Senior Java/Kafka Developer – Payments and Financial Messaging

🏢 Summary: Senior Java/Kafka Developer role focused on modernizing and enhancing payment systems by adapting legacy applications to ISO20022 financial messaging standards. The position involves designing, developing, and deploying high-impact changes within complex payment architectures using Java and Kafka technologies. Hybrid work model with strong emphasis on secure, scalable financial messaging solutions. 🗂️ Requirements: Minimum 5 years of professional experience in Java development, Strong expertise in Java, Spring, Hibernate, and DB2, Hands-on experience with Apache Kafka, Experience with Spring Boot and Spring Data, Experience in RESTful API development, Knowledge of microservices architecture, Experience with Docker, Proficiency with Git and CI/CD pipelines, Fluent Polish and English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, SpringData, Hibernate, DB2, Kafka, KafkaStreams, KafkaConnect, REST, Microservices, Docker, Git, GitLabCI, ISO20022 🏢 Description: Empower Financial Innovation - Redefine Payment Systems with Next-Gen Technology! Warszawa-based opportunity with hybrid work model (4 days per week in the office) As a Senior Java/Kafka Developer – Payments and Financial Messaging , you will be working for our client, a leader in the financial services industry, dedicated to transforming payment systems and implementing cutting-edge messaging standards. Join a dynamic team focused on adapting legacy applications to non-discretionary ISO20022 standards, enabling secure and efficient financial messaging worldwide. This role offers an exciting pathway for career growth within a forward-thinking organization committed to innovation. Your main responsibilities: Collaborate in requirements gathering sessions with business stakeholders to ensure technical solutions meet business needs Analyze, design, and plan impactful technical changes within complex payment systems Develop, test, and deploy modifications to legacy applications aligned with ISO20022 standards Conduct code reviews, support UAT processes, and assist with seamless code releases Apply creative problem-solving to improve the tech stack and optimize system performance Reverse engineer complex code bases to implement high-impact modifications effectively You're ideal for this role if you have: Minimum 5 years of professional experience in Java development Strong expertise in Java, Spring, Hibernate, and DB2 Experience with Spring Boot, dependency injection, auto-configuration, and Spring Data Hands-on knowledge of Apache Kafka (producers, consumers, Kafka Streams, Kafka Connect) Familiarity with RESTful API development, and microservices architectures Knowledge of containerization tools like Docker Proficiency with Git, CI/CD pipelines (preferably GitLab CI) It is a strong plus if you have: Past experience in financial services, banking technology, or payments industry is a plus Understanding of financial messaging standards such as ISO 20022, SWIFT, CBPR+ or FIN Experience with IBM MQ / JMS - queue managers and channels Infrastructure as Code expertise - provisioning and managing infrastructure Language Required for the role: Fluent Polish and English communication skills 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/Kafka Developer role focused on modernizing and enhancing payment systems by adapting legacy applications to ISO20022 financial messaging standards. The position involves designing and implementing technical changes within complex payment environments and supporting secure, high-performance financial messaging solutions. Hybrid work model based in Warsaw. 🗂️ Requirements: Minimum 5 years of professional experience in Java development, Strong expertise in Java, Spring, Hibernate, and DB2, Experience with Spring Boot, dependency injection, auto-configuration, and Spring Data, Hands-on experience with Apache Kafka (producers, consumers, Kafka Streams, Kafka Connect), Experience in RESTful API development and microservices architecture, Knowledge of Docker containerization, Proficiency with Git and CI/CD pipelines (preferably GitLab CI), Fluent Polish and English language skills, Legal right to work in the European Union 📃 Skills: Java, Spring, Hibernate, DB2, SpringBoot, Kafka, KafkaStreams, KafkaConnect, REST, Microservices, Docker, Git, GitLabCI, ISO20022, SWIFT, CBPR+, FIN, IBMMQ, JMS, IaC 🏢 Description: Empower Financial Innovation - Redefine Payment Systems with Next-Gen Technology! Warszawa-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java/Kafka Developer – Payments and Financial Messaging , you will be working for our client, a leader in the financial services industry, dedicated to transforming payment systems and implementing cutting-edge messaging standards. Join a dynamic team focused on adapting legacy applications to non-discretionary ISO20022 standards, enabling secure and efficient financial messaging worldwide. This role offers an exciting pathway for career growth within a forward-thinking organization committed to innovation. Your main responsibilities: Collaborate in requirements gathering sessions with business stakeholders to ensure technical solutions meet business needs Analyze, design, and plan impactful technical changes within complex payment systems Develop, test, and deploy modifications to legacy applications aligned with ISO20022 standards Conduct code reviews, support UAT processes, and assist with seamless code releases Apply creative problem-solving to improve the tech stack and optimize system performance Reverse engineer complex code bases to implement high-impact modifications effectively You're ideal for this role if you have: Minimum 5 years of professional experience in Java development Strong expertise in Java, Spring, Hibernate, and DB2 Experience with Spring Boot, dependency injection, auto-configuration, and Spring Data Hands-on knowledge of Apache Kafka (producers, consumers, Kafka Streams, Kafka Connect) Familiarity with RESTful API development, and microservices architectures Knowledge of containerization tools like Docker Proficiency with Git, CI/CD pipelines (preferably GitLab CI) It is a strong plus if you have: Past experience in financial services, banking technology, or payments industry is a plus Understanding of financial messaging standards such as ISO 20022, SWIFT, CBPR+ or FIN Experience with IBM MQ / JMS - queue managers and channels Infrastructure as Code expertise - provisioning and managing infrastructure Language Required for the role: Fluent Polish and English communication skills 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: Hybrid Mid-Level Java Fullstack Developer role focused on building and enhancing a modern Settlement Instructions management application within the financial sector. The position involves developing scalable backend services and dynamic frontend components while supporting DevOps and cloud-based deployments. You will contribute to streamlining global payment processes through robust, compliant, and high-quality software solutions. 🗂️ Requirements: 3+ years of professional experience in fullstack development, Strong proficiency in Java 8/17, Strong proficiency in Spring Boot, Strong proficiency in Angular 15, Experience with micro-frontend architecture, Experience with Nx workspace, Knowledge of CI/CD pipelines, Experience with Kubernetes, Familiarity with ELK stack, Fluency in Polish and English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Angular, Nx, Microfrontend, CI/CD, Bitbucket, Jenkins, SonarQube, Kubernetes, ELK, Liquibase, Hibernate, IBMMQ, vavr, Oracle, PLSQL 🏢 Description: Unleash the power of innovative software development — shape the future with bold, scalable solutions! Warszawa-based opportunity with hybrid work model. As a Mid-Level Java Fullstack Developer , you will be working for our client, a leader in financial technology, focused on building and deploying a cutting-edge application for managing Settlement Instructions. You will contribute to a pivotal project that streamlines back-office payment processes, enabling seamless and compliant financial operations across the globe. Join us in driving digital transformation and shaping smarter, more efficient financial systems! Your main responsibilities: Develop and enhance robust backend solutions using Java 8/17, Spring Boot, and related frameworks. Build dynamic and responsive front-end components with Angular 15, Nx workspace, and micro-frontend architecture. Collaborate across teams to integrate backend services with intuitive UI features, ensuring an optimal user experience. Implement and manage DevOps practices, including CI/CD pipelines with Bitbucket, Jenkins, and SonarQube. Leverage container orchestration and monitoring tools like Kubernetes and ELK stack for scalable and reliable deployment. Maintain high code quality through comprehensive testing, code reviews, and adherence to best practices. Engage in continuous learning and contribute to team knowledge sharing with a collaborative, proactive attitude. You're ideal for this role if you have: 3+ years of professional experience in fullstack development, with a solid understanding of both backend and frontend technologies. Strong proficiency in Java (8/17), Spring Boot, and Angular 15. Experience with micro-frontend architectures, Nx workspace, and related tools. Knowledge of DevOps principles, CI/CD pipelines, and container orchestration (Kubernetes). Familiarity with monitoring tools such as ELK stack. A team-oriented mindset with excellent problem-solving skills and adaptability. Fluency in Polish and English (written and spoken). It is a strong plus if you have: Certifications in Java, Angular, or DevOps tools. Experience with Liquibase, Hibernate, IBM MQ, or vavr. Knowledge of Oracle PL/SQL. Language Required for the role: Fluent in Polish and English (written and spoken). 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: Mid-Level Java Fullstack Developer role focused on building and enhancing a cutting-edge Settlement Instructions management application in the financial sector. The position combines backend and frontend development with DevOps practices to deliver scalable, compliant, and high-quality solutions. Work in a hybrid model contributing to digital transformation of global payment processes. 🗂️ Requirements: 3+ years of fullstack development experience, Proficiency in Java 8/17, Strong knowledge of Spring Boot, Experience with Angular 15, Experience with micro-frontend architecture, Experience with Nx workspace, Knowledge of CI/CD pipelines, Experience with Kubernetes, Familiarity with ELK stack, Understanding of DevOps principles, Fluency in Polish and English, Legal right to work in the European Union 📃 Skills: Java, SpringBoot, Angular15, Nx, Microfrontends, DevOps, CICD, Bitbucket, Jenkins, SonarQube, Kubernetes, ELK, Liquibase, Hibernate, IBMMQ, Vavr, Oracle, PLSQL 🏢 Description: Unleash the power of innovative software development — shape the future with bold, scalable solutions! Warszawa-based opportunity with hybrid work model. As a Mid-Level Java Fullstack Developer , you will be working for our client, a leader in financial technology, focused on building and deploying a cutting-edge application for managing Settlement Instructions. You will contribute to a pivotal project that streamlines back-office payment processes, enabling seamless and compliant financial operations across the globe. Join us in driving digital transformation and shaping smarter, more efficient financial systems! Your main responsibilities: Develop and enhance robust backend solutions using Java 8/17, Spring Boot, and related frameworks. Build dynamic and responsive front-end components with Angular 15, Nx workspace, and micro-frontend architecture. Collaborate across teams to integrate backend services with intuitive UI features, ensuring an optimal user experience. Implement and manage DevOps practices, including CI/CD pipelines with Bitbucket, Jenkins, and SonarQube. Leverage container orchestration and monitoring tools like Kubernetes and ELK stack for scalable and reliable deployment. Maintain high code quality through comprehensive testing, code reviews, and adherence to best practices. Engage in continuous learning and contribute to team knowledge sharing with a collaborative, proactive attitude. You're ideal for this role if you have: 3+ years of professional experience in fullstack development, with a solid understanding of both backend and frontend technologies. Strong proficiency in Java (8/17), Spring Boot, and Angular 15. Experience with micro-frontend architectures, Nx workspace, and related tools. Knowledge of DevOps principles, CI/CD pipelines, and container orchestration (Kubernetes). Familiarity with monitoring tools such as ELK stack. A team-oriented mindset with excellent problem-solving skills and adaptability. Fluency in Polish and English (written and spoken). It is a strong plus if you have: Certifications in Java, Angular, or DevOps tools. Experience with Liquibase, Hibernate, IBM MQ, or vavr. Knowledge of Oracle PL/SQL. Language Required for the role: Fluent in Polish and English (written and spoken). 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: Mid-Level Java Fullstack Developer role focused on building and enhancing a cutting-edge Settlement Instructions management application in the fintech domain. The position involves developing scalable backend services and dynamic frontend components while supporting DevOps and cloud-native deployment practices. The role contributes to streamlining global back-office payment processes through robust, compliant digital solutions. 🗂️ Requirements: 3+ years fullstack development experience, Proficiency in Java 8/17, Experience with Spring Boot, Proficiency in Angular 15, Experience with micro-frontend architecture, Experience with Nx workspace, Knowledge of CI/CD pipelines, Experience with Kubernetes, Familiarity with ELK stack, Fluent Polish and English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Angular, Nx, Microfrontend, CI/CD, Bitbucket, Jenkins, SonarQube, Kubernetes, ELK, Liquibase, Hibernate, IBMMQ, vavr, Oracle, PLSQL 🏢 Description: Unleash the power of innovative software development — shape the future with bold, scalable solutions! Warszawa-based opportunity with hybrid work model. As a Mid-Level Java Fullstack Developer , you will be working for our client, a leader in financial technology, focused on building and deploying a cutting-edge application for managing Settlement Instructions. You will contribute to a pivotal project that streamlines back-office payment processes, enabling seamless and compliant financial operations across the globe. Join us in driving digital transformation and shaping smarter, more efficient financial systems! Your main responsibilities: Develop and enhance robust backend solutions using Java 8/17, Spring Boot, and related frameworks. Build dynamic and responsive front-end components with Angular 15, Nx workspace, and micro-frontend architecture. Collaborate across teams to integrate backend services with intuitive UI features, ensuring an optimal user experience. Implement and manage DevOps practices, including CI/CD pipelines with Bitbucket, Jenkins, and SonarQube. Leverage container orchestration and monitoring tools like Kubernetes and ELK stack for scalable and reliable deployment. Maintain high code quality through comprehensive testing, code reviews, and adherence to best practices. Engage in continuous learning and contribute to team knowledge sharing with a collaborative, proactive attitude. You're ideal for this role if you have: 3+ years of professional experience in fullstack development, with a solid understanding of both backend and frontend technologies. Strong proficiency in Java (8/17), Spring Boot, and Angular 15. Experience with micro-frontend architectures, Nx workspace, and related tools. Knowledge of DevOps principles, CI/CD pipelines, and container orchestration (Kubernetes). Familiarity with monitoring tools such as ELK stack. A team-oriented mindset with excellent problem-solving skills and adaptability. Fluency in Polish and English (written and spoken). It is a strong plus if you have: Certifications in Java, Angular, or DevOps tools. Experience with Liquibase, Hibernate, IBM MQ, or vavr. Knowledge of Oracle PL/SQL. Language Required for the role: Fluent in Polish and English (written and spoken). 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: Mid-level engineering role focused on developing and supporting Java and React-based microservices for a global payments platform, enabling secure and high-volume fund transfers. The position involves modernizing legacy systems into API-driven architectures and enhancing automation and transaction processing. Hybrid work model with strong emphasis on scalable, reliable financial systems. 🗂️ Requirements: Minimum 4 years of software development experience, Strong experience with Java 11+, Commercial experience with ReactJS, Experience building RESTful microservices and APIs, Hands-on experience with Kubernetes, Experience with Git, Experience with Unix-based systems, Strong knowledge of SQL and Oracle databases, Fluent English, Legal right to work in the European Union 📃 Skills: Java, ReactJS, Microservices, REST, API, Kubernetes, Git, Unix, SQL, Oracle, Spring, SpringBoot, JavaScript, WebSphere, Automation, DevOps 🏢 Description: Unleash innovation — shape the future of digital payments Krakow-based opportunity with hybrid work model (up to 3 remote days per week) As a Mid-Level Java & React Microservices Engineer – Payments Platform , you will be working for our client, a leading provider in the financial technology industry. You will contribute to the development and support of the Global Disbursements platform, enabling customers worldwide to move funds rapidly and securely—fueling seamless global transactions, paying suppliers, allocating salaries, settling taxes, and transferring money across multiple channels. Join us and be part of a transformative journey in modern payments technology, fostering innovation and growth in your career. Your main responsibilities: Building and supporting microservices and applications (both front-end and back-end) using Java 11/17/21 and ReactJS, ensuring high-quality standards and reliability. Migrating from mainframe systems and IBM WebSphere to modern API and microservices architectures to reduce costs and complexity. Implementing automation testing frameworks to decrease testing costs and increase efficiency. Enhancing Straight-Through Processing (STP) capabilities of services to streamline transaction flows. You're ideal for this role if you have: Minimum of 4 years of experience in software development, particularly in Java and React environments. Proficiency with Java 11+, preferably Java 17+. Hands-on experience with Kubernetes, Git, and Unix-based systems. Strong knowledge of database technologies and SQL, especially Oracle. Solid understanding of RESTful microservices and APIs. Experience working within a DevOps delivery team is a plus. Familiarity with application monitoring and Spring/Spring Boot is desirable. It is a strong plus if you have: Certifications or experience in automation testing frameworks. Knowledge of Web technologies and JavaScript. Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: ITDS Business Consultants is involved in 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. The offer includes: 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 Participation in Social Events, training, and work in an international environment Access to an attractive Medical Package Access to Multisport Program #GETREADY Internal job ID #8860 You can report violations in accordance with ITDS’s Whistleblower Procedure available here .

🏢 Summary: Senior Java Developer role focused on building and maintaining core banking systems using modern Java and event-driven microservices architecture. The position involves developing scalable services, evolving legacy systems, and contributing to a complex microservices ecosystem within a CI/CD environment. Remote work model with strong emphasis on high-quality, domain-driven design in the financial sector. 🗂️ Requirements: 7+ years of Java development experience, Experience in banking or financial services, Deep knowledge of Java 21/25, Strong knowledge of Spring Boot, Experience with MongoDB, Strong experience with Apache Kafka, Experience with event-driven architecture, Proficiency in REST APIs, Proficiency with Git, Proficiency with Maven, Experience with CI/CD tools, Experience with microservices architecture, Understanding of Domain-Driven Design (DDD), Ability to work with legacy systems, Communicative Polish, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, MongoDB, Kafka, REST, Git, Maven, Jenkins, OpenShift, JaCoCo, SonarQube, CQRS, DDD, Hexagonal, Microservices, CI/CD 🏢 Description: Empower scalable financial systems — drive innovation in banking technology! Warsaw-based opportunity with remote work model (up to 5 days remote per week). As a Senior Java Developer , you will be working for our client, a leader in the banking industry, dedicated to building and maintaining core domain systems that serve internal clients. Join us in creating robust, event-driven microservices that shape the future of banking infrastructure, fostering seamless digital experiences and technological excellence. Your main responsibilities: Develop and maintain core banking services using Java 21/25, Spring Boot 4.0, and MongoDB. Design and implement event-driven architectures utilizing Apache Kafka and Schema Registry. Collaborate on microservices ecosystem, ensuring high quality and scalability. Work with legacy code and contribute to system evolution within a complex environment. Ensure code quality through tools like JaCoCo and SonarQube, following best practices. Participate in CI/CD pipelines using OpenShift, Jenkins, and Maven. Apply Domain-Driven Design (DDD), CQRS, and Hexagonal architecture principles. Work independently within a mono-repo approach, managing multiple repositories and shared libraries. You're ideal for this role if you have: 7+ years of experience in Java development, ideally within banking or financial services. Deep knowledge of Java (21/25), Spring Boot, and MongoDB. Strong experience with Kafka and event-driven architecture. Proficiency with REST APIs, Git, Maven, and CI/CD tools. Ability to work with legacy systems and develop scalable solutions. Solid understanding of microservices architecture and domain modeling. It is a strong plus if you have: (optional) Certifications or experience in OpenShift, Jenkins, or related cloud technologies. Language Required for the role: Communicative Polish. 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 Full Stack Developer role focused on building and supporting scalable banking applications within a global engineering team. The position involves developing microservices-based systems, ensuring production stability, and driving digital transformation in financial services. Hybrid work model with strong emphasis on DevOps, observability, and end-to-end support. 🗂️ Requirements: 6+ years of Java and full-stack development experience, Expertise in Java 21 and Spring Boot 3.x, Experience with microservices architecture and REST APIs, Strong knowledge of React JS, Experience with PostgreSQL, Experience with messaging systems (MQ or Solace), Familiarity with Kubernetes and Redis, Experience with CI/CD and DevOps practices, Knowledge of observability and monitoring tools, Fluent English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, JSON, React, PostgreSQL, MQ, Solace, Kubernetes, Redis, Grafana, Splunk, Logstash, Prometheus, Jenkins, Ansible, CI/CD, DevOps 🏢 Description: Empower financial innovation — shape the future of banking technology! Krakow-based opportunity with hybrid work model allowing up to 3 remote days per week. As a Senior Java Full Stack Developer – Banking and Financial Services , you will be working for our client, a leading global bank, contributing to the development and support of critical financial applications. You will help build robust, scalable systems that drive digital transformation in the banking sector, offering innovative solutions to complex financial challenges. Your main responsibilities: Deliver application enhancements and provide ongoing support as a key member of a global engineering team. Collaborate with business stakeholders to plan, execute, and meet project milestones. Lead the resolution of critical incidents, ensuring timely fixes and issue resolution. Own end-to-end production support, managing support requests, tickets, and queries. Diagnose, troubleshoot, and resolve application performance, stability, and usability issues. Create and maintain technical documentation, best-practice guides, and process artifacts. Continuously develop your skills through training, certifications, and practical experience. Act as a subject matter expert for system functionality, operational constraints, and best practices. Participate actively in agile delivery, identifying risks and dependencies early. You're ideal for this role if you have: 6+ years of experience in Java development and full-stack engineering. Deep expertise with Java 21, Spring Boot 3.x, microservices, REST APIs, and JSON. Strong knowledge of React JS, PostgreSQL, and messaging systems like MQ or Solace. Working familiarity with Kubernetes, Redis, and application security best practices. Exposure to observability tools and DevOps/CI/CD pipelines: Grafana, Splunk, Logstash, Prometheus, Jenkins, Ansible. Excellent written and verbal communication skills in English. Ability to work effectively across distributed teams with responsiveness and ownership. Customer-focused mindset with a passion for high-quality deliverables. Comfortable operating within a DevOps model, supporting testing, analysis, and support tasks. It is a strong plus if you have: Basic Python, shell scripting, and experience with workflow engines like Activiti. Familiarity with testing frameworks such as JMock/Mockito and Selenium. Support or development experience with workflow-based applications. Language Required for the role: Fluent English 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: Mid-Level Java Developer role focused on building and maintaining scalable financial software solutions in a digital banking environment. The position involves developing, testing, and optimizing applications using modern Java and related technologies within an Agile team. The role offers a flexible remote work model while contributing to high-impact financial systems. 🗂️ Requirements: Minimum 4 years of professional experience in software development, Strong knowledge of Java 8 or higher, Strong knowledge of Spring Boot, English language proficiency at minimum B1 level, Fluent communication in Polish, Legal right to work in the European Union 📃 Skills: Java, SpringBoot, Angular, MSSQL, PostgreSQL, Kubernetes, GitLabCI, Jenkins, JIRA 🏢 Description: Unleash innovative financial software — shape the future of digital banking! Wroclaw-based opportunity with a flexible remote work model (up to 5 days per week). As a Mid-Level Java Developer , you will be working for our client, a leader in the national financial market. You will contribute to developing robust and scalable software solutions that drive the future of financial services. Join us in building impactful technology that empowers millions of users and accelerates the digital transformation of finance. Your main responsibilities: Develop, test, and deploy financial software applications following industry best practices. Collaborate with business teams to design innovative, efficient solutions. Maintain and review high-quality code to ensure top standards. Participate actively in Agile team activities, including code reviews and sprint planning. Contribute to system optimization and troubleshoot issues promptly. Work with modern technologies such as Angular, Java 8+, Spring Boot, MS SQL, and PostgreSQL. Support continuous integration and deployment processes, possibly using Kubernetes, GitLab CI, Jenkins, and JIRA. You're ideal for this role if you have: Minimum 4 years of professional experience as a software developer. Strong knowledge of Java 8+ and Spring Boot. Experience with Angular or similar modern frameworks - nice to have Good communication skills in English (minimum B1 level). Openness to collaborate with business teams, testers, and analysts. Desire to influence technology choices and project methodologies. It is a strong plus if you have: (optional) Experience with Kubernetes, GitLab CI, Jenkins, or JIRA. Language Required for the role: Fluent communication in Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered. #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 designing and enhancing a large-scale payment terminal management system in a hybrid Warsaw-based setup. The position involves building, integrating, and upgrading distributed solutions to improve performance, security, and scalability. You will work with legacy systems, automated testing, and message-driven architectures in a complex financial environment. 🗂️ Requirements: Minimum 4 years of Java development experience, Strong object-oriented programming skills, Proficiency in Java 8+, Experience with Spring and Spring Boot, Experience with Hibernate/JPA and JEE, Hands-on experience with RabbitMQ or other message queues, Experience with Maven and Git, Familiarity with Gitlab, Jenkins, Nexus, Jira, Strong knowledge of Oracle or other relational databases, Experience designing and integrating REST APIs, Experience with distributed systems, Experience with JBoss or WildFly, Experience with Hazelcast or other caching technologies, Good command of English (B2 level) 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, Gitlab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Hazelcast, Docker, Kubernetes, Fortify, Sonatype, Microservices 🏢 Description: Ignite innovation in enterprise systems — architect the future of payment terminal management! Warszawa-based opportunity with hybrid work model. As a Senior Java Developer – Backend and System Integration , you will be working for our client, a leader in terminal management systems, focused on managing extensive payment terminals across diverse hardware vendors. You will help design and implement scalable IT solutions that enhance system integration and optimize business processes, contributing to cutting-edge financial technology. Your main responsibilities: Design and implement IT solutions based on analytical and technical documentation. Review and create technical documentation for system components. Perform system upgrades and work with legacy code, including reverse engineering. Define and build test cases for automated testing frameworks. Collaborate on system integration projects using REST, SOAP, RMI, and database links. Contribute to migration efforts from TMS to RTMS components. Work with distributed systems, message queues (RabbitMQ), and application servers (WildFly/JBoss). Support vulnerability assessments and ensure system security compliance. You're ideal for this role if you have: At least 4 years of experience in Java development and system integration. Very good knowledge of Java 8+ and object-oriented programming. Practical experience with Spring, Spring Boot, Hibernate/JPA, and JEE frameworks. Hands-on experience with RabbitMQ and relational databases, especially Oracle. Proficiency in RESTful API design and distributed systems. Familiarity with application servers (WildFly/JBoss) and version control (Git, Maven, Jenkins, GitLab CI/CD). It is a strong plus if you have: Experience with scanning tools like Fortify or Sonatype. Knowledge of Hazelcast for distributed caching. Language Required for the role: Fluent Polish and English, at least B2 level. 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.