersJS, JUnit, Hibernate, Angular Material, Spring, Cocoa Touch, Flex, Ant Design, Laravel, RestKit


Object-oriented Programming (OOP), Service-oriented Architecture (SOA), REST, Database Design, MEAN Stack, Scrum


JavaScript, Java, Swift 2, SQL, HTML, Objective-C, UML, MQL, Swift, CSS, Flash ActionScript


Linux, Oracle, Unix, Windows, iOS, Amazon EC2, DigitalOcean, Rackspace Cloud, MacOS, OS X, Debian, Docker, Java EE, Oracle Data Integrator (ODI)


Redis, MongoDB, MySQL, Amazon S3 (AWS S3), PostgreSQL


Software Architecture, WebLogic, Front-end, Software Development, Front-end Development, IT, Amazon Elastic Transcoder, Oracle Service Bus (OSB), Oracle BPM, Oracle WebLogic Portal, WebSockets, PCI Compliance

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