Senior PostgreSQL Data Engineer – Financial Sector
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building a financial market data platform with emphasis on near-real-time processing and analytics. Technologies include PostgreSQL, PL/pgSQL, partitioning and advanced indexes (B-Tree, Hash, GIN, GiST, BRIN), and integration with tools like RabbitMQ and ETL; optionally Python and Kafka/Airflow. Responsibilities include designing and maintaining high-performance PostgreSQL solutions, performance tuning and data modeling, implementing procedures and triggers, monitoring and ensuring high availability, automating tasks via CI/CD, and executing migrations, archiving and data retention strategies.

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Senior PostgreSQL Data Engineer – Financial Sector

Company: ITDS Polska Sp. z o.o.

from: 12 October 2026
to: 11 November 2026
21 000 - 24 150 złnet (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Our requirements

  • Minimum 5 years of experience working with PostgreSQL, including advanced SQL and data modeling skills.
  • Proven expertise in PostgreSQL architecture, table partitioning, indexing (B-Tree, Hash, GIN, GiST, BRIN), and performance monitoring.
  • Strong knowledge of PL/pgSQL, stored procedures, functions, and triggers.
  • Practical experience with large data volumes, performance tuning, and Big Data environments.
  • Hands-on experience with Linux environment setup and maintenance.
  • Polish: Good command.
  • English: Communicative level.

Optional

  • Python scripting skills.
  • Experience with Kafka, RabbitMQ, or Apache Airflow.
  • Familiarity with CI/CD practices.
  • Background in banking or financial services sectors.

Your responsibilities

  • Design, develop, and maintain high-performance PostgreSQL database solutions tailored to large-scale financial data processing.
  • Optimize database performance through advanced tuning, indexing, and efficient data modeling practices.
  • Build and implement data models, including normalization and denormalization, to support near real-time analytics.
  • Collaborate with cross-functional teams to ensure seamless data integration, using technologies like RabbitMQ and ETL processes.
  • Monitor system performance and troubleshoot issues to guarantee high availability and scalability.
  • Automate deployment and maintenance tasks, leveraging CI/CD pipelines for continuous improvement.
  • Participate in planning and executing database migration, archiving, and data retention strategies aligned with industry standards.

About the project

Unleash data-driven innovation — build high-performance platforms for the financial market!
100% remote work.
As a Senior PostgreSQL / Data Engineer, you will be working for our client, a leader in the financial sector, dedicated to developing a cutting-edge enterprise data platform. You will help shape the future of real-time data processing and analytics, handling millions of messages daily within a high-availability environment, contributing to impactful financial insights and decision-making.
Only candidates with an existing legal right to work in the European Union will be considered for this role.

This is how we organize our work

This is how we work

at the client's siteagilescrum

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • DevOps

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions.
  • Enhance your skills and develop your expertise in the financial industry.
  • Work on the most strategic projects available in the market.
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years.
  • Participate in Social Events, training, and work in an international environment.
  • Access to attractive Medical Package.
  • Access to Multisport Program.
  • Access to Pluralsight.
  • Flexible hours.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Senior PostgreSQL Data Engineer – Financial Sector
21k–24.1k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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