Jesus Ariel Aguilar MezaBack End Developer
Experienced Senior Software Engineer with a demonstrated history of working in the information technology and services industry. Skilled in Java, Scala, Spring Boot, Play framework, Akka, Kafka, DevOps, English, and Management. Strong engineering professional in Computer Software Engineering from Universidad Nacional de Asuncion.
Tech stack
Java (13)
MongoDB (12)
Git (12)
Scala (8)
Jenkins (8)
Angular (8)
Docker (8)
Play (8)
Python (7)
Django (7)
Amazon (7)
Ionic (7)
Spring (7)
Cassandra (6)
JIRA (6)
Kubernetes (6)
GitHub (6)
Akka (6)
JUnit (3)
PostgreSQL (3)
Spring MVC (3)
C++ (3)
AngularJS (3)
JavaScript (2)
HTML (2)
CSS (2)
Windows (2)
iOS (2)
Linux (2)
ASP (2)
Experience
Back End DeveloperWW (formerly Weight Watchers) Full-time
02/2019 - Currently

Senior Software Engineer - Contractor Scala developer of backend CORE services included refactoring, bug fixes, maintenance, new features, 100% unit tests coverage, architecture improvement and standardization of code components. Scala | Play Framework | Akka | Mockito | Apache Kafka | MongoDB and Cassandra | Docker. Git | GitHub | AWS S3 for library artifacts | JIRA | Quay and GC Artifact Registry | Travis CI | TriggerCtl (a wrapper around the kubernetes APIs, with Trigger Conventions in mind).

MongoDB
JIRA
Git
Docker
Kubernetes
Play
Cassandra
Akka
GitHub
Scala
Technical LeadXionict SA Freelance
06/2018 - Currently

Freelance - Technical Team Lead Full Stack Engineer for leading almost all projects of the firm, project manager and technical team lead for over 2 years in the banking and health sector. Git | GitLab | JFrog | Jenkins | Amazon EC2 | DigitalOcean droplets. Java | Spring Boot | Mockito | Python | Django | Angular | Ionic | Rabit MQ | MongoDB | Postgres. …

MongoDB
Python
Django
Git
Java
Angular
Amazon
Jenkins
Spring
Ionic
Back End DeveloperEquifax
03/2018 - 01/2019

Software Engineer to help with migration and reengineering of the platform (decision model machine to infer results based on datasource). I research and developed a new project to test java models in batch mode, grouping results in reports. I solved key problems with the old platform. Worflow used git, Bitbucket, JIRA, Tomcat. Technologies used Java, Scala, Spark, JUnit, Python, Tomcat, Sybase and Oracle.

Python
Java
Oracle Database
JUnit
Apache Tomcat
Spark
Scala
Software ArchitectPersonal Paraguay Freelance
02/2018 - 07/2018

Freelance - Senior Software Engineer Consulting Worked as consultant to design a solution to integrate API from core message system with a control platform for VAS message services (subscription, on-demand and mixed for SMS and WAP content).

Design
Full Stack DeveloperCDS Full-time
05/2016 - 02/2018

Software Engineer Senior Full Stack Engineer for design and development of new features in existing software and collaboration with the reengineering of new platforms where scalable solutions for financial sector were researched, designed and implemented. Git | GitLab | Redmine | Jenkins | Tomcat | Wildfly. HTML | CSS | JavaScript | JSP | JSF | Angular 2 | Java | SpringBoot | JUnit | Mockito | PowerMock | Scala | Play Framework | Mockito | C# | Docker | Postgresql and DB2.

JavaScript
Docker
Java
HTML
Angular
CSS
Play
JUnit
Jenkins
Scala
Technical LeadPS Line S.A. Full-time
03/2014 - 05/2016

Software Engineer Project Lead Software Engineer to lead and guide a team for software design and development of a CEN/XFS or XFS (extensions for financial services) based application for Wincor Nixdorf ATM's using the XFS SDK from the manufacturer, getting a previous training and certification in CRS System Engineer, Probase/C Systems Engineer in Paderborn Germany and ATS Systems Engineer in Austin USA. AngularJS | WebSockets | Java | Spring MVC | JUnit | C/C++ | Postgresql.

AngularJS
Java
C++
Spring MVC
PostgreSQL
Full Stack DeveloperConsultora SinComillas - LJ Software SRL Self-employed
12/2012 - 02/2014

Full Stack Developer - Maintenance and creation of new features for desktop apps for Windows with .Net and C#, Linux with Java using swing and Java FX. - Created mobile apps with Xamarin (Android, iOs and Windows Phone), others apps in Android native. - Created a web application with ASP .Net and IIS.

Android
iOS
Linux
Java
ASP
Swing
Mobile
IIS
Xamarin
Windows
Education
Computer Science EngineerUniversidad Nacional de Asunción
02/2010 - 12/2015