Alejandro Chavez

Analytics platform in the health care field where huge amounts of information are consumed and processed to provide customers insight on how to handle medical claims and insurances.

Support the different data and software development teams to provide the set of tools needed to run data pipelines, spark programs, apache airflow, etc. Including CI/CD integration, cloud infrastructure and automation of repetitive tasks.

Technologies:

• Amazon Web Services (s3,RDS, ECS, EC2, CodeBuild)
• Docker, Kubernetes-> Rancher(RKE), docker-compose.
• HDFS filesystem, PrestoDB.
• Terraform
• Jenkins CI/CD pipelines
• Azure Devops

Refinery Planning Web Application microservices. Including data ingress/pipeline, data streams, AmazonMQ, etc.

As part of the Devops team I got the following responsabilities:

• Create/Maintain Jenkins CI/CD Pipelines.
• Manage AWS using automation tools like terraform.
• Create Production/non-production environments in AWS.
• Manage infrastructure thru terraform.
• Dockerize Dev environments.

Technologies:

• Terraform
• AWS (s3, RDS postgres, ec2, ecs, ecr)
• Docker
• Java Microservices
• Jenkins CI/CD pipelines

Developing and maintaing services(APIs, web client, Backend) where taskers are matched to the IKEA stores and provide a wide catalog of services.

As part of the ikea team I’m responsible of delivering production ready features accross prioritized projects like:

• Web experiments. Purpose: increase booking rate by providing different experiences to the user.
• Ikea Store - TaskRabbit launch for new countries and metros.

Common Activities:

• Daily Standup, Code reviews, Architecture Hour
• Retrospective meetings (feedback and action items)

BackEnd:

• RoR, Sidekiq (eventBus), Rspec, Mysql

FrontEnd:

• React, ES2020, Redux, Style components (SCSS).

This is a chat client for front line employees with several more functionalities to communicate shifts, calendars, rosters, etc.

My main responsabilities in this project is to work on add-ons at the organization and enterprise level to connect with third party providers.

Technologies used during this stage

• Java, Kotlin.
• Gradle.
• Docker for running services (microservice environment).
• Spring mvc, security, webservices.
• Dynamodb, activemq, redis, producer-consumer paradigmn to connect services.

Full stack software engineer responsible to create features, fix bugs and test modules of a large saas application deployed by international companies in the traveling sector following OWASP secure coding guidelines.

Technologies and skills:

• Java 7,8 (streams, optionals)
• Spring (Dependency injection, web)
• WebServices (third party communication, payment authorization)
• Backend tasks (payment workflows, validations, repos, scheduled tasks, mailing jobs)
• Repositories JDBC, Hibernate
• Unit testing using Junit, hamcrest, easymock, parametric tests.
• Testing Automation with selenium.
• Javascript (Jquery, Emberjs)
• Templating (handlebars, Html5, bootstrap, css, scss)
• Docker (postgres, memcache)

XSLT and XSL-FO based tool for document transformations from XML to PDF, HTML, PPTX some other XML-based internal formats.

Java Standard 6.0, swing based app, processing all document transformation requests, command line based tool as well.

• Java 6, XSlT, XSL-FO, Junit 4, Docbook standard format.

Real estate webapp. Hibernate, Struts2 and spring.