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Senior Database Engineer

Porto, Portugal💼 Full-time🗓 2026-05-15 → 2026-10-07

Core

Ensuring stability, scalability, and performance of a distributed NoSQL database estate for high-traffic sports betting and iGaming platforms.

Role type

Senior Database Engineer (NoSQL focus)

Builds

Scalable search and data storage clusters supporting online sports betting products

Domain

iGaming / Sports Betting / NoSQL Databases

Required skills

NoSQL clustered databases (Cassandra, Elasticsearch), Elasticsearch cluster design and tuning, database administration, Linux administration, shell scripting, automation scripting, data modeling, query optimization, cluster scaling, replication and redundancy policies, high concurrency system design

Preferred skills

Python, Java, AWS technologies, cloud-based CLIs, diagnostic log aggregation (DataDog), infrastructure automation (Ansible)

Technologies

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

Responsibilities

Design and implement scalable Elasticsearch clusters, monitor and tune Elasticsearch performance, develop indexing strategies and search schemas, plan and troubleshoot database issues, automate database operations, define replication and redundancy policies, participate in on-call support rotation, coach and mentor other engineers