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thukabjj/README.md

👋 Hey there! I'm Arthur Costa 🚀

Software Engineer | Java | Golang | Cloud | Distributed Systems

Passionate about building scalable, reliable, and high-performance software solutions.


💡 About Me

  • 🏗️ 5+ years of experience in Software Engineering
  • ⚙️ Expertise in Java, Golang, AWS, Microservices, and Distributed Systems
  • 📖 Currently studying Designing Data-Intensive Applications by Martin Kleppmann
  • 🎯 Passionate about system architecture, scalability, and performance optimization
  • 🤝 Strong believer in teamwork, clear communication, and continuous learning

💼 Work Experience

🚀 FanDuel (Blip.pt) | Software Engineer (June 2023 – Present)

📍 Porto, Portugal

  • Developed and maintained event-driven microservices using Java, Scala, and Kotlin for a leading online sports betting platform.
  • Improved system reliability via distributed tracing, log standardization, and load testing.
  • Created and maintained serverless AWS solutions using Node.js & DynamoDB, reducing infrastructure costs and enhancing scalability.
  • Built observability solutions and participated in on-call rotation, ensuring system stability.

🔹 Multivision Consulting | Software Engineer (Oct 2022 – June 2023)

📍 Porto, Portugal

  • Developed and enhanced JumiaPay services for Africa’s largest marketplace, optimizing transaction performance.
  • Worked with Java, Golang, Spring Boot, Kafka, Docker, Kubernetes.

🔹 Mercado Livre | Software Engineer (Oct 2021 – Oct 2022)

📍 São Paulo, Brazil

  • Maintained post-purchase services, enhancing LATAM customer experience.
  • Utilized Node.js, Golang, Java (Spring Boot), ReactJS, MySQL, Redis.

🏦 Itaú Unibanco | Software Engineer (Apr 2021 – Oct 2021)

📍 São Paulo, Brazil

  • Migrated a renegotiation system to a hybrid cloud architecture.
  • Implemented business rules using IBM Operations Decision Management, Java, Spring Boot.

🏦 Itaú Unibanco | Associate Software Engineer (Jul 2019 – Apr 2021)

📍 São Paulo, Brazil

  • Migrated mainframe systems to microservices on OpenShift Kubernetes.
  • Developed REST APIs, optimized performance, and upgraded Java applications from Java 8 to Java 11.
  • Implemented Grafana & Splunk monitoring, ensuring 99.9% uptime.

💰 TrustHub | Associate Software Engineer (Nov 2018 – June 2019)

📍 São Paulo, Brazil

  • Developed a custom fintech CRM for franchisees, using Java, Spring, MongoDB, Grafana, Kibana.

🏥 CODDING DEVELOPING IDEAS | Associate Software Engineer (Feb 2017 – Oct 2018)

📍 São Paulo, Brazil

  • Built and maintained healthcare platforms using PHP, Laravel, Zend Framework, MySQL.

🛠 Tech Stack & Skills

💻 Programming & Frameworks

Java
Golang
Scala
Kotlin
Node.js

☁️ Cloud & DevOps

AWS

  • EC2, EKS, Lambda, S3, DynamoDB, SQS, API Gateway

🛠️ CI/CD Pipelines

GitHub Actions
Jenkins
Buildkite

🐳 Containers & Automation

Docker
Helm

🗄️ Databases & Storage

PostgreSQL
MongoDB
Redis


🏆 Soft Skills

  • Teamwork: Thrives in cross-functional collaboration
  • Problem-Solving: Enjoys tackling complex technical challenges
  • Communication: Bridges the gap between tech & business stakeholders
  • Adaptability: Quickly adjusts to new technologies & project needs

🎓 Education

🎓 Associate's Degree in System Analysis and Development
📍 Centro Universitário FMU | FIAM-FAAM (2016 - 2018)


📫 Let's Connect!

LinkedIn
GitHub


If you like my work, feel free to fork and ⭐ my GitHub repos! 🚀


🔥 What’s New?

📖 Currently reading Designing Data-Intensive Applications
💡 Experimenting with GraalVM & Rust for performance tuning

Pinned Loading

  1. spring-boot-elasticsearch spring-boot-elasticsearch Public

    Spring boot demo on ElK Stack

    Java 8

  2. worker-pool-pattern worker-pool-pattern Public

    Python 4