William De Magalhaes Pereira
William De Magalhaes Pereira

Platform Engineer / Cloud Platform Engineer

Open to offers · Member since 11 Oct 2026
Location
São Paulo, Brazil
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Lead

About

Professional summary

I am a Senior Platform and Cloud Engineer with more than 10 years of experience in IT, specializing in AWS cloud architecture, Infrastructure as Code, and database platform engineering.

I design and evolve scalable, self-service cloud platforms for large multi-account AWS environments. My core strengths include Terraform, Python, GitHub Actions, SQL, and automation of database infrastructure.

I have extensive experience with AWS database services including RDS, Aurora, DynamoDB, ElastiCache, Redis, Valkey, OpenSearch, and DMS. I focus on high availability, resiliency, operational excellence, backup strategies, engine upgrades, and parameter management.

As a technical lead, I guide technical decisions, prioritize demand, resolve complex incidents, and collaborate with stakeholders and engineering teams to deliver platform capabilities aligned with business needs.

My background also includes data engineering, ETL development, Hadoop, Spark, PySpark, Hive, and analytical reporting. I am comfortable translating technical requirements into reliable solutions and actionable insights.

I hold a postgraduate qualification in Software Architecture, a Bachelor's degree in Computer Science, and AWS certifications including AWS Certified Solutions Architect – Associate.

Skills

27 capabilities

Tech stack & tools

Working toolkit

Analytics

Application Hosting

Data Stores

Monitoring

Experience

Career history

IT Engineering Analyst (Technical Lead) Itaú Unibanco

Architected, maintained, and evolved AWS database platform products across a multi-account ecosystem spanning thousands of accounts. Supported services including RDS, Aurora, DynamoDB, ElastiCache, Valkey, Redis, OpenSearch, and AWS DMS.

Engineered self-service automation platforms and infrastructure using Terraform, GitHub Actions, Python, and SQL to streamline cloud resource provisioning and database script execution across multiple AWS accounts.

Led database operational excellence and platform evolution, including automation, product pipelines, engine upgrades, parameter management, and backup and export strategies. Served as Technical Lead for the Cloud Data team, directing technical decisions, delivery ownership, prioritization, incident troubleshooting, and stakeholder alignment.

Big Data Developer Everis

Worked as a Data Engineer on the ENEL project, developing and maintaining data ingestion and ETL processes within the Hadoop ecosystem using HDFS and Hive.

Created Spark and PySpark scripts for data transformation, processing, and technical analysis supporting large-scale data workflows.

Built analytical reports and dashboards with Spotfire and Tableau, translating technical requirements into actionable data insights.

Junior IT Support MWG Soluções

Provided technical support to end users for workstations, software, and general IT-related issues.

Performed data table manipulation and routine data-handling activities for internal operational needs.

Developed reports and organized information to support business and technical teams.

Education

Learning history

FIAP

Postgraduate, Software Architecture

Postgraduate program in Software Architecture.

UNINOVE

Bachelor's Degree, Computer Science

Bachelor's degree in Computer Science.

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