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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on a FX Calculations platform in the finance and risk management domain. It involves Java, RESTful APIs, microservices, PostgreSQL and high-availability architecture. Key responsibilities include developing and maintaining risk and PnL calculation systems, production support, requirements analysis, and performance optimization. Benefits include private medical care, Multisport, Pluralsight, and flexible working hours.
Senior Java Back-End Developer – Financial Services Trading Platform
Company: ITDS Polska Sp. z o.o.
from: 22 May 2026
to: 21 June 2026
23 520 - 30 240 złnet (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Salary details
basic salary
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
GCP
Java
Microservices
MQ
PostgreSQL
RESTful API
SQL
Operating system
Windows
Our requirements
- Over 5 years of experience in Java back-end development, with a solid understanding of HTTPS, RESTful APIs, microservices, and message queues (MQ).
- Strong knowledge of high-availability service architecture and reliable system design.
- Hands-on experience with SQL, particularly PostgreSQL, including database performance optimization.
- Proven track record of delivering Java-based services/modules and owning or leading technical projects.
- Excellent communication skills in English, with the ability to facilitate discussions and presentations, and proficiency in Mandarin is a plus.
- Analytical mindset, problem-solving skills, and passion for technology innovation.
- Ability to perform under pressure and work effectively as a team player.
Optional
- Experience in high-volume data processing and compute.
- Knowledge of no-SQL databases or columnar storage solutions.
- Experience building services on cloud platforms, especially GCP.
- Front-end development skills or experience.
- Background in production support and agile development environments.
- Domain expertise in banking, trade lifecycle, and post-trade processing for FX or financial investment products.
Your responsibilities
- Develop, improve, and maintain the bank’s proprietary solution for post-trading risk and PnL calculations, ensuring system robustness and accuracy.
- Collaborate with cross-functional teams to perform end-to-end project delivery, including requirement analysis, coding, testing, and deployment.
- Design detailed technical specifications covering data models, interfaces, and performance tuning.
- Provide production support, incident management, and system ownership, including troubleshooting and performance enhancements.
- Participate in code reviews, solution design discussions, and team activities to promote continuous improvement and best practices.
- Support and contribute to problem-solving, performance tuning, and proof-of-concept initiatives.
About the project
As a Senior Java Back-End Developer, you will be working for our client, a leader in the financial services industry, focusing on the development of a critical FX Calculations platform. This role involves building and maintaining high-availability systems that support traders' daily activities and ensure regulatory compliance — empowering the future of digital finance and risk management.
Unleash Innovation in Global Finance — Drive Cutting-Edge Post-Trading Risk Solutions
Krakow-based opportunity with hybrid work model (up to 3 days remote/week)
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
#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
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.first online interview
- 2.second 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 Java Back-End Developer – Financial Services Trading Platform
23.5k–30.2k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Kraków, Lesser Poland
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Informujemy, że administratorem danych jest ITDS z siedzibą w Warszawie, ul. Złota 59 (dalej jako "administrator"). Masz prawo do żądania dostępu do swoich danych osobowych, ich sprostowania, usunięcia lub ograniczenia przetwarzania, prawo do wniesienia sprzeciwu wobec przetwarzania, a także prawo do przenoszenia danych oraz wniesienia skargi do organu nadzorczego. Dane osobowe przetwarzane będą w celu realizacji procesu rekrutacji. Podanie danych w zakresie wynikającym z ustawy z dnia 26 czerwca 1974 r. Kodeks pracy jest obowiązkowe. W pozostałym zakresie podanie danych jest dobrowolne. Odmowa podania danych obowiązkowych może skutkować brakiem możliwości przeprowadzenia procesu rekrutacji. Administrator przetwarza dane obowiązkowe na podstawie ciążącego na nim obowiązku prawnego, zaś w zakresie danych dodatkowych podstawą przetwarzania jest zgoda. Dane osobowe będą przetwarzane do czasu zakończenia postępowania rekrutacyjnego i przez okres możliwości dochodzenia ewentualnych roszczeń, a w przypadku wyrażenia zgody na udział w przyszłych postępowaniach rekrutacyjnych - do czasu wycofania tej zgody. Zgoda na przetwarzanie danych osobowych może zostać wycofana w dowolnym momencie. Odbiorcą danych jest serwis Hello HR oraz inne podmioty, którym powierzyliśmy przetwarzanie danych w związku z rekrutacją.
Naruszenia można zgłaszać zgodnie z Procedurą zgłaszania nieprawidłowości ITDS dostępną tutaj:
https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
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