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ARISECloud Solutions

Leonardo Maia Costa

Curitiba, Paraná, Brazil
Available for Remote Opportunities
20+
Years Experience
190+
Projects Delivered
11
Companies

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Professional Summary

I'm a seasoned fullstack and cloud engineer with over 20 years of experience, having worked across a wide range of technologies — from legacy enterprise systems to modern cloud-native architectures.

In recent years, I've been focused on high-impact backend and infrastructure projects involving containerization, Kubernetes (AKS), CI/CD pipelines, and cloud migration strategies. My latest work includes helping refactor and migrate a large-scale financial system from AWS to Azure, in collaboration with international teams and Microsoft engineers.

I value clean architecture, scalability, and simplicity. I'm English Advanced and I'm currently looking for remote-first opportunities where I can contribute to meaningful systems and help scale backend and cloud infrastructure in fast-moving teams.

Professional Experience

Over two decades building enterprise systems and cloud infrastructure

Cloud Solution Architect

Pluz Tecnologia

Microsoft Partner

Remote
Rio de Janeiro, Brasil

Led full-cycle modernization of a mission-critical financial system during AWS to Azure migration. Re-architected 25+ microservices, implemented Helm/KEDA/Dapr workflows, and designed load testing strategies with K6/Locust. Worked 100% in English with Microsoft engineers and multi-national teams.

  • MySQL
  • MongoDB
  • Docker
  • AKS
  • KEDA
  • RabbitMQ
  • TypeScript
  • Terraform

Software Engineer / Cloud Architect

CSI - Solução & Tecnologia

Red Hat Partner

Remote
Espírito Santo, Brasil

Led development of E-COPS secure video platform (WebRTC, 99.99% uptime) and contributed to Banestes banking modernization, translating decades of COBOL logic into event-driven Kafka/Quarkus microservices on OpenShift.

  • React
  • React
  • React
  • React
  • React
  • NestJS
  • NestJS
  • NestJS
  • +37 more

Full Stack Developer

Pluz Tecnologia

Google Cloud Partner

Remote
Curitiba, Paraná, Brasil

Co-designed microservice architecture for VM provisioning platform on GCP. Built Golang APIs for Kubernetes-managed VMs, integrated Apache Guacamole for browser-based remote desktop, and facial recognition via Compreface.

  • Golang
  • Golang
  • Golang
  • Golang
  • Golang
  • Symfony
  • Symfony
  • Symfony
  • +37 more

Full Stack & Infrastructure Engineer

Brookerhunter

SaaS Platform

Remote
Balneário Camboriú, SC, Brasil

Optimized Elasticsearch indexing from 30 min to 30 seconds (98.3% improvement). Managed multi-tenant DigitalOcean infrastructure and automated Nginx/Cloudflare subdomain provisioning.

  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Docker
  • Docker
  • Docker
  • +22 more

Full Stack & Cloud Developer

SóCarrão.com

Automotive Platform

Curitiba, Paraná, Brasil

Migrated search from Sphinx to Elasticsearch, implemented AWS Lambda/Firehose pipelines. Cut AWS costs by 50% through architectural optimization during pandemic-driven restructuring.

  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • PHP
  • PHP
  • PHP
  • +32 more

Tech Lead · Full Stack Engineer

Chaves Na Mão

Real Estate Platform

Curitiba, Paraná, Brasil

Led engineering at major real estate platform. Migrated to Elasticsearch, increased retention 200% and page views 6×. Introduced React/Next.js, containerization, and modern DevOps practices.

  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Elasticsearch
  • Logstash
  • Logstash
  • Logstash
  • +47 more

Senior Systems Analyst

Grupo RIC Paraná

Media Company

Curitiba, Paraná, Brasil

Built RIC Mais news portal with Symfony, handling 25,000+ concurrent users during live political debates. Increased reader retention 400% through infinite scroll and UX improvements.

  • PHP
  • PHP
  • PHP
  • PHP
  • PHP
  • Symfony
  • Symfony
  • Symfony
  • +17 more

Founder & Senior Consultant

FPinfo / Meu Website Novo

Founder & Consultant

Founder
Curitiba, Paraná, Brasil

Founded FPinfo/Meu Website Novo, delivering 190+ projects across real estate, hospitality, telecom, and government sectors. Built modular ERP adopted by 20+ companies with NF-e integration.

  • PHP
  • PHP
  • PHP
  • PHP
  • PHP
  • MySQL
  • MySQL
  • MySQL
  • +27 more

Systems Analyst

Dbm Contact Center

Enterprise

Curitiba, Paraná, Brasil

Maintained 16 enterprise systems in Java/J2EE and ASP. Designed and developed systems for Compagas and Ecovia clients from scratch.

  • Java
  • Java
  • Java
  • Java
  • Java
  • JavaScript
  • JavaScript
  • JavaScript
  • +7 more

Systems Analyst

TIM Brasil

Telecom

Curitiba, Paraná, Brasil

Created CVC (Customer Sales Control), nationally adopted sales tracking platform. Presented and deployed system at TIM headquarters in Rio de Janeiro.

  • JavaScript
  • JavaScript
  • JavaScript
  • JavaScript
  • JavaScript
  • Oracle
  • Oracle
  • Oracle
  • +2 more

Systems Analyst

Sanepar

Government

Curitiba, Paraná, Brasil

Developed SAM inventory control system on Mainframe using Natural/ADABAS. Converted legacy COBOL programs, gaining enterprise systems foundation.

    Technical Expertise

    Core technologies I work with on a daily basis

    ☁️

    Cloud Platforms

    Azure (AKS)☁️AWS☁️GCP☁️Cloudflare🌊DigitalOcean
    🐳

    Containers & Orchestration

    ☸️Kubernetes🐋DockerHelm🔴OpenShift📈KEDA🔷Dapr🌐Istio
    ⚙️

    Backend Development

    📜Java🔷Golang🟢Node.js📘TypeScript🐘PHP
    🔧

    Backend Development

    🏗️NestJS🚂Express🎵Symfony🔺LaravelGrails
    🎨

    Frontend Development

    ⚛️ReactNext.js🅰️Angular📘TypeScriptGraphQL
    🚀

    Infrastructure as Code

    OpenTofu☁️Pulumi🔄ArgoCDGitHub Actions🦊GitLab CI/CDAzure DevOps
    📊

    Backend Development

    📊Prometheus📈Grafana🔍OpenTelemetry🔍ElasticsearchKibanaK6
    🗄️

    Data & Messaging

    📨Kafka🐰RabbitMQ🔴Redis🐘PostgreSQL🍃MongoDB🐬MySQL🔶Oracle

    Education

    Federal University of Paraná (UFPR)

    Technology in Information Systems

    Languages

    Portuguese
    Native
    English
    Advanced

    Ready to Work Together?

    Looking for remote opportunities in cloud architecture, platform engineering, or full-stack development.