Summary
CTO & Founder of iroot.tech with nearly two decades building resilient, high-performance PostgreSQL
architectures for mission-critical environments. Specializing in the most complex scenarios: critical version
migrations with minimal downtime, Multi-tenant architectures, and High Availability environments sustaining
millions of daily transactions. Delivers 99.99% uptime via Patroni-based HA and Streaming Replication,
significant query response time reductions through performance tuning, and minimal-downtime migrations
using carefully planned upgrade strategies. Serves as technical backbone for engineering teams at iroot.tech
and Timbira — from Disaster Recovery plans and pgBackRest backup strategies to full database architecture
reviews. Connects with CTOs, Engineering Managers, and Data Engineers facing scale and security challenges
in PostgreSQL.
Professional Experience
iroot.tech
Proprietário & CTO — Founder
October 2021 – Present · 4 years 6 months · Brazil
Founded iroot.tech to provide specialized PostgreSQL support and consulting for companies in
mission-critical environments where database failure is not an option. Led High Availability
PostgreSQL architectures (Patroni + Streaming Replication) for multiple clients, achieving
required availability SLAs. Developed and implemented Disaster Recovery Plans (DRP/BIA) and
pgBackRest backup strategies across e-commerce, SaaS, Food Service, Industry, Retail, and
financial sectors. Built automation pipelines with Ansible and Bash, reducing manual intervention
and human error. Reduced production incidents through proactive integrity verification and
automated monitoring with Zabbix.
Stack: PostgreSQL · pgBackRest · Patroni · Ansible · Zabbix · Python · Bash · Linux · Cloud infrastructure
Timbira — Brazil's Leading PostgreSQL Consulting Firm
PostgreSQL Database Administrator & Consultant
October 2021 – Present · 4 years 6 months · Brazil
Provide specialized DBA support across the full lifecycle of PostgreSQL environments for enterprise
clients. Designed and implemented pgBackRest backup/recovery strategies ensuring RTO/RPO compliance
for high-traffic production databases. Performed SQL tuning and query optimization across complex
workloads with millions of daily transactions. Architected High Availability setups (Streaming
Replication, Patroni, pgLogical) for near-zero downtime requirements. Conducted database health
checks and PostgreSQL environment audits, identifying risks and delivering actionable remediation
plans. Supported major version migrations with minimal downtime using logical replication strategies.
Stack: PostgreSQL · pgBackRest · Patroni · pgLogical · Python · Bash · Linux · Data Modeling · Security
Proabakus Desenvolvimento de Sistemas
DBA PostgreSQL, SysAdmin & DevOps
March 2016 – October 2021 · 5 years 8 months · Eusébio, Ceará
Full management and evolution of a large-scale cloud PostgreSQL server infrastructure supporting
hundreds of clients. Architected Multi-tenant PostgreSQL infrastructure enabling secure data
segregation for 100+ clients with zero cross-contamination incidents. Scaled database servers
using Master-Replica replication, supporting rapid user base growth while maintaining performance
and stability. Automated DB migration and versioning workflows, eliminating manual deployment
errors. Implemented server hardening and firewall policies (Linux Security), strengthening the
overall security posture of the database layer.
Stack: PostgreSQL · Python · Ansible · Bash · Linux Security · Master-Replica Replication · DB Migrations
Polibrasnet Brasil Softwares LTDA
Development and Infrastructure Manager
December 2011 – February 2016 · 4 years 3 months
Led the Development and Infrastructure department, coordinating internal and external software
delivery while managing the technical team. Managed strategic planning for the development sector,
aligning technical roadmap with business objectives. Coordinated code reviews and performance
optimization across multiple internal products. Evaluated and implemented new tools, platforms,
and development standards. Drove process improvements that increased team delivery consistency.
Stack: PostgreSQL · SQL · Linux · Internal Tooling
Polibrasnet Brasil Softwares LTDA
Mid-Level Support Analyst
November 2009 – November 2011 · 2 years 1 month
Managed PostgreSQL databases, developing tools to optimize processes and reduce operational time.
Created and maintained process documentation (operational procedures and flowcharts). Applied
and defined security policies for systems and databases.
Stack: PostgreSQL · SQL · Linux · Security Policies
Polibrasnet Brasil Softwares LTDA
Trainee Programmer
June 2006 – November 2009 · 3 years 6 months
Entry-level position where the journey with PostgreSQL, SQL, and Bash scripting began —
the foundation of a career as a database specialist.
Stack: PostgreSQL · SQL · Bash
Sertões OFF Road
ERP Service Provider
October 2004 – May 2006 · 1 year 8 months
Operator and ERP software support specialist.
Grupo Edson Queiroz
IT Intern — Help Desk
January 2001 – June 2004 · 3 years 6 months
Help Desk support: Windows and Linux installation, printers, and end-user technical support.