const arthur = {
location: "Porto, Portugal 🇵🇹",
role: "Software Engineer @ FanDuel",
experience: "8+ years",
focus: ["Backend Development", "Cloud Architecture", "Distributed Systems"],
currentlyLearning: ["Rust", "AI/LLM Integration", "GraalVM Native"],
currentlyReading: "Designing Data-Intensive Applications",
blog: "tech.ish thoughts",
motto: "Building scalable systems that handle millions of transactions"
};🎯 Passionate about creating robust, scalable, and high-performance software solutions. I love solving complex distributed systems challenges and mentoring fellow developers.
🚀 FanDuel | Software Engineer (Jun 2023 – Present)
📍 Porto, Portugal
- 🏗️ Infrastructure Modernization: Migrated workloads from AWS Outposts to Local Zones, achieving 70% cost reduction across 200+ instances
- ⚡ Real-time Platform: Architected serverless platform on AWS handling high-volume, low-latency workloads
- 🛠️ Automation Tools: Developed tools in Golang (Cobra, Viper) and Python (Flask, Pydantic, MCP, LLM integrations)
- 📊 Load Testing: Designed framework with Locust for multi-region reliability validation
- 🚀 CI/CD Enhancement: Improved pipelines with GoCD, GitHub Actions, Jenkins, cutting deployment times by 70%
- 🔍 Observability: Enhanced monitoring with Datadog, Prometheus, Loki, Grafana, CloudWatch
🔹 Multivision Consulting (Jumia Group) | Software Engineer (Oct 2022 – Jun 2023)
📍 Porto, Portugal
- 🔄 System Re-architecture: Transformed monolithic settlement system to event-driven architecture (Kafka, Debezium, Java, Golang)
- 📈 Performance Improvement: Raised processing success rate from 60% to 90%+
- 🐳 Containerization: Built microservices with Kubernetes and Docker, reducing downtime by 20%
- 📊 Observability: Established ELK stack monitoring for enhanced SLA tracking
🔹 Mercado Livre | Software Engineer (Oct 2021 – Oct 2022)
📍 São Paulo, Brazil
- ⚡ High-Performance Services: Engineered microservices processing 1M+ daily transactions with 99.99% availability
- 🎯 Claim v2 Program: Led initiative cutting claim resolution times by 30%, improving customer NPS across LATAM
- 👥 Mentorship: Guided junior engineers in Java, Golang, Node.js, and scalable architecture patterns
🏦 Itaú Unibanco | Software Engineer (Jul 2019 – Oct 2021)
📍 São Paulo, Brazil
- ☁️ Cloud Migration: Directed mission-critical core banking systems to Hybrid AWS Cloud (EKS, CodePipeline, CodeBuild)
- 🔒 Compliance: Ensured Brazilian Central Bank regulations compliance with 99.9% uptime
- 📊 Monitoring Stack: Implemented Splunk, Grafana, and Prometheus for proactive compliance dashboards
| 🎯 Metric | 📊 Achievement | 💡 Impact |
|---|---|---|
| 💰 Cost Optimization | 70% reduction | $200K+ annual savings |
| 📈 System Reliability | 60% → 90%+ success rate | Enhanced platform stability |
| ⚡ Scale & Performance | 1M+ daily transactions | 99.99% uptime |
| 🚀 DevOps Efficiency | 70% faster deployments | Improved development velocity |
🎓 Associate's Degree in System Analysis and Development 📍 Centro Universitário FMU | FIAM-FAAM (2016 - 2018)
🏅 Certifications
- AWS Certified Cloud Practitioner
- EF SET English Certificate (C2 Proficient)
- 🦀 Rust - System programming and performance optimization
- 🤖 AI/LLM Integration - Building intelligent systems
- 🚀 GraalVM Native - JVM performance optimization
- 📖 "Designing Data-Intensive Applications" - Advanced system design
🔥 Building Scalable Microservices with Event-Driven Architecture
⚡ Infrastructure Cost Optimization: AWS Local Zones vs Outposts
🔍 Implementing Real-time Observability in Distributed Systems
📍 Porto, Portugal
"Building scalable systems that handle millions of transactions while maintaining 99.99% uptime"
⭐ Feel free to explore and star my repositories! ⭐