Giovanni Martinez · Database Support Engineer at Tiger Data
About me · LinkedIn · gio@thepostgresguy.com
Technical Skills
Databases
PostgreSQL (more than a decade), TimescaleDB, SQL Server, Cassandra, MongoDB, MySQL
Cloud & Infra
AWS, Azure, Kubernetes, Docker, Terraform, Puppet
Data Engineering
Apache Airflow, Argo Workflows, Liquibase, CI/CD pipelines
Programming
Python, Go, SQL (T-SQL, PL/pgSQL), Bash, TypeScript
AI/ML
Amazon Bedrock, Ollama (local LLMs), pydantic-ai
Security
TDE, CDC, HIPAA, SOC 2, access control
Experience
Database Support Engineer
Tiger Data · May 2026 – Present
- Technical support for PostgreSQL and TimescaleDB performance issues
- Implement hypertables, compression strategies, and continuous aggregates
- Analyze complex query execution plans and resolve bottlenecks
- Test new TimescaleDB and Agentic PostgreSQL features
Database Administrator / Senior DBA
CoverMyMeds (McKesson) · Feb 2022 – Apr 2026
- PostgreSQL performance and stability on terabyte-scale production
- Datadog-based monitoring and real-time alerting
- Database deployments in Kubernetes (CloudNativePG, Liquibase CI/CD)
- Mentored team in Python, PostgreSQL, Kubernetes, and Terraform
Senior Database Architect
KCF Technologies · Dec 2020 – Feb 2022
- PostgreSQL server monitoring, maintenance, and optimization
- Index tuning, query optimization, and scalable schema design
Platform Operations Engineer / DBA
Aspect Software · Jun 2016 – Dec 2020
- Cassandra, PostgreSQL, MongoDB, MySQL, SQL Server support
- Zero-downtime MongoDB upgrade
- Platform provisioning automation (Bash/Python/PowerShell)
Database and Systems Administrator
EDP University of Puerto Rico · Jan 2012 – Jun 2016
- SQL Server production instances and maintenance
- SSIS packages, reports, and automations
Certifications
Cloud & AI
- Azure AI Fundamentals (AI-900)
- Azure AI Engineer Associate
- Azure Solutions Architect Expert
- Azure Administrator Associate
Kubernetes
- CKA: Certified Kubernetes Administrator
- CAPA: Certified Argo Project Associate
Education
Master’s, Information Security and Assurance
Western Governors University
Bachelor’s, Information Systems – Networks
EDP University of Puerto Rico