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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on a Messaging Delivery Platform in the financial sector, centralizing and modernizing bank client communication. Key technologies include Java, Spring Boot, Kubernetes, AWS, Swagger, OpenAPI, OAuth 2. Responsibilities involve backend microservices development, deploying and managing cloud applications, integrating authorization mechanisms, and ensuring code quality through testing and code reviews. Offered benefits include medical insurance, Multisport, access to Pluralsight.
Senior Java Spring Boot Backend Developer – Cloud and Microservices
Company: ITDS Polska Sp. z o.o.
from: 25 May 2026
to: 24 June 2026
24 150 - 30 450 złnet (+ VAT)/ mth.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior • expert
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Java
Spring Boot
Swagger
OpenAPI
REST
JSON
Jenkins
GitHub
Maven
Groovy
Operating system
Linux
Our requirements
- Minimum 6 years of experience in Java development within a senior or expert capacity.
- Strong hands-on expertise with Spring Boot framework and microservices architecture.
- Practical experience with Kubernetes and Cloud environments, particularly AWS.
- Proficiency with CI/CD tools such as Jenkins, GitHub, Maven, and Groovy scripting.
- Deep understanding of API design principles, including Swagger, OpenAPI 3.0, REST, and JSON.
- Familiarity with authentication protocols like OAuth 2 and API Gateway solutions such as Kong.
- Robust knowledge of Agile practices, especially TDD and Scrum methodologies.
- Ability to work fluently in English, with excellent communication skills.
Optional
- Certifications or additional experience with AWS services.
- Knowledge of automation testing frameworks.
- Experience with messaging systems or middleware.
Your responsibilities
- Develop high-quality, scalable backend applications using Java and Spring Boot, ensuring adherence to technical requirements and standards.
- Collaborate within a multidisciplinary Agile team to design, build, and enhance distributed microservices architectures.
- Implement and monitor API solutions using Swagger, OpenAPI, REST, and JSON standards, ensuring best practices.
- Deploy and manage containerized applications on Kubernetes, leveraging AWS cloud infrastructure.
- Integrate authentication and authorization mechanisms such as OAuth 2 and API Gateway solutions.
- Write and execute unit tests, contribute to automation testing efforts, and uphold quality benchmarks.
- Participate in code reviews, challenge implementations to maintain highest quality standards, and promote innovation.
- Keep abreast of current technologies, tools, and industry best practices, continuously enhancing your expertise.
- Support and mentor team members to foster a culture of technical excellence and knowledge sharing.
About the project
Unleash innovation at scale — drive the future of cloud-native, microservices architectures!
Krakow-based opportunity with hybrid work model (3 remote days per week).
As a Senior Java Spring Boot Backend Developer, you will be working for our client in the financial industry, focusing on the Messaging Delivery Platform—centralizing and modernizing message delivery to bank customers across multiple channels. Join a cutting-edge project that shapes the future of client communication through advanced distributed systems and cloud technology.
This is how we organize our work
This is how we work
at the client's siteagile
#MAKEYourCareerBETTER
Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.
Eligibility to work in the European Union:
Only candidates with an existing legal right to work in the EU will be considered for this role.
What we offer
- ITDS Clubs
- Access to medical insurance
- Access to Multisport
- Access to Pluralsight
- Integrational Events
- Ambassador Program
Benefits
- sharing the costs of sports activities
- private medical care
- integration events
- access to Pluralsight
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 Spring Boot Backend Developer – Cloud and Microservices
24.1k–30.4k 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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