Senior Java Developer – Mobile Payments with BLIK Integration

🏢 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.

🏢 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 integrating enterprise financial applications within a high-impact reporting platform, working in a hybrid model in Warsaw. The position involves developing scalable Java-based services, optimizing system performance, and contributing to digital transformation initiatives in an Agile environment. 🗂️ Requirements: Minimum 5 years of professional experience in Java development for enterprise applications, Advanced knowledge of Java, Spring, Spring Boot, Hibernate, JPA, REST APIs, Experience with Oracle databases and SQL, Experience with DevOps practices, Familiarity with SOAP services, Experience working in Agile methodologies, Knowledge of Maven and RabbitMQ, Communicative level of Polish, Good command of English (B2 level), Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, SOAP, Oracle, SQL, Maven, RabbitMQ, Agile, DevOps 🏢 Description: Empower scalable financial solutions — drive innovation in enterprise applications! Warszawa-based opportunity with 100% remote work model. As a Senior Java Developer , you will be working for our client, a leading provider of financial reporting and corporate application services. You’ll contribute to the development and integration of innovative services within a high-impact platform used for financial statements and operational metrics, supporting complex decision-making processes. This role offers a unique chance to work at the forefront of digital transformation and deepen your technical expertise in a vibrant, evolving environment. Your main responsibilities: Develop, maintain, and optimize enterprise-level Java applications with advanced knowledge of Spring, Hibernate, JPA, and RESTful APIs. Integrate services with the Bali group application, ensuring seamless data flow and system reliability. Collaborate in an Agile environment, contributing to system analysis, testing, and continuous improvement initiatives. Implement DevOps practices and utilize Oracle databases to enhance system performance and scalability. Support the development of new features and functions aligned with client requirements and industry standards. Write comprehensive unit tests to ensure code quality and maintainability. Engage in system analysis and troubleshooting, delivering timely resolutions. Work closely with cross-functional teams, including product owners and QA, to ensure successful project delivery. You're ideal for this role if you have: At least 5 years of professional experience in Java development, focused on enterprise applications. Advanced proficiency in Java, Spring, Boot, Hibernate, JPA, and REST APIs. Experience working with Oracle databases, both SQL and data management tools. Familiarity with DevOps practices and SOAP services. Strong understanding of Agile methodologies and experience with tools like Maven and RabbitMQ. Good command of English (B2 level). It is a strong plus if you have: (optional) Knowledge of PostgreSQL and additional experience with system analysis techniques. Certification in Scrum or related Agile frameworks. Language Required for the role: Polish (Communicative level). Eligibility to work on this 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 designing and modernizing distributed microservices systems for large-scale payment terminal management. The position involves building secure, scalable solutions using Java and related enterprise technologies, supporting system integration and legacy modernization. Hybrid work model in Warsaw with strong emphasis on system performance, security, and reliability. 🗂️ Requirements: 4+ years of Java development experience, Strong knowledge of Java 8+ and OOP, Experience with Spring and Spring Boot, Experience with Hibernate/JPA and JEE, Experience with RabbitMQ or message queues, Experience with RESTful APIs, Experience with relational databases (Oracle), Experience with distributed systems and system integration, Knowledge of JBoss or WildFly, Experience with Maven, Git, Gitlab, Jenkins, Nexus, Jira, Ability to create and review technical documentation, English level B2, Ability to work from Warsaw office 4 days per week, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, RabbitMQ, REST, Oracle, Maven, Git, Gitlab, Jenkins, Nexus, Jira, JBoss, WildFly, CICD, DistributedSystems 🏢 Description: Unleash innovation in distributed systems — shape the future of microservices! Warsaw-based opportunity with hybrid work model. As a Senior Java Developer , you will be working for our client, an industry leader in terminal management systems, dedicated to creating robust solutions for managing millions of payment terminals worldwide. You will contribute to the design and implementation of cutting-edge IT solutions that enhance system performance, security, and scalability, driving digital transformation in the payments industry. Your main responsibilities: Design and implement IT solutions based on analytical and technical documentation Review and validate analytical documentation to ensure system integrity Create detailed technical documentation for development and maintenance Perform technical upgrades and work with legacy codebases Conduct regular vulnerability scans to ensure system security Collaborate on distributed systems development utilizing Spring, Hibernate, and RabbitMQ Support system integration with internal and external APIs and services Optimize and maintain application servers such as JBoss/WildFly Contribute to the migration and modernization of existing systems You're ideal for this role if you have: 4+ years of experience in Java development, with senior-level expertise Strong knowledge of Java 8+ and object-oriented programming principles Proven experience with Spring, Spring Boot, Hibernate/JPA, and JEE frameworks Practical knowledge of message queue systems, particularly RabbitMQ Familiarity with tools supporting development processes: Maven, Git, Gitlab, CI/CD pipelines, Jenkins, Nexus, Jira Working experience with relational databases, especially Oracle Practical knowledge of RESTful API design Experience with distributed systems and system integration Knowledge of application servers, including JBoss/WildFly Ability to review analytical documentation and create technical specifications Excellent command of Polish and English (B2 level) Ability to work from the Warsaw office 4 days per week + 1 day remote It is a strong plus if you have: Experience with scanning tools such as Fortify or Sonatype Eligibility to work on this 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 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 Developer role focused on designing and modernizing distributed microservices systems for large-scale payment terminal management. The position involves building and optimizing secure, scalable solutions using Java and related enterprise technologies in a hybrid Warsaw-based model. 🗂️ Requirements: 4+ years of Java development experience, Strong knowledge of Java 8+ and OOP, Experience with Spring and Spring Boot, Experience with Hibernate/JPA and JEE, Practical experience with RabbitMQ, Experience with Maven and Git, Experience with CI/CD and Jenkins, Experience with relational databases (Oracle), Experience designing RESTful APIs, Experience with distributed systems, Knowledge of JBoss or WildFly, Ability to work from Warsaw office 4 days per week, Fluent Polish and English (B2), Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, Gitlab, CI/CD, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly 🏢 Description: Unleash innovation in distributed systems — shape the future of microservices! Warsaw-based opportunity with hybrid work model. As a Senior Java Developer , you will be working for our client, an industry leader in terminal management systems, dedicated to creating robust solutions for managing millions of payment terminals worldwide. You will contribute to the design and implementation of cutting-edge IT solutions that enhance system performance, security, and scalability, driving digital transformation in the payments industry. Your main responsibilities: Design and implement IT solutions based on analytical and technical documentation Review and validate analytical documentation to ensure system integrity Create detailed technical documentation for development and maintenance Perform technical upgrades and work with legacy codebases Conduct regular vulnerability scans to ensure system security Collaborate on distributed systems development utilizing Spring, Hibernate, and RabbitMQ Support system integration with internal and external APIs and services Optimize and maintain application servers such as JBoss/WildFly Contribute to the migration and modernization of existing systems You're ideal for this role if you have: 4+ years of experience in Java development, with senior-level expertise Strong knowledge of Java 8+ and object-oriented programming principles Proven experience with Spring, Spring Boot, Hibernate/JPA, and JEE frameworks Practical knowledge of message queue systems, particularly RabbitMQ Familiarity with tools supporting development processes: Maven, Git, Gitlab, CI/CD pipelines, Jenkins, Nexus, Jira Working experience with relational databases, especially Oracle Practical knowledge of RESTful API design Experience with distributed systems and system integration Knowledge of application servers, including JBoss/WildFly Ability to review analytical documentation and create technical specifications Excellent command of Polish and English (B2 level) Ability to work from the Warsaw office 4 days per week + 1 day remote It is a strong plus if you have: Experience with scanning tools such as Fortify or Sonatype Eligibility to work on this 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 scalable REST APIs and advanced backend systems using modern Java and Spring technologies. The position involves designing, developing, and testing secure enterprise solutions in a hybrid work model. It offers the opportunity to contribute to large-scale digital transformation initiatives. 🗂️ Requirements: 5+ years of professional experience in Java development, Strong expertise in Java 17+, Strong expertise in Spring Boot 3/4+, Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL, Experience in building and securing REST APIs, Ability to perform unit and integration testing, Ability to analyze requirements and translate them into technical solutions, Fluent English (written and spoken), Legal right to work in the European Union, Availability to work in a hybrid model (up to 2 remote days per week) 📃 Skills: Java, Spring, SpringBoot, Git, Kubernetes, Jenkins, Flyway, RabbitMQ, PostgreSQL, REST, UnitTesting, IntegrationTesting, Architecture, Security, English 🏢 Description: Unleash innovation with scalable enterprise solutions — shape the future of digital transformation! Warsaw-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Developer , you will be working for our client, a leading player in the technology industry committed to delivering cutting-edge software solutions. You will contribute to building robust, scalable REST APIs and advanced backend systems, empowering organizations to transform their digital landscapes and drive business success. This is your chance to grow your career at the forefront of technological innovation. Your main responsibilities: Analyze requirements and convert them into comprehensive technical tasks, supporting the development process. Propose and challenge technical solutions to ensure optimal implementation. Develop functionalities in Java 17+ using Spring Boot 3/4+ in line with architectural and security standards. Conduct thorough unit and integration testing to ensure code quality. Create and update technical and architectural documentation for ongoing project clarity. Share knowledge with team members to foster continuous learning and improvement. Stay updated on technological advancements and suggest innovative enhancements. You're ideal for this role if you have: 5+ years of professional experience in Java development or relevant fields. Strong expertise in Java 17+ and Spring Boot (version 3 or 4+). Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL. Proven ability to analyze complex requirements and translate them into technical solutions. Solid understanding of REST API development, architecture, security, and best practices. Excellent communication skills in fluent English. Ability to work in a hybrid model, with up to 2 remote days per week. It is a strong plus if you have: Knowledge of containerization and orchestration tools or certifications. Experience working within Agile teams or with CI/CD pipelines. Language Required for the role: Fluent English, written and spoken. Eligibility to work in Europe: 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 enhancing scalable digital banking solutions in a hybrid Krakow-based setup. The position involves developing microservices and REST APIs, supporting CI/CD pipelines, and ensuring high-quality, secure applications used by millions of customers worldwide. 🗂️ Requirements: 5+ years experience as Java Software Engineer, Strong knowledge of Java and Spring, Experience with REST APIs, Experience with microservices architecture, Experience with Docker, Experience with CI/CD in Jenkins, Experience with TDD, Understanding of data structures and algorithms, Knowledge of secure application design, Experience working in Agile teams, Fluent English, Legal right to work in the EU 📃 Skills: Java, Spring, REST, Microservices, Docker, Jenkins, CI/CD, TDD, Agile, Algorithms, Security, OOP, Concurrency 🏢 Description: Ignite innovation in digital banking — empower seamless financial experiences worldwide! Krakow-based opportunity with hybrid work model As a Senior Java Developer – Digital Banking Solutions , you will be working for our client, a leading global bank, driving forward their most exciting digital revolution. You’ll be contributing to impactful solutions that influence the banking behavior of over 37 million customers worldwide, shaping the future of digital finance through innovative technology. This is a unique career opportunity to collaborate with a dynamic team of experts from world-renowned technology companies and to be at the forefront of digital evolution in banking. Your main responsibilities: Design, develop, and test scalable microservices using Java within an agile environment. Implement robust REST APIs and integrate new features into existing digital solutions. Champion test-driven development (TDD) practices and ensure high-quality code through troubleshooting and debugging. Collaborate closely with cross-functional teams to deliver end-to-end digital banking products and services. Contribute to automation efforts and support the deployment pipeline with CI/CD pipelines in Jenkins and Docker. Assist in optimizing system performance and enhancing security measures. Participate in continuous improvement initiatives and adopt innovative technologies to improve processes. Provide production support and troubleshooting for live environments. You're ideal for this role if you have: 5+ years of professional experience as a Java Software Engineer. Strong knowledge of Java, Spring, REST, Docker, CI/CD in Jenkins, and microservices architecture. Experience with test-driven development (TDD) and troubleshooting skills. Experience working in an agile, cross-functional team. Good understanding of data structures, algorithms, and secure application design. Proven ability to adapt and learn new technologies rapidly. It is a strong plus if you have: (optional) Knowledge of concurrency in Java, OOP principles, or clean code practices. Certifications in Java or related fields. Language Required for the role: Fluent English, with excellent communication skills. Eligibility to work on this 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 enhancing scalable digital banking solutions in a hybrid Krakow-based environment. The position involves designing microservices, implementing REST APIs, and supporting CI/CD pipelines to deliver secure, high-quality banking products for millions of users worldwide. 🗂️ Requirements: 5+ years of professional experience as Java Software Engineer, Strong knowledge of Java and Spring, Experience with REST APIs and microservices architecture, Experience with Docker and CI/CD in Jenkins, Experience with test-driven development (TDD), Strong troubleshooting and debugging skills, Understanding of data structures and algorithms, Knowledge of secure application design, Experience working in agile cross-functional teams, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Spring, REST, Microservices, Docker, Jenkins, CI/CD, TDD, Algorithms, Security, Agile 🏢 Description: Ignite innovation in digital banking — empower seamless financial experiences worldwide! Krakow-based opportunity with hybrid work model As a Senior Java Developer – Digital Banking Solutions , you will be working for our client, a leading global bank, driving forward their most exciting digital revolution. You’ll be contributing to impactful solutions that influence the banking behavior of over 37 million customers worldwide, shaping the future of digital finance through innovative technology. This is a unique career opportunity to collaborate with a dynamic team of experts from world-renowned technology companies and to be at the forefront of digital evolution in banking. Your main responsibilities: Design, develop, and test scalable microservices using Java within an agile environment. Implement robust REST APIs and integrate new features into existing digital solutions. Champion test-driven development (TDD) practices and ensure high-quality code through troubleshooting and debugging. Collaborate closely with cross-functional teams to deliver end-to-end digital banking products and services. Contribute to automation efforts and support the deployment pipeline with CI/CD pipelines in Jenkins and Docker. Assist in optimizing system performance and enhancing security measures. Participate in continuous improvement initiatives and adopt innovative technologies to improve processes. Provide production support and troubleshooting for live environments. You're ideal for this role if you have: 5+ years of professional experience as a Java Software Engineer. Strong knowledge of Java, Spring, REST, Docker, CI/CD in Jenkins, and microservices architecture. Experience with test-driven development (TDD) and troubleshooting skills. Experience working in an agile, cross-functional team. Good understanding of data structures, algorithms, and secure application design. Proven ability to adapt and learn new technologies rapidly. It is a strong plus if you have: (optional) Knowledge of concurrency in Java, OOP principles, or clean code practices. Certifications in Java or related fields. Language Required for the role: Fluent English, with excellent communication skills. Eligibility to work on this 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.