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ianmiyazato/README.md

Ian Takeo Rocha Miyazato

Software Engineer · Distributed Systems · Cloud Architecture · Go · Node.js · AWS

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What I build

I design and operate distributed backend systems that handle real production scale — high concurrency, event-driven workloads, and millions of monthly users. My work sits at the intersection of system architecture, reliability engineering, and business outcomes: building systems that scale without unnecessary complexity, and teams that ship with confidence.

Currently building career intelligence infrastructure at Borderless Coding (US). Previously at C&A Brasil ($1.5B retail), engineering the distributed systems that power omnichannel commerce at national scale.

Production scale, in numbers

What Result
Concurrency failures resolved across distributed Go services 140M+ monthly transactions · error rate 1.8% → 0.5%
API latency reduction via event-driven architecture (Kafka + SQS) 450ms → 180ms at 500–1,500 RPS
Database layer optimization — zero infrastructure scaling 3–5× faster · 350K daily users sustained

Tech Stack

Languages: Go (Golang) · TypeScript · JavaScript · Python · C# (.NET) · SQL

Backend: Node.js · NestJS · Fastify · FastAPI · .NET Core · GraphQL

Frontend: React · Next.js · React Native · Angular · Tailwind CSS · Electron · Redux

Cloud & DevOps: AWS (EC2, S3, Lambda, ECS, MSK) · Docker · Kubernetes · Terraform · GitHub Actions · Azure DevOps · CI/CD

Databases: PostgreSQL · MongoDB · Oracle · Redis · ClickHouse · Elasticsearch

Messaging: Apache Kafka · RabbitMQ · Amazon SQS · Amazon SNS

Observability: Grafana · Dynatrace · Prometheus · OpenTelemetry · ELK Stack · SonarQube

Architecture: Distributed Systems Design · Event-Driven Architecture · Clean Architecture · DDD · SOLID

GitHub Stats

Ian's GitHub Stats Top Languages

GitHub Streak

São Paulo, Brazil (GMT-3) · Remote

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