Gustavo

• Working on developing applications on Ruby, NodeJS, Typescript, and React for the Enterprise Platform Application of the company (Cobalt).
• Currently working as a Team Lead and Software Engineer, working closely with the PM for defining and modeling the Platform’s new features.
• Migrating a data application for microservices and a serverless architecture, running a step-function and lambda workflow.
• Working closely with AWS Services such as CodePipeline, CodeBuild, CDK, SQS, SNS, EC2, ECS, Lambdas, Step-functions, Aurora RDS, DynamoDB, and other services.
• Constantly doing Code Reviews, using Design Patterns, and testing the applications on our development lifecycle.

• Worked on the communication platform to connect the credit card’s machine with the data center that handles and manages all the data from the credit card to the vendor of the credit.
• Worked on creating microservices in Java, Kotlin, Spring, and Boot and delivering them using Kubernetes to orchestrate the microservices.

Main programming languages: Java, Kotlin.

• Worked on new solutions to acquire new customers for the Creditas platform.
• Developed new solutions using Ruby, Kotlin on the back-end, and NodeJS using Typescript.
• Helped to create an environment where we could discuss new technologies and how the engineering team has an important man role on decide which technology is the best for the product that we were trying to develop.
• Gradually helped to migrate a monolith to a microservices architecture while still delivering core functionalities to stakeholders.
• Constantly doing Code Reviews, using Design Patterns, and, testing the applications on our development lifecycle.
• SCRUM Agile Methodology.

Main programming languages: Ruby, Node, Kotlin.

• Responsible for creating NodeJS applications that deliver aggregate value services to OLX users while navigating the app, such as car financing simulators.
• Development of apps with an agile culture environment, CI/CD culture always in the cloud (AWS) / CD using the best practices with the best services, delivering the best infrastructure with the best performance at the lowest cost.

Main technologies: NodeJS, Typescript, Python, Kubernetes, Docker, several AWS services

• Java consultant development of web applications for back-end systems.
• Spring boot, Apache Camel.
• Worked migrating services to a Microservice Architecture always with DevOps culture for CI/CD.

Main Technologies: Java, Perl, Spring Boot, Redis, Elasticache, Docker, Lambda, RabbitMQ, Jenkins, Sonar, JUnit, AWS, Kubernetes, Git, REST Apis.

• Worked on a project to help improve drastically the customer launch instance experience on EC2.
• Decomposed a service of a MySQL database which was very consuming, getting a very important improvement on the operations on an EC2 cloud manager database.
• Built a composition of a solution in Ruby and a serverless architecture for this decomposed service using AWS(RDS, SQS, SNS, S3, EC2, and, Lambda) focusing on high availability, fault tolerance, and auto-scaling.
• Worked with SCRUM and Test Driven Development for Agile Development.

• Developed and took ownership of an Android mobile application to search for books using an intelligent search using image recognition and recommendation service to improve users’ shopping experience.
• Created data crawlers in JavaScript, Python, Perl, and Java to improve this search and recommendation service for the e-commerce browsing experience.

Main Technologies: Java, Python, Linux, Perl, JavaScript, Android, C++, MongoDB.

• Developed games and applications using Flashlite, ActionScript, C++, Qt, and, JavaScript for the platforms used by Nokia such as MeeGo, Maemo, and Symbian.
• Took ownership and development of a Bejeweled game which was a personal game at the beginning and was very welcome to continue its development to publish on the store.
• Developed a semi-automatic tool on Java using Jenkins to generate unit tests for mobile applications.
• Won 2nd place on a Hackton’s company once as an Intern.