Hello, I'm Ismael 👋

Backend Engineer | Cloud-Native Systems | AI Enthusiast

• 🎓 Bachelor’s Degree in Information Systems (2020) – Faculdade Metodista Granbery

• 📍 Juiz de Fora - MG - Brazil (Open to Remote & International Opportunities)

• 💼 6+ years building scalable, high-availability backend systems

• ☁️ Google Cloud Platform | Terraform | Distributed Systems

• 🚀 Golang | Node.js | TypeScript

• 🏗️ Open Banking APIs | Event-Driven Architecture | Pub/Sub

• 🤖 Currently deepening my knowledge in Artificial Intelligence, Machine Learning & AI-driven systems – Postgraduation at UNIPDS (Applied AI Engineering)

• 🔎 Passionate about system design, scalability, performance & intelligent architectures

• 🎯 Strong ownership mindset — from architecture to production, reliability & cost optimization

🔥 Featured Projects

🏦 Open Banking API — Nationwide Production Rollout

• Designed and implemented a high-scale Open Banking API in Brazil
• Built using Golang, Node.js, SQL and Google Cloud Platform
• Delivered secure, compliant and production-ready endpoints
• Supported large transaction volumes with high availability

End-to-end ownership from architecture design to production deployment.

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☁️ Event-Driven Architecture (Pub/Sub)

• Architected and initiated an asynchronous event-driven system from scratch
• Implemented Pub/Sub communication patterns between services
• Improved scalability, service decoupling and system reliability
• Designed retry strategies and resilient message processing

Shifted the platform toward distributed and cloud-native architecture.

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💰 Infrastructure as Code & Cost Optimization

• Established Terraform-based infrastructure provisioning
• Standardized environment configuration and deployment workflows
• Reduced monthly infrastructure costs by over USD 1,000

Combined engineering quality with financial ownership.

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🛡️ Disaster Recovery Plan (45-min SLA)

• Designed and implemented a complete Disaster Recovery strategy
• Defined recovery procedures and system restoration flow
• Ensured critical services could be restored within a 45-minute SLA

Strengthened operational resilience of mission-critical systems.

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🏗️ Banking-as-a-Service (BaaS) Product

• Led backend development of a BaaS solution
• Integrated third-party APIs for risk analysis and fraud prevention
• Processed BRL 60,500+ in transactions
• Took ownership of production monitoring and performance tuning

Delivered a revenue-impacting financial product from architecture to production.

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📫 Let’s connect

LinkedIn | Email