About the role
Job Description
We are looking for an experienced Senior PostgreSQL / Data Engineer to join a team building a high-performance, enterprise-grade data platform for the financial markets / FX domain.
This is a great opportunity for someone who enjoys working with large-scale data, complex PostgreSQL environments and near real-time processing. The platform handles approximately 40 million messages every day and provides up-to-date market data with refresh intervals as short as one second.
About the project
You will contribute to the design, development and optimization of a data platform responsible for:
* Processing data for 46 currency pairs * Handling approximately 40 million messages per day * Processing data in near real-time * Managing large-scale data storage with 2-year retention * Integrating the platform with messaging systems such as RabbitMQ * Providing downstream teams with access to frequently refreshed data, with updates available every 1 second * Ensuring high availability, scalability and performance * Designing solutions capable of supporting large data volumes in a demanding financial environment
Qualifications
Must-have:
* Strong commercial experience with PostgreSQL * Very good understanding of PostgreSQL architecture * Hands-on experience with table partitioning * Strong knowledge of database indexing and query optimization * Experience with B-Tree, Hash, GIN, GiST and/or BRIN indexes * Experience building or maintaining ETL processes * Experience working with large-scale / Big Data environments * Good knowledge of Linux * Experience working with performance-critical database environments * Fluent Polish and English
Nice to have:
* Python * Kafka or RabbitMQ * Apache Airflow * CI/CD * Experience in the banking, financial services or FX domain * Experience with real-time or near real-time data processing
Additional Information
We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at:
https://inetum.whispli.com/speakup?locale=pl