Senior Database Engineer Maria DB & PostgreSQL

Responsibilities

Strong production experience with MariaDB/MySQL and PostgreSQL.

• Demonstrated experience migrating production relational databases between platforms, preferably MariaDB/MySQL to PostgreSQL.
• Advanced SQL, query optimization, and execution-plan analysis skills.
• Strong experience with indexing, schema design, transactions, locking, and concurrency.
• Experience supporting large relational datasets with tables containing millions of records.
• Experience diagnosing performance using CPU, memory, I/O, session, connection, and query metrics.
• Experience developing migration, validation, cutover, rollback, backup, and recovery strategies.
• Experience supporting databases in AWS or comparable cloud environments.
• Strong production troubleshooting and analytical skills.

• Own the performance, reliability, and technical health of both production database environments.
• Lead the MariaDB-to-PostgreSQL migration, including architecture, planning, execution, validation, cutover, and rollback.
• Analyze and optimize SQL, execution plans, indexes, schemas, and database configuration.
• Diagnose locking, blocking, deadlocks, transaction contention, and other concurrency issues.
• Optimize database performance for high-volume application and highly parallel processing workloads.
• Monitor CPU, memory, storage I/O, connections, transactions, and overall database resource utilization.
• Establish performance baselines and validate improvements through measurement.
• Maintain data integrity and develop migration validation and reconciliation processes.
• Establish monitoring, backup, recovery, capacity planning, and operational practices.
• Partner with application engineers on database-facing issues while owning behavior from the SQL/query boundary inward.

Benefits

•Contrato a largo plazo.

• 100% Remoto.
• Vacaciones y PTOs.
• Posibilidad de recibir 2 bonos al año.
• 2 revisiones salariales al año.
• Clases de inglés.
• Equipamiento Apple.
• Plataforma de cursos en linea.
• Budget para compra de libros.
• Budget para compra de materiales de trabajo.
• Mucho más..
• Contrato a largo plazo.
• 100% Remoto.
• Vacaciones y PTOs.
• Posibilidad de recibir 2 bonos al año.
• 2 revisiones salariales al año.
• Clases de inglés.
• Equipamiento Apple.
• Plataforma de cursos en linea.
• Budget para compra de libros.
• Budget para compra de materiales de trabajo.
• Mucho más..

Nice to have

- Experience migrating large production systems to PostgreSQL
-Experience with highly concurrent operational or processing databases

We are seeking a Senior Database Engineer to own and modernize the relational database environment supporting a large industrial software platform. The environment includes two production MariaDB databases: a primary application database supporting complex asset, inspection, visualization, and operational workflows, and an operational database supporting highly concurrent file and data-processing workflows. Both support large, data-intensive workloads. A primary objective is to lead the migration of both databases from MariaDB to PostgreSQL while improving performance, concurrency, reliability, and operational support.