Database Administrator

Database Administrator

Based in: Warsaw/hybrid

About Amelco UK Ltd

We are a leading gaming and gambling solution software provider with a strong presence in the USA, UK, and Europe. Through partnerships with global gaming companies, we build cutting-edge technical platforms across sportsbooks, lottery, casino, virtual gaming, and financial trading.

Our vision is to shape the future of gaming by transforming operations into intelligent, data-driven solutions that deliver exceptional customer experiences and create sustainable value for all stakeholders. We believe in teamwork, knowledge sharing, and transparency with accountability.

Technical Stack

Our data ecosystem is built for massive scale and diverse query patterns:

- Primary Transactional: **PostgreSQL** (Self-managed on EC2/K8s and AWS RDS/Aurora).

- Real-Time Analytics: **ClickHouse** (used for sub-second telemetry, high-throughput event logging, and real-time trading dashboards).

- Data Warehousing: **Snowflake** (our central source of truth for cross-team BI, regulatory reporting, and historical trend analysis).

- Orchestration: Kubernetes (EKS), Terraform, Ansible and on-prem.

- Data Pipelines: Kafka, CDC (Change Data Capture) tools like Debezium.

Key Responsibilities

- Multi-Engine Management: Administer a hybrid database environment, ensuring seamless data flow between PostgreSQL (Live Trading) and ClickHouse/Snowflake (Analytics).

- Data Movement & ETL: Own the reliability of CDC pipelines that stream data from production Postgres instances into the analytical layer.

- Schema Evolution: Manage schema changes across different engines, ensuring that transactional data models translate effectively into columnar formats for analytics.

- Monitoring & Cost Governance: Implement unified observability for the entire stack. Specifically, monitor Snowflake credit usage and ClickHouse resource utilisation to ensure peak ROI.

- Automation: Use Python, Bash and/or Ansible to automate routine maintenance tasks, deployments and monitoring services.

Technical Requirements & Experience

Essential

- Expert-level knowledge of **PostgreSQL** (Performance tuning, vacuuming, indexing).

- Hands-on experience with **ClickHouse** (managing clusters, MergeTree engines, and tuning for high-concurrency).

- Proficiency in **Snowflake** administration (RBAC, Warehouse sizing, Snowpipe, and Task management).

- Experience with AWS (specifically RDS and Aurora).

- Proficiency in Linux/Unix administration and shell scripting.

- Knowledge of monitoring tools (e.g., Prometheus, Grafana, CloudWatch).

Desirable

- Knowledge of the betting or financial trading industry.

- Relevant certifications (AWS Certified Database, Postgres Professional).

Soft Skills

- Problem Solver: You enjoy "under the hood" troubleshooting and RCA (Root Cause Analysis).

- Calm Under Pressure: Ability to handle high-stakes production incidents effectively.

- Communicator: Can translate complex technical database issues to non-technical stakeholders.

-Team Player: Enthusiastic about knowledge sharing and mentoring others.

If you are interested, hit the apply button, and please ensure you upload a copy of your CV in English. We look forward to hearing from you!