Marta Wroblewska
Database administrator
Wroclaw · +48 123 456 789 · marta.wroblewska@example.com
Professional profile
Database administrator with 8 years of experience, the last 4 at an online retailer. I maintain 40 PostgreSQL and SQL Server instances with 18 TB of data in total, replication, backup and restore, performance and access rights. The slowest queries in the shop are 70% faster, and the main database was migrated to a new version with less than 10 minutes of downtime.
Work experience
Database administrator
02.2022 - presentOnline retailer, Wroclaw
- Maintaining 40 PostgreSQL and SQL Server instances, 18 TB of data in total.
- Replication and failover, 99.95% availability of the main database.
- Backups and regular restore tests.
- Tuning queries and indexes, the slowest queries 70% faster.
- Migrating the main database to a new version with under 10 minutes of downtime, access rights and access audits.
Database developer
07.2017 - 01.2022Bank, Wroclaw
- Procedures and reports in Oracle.
- Query optimisation.
- Supporting the administration team.
Education
Master's degree, computer science
2012 - 2017Wroclaw University of Science and Technology
Skills
- PostgreSQL and SQL Server
- Oracle
- Query performance and indexes
- Replication and high availability
- Backup and restore
- Migrations and automation
Certificates
- PostgreSQL administration certificate, 2022
- Microsoft cloud database administration certificate, 2023
- Python for automation course, 2021
Languages
- English: C1
Additional information
- On-call duty outside working hours
I hereby consent to the processing of my personal data for the purposes necessary to carry out the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 (GDPR).