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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Guilherme Francalacci

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 EngineerCloud & 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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