Database Administrator
Summary
Database Administrator at JustMarkets Tech (a trading/fintech company), working remotely from Europe. Day to day: operate and optimize production PostgreSQL, MySQL/MariaDB, ClickHouse and Redis — covering high availability, replication, backups and disaster recovery, performance tuning, automation, and on-call incident response.
We are looking for a highly motivated and results-oriented Database Administrator to join our team on a full-time basis. You will be responsible for ensuring the reliability, high availability, and optimal performance of our production databases. In this role, you will help strengthen disaster recovery capabilities, automate operations, and support business-critical workloads.
Responsibilities
Operate and optimize production databases: PostgreSQL, MySQL/MariaDB, ClickHouse and Redis
Ensure high availability, replication, backup and recovery across all database engines
Run regular disaster recovery tests and meet backup and recovery compliance controls
Tune performance: queries, indexes, configuration, resource limits
Manage ClickHouse for analytics: replication, query limits, workload isolation
Operate Redis for caching and real-time workloads: persistence, replication, failover
Plan capacity and storage growth
Automate database operations with infrastructure-as-code
Review schema changes and migrations with engineering teams, and support moves to the cloud
Take part in on-call and incident response
Requirements
4+ years of professional experience as a DBA or Database Reliability Engineer
Strong experience with Big Data
Deep expertise in PostgreSQL and MySQL/MariaDB: replication, backup tooling, performance tuning
Production experience with Redis: persistence, replication, Sentinel or Cluster
Production experience with ClickHouse or another columnar database
Experience designing high availability and disaster recovery for databases
Solid Linux skills and scripting (Bash, Python)
Experience with database monitoring and alerting
Will be a plus
Experience with Amazon RDS orAurora
Experience running databases on Kubernetes with operators
Experience with Ansible or Terraform
Experience with SOC 2 or similar compliance controls
Exposure to trading, fintech, or market-data platforms
We offer
20 paid vacation days per year
10 paid sick leave days per year
Public holidays as per the company's approved Public holiday list
Medical budget
Opportunity to work remotely
Professional education budget
Language learning budget
Wellness budget (gym membership, sports gear and related expenses)