Skill

Databases

I model, build, and administer data layers that stay fast to query, safe to store, and reliable as they grow, using the right database for each job.

MySQLPostgreSQLMongoDBDB Administration

What I do with it

What I do to keep data structured, fast, and trustworthy.

Data modeling

Design clean schemas and relationships that fit how the product works.

Relational databases

Build and manage MySQL and PostgreSQL for structured data.

NoSQL (MongoDB)

Use document databases where flexible, schema-light data fits better.

Query optimization

Add indexes and tune queries so data loads fast, even at scale.

Backups & recovery

Reliable backups and restore plans so data is never lost.

Administration & security

Access control, encryption, and safe day-to-day administration.

The tools I use

The specific technologies in this area, and what I reach for each one to do.

MySQL

Relational database for structured application data.

PostgreSQL

Powerful relational database for complex, reliable data needs.

MongoDB

Document database for flexible, schema-light data.

DB Administration

Backups, indexing, access control, and performance tuning.

Where I apply it

  • Building application data layers
  • Powering reports and dashboards
  • Migrating and restructuring data
  • Tuning slow databases for speed
  • Keeping data secure and backed up

Good to know

The right data model early saves a lot of pain later. I choose relational or document databases based on the data and access patterns, not habit.

Back to all skills

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Related skills

Areas I combine with this to deliver complete solutions.