Mairelin Roque Riely

I worked supporting and adding new features to the CRM used for the client's account activation and billing. I also had the chance to get involved in project analysis and team leadership. In this project, the main stack was Java and Oracle.

I supported and added new features to the ERP system used for the order, invoices, and logistic product store, using Java and Oracle.

Summary of Contributions:

• Enhanced software efficiency by identifying and resolving coding issues, resulting in reduced downtime and improved performance.
• Saved time and resources by proactively identifying and fixing bugs before product deployment, ensuring a smoother launch process.
• Fostered a positive team environment through strong communication and collaborative skills.
• Collaborated with cross-functional teams to deliver high-quality products within tight deadlines, maintaining a focus on excellence and timeliness.

I created a new microservice from scratch to migrate and improve some functionalities of a legacy product.

In the team my main role is to Analysis, Design and implement the API Using technologies as: Java, Spring Boot, REST and gRPC.

Achievements:

- Build a desktop app, that automatizes the reporting working hours process at BairesDev.

I work in a data-gathering product that is responsible for detecting counterfeit products on e-commerce websites. This software scrapes the product catalogue from these websites and sends the data to another system to determine if any product is an imitation.

In the team, my primary role is supporting the project and adding new sites for scraping using technologies: Java, Oracle, and MongoDB.

Achievements

- I improved the process of adding new websites by introducing better task management and proposing a more efficient code architecture, resulting in the reduction of development time from 7/10 days by site to only 3 days.

As a senior developer, I had the opportunity to get involved in several roles:

• Architecture, implementation and DevOps for Vehicle Microlending platform using Android, Scala, Java, Postgres.
• Design and build from scratch a system for monitoring and validation of card transactions for fraud prevention using Golang, Reactjs, and Postgres.
• Create from scratch a mobile payment application with Android
• Build a demonstration of a mobile point of sales with Android.

I created a company to offer custom software development services; my role was to lead a remote development team, deal with client negotiation, project management, and design.

I led the development of a product designed to streamline the issuance of non-criminal certificates for the Public Ministry office. Our team gathered detailed requirements and built a system that not only simplified the process for customer service personnel but also incorporated fraud detection capabilities during document generation.

We also developed a web-based platform that allowed citizens to obtain digitally signed non-criminal record documents online, eliminating the need for in-person visits. This solution utilized a range of technologies, including Java, PHP, Microsoft SQL Server, and Postgres.

Achievements:

- Reduced certificate issuance time from 4 hours to just 10 minutes by optimizing the user experience and enhancing logistics workflows.

I was part of the team of its product for the health industry, with which you could manage from medical appointments to nursing departments. My central role here was to support the system using Java, Oracle, and an in-house tool called Iguax.