Data engineer in financial markets

Inetum

Warszawa

On-site

PLN 180,000 - 240,000

Full time

4 days ago
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Benefits offered by this job

Cafeteria system benefits
Referral bonuses up to PLN6,000
Revenue sharing opportunities
Team Manager guidance for each member
Mentoring from a technical leader
Team-building budget (online and on‑s­
Charitable initiatives and local sport

Job summary

Inetum ищет опытного Senior PostgreSQL/Data Engineer для разработки высокопроизводительной data-платформы в финансовом секторе. Нам нужен специалист, умеющий работать с крупномасштабными данными, сложными PostgreSQL конфигурациями и обработкой в near real-time.

Платформа обрабатывает десятки миллионов сообщений ежедневно и держит данные с короткими refresh-интервалами. Ключевые задачи включают обработку данных для множества валютных пар, обеспечение высокой доступности и интеграцию с RabbitMQ.

Qualifications

  • Опыт работы с PostgreSQL в продакшн окружениях не менее 3–5 лет.
  • Глубокое понимание архитектуры PostgreSQL и принципов оптимизации.
  • Опыт организации партиционирования таблиц.
  • Навыки индексации и оптимизации запросов в PostgreSQL (B-Tree, Hash, GIN, GiST, BRIN).
  • Опыт эксплуатации ETL-процессов и работы с большими данными.
  • Знание Linux и навыки работы с производительными базами данных.
  • Свободное владение польским и английским языками.
  • Преимущество: Python; Kafka/RabbitMQ; Apache Airflow; CI/CD; опыт в банковской/финансовой FX сфере.

Responsibilities

  • Обеспечение обработки данных для около 46 пар валют.
  • Обработка ~40 млн сообщений в сутки.
  • Работа с данными в режиме near real-time.
  • Управление масштабируемым хранением данных с 2-летней retention.
  • Интеграция платформы с системами обмена сообщениями (RabbitMQ).
  • Предоставление командам доступа к часто обновляющимся данным с обновлением каждые 1 секунду.
  • Обеспечение высокой доступности, масштабируемости и производительности.
  • Разработка решений для больших объемов данных в финансовой среде.

Skills

PostgreSQL
PostgreSQL архитектура
Partitioning
Индексация/оптимизация запросов
ETL
Big Data
Linux
Производительность БД
Polish язык
English язык

Tools

RabbitMQ
Kafka
Apache Airflow
CI/CD

Job description

Описание

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.


Задачи


  • 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


Требования


  • 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

  • Будет плюсом: 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


Условия


  • A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.

  • Generous referral bonuses, offering up to PLN6,000 for referring specialists.

  • Additional revenue sharing opportunities for initiating partnerships with new clients.

  • Ongoing guidance from a dedicated Team Manager for each employee.

  • Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

  • Dedicated team-building budget for online and on-site team events.

  • Opportunities to participate in charitable initiatives and local sports programs.

  • A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

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