April 8, 2026
Java Developer - Fintech (f/m/x)
Senior • Hybrid
Poznan, Poland
We are looking for an experienced Java Developer to join our project in the banking industry.
In this role, you will work on developing either a fully electronic mortgage application system or workflow-based systems for post-sale customer service, including the sale of additional financial products.
This is your chance to contribute to innovative, customer-focused solutions that combine cutting-edge technology with the reliability of a leading financial institution.
Join us!
Your tasks
Deliver digitally advanced financial products and enhance existing systems by implementing new features and improvements
Collaborate with globally distributed teams to develop customer-focused products
Update and maintain comprehensive documentation for team processes, best practices, and software systems
Apply exceptional analytical skills to develop creative, commercially viable solutions
Contribute innovative ideas to the team while continuously expanding your technical knowledge
Ensure key functionalities are covered with unit and integration tests
Requirements
Minimum 4 years of Java programming experience
Experience building microservices and object-orientated programming
Proficiency in frameworks for creating web applications, including Spring and Hibernate
Prior experience with RabbitMQ/Kafka and MongoDB is beneficial
Fluent level of written and spoken English
Openness to hybrid work in Poznan or Wroclaw (min. 1 day/week in-office)
Fluent Polish required
Residing in Poland required
What we offer
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
If you want to work on systems with high operational significance — apply now!
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Warsaw, Poland
119 - 174 PLN
🏢 Summary: Offer for an experienced Java Developer to design, develop and maintain backend integrations for credit product sales systems in a large commercial bank. The role focuses on building microservices-based solutions using Java and Spring Boot, integrating with internal banking systems, and optimizing relational databases. The position involves working in a Scrum team on high-scale, omnichannel banking systems. 🗂️ Requirements: Minimum 5 years of commercial experience as Java Developer, Strong knowledge of Java and Spring Boot, Experience with Spring MVC, Spring Security, Spring Data, Practical experience with Hibernate or JPA, Experience with Oracle or DB2 relational databases, Ability to design database schemas and optimize SQL queries, Experience with REST API and SOAP Web Services, Experience with Kafka or IBM MQ, Knowledge of Maven and Git, Experience in banking or financial sector, Higher technical education 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringSecurity, SpringData, Hibernate, JPA, Oracle, DB2, SQL, REST, SOAP, Kafka, IBM, MQ, Maven, Git, Scrum, Microservices 🏢 Description: Wspólnie z naszym Partnerem z sektora finansowego poszukujemy doświadczonej osoby na stanowisko Java Developer . Projekt obejmuje rozwój i utrzymanie systemów wspierających sprzedaż oraz obsługę produktów kredytowych (gotówkowych, hipotecznych, kart kredytowych i produktów odnawialnych) w jednym z największych banków komercyjnych w Polsce, działających w modelu omnichannel dla ponad 6 mln klientów detalicznych. 💡 TWOJA ROLA: Tworzenie i utrzymanie integracji pomiędzy systemami sprzedaży produktów kredytowych a systemami back-office banku. Współpraca z analitykami biznesowymi i architektami przy analizie wymagań oraz projektowaniu rozwiązań technicznych. Projektowanie i rozwój komponentów backendowych w technologii Java i Spring Boot w architekturze mikroserwisowej. Rozwój warstwy danych: projektowanie schematów baz Oracle i DB2 oraz optymalizacja zapytań SQL. Analiza, diagnozowanie i usuwanie błędów w środowiskach produkcyjnych oraz obsługa incydentów. Tworzenie dokumentacji technicznej i architektonicznej oraz aktywny udział w ceremoniach Scrum. Udział w code review oraz dbanie o jakość, spójność i zgodność kodu ze standardami zespołu. 🔍 CZEGO OCZEKUJEMY OD CIEBIE? Minimum 5-letnie doświadczenie komercyjne na stanowisku Java Developer. Praktyczne doświadczenie w pracy z Hibernate / JPA oraz relacyjnymi bazami danych Oracle lub DB2 , w tym projektowaniem schematów, optymalizacją zapytań i zarządzaniem transakcjami. Doświadczenie w projektowaniu i integracji systemów z wykorzystaniem REST API, SOAP Web Services oraz systemów kolejkowych ( Apache Kafka lub IBM MQ ). Bardzo dobra znajomość Java oraz Spring Boot / Spring Framework (Spring MVC, Spring Security, Spring Data) . Doświadczenie w realizacji projektów dla sektora bankowego lub finansowego. Znajomość narzędzi Maven oraz systemu kontroli wersji GIT . Wykształcenie wyższe techniczne lub pokrewne ✨ OFERUJEMY: 🤖 Nowoczesny proces rekrutacji z AI Rekruterem (AIR) – podczas aplikacji możesz odbyć rozmowę z wirtualnym rekruterem 24/7, bez czekania na telefon, z natychmiastowym feedbackiem i możliwością powtórzenia rozmowy (liczy się ostatnia wersja). Finalną decyzję zawsze podejmuje Rekruter Connectis. Uczestnictwo w spotkaniach integracyjnych oraz meetupach technologicznych, umożliwiających dzielenie się wiedzą i doświadczeniem. Wsparcie dedykowanej osoby kontaktowej z Connectis, dostępnej w celu pomocy w sprawach związanych z projektem. Praca hybrydowa - Warszawa (biuro 1-2x w tygodniu). Dla osób spoza Warszawy praca zdalna. Rozwój kariery i długofalową współpracę w firmie o ugruntowanej pozycji na rynku. 5000 PLN za polecenie znajomych do naszych projektów. Dostęp do najnowszych technologii i narzędzi pracy. Szybki i zdalny proces. Dziękujemy za wszystkie zgłoszenia. Pragniemy poinformować, że skontaktujemy się z wybranymi osobami. 12887/JR
Technology
EPAM Systems
Senior Java Developer
Senior
Hybrid
Krakow, Poland
🏢 Summary: Senior Java Developer role focused on building and evolving a globally distributed trading platform for fixed income products. The position involves designing and implementing high-quality software components, supporting platform optimization and migration, and collaborating with international IT teams. It requires strong expertise in Core Java, Spring, and SQL within enterprise-level systems. 🗂️ Requirements: At least 5 years of experience in software development, Strong knowledge of Core Java, Proficiency in SQL, Proficiency in Spring framework, Strong written and verbal English, Ability to work collaboratively in a global team environment 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively