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Senior Database Engineer

Porto, Portugal💼 Full-time🗓 2026-08-17 → 2026-09-29

Core

Ensure stability, scalability, and performance of a distributed database estate supporting high-traffic, data-intensive applications for online sports betting and iGaming.

Role type

Senior Database Engineer (NoSQL/SQL)

Builds

Scalable Elasticsearch clusters, Cassandra/PostgreSQL databases, and data-intensive application infrastructure.

Domain

iGaming / Online Sports Betting / Cloud Infrastructure

Required skills

NoSQL database administration, SQL database administration, Elasticsearch cluster design and tuning, Cassandra expertise, PostgreSQL, Linux administration, Shell scripting, data modeling, performance optimization, automation scripting, high-concurrency system design

Preferred skills

Python, Java, AWS technologies, Ansible, DataDog, cloud-based CLIs

Technologies

Informix, MySQL, Elastic Search, Cassandra, PostgreSQL, Linux (Amazon Linux, Rocky), AWS, Ansible, DataDog

Responsibilities

Optimize Elasticsearch indexes, sharding, and document modeling; administer Cassandra, Elasticsearch, and PostgreSQL clusters; plan and troubleshoot 24x7 system availability; tune database queries; manage infrastructure sizing and node scaling; implement automation scripts for operational tasks; mentor engineers on high-quality solutions; participate in on-call support rotation.

Seniority

Senior, hands-on IC

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