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Arthur CostaAC
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Arthur Costa

@arthurcosta2

Senior Backend Developer at Klever building Go services for exchanges, wallets, and security systems.

Brazil
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At Klever, I design and build high-throughput Go services for centralized and decentralized exchanges. I take end-to-end technical ownership of core systems, including the trading engine, wallet infrastructure, and security modules.

I’ve architected microservices that communicate over gRPC and Kafka, using event-driven patterns and Go concurrency primitives. I also work with PostgreSQL query optimization and Redis caching to support high transaction volumes.

At Klever, I deploy and operate services on Kubernetes, GKE, and Cloud Run across GCP and AWS. I use OpenTelemetry, Prometheus, and Grafana to monitor production systems, and built and maintained more than 10 integrations with external networks and third-party APIs.

Previously, at Getty/IO, I developed a Go trading library that unified third-party exchange APIs and built a real-time market data service. As a self-employed Full-Stack Developer, I delivered custom applications with Go backends and TypeScript, React, and Next.js frontends.

Experience

Work history, roles, and key accomplishments

SE

Full-Stack Developer

Self-Employed

Jun 2019 - Aug 2020 (1 year 2 months)

Designed and delivered custom applications from requirements through deployment and maintenance. Built backend services in Go with TypeScript, React, and Next.js frontends, containerized with Docker.

Education

Degrees, certifications, and relevant coursework

Universidade Federal do Espírito Santo logoUS

Universidade Federal do Espírito Santo

Bachelor of Science, Economics

2011 - 2016

Bachelor of Science in Economics from Universidade Federal do Espírito Santo from 2011 to 2016.

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