Senior Java Developer (FTI/FCC)

🏢 Summary: Oferta dla Senior Java Developera do projektu w sektorze finansowym, obejmującego rozwój systemów wspierających procesy bankowe. Rola obejmuje rozwój aplikacji Java, integracji FTI i FCC oraz rozwiązań opartych na Oracle, Liquibase i IBM MQ. Praca hybrydowa w Warszawie, z możliwością pracy z biura raz w tygodniu, ze stawką do 135 zł/h. 🗂️ Requirements: Praktyczne doświadczenie z Finastra Trade Innovation (FTI), Praktyczne doświadczenie z Fusion Corporate Channel (FCC), Bardzo dobra znajomość Java 8 lub Java 11, Znajomość XML, XSD, XSLT i JAXB, Znajomość relacyjnych baz danych, w szczególności Oracle, Doświadczenie z Liquibase, Znajomość architektury i implementacji rozwiązań IBM MQ, Doświadczenie z Git, Znajomość Jenkins i narzędzi CI/CD, Umiejętność tworzenia wydajnego, czystego i dobrze udokumentowanego kodu 📃 Skills: Java, FTI, FCC, XML, XSD, XSLT, JAXB, Oracle, Liquibase, IBM, MQ, Git, Jenkins, CICD 🏢 Description: Oferujemy - Pracę w Warszawie w modelu hybrydowym, z pracą z biura raz w tygodniu - Stawkę do 135 zł/h Opis roli Do projektu dla klienta z sektora finansowego poszukujemy doświadczonego Senior Java Developera. Rola obejmuje rozwój systemów wspierających procesy bankowe, w tym rozwiązań wykorzystujących Finastra Trade Innovation (FTI) oraz Fusion Corporate Channel (FCC). Obowiązki - Rozwój i utrzymanie aplikacji w technologii Java - Tworzenie wydajnego, czytelnego i wysokiej jakości kodu - Rozwój i utrzymanie integracji z wykorzystaniem Finastra Trade Innovation (FTI) oraz Fusion Corporate Channel (FCC) - Praca z bazami danych Oracle oraz zarządzanie zmianami w bazach danych przy użyciu Liquibase - Projektowanie i rozwój rozwiązań opartych na IBM MQ - Współpraca z zespołem deweloperskim oraz udział w procesach CI/CD Wymagania - Praktyczna znajomość Finastra Trade Innovation (FTI) oraz Fusion Corporate Channel (FCC) - Bardzo dobra znajomość Java 8 lub Java 11 - Umiejętność pisania wydajnego, czystego i dobrze udokumentowanego kodu - Doświadczenie z technologiami XML, w szczególności XSD, XSLT oraz JAXB - Znajomość relacyjnych baz danych, w szczególności Oracle - Doświadczenie z Liquibase - Znajomość architektury oraz implementacji rozwiązań opartych na IBM MQ (Message Queuing) - Doświadczenie w pracy z systemem kontroli wersji Git - Znajomość narzędzi CI/CD, w szczególności Jenkins

🏢 Summary: Oferta współpracy B2B dla Java Developera przy projekcie w Warszawie, w modelu hybrydowym z jednym dniem pracy z biura tygodniowo. Rola wymaga obowiązkowego doświadczenia z Finastra Trade Innovation i Fusion Corporate Channel oraz rozwoju integracji, baz danych i kolejek wiadomości. 🗂️ Requirements: Znajomość Finastra Trade Innovation (FTI), Znajomość Fusion Corporate Channel (FCC), Java 8/11, XML, XSD, XSLT, JAXB, Bazy danych Oracle, Liquibase, IBM MQ, Git, Jenkins i CI/CD 📃 Skills: Java, Finastra, FTI, FCC, XML, XSD, XSLT, JAXB, Oracle, Liquibase, IBM, MQ, Git, Jenkins, CI/CD 🏢 Description: Quick Facts - Tryb pracy: hybrydowy — 1 dzień w tygodniu z biura - Współpraca: B2B - Stawka: do 120 zł/h Wymagania niezbędne - Znajomość oprogramowania Finastra Trade Innovation (FTI) oraz Fusion Corporate Channel (FCC) — wymaganie konieczne - Pisanie wydajnego, czystego kodu w Javie 8/11 - Doświadczenie z technologiami opartymi na XML, takimi jak XSD, XSLT i JAXB - Znajomość baz danych, w szczególności Oracle - Znajomość Liquibase do zarządzania wersjonowaniem baz danych - Znajomość architektury i implementacji rozwiązań opartych na kolejkach wiadomości z wykorzystaniem IBM MQ - Doświadczenie z systemem kontroli wersji Git oraz narzędziami CI/CD, w tym Jenkins Co oferujemy - Pracę na kontrakcie B2B - Prezenty na różne okazje - Wydarzenia firmowe - Dostęp do platformy szkoleniowej - Dostęp do platformy językowej

🏢 Summary: Senior Java Developer role focused on building and optimizing high-performance applications for Fixed Income Rates and Credit trading desks within a global financial technology team. The position involves developing scalable Java solutions, supporting production systems, and collaborating with international stakeholders and IT teams. Hybrid work from the Krakow office is required three days per week. 🗂️ Requirements: 3+ years of professional Java development experience, Knowledge of low-latency programming, Knowledge of multi-threaded programming, Strong problem-solving skills, Strong analytical skills, Ability to communicate technical concepts to non-technical stakeholders, Willingness to learn new technologies and adapt to market changes, English proficiency at B2 level or higher 📃 Skills: Java, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are seeking a passionate Senior Java Developer to create innovative applications for Fixed Income Rates and Credit trading desks. You will deliver high-performance solutions while maintaining existing functionality as part of our global Fixed Income Rates and Credit markets technology team, a fast-paced, motivated group spread across 8 cities in 6 countries. Please note that working from the office in Krakow 3 days per week is required. Responsibilities - Architect and develop scalable Java applications for complex business challenges - Optimize and refactor existing components to improve performance and maintainability - Lead UAT and demonstration sessions with key stakeholders - Translation of business requirements into technical specifications - Collaboration with global IT teams to ensure seamless integration - Support production rollouts and provide ongoing maintenance - Development of cutting-edge solutions while maintaining a sophisticated, multi-faceted platform Requirements - 3+ years of professional Java development experience - Knowledge of low-latency and multi-threaded programming techniques - Excellent problem-solving and analytical skills - Strong communication skills, able to explain complex technical concepts to non-technical stakeholders - Willingness to learn and adapt to new technologies and market changes - English proficiency at B2 level or higher Nice to have - Understanding of financial markets, particularly Rates and Credit bonds/derivatives with trading platforms (e.g., Bloomberg, Tradeweb) - Familiarity with messaging systems like Kafka and data serialization formats (e.g., AVRO) - Knowledge of cloud platforms (Azure, AWS or GCP)

🏢 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

🏢 Summary: Senior Java Developer role focused on building and enhancing high-performance applications for Fixed Income Rates and Credit trading desks, with a hybrid work model in Krakow. The position involves designing scalable Java solutions, optimizing low-latency systems, and collaborating with global teams to deliver and maintain complex trading platforms. The offer includes career development programs, certifications, and a comprehensive benefits package. 🗂️ Requirements: 5+ years of professional Java development experience, Experience with low-latency programming, Experience with multi-threaded programming, Strong problem-solving and analytical skills, Ability to communicate technical concepts to non-technical stakeholders, English proficiency at B2 level or higher, Availability to work from the Krakow office 3 days per week 📃 Skills: Java, Multithreading, Low-latency, Kafka, AVRO, Azure, AWS, GCP, Bloomberg, Tradeweb 🏢 Description: We are looking for an enthusiastic Senior Java Developer to build innovative applications for Fixed Income Rates and Credit trading desks. As a member of our global Fixed Income Rates and Credit markets technology team—a dynamic, driven group operating across 8 cities in 6 countries—you will provide high-performance solutions while preserving existing functionality. Please be aware that this role requires working from the Krakow office 3 days per week. Responsibilities Design and build scalable Java applications to address complex business challenges Enhance and refactor existing components to boost performance and maintainability Lead UAT and demonstration sessions with key stakeholders Convert business requirements into technical specifications Work alongside global IT teams to achieve seamless integration Assist with production rollouts and deliver ongoing maintenance Build cutting-edge solutions while sustaining a sophisticated, multi-faceted platform Requirements 5+ years of professional experience developing in Java Familiarity with low-latency and multi-threaded programming methods Outstanding problem-solving and analytical abilities Strong communication skills, capable of clarifying complex technical concepts for non-technical stakeholders Eagerness to learn and adjust to new technologies and market shifts English skills at B2 level or above Nice to have Comprehension of financial markets, especially Rates and Credit bonds/derivatives along with trading platforms (e.g., Bloomberg, Tradeweb) Experience with messaging systems such as Kafka and data serialization formats (e.g., AVRO) Understanding of cloud platforms (Azure, AWS or GCP) 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

🏢 Summary: Hybrid Kraków-based opportunity to develop and enhance a primary Cash FX trading system within a global investment banking environment. The role focuses on building low-latency, microservice-based Java solutions that support core forex trading functionalities and ensure high availability in production. You will work in an international team delivering scalable, resilient systems with automated testing and deployment practices. 🗂️ Requirements: Minimum 5 years of software development experience, Strong proficiency in Java 17+, Experience with concurrency, data structures, low-latency programming, Experience with TDD and automated testing, Experience with continuous integration and continuous deployment, Familiarity with REST services, Familiarity with messaging technologies, Understanding of DevOps practices and tools, Good command of English, Legal right to work in the European Union 📃 Skills: Java, Concurrency, DataStructures, LowLatency, Lambdas, TDD, JUnit, CI, CD, REST, Messaging, DevOps, Microservices 🏢 Description: Empower innovation in finance — develop cutting-edge Forex trading systems that redefine global markets! Kraków-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java Developer – Forex Trading Systems , you will be working for our client, a leading global investment bank's division dedicated to Market Securities & Services. You will contribute to the development of HSBC’s groundbreaking Cash FX primary trading system, shaping the future of foreign exchange trading through innovative, efficient, and stable software solutions. Join a talented international team and help build the backbone of a dynamic financial ecosystem—driving digital transformation and industry-leading performance. Your main responsibilities: Create usable, efficient, and elegant Java code to support core trading functionalities. Build a micro-service based architecture for scalable, resilient systems. Monitor production environments to ensure stability and high availability. Support foreign exchange business requirements with robust technical solutions. Automate testing and deployment for small, frequent releases to accelerate delivery. Communicate effectively with product owners and business stakeholders to clarify features and requirements. Take ownership of the production availability and performance of your services. You're ideal for this role if you have: Minimum of 5 years of experience in software development, preferably within finance or trading systems. Strong proficiency in Java 17+ (Concurrency, data structures, lock-free, wait-free code, low latency, lambdas). Experience with TDD, continuous integration, jUnit, continuous deployment, and testing. Familiarity with REST and messaging technologies. Understanding of DevOps practices and toolsets. Ability to use AI Coding Assistants to optimize development. Excellent communication skills and a collaborative team mindset. Problem-solving attitude with flexibility and adaptability to changing environments. It is a strong plus if you have: Knowledge of FX trading or financial markets. Passion for software development outside of work, such as open source contributions or involvement in working groups. Language Required for the role: Good command of English (Communicative proficiency). Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #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.

🏢 Summary: Oferta dla Senior Java Developera przy rozwoju nowoczesnych platform telewizyjnych i streamingowych opartych o architekturę mikroserwisową. Praca obejmuje rozwój i utrzymanie aplikacji Java, projektowanie nowych funkcjonalności oraz współtworzenie architektury rozwiązań. Możliwa praca zdalna lub hybrydowa z wynagrodzeniem do 150 PLN netto + VAT/h. 🗂️ Requirements: Minimum 4 lata doświadczenia komercyjnego w Java, Bardzo dobra znajomość Java Core, Znajomość wielowątkowości, niemutowalności i wzorców projektowych, Doświadczenie ze Spring Boot, Spring MVC, WebFlux, MyBatis i TestContainers, Znajomość SQL, NoSQL, Oracle, PostgreSQL, MongoDB i Redis, Doświadczenie z Apache Kafka i ORM, Doświadczenie z mikroserwisami i REST API, Znajomość Docker, Kubernetes, SOA i SSO, Znajomość JUnit, Mockito, Spock oraz testów wydajnościowych, Doświadczenie z Git, Bitbucket, GitLab, Jenkins i GitLab CI, Znajomość OWASP, Scrum, Jira i Confluence, Znajomość Linux/Unix oraz podstaw Bash lub Python, Doświadczenie z AWS, Znajomość praktyk DevOps, Komunikatywna znajomość języka angielskiego 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, NoSQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, ORM, Docker, Kubernetes, SOA, SSO, Okta, CAS, IAM, JUnit, Mockito, Spock, JMeter, K6, Git, Bitbucket, GitLab, Jenkins, OWASP, Scrum, Jira, Confluence, Linux, Unix, Bash, Python, AWS, EC2, S3, Lambda, CloudWatch, MSK, DevOps 🏢 Description: Poszukujemy Senior Java Developera do projektu realizowanego przez jednego z czołowych dostawców usług telewizji i streamingu w Europie. Klient rozwija nowoczesne platformy cyfrowe oraz rozwiązania wykorzystywane każdego dnia przez miliony użytkowników. Projekt prowadzony jest w oparciu o nowoczesne technologie, architekturę mikroserwisową i wysokie standardy jakości. Oferujemy Stawka do 150 PLN netto + VAT/h Praca zdalna lub hybrydowa (preferowane osoby mogące pracować z biura w Warszawie 1–3 dni w tygodniu) Obowiązki rozwój i utrzymanie aplikacji w Java, projektowanie oraz implementacja nowych funkcjonalności, udział w code review i konsultacjach technicznych, współtworzenie architektury rozwiązań. Wymagania min. 4 lata doświadczenia komercyjnego w Java (8–25) , bardzo dobra znajomość Java Core , wielowątkowości , niemutowalności oraz wzorców projektowych , praktyczne doświadczenie z Spring Boot , Spring MVC , WebFlux , MyBatis oraz TestContainers , znajomość SQL , NoSQL , Oracle , PostgreSQL , MongoDB , Redis , Apache Kafka oraz ORM , doświadczenie z mikroserwisami , REST API , Docker , Kubernetes , SOA oraz rozwiązaniami SSO (Okta, CAS, IAM) , znajomość JUnit , Mockito , Spock oraz narzędzi do testów wydajnościowych ( JMeter , K6 ), doświadczenie z Git , Bitbucket , GitLab , Jenkins oraz GitLab CI , znajomość OWASP , Scrum , Jira i Confluence , dobra znajomość środowiska Linux/Unix oraz podstaw Bash lub Python , doświadczenie z AWS ( IAM, EC2, S3, Lambda, API Gateway, CloudWatch, MSK ), znajomość praktyk DevOps , komunikatywna znajomość języka angielskiego . Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz!

🏢 Summary: Senior Java Developer role focused on building and evolving a high-performance FX trading platform within a global banking environment. The position involves developing microservices-based solutions for pricing, booking, routing, and risk management while ensuring low-latency and high availability. You will contribute to continuous delivery and production stability in a large-scale, distributed system. 🗂️ Requirements: 5+ years of Java development experience, Strong proficiency in Java 17+, Experience with concurrency and low-latency programming, Hands-on experience with TDD, Experience with continuous integration and continuous deployment, Experience with JUnit, Familiarity with REST services, Experience with messaging technologies, Understanding of DevOps practices, Experience building microservices architecture, Fluent English, Legal right to work in the EU 📃 Skills: Java, Java17, Concurrency, Lambdas, TDD, JUnit, CI, CD, REST, Messaging, DevOps, Microservices, FX, Low-latency 🏢 Description: Unleash innovation in financial technology — lead the development of a groundbreaking FX trading platform! Krakow-based opportunity with hybrid work model. As a Senior Java Developer — you will be working for our client, a leading global bank’s Corporate & Institutional Banking division. You will contribute to River, HSBC's flagship Cash FX primary trading system, supporting vital FX functions like pricing, booking, routing, risk management, and valuations. Join an international team of 170 experts across multiple continents and help shape the future of financial trading technology. Your main responsibilities: Create usable, efficient, and elegant Java code to support system features Build a micro-service based architecture to ensure modularity and scalability Monitor production environments to maintain system stability Handle Foreign Exchange business requirements with technical expertise Develop and automate testing and deployment for small, frequent releases Collaborate with product owners and business teams to deliver robust features Ensure continuous production availability and high-performance service operation You're ideal for this role if you have: At least 5 years of experience in Java development, ideally in financial systems Strong proficiency with Java 17+ (Concurrency, data structures, lock-free, wait-free code, low latency, lambdas) Hands-on experience with TDD, continuous integration, jUnit, and continuous deployment Familiarity with REST and messaging technologies Good understanding of DevOps practices Ability to collaborate effectively with technical and business teams Passion for problem-solving and learning new technologies It is a strong plus if you have: (optional) FX business knowledge (technical skills are the main focus) Passion for software development outside of work through open source projects or involvement in working groups Language Required for the role: Fluent English (spoken and written) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #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.

🏢 Summary: Senior Java Developer role focused on building and maintaining high‑transaction financial systems using modern Java and SpringBoot technologies. The position involves designing scalable backend solutions, integrating messaging and monitoring tools, and contributing to CI/CD pipelines in an agile environment. Remote work model with a Warsaw-based team. 🗂️ Requirements: 7+ years of Java software development experience, Strong expertise in Java 21+, Experience with SpringBoot 3, Experience with PostgreSQL and Hibernate, Knowledge of DDD principles, Experience with ELK, Dynatrace, Redis, Experience with RabbitMQ and Kafka, Experience with Gitlab, Jenkins, OpenShift, Experience with Junit 5, Mockito, RestAssured, Experience with CI/CD pipelines, Experience with high-transaction online systems, Good command of Polish, Communicative English, Legal right to work in the EU 📃 Skills: Java, SpringBoot, PostgreSQL, Hibernate, DDD, ELK, Dynatrace, Redis, RabbitMQ, Kafka, Gitlab, Jenkins, OpenShift, Junit5, Mockito, RestAssured, CICD, Scrum, Kanban 🏢 Description: Unleash innovation — build transformative Java solutions for the finance sector! Warszawa-based opportunity with remote work model. As a Senior Java Developer , you will be working for our client, a leader in the financial industry, dedicated to developing and supporting high-transactional internet systems. Join a passionate team to create impactful, scalable solutions that shape the future of finance technology and foster career growth. Your main responsibilities: Develop and maintain robust applications using Java 21+ and SpringBoot 3, ensuring high performance and scalability. Design and implement database solutions with PostgreSQL, applying best practices in DDD. Collaborate in agile teams, utilizing methodologies such as Scrum or Kanban, to deliver innovative features. Integrate and optimize system components with tools like ELK, Redis, Dynatrace, and messaging systems like RabbitMQ and Kafka. Write comprehensive unit and integration tests using Junit 5, Mockito, and RestAssured. Participate in CI/CD pipelines with Gitlab, Jenkins, and OpenShift to streamline deployment workflows. Analyze system performance and troubleshoot issues to maintain optimal operation. You're ideal for this role if you have: At least 7 years of experience in software development, primarily with Java-based solutions. Strong expertise with Java 21+ and SpringBoot 3. Experience working with PostgreSQL, Hibernate, and DDD principles. Familiarity with ELK, Dynatrace, Redis, RabbitMQ, Kafka. Proficiency in CI/CD tools like Gitlab, Jenkins, and OpenShift. High analytical skills and experience supporting transactional online systems, preferably in finance. It is a strong plus if you have: Knowledge of agile methodologies such as Scrum or Kanban. Certifications or additional expertise in financial systems or back-end architecture. Language Required for the role: Polish: good command required English: communicative proficiency Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #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. Internal number #8853

🏢 Summary: Senior Java Developer role focused on building and optimizing high-performance transactional and banking systems in a 100% remote environment. The position involves designing scalable backend solutions using modern Java and Spring technologies, integrating messaging systems, and ensuring system reliability through advanced monitoring and CI/CD practices. This opportunity targets experienced engineers ready to contribute to complex financial platforms in an agile setting. 🗂️ Requirements: Minimum 5 years of Java development experience, Strong experience with Java 21+, Strong experience with Spring Boot 3, Solid knowledge of PostgreSQL, Experience with CI/CD tools (GitLab, Jenkins), Experience with OpenShift deployments, Experience with RabbitMQ and Kafka, Experience with ELK stack and Dynatrace, Experience with JUnit 5, Mockito, RestAssured, Experience working in Agile (Scrum, Kanban), Good command of Polish, Communicative English proficiency, Legal right to work in the European Union 📃 Skills: Java, Spring, PostgreSQL, Redis, RabbitMQ, Kafka, ELK, Dynatrace, GitLab, Jenkins, OpenShift, JUnit, Mockito, RestAssured, SQL, R 🏢 Description: Unleash innovation in financial technology — shape the future of transactional systems with expertise and precision! 100% remote work. As a Senior Java Developer , you will be working for our client, a leading player in the financial services industry dedicated to delivering cutting-edge transactional and banking systems. You will contribute to the development of robust, scalable solutions that power high-stakes online financial operations, driving digital transformation and operational excellence. This role offers a unique chance to advance your career within an innovative environment that values technical mastery and strategic thinking. Your main responsibilities: Design, develop, and optimize complex backend systems using Java 21+ and Spring Boot 3, adhering to best practices and high-quality standards. Work with domain-driven design (DDD) to implement scalable and maintainable software solutions. Manage and optimize data solutions utilizing PostgreSQL, Redis, and integration tools like RabbitMQ and Kafka. Utilize tools such as ELK stack, Dynatrace, and CI/CD pipelines (GitLab, Jenkins, OpenShift) to ensure system performance and reliability. Conduct thorough testing and validation using JUnit 5, Mockito, and RestAssured to deliver resilient software releases. Collaborate with agile teams (Scrum, Kanban) for iterative development and continuous improvement. Contribute analytical insights and high-level problem-solving skills to support transaction systems in a fast-paced financial environment. You're ideal for this role if you have: At least 5 years of experience in Java development, with a strong background in Spring Boot 3 and Java 21+. Solid understanding of database technologies, particularly PostgreSQL. Practical experience with CI/CD tools such as GitLab, Jenkins, and deployment on OpenShift. Familiarity with message brokers like RabbitMQ and Kafka. Knowledge of monitoring and logging tools (ELK stack, Dynatrace). Experience with automated testing frameworks including JUnit 5, Mockito, and RestAssured. Strong analytical skills and experience working within agile methodologies (Scrum, Kanban). It is a strong plus if you have: Experience in the finance sector and knowledge of financial risk modeling. Certifications related to cloud, database management, or software development. Basic knowledge of R language and SQL testing. Language required for the role: Polish (good command), English (communicative proficiency). Eligibility to work in Europe: Only candidates with an existing legal right to work within the European Union will be considered for this role.