Senior Big Data Engineer – Java and Spark
Offer summary

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

The project is in the financial sector, focused on building and optimizing a big data platform supporting complex financial workflows. Core technologies include Spark, Java, Python with DevOps, CI/CD, microservices. Responsibilities cover designing and developing data processing solutions, analyzing data, coding and deploying jobs, production support, and collaboration in Agile teams. Benefits include medical package, Multisport, Pluralsight trainings, and flexible working hours.

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Senior Big Data Engineer – Java and Spark

Company: ITDS Polska Sp. z o.o.

from: 12 August 2026
to: 11 September 2026
23 100 - 31 500net (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Spark
Java

Optional technologies

Python
Git

Operating system

Windows

Our requirements

  • 3-5 years of professional experience in big data engineering, ideally within banking or finance sectors.
  • Strong expertise in Spark and Java, with additional knowledge of Python (nice to have), DevOps, CI/CD tools, and microservices.
  • Fluent in English (spoken and written).
  • Analytical mindset with excellent problem-solving skills.
  • Proactive attitude with strong teamwork capabilities across global teams.
  • Effective communication skills and ability to operate across different time zones.

Optional

  • Knowledge of Airflow, GIT, and modern data architecture strategies.
  • Experience with Agile methodologies and delivering solutions in fast-paced environments.

Your responsibilities

  • Design and develop solutions for collecting, transforming, and processing large datasets efficiently.
  • Analyze data from multiple sources and translate insights into detailed technical specifications.
  • Implement and industrialize reliable, scalable, and resilient data processing jobs using Spark and Java.
  • Conduct code reviews and collaborate with team members to ensure continuous improvement.
  • Contribute to Agile teams delivering value through Scrum cycles and support innovative project delivery.
  • Keep up-to-date with evolving big data technologies and apply best practices.
  • Support applications, troubleshoot production issues, and ensure high-quality standards.
  • Produce comprehensive technical documentation, test plans, and project artifacts.

About the project

As a Senior Big Data Engineer – Java and Spark, you will be working for our client, a leader in structured finance within the global banking industry. You will contribute to building and optimizing a state-of-the-art data platform that supports complex financial workflows and fosters collaboration across multiple stakeholders. Join us to shape impactful data solutions that fuel digital transformation and unlock new growth avenues—your expertise will propel innovation in the financial sector.
Unleash the power of big data to revolutionize financial technology — drive innovation at the forefront of banking transformation!
Warsaw-based opportunity with hybrid work model (up to 2 days remote per week).
Only candidates with an existing legal right to work in the European Union will be considered.

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

#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 Big Data Engineer – Java and Spark
23.1k–31.5k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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