Rafael F.

Senior Backend Developer

Rafael is a highly skilled software engineer with over a decade of experience in Backend engineering and full lifecycle product development. His technical expertise spans Golang, JavaScript, and C#, enabling him to create robust architectures and scalable backend components.

With a focus on e-commerce, marketplaces, and payments innovation, Rafael has collaborated on projects for leading e-commerce platforms and contributed to the most prominent payment gateway in Latin America.

In addition to his work in the private sector, Rafael has played a critical role in public initiatives. He helped architect the migration of cultural services for the Secretaria de Cultura do Rio de Janeiro, streamlining operations for the department. Known for his optimistic, open-minded approach, Rafael fosters collaboration and innovation in every project he undertakes.

Huvudsaklig expertis

Golang 5 år
Java 4 år
AWS 4 år

Andra kompetenser

Rafael F.

Brazil

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Anställningar

Senior Backend Engineer

One More DMCC (via Proxify) - 1 år 3 månader
- Designed and implemented scalable data pipelines using Dagster, Mage, DBT, and ClickHouse
- Built and optimized event tracking, transformation, and attribution systems for various ad platforms (Google, Meta, TikTok, Facebook, Taboola)
- Developed webhook connectors and integrated APIs for Shopify, Shopware, Perspective, Woocommerce, and Elopage
- Implemented observability infrastructure including metrics, tracing, and logging with Grafana, Loki, Prometheus, and OpenTelemetry
- Led architecture and implementation of custom query systems (OneQL) with JSON-to-SQL translation and validation
- Developed authorization middleware using AWS Cognito groups and implemented fine-grained role-based access control
- Integrated and extended Fivetran connectors, managed schema migrations, and built support for custom data models
- Researched and prototyped ETL/ELT tooling using Temporal, Airbyte, and PyAirbyte for connector orchestration
- Wrote extensive integration tests, improved performance and reliability, and contributed to system-wide refactors
Technologies: Go, Python, ClickHouse, DBT, Dagster, Mage, Kafka, Redis, Grafana, OpenTelemetry, Prometheus, Fivetran, Airbyte, AWS, SQLAlchemy, REST APIs
Teknologier:
- Teknologier:
- AWS
- Redis
- Golang
- Python
- Apache Kafka
- Grafana
- REST API
- SQLAlchemy
- Dagster
- dbt
- ClickHouse
- Prometheus
- OpenTelemetry
Senior Software Engineer

X-Team - 3 år 3 månader
- Working as a Contractor to FOX Broadcasting.
- Hold the position of a Senior Software Engineer
- Working on the Keystone team, which is responsible for the core services (written and Golang and NodeJS) like the pipeline responsible for ingesting new data.
- Worked on scripts and automated tools such as Slack commands in Python
Teknologier:
- Teknologier:
- AWS
- Golang
- Python
- AWS SQS
- AWS Lambda
- AWS S3
Senior Software Engineer

Mercadolibre - 2 år
- Mercadolibre is the biggest e-commerce platform in Latin America.
- Worked at the cross-docking team of Mercado Envios (Mercadolibre’s solution to delivery).
- Working to improve the IT solutions deployed on Mercadolibre’s hubs, building applications focused on performance gain, defensive development, cache control, asynchronous process, high-performance databases, log control, and microservices scalability.
Teknologier:
- Teknologier:
- Cassandra
- Golang
- Microservices
- DataDog
- gRPC
FullStack Engineer

Braspag - 2 år 2 månader
- Had the opportunity to work on the most significant payment gateway in Latin America. This experience made him enthusiastic about innovations in the payment market.
- Created React web apps using Redux
Teknologier:
- Teknologier:
- React.js
- Node.js
- C#
- Redux.js
- .NET Core
Fullstack Engineer

Secretaria de Cultura Do Rio de Janeiro - 9 månader
- Participated and helped to architect the migrations of the Culture Department's services from an on-premise server to a public Cloud (AWS).
- Created public APIs written in Python using Django
Teknologier:
- Teknologier:
- JavaScript
- HTML
- Python
Programmer

Sistema Firjan - 1 år 10 månader
- Firjan is a company owner of SENAI institution in Brazil, which is an excellent institution of technical courses
- Rafael took his first steps in the computer programming world, and as a final project of this course, he built a Control Access System for the school using RFID technology; with the project's success, he was contracted as a programmer to implement it in other schools.