RaphaelCollin

Software Engineer

Currently, I am part of the fraud prevention team at Mercado Livre, serving as a Software Engineer. I am responsible for significantly contributing to the design and implementation of a range of credit products within the fraud prevention ecosystem, utilizing advanced skills in Golang and Java.

My contributions have been crucial to the development of innovative solutions that have resulted in a monthly saving of millions of dollars for the company, while also enhancing user experience, ensuring safer and more efficient transactions.

Furthermore, I maintain direct contact with various types of databases and messaging services, leveraging cutting-edge technologies to ensure the effectiveness and reliability of the implemented systems.

Software Engineer

Consistent experience as a Software Engineer in a challenging and dynamic environment within a global-scale credit card issuer/processor. Responsible for actively contributing to the development and maintenance of a resilient and highly scalable system, processing over $10 billion in transactions annually.

Successfully conceived and implemented an innovative project introducing a new payment method, significantly optimizing user experience.

Fullstack Developer

I actively contributed as a Software Developer in a dynamic logistics startup, playing a key role in the successful design and implementation of an innovative system from scratch, which quickly attracted thousands of users within weeks.

Utilizing a variety of cutting-edge technologies, including Java 11, Spring MVC, Spring WebFlux, Golang, PostgreSQL, DynamoDB, MongoDB, SQS, and SNS, I played an integral role in developing the robust and highly scalable backend that powered our platform. Additionally, I worked with CI/CD tools such as CircleCI and Jenkins.

Fullstack Developer

I played a significant role as an intern at a consulting firm specialized in on-demand software production for various clients. Responsible for a wide range of activities, from direct client interaction to project design and implementation, I made significant contributions to the company's revenue and reputation, ensuring the delivery of projects with quality and within the specified timeframe.

I was instrumental in the development of web applications using cutting-edge technologies such as PHP, Laravel, Vue.js, Bootstrap, and Tailwind, demonstrating strong skills in interface development and creating engaging user experiences. Additionally, I implemented integrations with renowned external services, including Mercado Pago Payments, Stripe Subscriptions, and Google Speech-Recognition, expanding the functional capabilities of the developed applications.