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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

(Currently working on scalable software solutions in a high-impact environment.)

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

📍 Portugal

  • Led the modernization of a legacy payment platform using Java & Golang
  • Spearheaded the migration to an event-driven architecture, enhancing scalability & performance
  • Worked on a project for Africa’s largest marketplace, ensuring seamless integration and communication

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

📍 São Paulo, Brazil

  • Improved post-purchase workflows, enhancing user experience across Latin America
  • Contributed to Mercado Livre's marketplace and Mercado Pago’s fintech solutions
  • Utilized Node.js, Golang, Java (Spring Framework)

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

📍 São Paulo, Brazil

  • Played a key role in the ITCR project, transitioning internal and external consumers to integrate with the new cloud-based API
  • Led AWS cloud migration efforts, optimizing API Orchestrators through gRPC communication over Istio Service Mesh on Kubernetes
  • Led AOT with GraalVM migration, optimizing cost efficiency and auto-scaling response times

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

📍 São Paulo, Brazil

  • Contributed to the mainframe-to-microservices migration in the ITCR project
  • Developed RESTful APIs and optimized backend performance using Java 8 & Apache Camel
  • Migrated Java services from Apache Camel to Spring Boot
  • Upgraded Java applications from Java 8 to Java 11 and migrated from on-premise VM to OpenShift Kubernetes
  • Monitored system performance using Grafana & Splunk, ensuring 99.9% uptime

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

📍 São Paulo, Brazil

  • Developed TrustFranquias, a fintech solution streamlining banking operations for franchisees
  • Enhanced financial data processing using Java 8, Spring Framework, SQL Server, MongoDB

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

📍 São Paulo, Brazil

  • Developed custom healthcare platforms, ensuring scalability and security
  • Built and maintained backend systems with PHP, Laravel, Zend Framework, MySQL

🛠 Tech Stack & Skills

💻 Programming & Frameworks

Java Golang Node.js Kotlin Python Scala PHP Bash


☁️ Cloud & DevOps

AWS

  • Route53, CloudFront, API Gateway
  • Lambda (NodeJS) & Lambda@Edge
  • S3 Bucket, DynamoDB, EC2 (AutoScale)
  • EKS, SQS, SNS, MSK

Cloudflare

🛠️ CI/CD Pipelines

GitHub Actions Jenkins

🐳 Containers & Automation

Docker Helm Chart
Chef, Ansible, Docker Compose


🗄️ Databases & Storage

PostgreSQL SQL Server Cassandra MongoDB DynamoDB Redis


📫 Let's Connect!

LinkedIn
GitHub


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

Pinned Loading

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

    Spring boot demo on ElK Stack

    Java 7

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

    Python 4