Guilherme Francalacci

AWS Cloud Engineer & Database Specialist

I design, implement, and optimize cloud solutions with a focus on database performance, security, and reliability.

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AWS Certified

About Me

I'm an analytical and technically proficient IT professional with 12+ years of experience, specializing in AWS Cloud Engineering and Database Administration. My expertise spans across designing, implementing, and optimizing cloud solutions with a strong focus on database performance, security, and reliability.

With hands-on experience in AWS services (EC2, RDS, S3, IAM, CloudWatch) and database technologies (PostgreSQL, MySQL), I help organizations migrate to the cloud, optimize their database performance, and implement robust security measures.

When I'm not architecting cloud solutions or tuning databases, you can find me learning new technologies, contributing to open-source projects, or sharing knowledge with the tech community.

My Skills

AWS Cloud EC2 RDS S3 IAM CloudWatch PostgreSQL MySQL SQL Optimization Database Security Linux Bash Scripting Terraform Docker

Quick Facts

Windows

Microsoft Partner

Cisco Certified

Routing & Switching

Optical Fibre

Furukawa Certified

Languages

English (Fluent), Portuguese (Native)

Connect With Me

Professional Experience

Edenred Payment Technologies, United Kingdom

2024 – Present
UAT Support Engineer Cloud & Database Focus

Ensuring operational stability, integrity, administration, and performance of database environments (MySQL, PostgreSQL) supporting critical UAT platforms with AWS-hosted elements.

  • Engineered SQL-driven validation processes to ensure data accuracy in financial applications
  • Resolved complex database issues related to connectivity, data corruption, and query performance
  • Developed automation scripts (Postman, Java/JavaScript) improving operational efficiency by ~20%
  • Supported AWS-hosted databases (EC2, IAM) ensuring data availability and consistent performance

Edenred Payment Solutions, United Kingdom

2021 – 2023
UAT Analyst

Provided technical UAT support with focus on data validation and database integrity for 10+ major projects.

  • Led data validation for new software releases using advanced SQL analysis
  • Investigated root causes of complex data-related defects with SQL queries
  • Contributed to test data generation strategies modeling production scenarios

Self-Employment, Multiple Countries

2014 – Present
ICT Analyst and Developer / Database Consultant

Delivered IT solutions including database design, setup, configuration, and administration for diverse clients.

  • Designed and implemented MySQL/PostgreSQL database schemas for web applications
  • Built full-stack applications with optimized database backends
  • Provided ongoing database administration and performance tuning
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Featured Projects

Database Migration to AWS RDS

Migrated on-premise MySQL databases to AWS RDS with minimal downtime, implementing monitoring and backup strategies.

AWS RDS MySQL CloudWatch Backup

EC2 Auto-Scaling Solution

Designed and implemented an auto-scaling solution for web applications on AWS EC2 with Terraform.

EC2 Auto Scaling Terraform Load Balancing

Database Security Hardening

Implemented security best practices for PostgreSQL databases including encryption, IAM roles, and audit logging.

PostgreSQL Security Encryption IAM
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