CloudOps DB Engineer — PostgreSQL at Scale

Salmon Group Ltd; España; Presencial; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

Salmon Group Ltd in Spain seeks a database engineer to own and optimize a high-load PostgreSQL-backed platform used by millions of users. You will administer the database cluster, plan zero-downtime migrations, and implement robust monitoring in a cloud environment.

You will collaborate with software engineers to improve query performance, scale data pipelines, and manage infrastructure with Terraform on AWS (RDS/Aurora).

Formación

• Strong PostgreSQL knowledge: query optimization, indexing, replication, and performance troubleshooting.
• Experience with large-scale data systems, ETL pipelines, or distributed backends.
• Solid SQL schema design and transaction management.
• Hands-on Linux, monitoring tools, and automation scripting.
• Familiarity with AWS services (Aurora, RDS, Redshift) and cloud environments.
• Basic CI/CD, Git, and containerization (Docker, Kubernetes).

Responsabilidades

• Support and administration of a high-load database (≈20,000 transactions per minute).
• Performing and maintaining zero-downtime database migrations (seamless migrations).
• Proactive identification and resolution of database issues and bottlenecks.
• Collaborate with developers on DB architecture and query optimization.
• Configure and maintain PostgreSQL infra in AWS (RDS, Aurora) managed through Terraform.
• Participate in architecture optimization, performance tuning, and bottleneck analysis.
• Handle incident and performance management tasks; participate in new projects involving databases.
• Active involvement in development: propose tasks and take initiative beyond tickets.

Conocimientos

PostgreSQL

SQL

ETL

Distributed systems

Linux

Monitoring

Automation scripting

CI/CD

Docker

Kubernetes

AWS

Herramientas

Terraform

Aurora

RDS

Kafka Debezium

Docker

Kubernetes

Descripción del empleo

Salmon Group Ltd in Spain seeks a database engineer to own and optimize a high-load PostgreSQL-backed platform used by millions of users. You will administer the database cluster, plan zero-downtime migrations, and implement robust monitoring in a cloud environment.

You will collaborate with software engineers to improve query performance, scale data pipelines, and manage infrastructure with Terraform on AWS (RDS/Aurora).