Senior Java Microservices Engineer – Cloud & DevOps

🏢 Summary: Senior Java Software Engineer role focused on modernizing legacy banking applications and developing microservices for financial transaction and regulatory reporting platforms. The position involves designing Java 17 and Spring Boot solutions, improving observability, and collaborating with global teams in a hybrid Krakow-based work model. 🗂️ Requirements: 5+ years of experience developing and supporting distributed Java systems, Experience designing microservices, Strong knowledge of Java 17, Experience with Spring Boot, Experience with Java frameworks, Experience with DevOps tools, Experience with JIRA, Experience with Confluence, Experience with Ansible, Experience with CI/CD pipelines, Knowledge of REST APIs, Experience with Spring Cloud, Experience with GCP, Experience with Redis, Fluent English, Legal right to work in Europe 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SpringCloud, GCP, Redis, Ansible, JIRA, Confluence, CI/CD, GitHub, Claude, Angular 🏢 Description: Empower innovation at the forefront of cloud and microservices — shape the future of banking technology. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java Software Engineer, you will be working on transforming banking through cutting-edge IT solutions. You’ll contribute to the modernization of legacy Java applications, supporting high-impact financial transactions and regulatory reporting platforms. This role offers the chance to be part of a dynamic team driving digital innovation and operational excellence. Quick Facts - Hybrid work model with up to 3 remote days per week - Focus on banking technology modernization - Work with modern cloud and microservices technologies Your main responsibilities: - Actively participate in incident, problem, and service management activities, ensuring continuous service delivery - Modernize legacy Java applications leveraging Github Co-Pilot, Claude Code, and other modern tools - Collaborate closely with business product owners, IT specialists, architects, and management to analyze and translate requirements into technical solutions - Design and develop robust microservices using Java 17 and Spring Boot within an Agile environment - Create observability solutions for monitoring, alerting, incident response, and capacity management, ensuring high system reliability You're ideal for this role if you have: - 5+ years of experience in developing and supporting distributed Java systems - Strong expertise in designing microservices with Java 17 and Spring Boot - Experience with Java frameworks, DevOps tools, and application lifecycle management (e.g., JIRA/Confluence, Ansible, CI/CD pipelines) - Proficiency in REST APIs, Spring Cloud, GCP, Redis, and related technologies - Excellent analytical and communication skills, capable of working across regions with a global perspective Strong plus: - Knowledge of Angular, vulnerability remediation, or related cloud technologies Language required for the role: - Fluent English with strong communication skills Eligibility: - Only candidates with an existing legal right to work in Europe will be considered

🏢 Summary: Senior Java Developer role focused on designing and delivering scalable APIs and microservices within a cloud-native platform environment. The position involves building high-performance backend solutions in Java and Kotlin, working in Agile CI/CD teams, and driving integration and compliance excellence. Hybrid work model based in Kraków. 🗂️ Requirements: 5+ years of software development experience, Strong experience with Java, Strong experience with Kotlin, Experience in API development, Experience with SQL and databases, Knowledge of HTML and JavaScript, Understanding of microservices architecture, Experience working in Agile environments, Experience using Jira and Confluence, Fluent English (B2+), Legal right to work in the European Union 📃 Skills: Java, Kotlin, API, SQL, HTML, JavaScript, Microservices, Jira, Confluence, CI/CD, AWS, Azure, GCP, Jenkins, Linux, AIX, WAS 🏢 Description: Unleash innovation — master scalable APIs and Microservices to transform digital ecosystems! Kraków-based opportunity with hybrid work model As a Senior Java Developer – API & Microservices Expert , you will be working for our client, a leader in building cloud-native platforms focused on streamlining software development & compliance management. Contribute to cutting-edge microservice architectures, helping development teams achieve operational excellence and compliance. This role offers a chance to shape scalable solutions and advance your career in a dynamic tech environment. Your main responsibilities: Collaborate with cross-functional teams to design, develop, and implement impactful APIs and microservices. Build robust backend solutions using Java and Kotlin, ensuring high performance and scalability. Lead efforts in troubleshooting, optimizing, and ensuring seamless integrations across platforms. Work within an agile CI/CD environment to deliver rapid, high-quality iterations. Engage proactively with users and stakeholders to understand and respond to their needs. Participate in peer code reviews and automate testing to maintain high development standards. You're ideal for this role if you have: Over 5 years of experience in software development, with a focus on Java and Kotlin. Proven expertise in API creation, SQL/databases, and HTML/JavaScript. Strong troubleshooting and analytical skills. Experience working in Agile environments using Jira and Confluence. Good understanding of microservices architecture. Fluent English (B2+) communication skills. It is a strong plus if you have: (optional) Experience with cloud platforms like AWS, Azure, or GCP. Knowledge of CI/CD pipelines with Jenkins. Background in Systems Administration across Linux, AIX, or WAS platforms. Language Required for the role: Fluent English (B2+) Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #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 building scalable APIs and microservices within a cloud-native environment. The position involves developing high-performance backend solutions in Java and Kotlin, ensuring seamless integrations, and working in an agile CI/CD setup. It offers the opportunity to shape robust microservice architectures and drive operational excellence. 🗂️ Requirements: 5+ years of software development experience, Strong experience with Java, Strong experience with Kotlin, Proven expertise in API development, Experience with SQL and databases, Knowledge of HTML and JavaScript, Understanding of microservices architecture, Experience working in Agile environments, Experience with Jira and Confluence, Strong troubleshooting and analytical skills, Fluent English (B2+), Legal right to work in the European Union 📃 Skills: Java, Kotlin, API, SQL, HTML, JavaScript, Microservices, Jira, Confluence, CI/CD, Jenkins, AWS, Azure, GCP, Linux, AIX, WAS 🏢 Description: Unleash innovation — master scalable APIs and Microservices to transform digital ecosystems! As a Senior Java Developer – API & Microservices Expert, you will be working on building cloud-native platforms focused on streamlining software development and compliance management. Contribute to cutting-edge microservice architectures, helping development teams achieve operational excellence and compliance. This role offers a chance to shape scalable solutions and advance your career in a dynamic tech environment. Quick Facts: - Hybrid work model Your main responsibilities: - Collaborate with cross-functional teams to design, develop, and implement impactful APIs and microservices - Build robust backend solutions using Java and Kotlin, ensuring high performance and scalability - Lead efforts in troubleshooting, optimizing, and ensuring seamless integrations across platforms - Work within an agile CI/CD environment to deliver rapid, high-quality iterations - Engage proactively with users and stakeholders to understand and respond to their needs - Participate in peer code reviews and automate testing to maintain high development standards You're ideal for this role if you have: - Over 5 years of experience in software development, with a focus on Java and Kotlin - Proven expertise in API creation, SQL/databases, and HTML/JavaScript - Strong troubleshooting and analytical skills - Experience working in Agile environments using Jira and Confluence - Good understanding of microservices architecture - Fluent English (B2+) communication skills It is a strong plus if you have: - Experience with cloud platforms like AWS, Azure, or GCP - Knowledge of CI/CD pipelines with Jenkins - Background in Systems Administration across Linux, AIX, or WAS platforms Language Required for the role: - Fluent English (B2+) Eligibility to work in the European Union: - Only candidates with an existing legal right to work in the EU will be considered for this role

🏢 Summary: Senior Java Developer role focused on designing and building scalable APIs and microservices within a cloud-native environment, contributing to high-performance backend systems and seamless platform integrations. The position involves working in an Agile CI/CD setup to deliver robust, compliant, and scalable digital solutions. Hybrid work model based in Kraków. 🗂️ Requirements: 5+ years of experience in software development, Strong experience with Java, Strong experience with Kotlin, Experience in building APIs, Experience with SQL and databases, Experience with HTML, Experience with JavaScript, Understanding of microservices architecture, Experience working in Agile environment, Experience with Jira, Experience with Confluence, Fluent English (B2+), Legal right to work in the EU 📃 Skills: Java, Kotlin, SQL, HTML, JavaScript, Microservices, API, Agile, Jira, Confluence, AWS, Azure, GCP, Jenkins, Linux, AIX, WAS, CI/CD 🏢 Description: Unleash innovation — master scalable APIs and Microservices to transform digital ecosystems! Kraków-based opportunity with hybrid work model As a Senior Java Developer – API & Microservices Expert , you will be working for our client, a leader in building cloud-native platforms focused on streamlining software development & compliance management. Contribute to cutting-edge microservice architectures, helping development teams achieve operational excellence and compliance. This role offers a chance to shape scalable solutions and advance your career in a dynamic tech environment. Your main responsibilities: Collaborate with cross-functional teams to design, develop, and implement impactful APIs and microservices. Build robust backend solutions using Java and Kotlin, ensuring high performance and scalability. Lead efforts in troubleshooting, optimizing, and ensuring seamless integrations across platforms. Work within an agile CI/CD environment to deliver rapid, high-quality iterations. Engage proactively with users and stakeholders to understand and respond to their needs. Participate in peer code reviews and automate testing to maintain high development standards. You're ideal for this role if you have: Over 5 years of experience in software development, with a focus on Java and Kotlin. Proven expertise in API creation, SQL/databases, and HTML/JavaScript. Strong troubleshooting and analytical skills. Experience working in Agile environments using Jira and Confluence. Good understanding of microservices architecture. Fluent English (B2+) communication skills. It is a strong plus if you have: (optional) Experience with cloud platforms like AWS, Azure, or GCP. Knowledge of CI/CD pipelines with Jenkins. Background in Systems Administration across Linux, AIX, or WAS platforms. Language Required for the role: Fluent English (B2+) Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #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 Microservices Developer role focused on building, maintaining, and modernizing enterprise-grade Java systems in a hybrid work model. The position involves developing scalable microservices, integrating distributed systems, and upgrading legacy applications within complex enterprise environments. You will contribute to secure, high-performance solutions supporting large-scale digital transformation initiatives. 🗂️ Requirements: Minimum 5 years of experience in Java development, Commercial experience with Java 8+, Strong experience with Spring and SpringBoot, Experience with microservices architecture, Experience with REST and SOAP integrations, Knowledge of SQL and Oracle databases, Experience with Tomcat or similar application servers, Knowledge of TLS/mTLS and secure communication mechanisms, Experience with Maven or Gradle, Experience with Git version control, Ability to write Bash or CMD scripts, Experience working with legacy codebases, Communicative proficiency in Polish 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, Microservices, REST, SOAP, Tomcat, TLS, mTLS, Maven, Gradle, Git, Bash, CMD, UML, SOAPUI, Postman, Queues 🏢 Description: Ignite innovation — shape the future of enterprise systems! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week). As a Senior Java Microservices Developer , you will be working for our client, a leading player in the IT industry committed to building scalable, secure, and efficient enterprise solutions. You will contribute to the development and maintenance of complex Java-based systems, driving digital transformation and supporting business agility in a dynamic environment. This role offers new challenges for career growth and impactful projects for global enterprise success. Your main responsibilities: Develop and maintain Java applications (Java 8+) within microservices architecture, ensuring high performance and scalability Collaborate on system enhancements, integrating new features based on detailed business requirements Design and implement solutions using Spring (including older versions) and Spring Boot, adhering to best practices Work on system integration using REST, SOAP, and message queuing systems, ensuring robust and secure communication Contribute to system migration initiatives, upgrading stacks to newer frameworks and technologies Document system designs with UML diagrams and other notation standards to support development and integration efforts Engage in troubleshooting, optimizing, and extending existing legacy codebases, maintaining high code quality You're ideal for this role if you have: At least 5 years of professional experience in Java development within enterprise environments Strong proficiency in Java, including working with legacy codebases Extensive experience with Spring framework (any version) and Spring Boot Solid SQL knowledge and experience with database systems like Oracle Hands-on experience with microservices architecture and monolithic systems on application servers like Tomcat Familiarity with distributed systems architecture and system integration (REST, SOAP, queues) Knowledge of security mechanisms such as TLS/mTLS, certificates, and encrypted connections Working experience with Maven, Gradle, Git, and tools like SOAP UI, POSTMAN Ability to write bash or cmd scripts for automation tasks It is a strong plus if you have: (optional) PLSQL knowledge Familiarity with JSF, JSP, or C++ Experience with Ansible or other automation tools Insights into system security best practices Ability to interpret BPMN and UML standards, with problem-solving skills related to new feature development Language Required for the role: Polish (Communicative proficiency) #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 role focused on designing and developing scalable Java-based microservices for a global banking collateral platform. The position involves full lifecycle development, DevOps integration, and test-driven practices within a hybrid Kraków-based setup. You will build secure, high-performance solutions using modern Java and cloud-ready technologies. 🗂️ Requirements: 8+ years experience with Java and microservices, Strong expertise in Java 17/21, Strong expertise in Spring Boot, Experience building REST APIs, Knowledge of PostgreSQL, Experience with DevSecOps pipelines, Experience with TDD using JUnit and Cucumber, Experience across full SDLC, Experience working in Agile and DevOps teams, Fluent English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, REST, PostgreSQL, DevSecOps, JUnit, Cucumber, Microservices, CI/CD, SpringCloud, Hystrix, Eureka, Zuul, Sleuth, Feign, Ribbon, Redis, Hazelcast, MQ, Solace, GCP, AWS, Ansible, Oracle 🏢 Description: Ignite innovation in financial technology — build scalable microservices that transform global banking. Kraków-based opportunity with hybrid work model. As a Senior Microservices Developer – Java & Spring Boot , you will be working for our client, a leading international bank providing cutting-edge financial solutions. You will contribute to developing a state-of-the-art collateral platform, leveraging microservices and open-source infrastructure to drive efficiency and security in global banking operations. This role offers an exciting chance to impact the future of banking technology and advance your career in a dynamic environment. Your main responsibilities: Design, develop, and maintain high-quality, reusable Java microservices using Java 17/21 and Spring Boot Contribute across all phases of the development lifecycle, from requirements gathering to deployment Implement DevOps practices and support automation in CI/CD pipelines Ensure test-driven development using JUnit and Cucumber, and collaborate closely with QA teams Improve team velocity and code quality through mentoring and best practice sharing Support platform stability by resolving incidents, monitoring performance, and managing problem resolution Develop automated tooling to enhance operational support and platform maintenance You're ideal for this role if you have: 8+ years of hands-on experience with Java and microservices architecture Strong expertise in Java 17/21, Spring Boot, and REST API development Deep knowledge of PostgreSQL and experience with DevSecOps pipelines Proven ability to work in Agile and DevOps teams, with excellent communication skills Experience with TDD (JUnit, Cucumber) and full software development lifecycle Ability to create innovative solutions for complex business challenges It is a strong plus if you have: (optional) Familiarity with AI-assisted code-generation tools (e.g., GitHub Copilot) Experience with Spring Cloud components (Hystrix, Eureka, Zuul, Sleuth, Feign, Ribbon) Knowledge of distributed in-memory data stores (Redis, Hazelcast) and messaging systems (MQ, Solace) Cloud experience (GCP/AWS), automated deployment tools (Ansible), or relational databases (Oracle) Language required for the role: Fluent English Eligibility for 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 Microservices Developer role focused on building and integrating enterprise-grade microservices for an AI-powered financial platform. The position involves designing, developing, and supporting scalable services while embedding security, CI/CD, and quality engineering best practices. Hybrid work model with strong emphasis on GenAI-enabled engineering and cloud-based solutions. 🗂️ Requirements: 4+ years of experience building Java microservices in enterprise environments, Strong expertise with RDBMS (Oracle or PostgreSQL) including schema design and performance tuning, Experience with unit and integration testing frameworks (JUnit, Mockito, Testcontainers), Solid understanding of CI/CD tools (Jenkins, GitLab), code quality gates, and security practices, Knowledge of API design, REST, messaging/eventing, and versioning strategies, Practical experience with GCP cloud environments, Familiarity with GenAI concepts including LLMs, RAG, and agent workflows, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, REST, GCP, LLM, RAG, Kubernetes, Containers 🏢 Description: Unleash innovation in financial technology — drive AI-powered transformation with cutting-edge microservices! Krakow-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Microservices Developer , you will be working for our client, a leading financial technology company delivering global collateral and facility management solutions. This role focuses on building and integrating enterprise-grade microservices for a transformative platform that leverages AI to optimize processes, reduce costs, and enhance delivery speed. Join a forward-thinking team committed to engineering excellence and digital innovation. Your main responsibilities: Build, test, release, and support Java microservices and related components for multiple product areas/services. Contribute to solution design for microservices and integration patterns, ensuring alignment with architecture and non-functional requirements. Identify and resolve technical risks, dependencies, and delivery blockers in collaboration with cross-functional teams. Follow and promote engineering standards including coding practices, CI/CD pipelines, and testing strategies. Develop comprehensive unit, integration, and contract tests to ensure high-quality deliverables. Engage in technical reviews and address findings promptly. Utilize AI-assisted tooling responsibly to accelerate development while safeguarding code quality, security, and intellectual property. Contribute to GenAI-enabled engineering patterns, including LLMs, RAG, and agent workflows. Embed security-by-design principles and ensure compliance with internal controls. Support release activities, environment readiness, and seamless cutovers. Collaborate closely with technical leads, engineers, QA, operations, and system owners to promote best practices. Foster a culture of continuous improvement, teamwork, and shared accountability. You're ideal for this role if you have: 4+ years of hands-on experience building Java microservices (e.g., Spring Boot) in enterprise environments. Strong expertise with RDBMS such as Oracle or PostgreSQL, including schema design and performance tuning. Proven experience with unit and integration testing frameworks like JUnit, Mockito, Testcontainers. Solid understanding of CI/CD tools (Jenkins, GitLab), quality gates (Sonar), and security practices. Knowledge of API design, REST, messaging/eventing, and versioning strategies. Practical experience in cloud environments (GCP). Familiarity with GenAI concepts, tools, and governance including LLMs, RAG, and agent workflows. Ability to contribute to technical design and make pragmatic decisions under delivery pressure. It is a strong plus if you have: Experience in delivering regulated financial services platforms, with audit and control requirements. Exposure to cloud-native patterns (containers, Kubernetes, service mesh). Familiarity with performance engineering and resilience testing. Hands-on experience with AI-enabled SDLC practices and governance. Practical knowledge of GenAI prototyping, RAG pipelines, or prompt management. Language Required for the role: Fluent English (command of the language required). 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 scalable microservices and cloud-based digital products in the OTT/ECommerce industry within an Agile environment. The position involves backend development, architectural contributions, CI/CD support, and collaboration with cross-functional teams using modern Java and cloud technologies. Hybrid or remote work model based in Warszawa. 🗂️ Requirements: 4+ years of Java development experience, Java 8-25, Multithreading, Immutability, Design patterns, Spring Boot, Spring MVC, WebFlux, MyBatis, TestContainers, SQL, NoSQL databases, Oracle, PostgreSQL, MongoDB, Redis, Kafka, Microservices architecture, RESTful APIs, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix/Linux scripting, Polish language proficiency, Communicative English, Legal right to work in the EU 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, REST, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix, Linux, SCRUM, Confluence, Git 🏢 Description: Empower digital transformation — craft scalable solutions with Java and cloud innovation! Warszawa-based opportunity with hybrid/ remote work model. As a Senior Java Developer , you will be working for our client, a leading player in the OTT/ECommerce industry, focused on delivering cutting-edge digital products within a dynamic and collaborative environment. Be part of a team that drives innovation, shapes future-ready architectures, and elevates user experiences through advanced microservices and cloud technologies. Your main responsibilities: Develop and maintain robust microservices using Java 8-25, ensuring high-quality code and optimal performance. Collaborate with cross-functional teams including Frontend Developers and Test Engineers within an Agile Nexus SCRUM framework. Conduct code reviews, contribute to architectural decisions, and mentor junior team members. Design, implement, and optimize RESTful architecture, utilizing tools like Kubernetes, Docker, and SOA principles. Support CI/CD pipelines and manage version control with Git, Jenkins, and related tools. Write comprehensive technical documentation in Confluence and contribute to knowledge sharing. Participate in technical consultations, problem-solving, and continuous improvement initiatives. Ensure application security following OWASP standards and best practices. You're ideal for this role if you have: At least 4 years of professional experience in Java development. Strong expertise in Java 8-25, multithreading, immutability, and design patterns. Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers. Solid knowledge of SQL and NoSQL databases such as Oracle, PostgreSQL, MongoDB, Redis, and messaging systems like Kafka. Familiarity with microservices architecture, RESTful APIs, Kubernetes, Docker, and cloud services (AWS). Practical understanding of testing frameworks like JUnit, Mockito, and Spock. Experience with version control, CI/CD tools (Jenkins, GitLab), and scripting in Unix/Linux environments. Good command of the Polish language and communicative English skills. Ability to work independently with strong analytical and problem-solving skills. It is a strong plus if you have: Front-end skills (HTML, CSS, JavaScript, Angular/React/Vue.js). Certifications in AWS or other cloud platforms. Knowledge of DevOps practices and automation tools. Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #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 Spring Boot Backend Developer role focused on building and modernizing a cloud-native Messaging Delivery Platform in the financial sector. The position involves developing scalable microservices, APIs, and containerized applications deployed on AWS using Kubernetes. It combines hands-on backend engineering with DevOps practices in an Agile environment. 🗂️ Requirements: Minimum 6 years of Java development experience, Strong hands-on experience with Spring Boot, Experience with microservices architecture, Practical experience with Kubernetes, Experience with AWS cloud environment, Experience with CI/CD tools (Jenkins, GitHub, Maven, Groovy), Strong knowledge of API design (REST, Swagger, OpenAPI, JSON), Experience with OAuth2 and API Gateway solutions, Experience working in Agile (Scrum, TDD), Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Microservices, Kubernetes, AWS, Jenkins, GitHub, Maven, Groovy, REST, Swagger, OpenAPI, JSON, OAuth2, Kong, CI/CD, TDD, Scrum 🏢 Description: Unleash innovation at scale — drive the future of cloud-native, microservices architectures! Krakow-based opportunity with hybrid work model (3 remote days per week). As a Senior Java Spring Boot Backend Developer , you will be working for our client in the financial industry, focusing on the Messaging Delivery Platform—centralizing and modernizing message delivery to bank customers across multiple channels. Join a cutting-edge project that shapes the future of client communication through advanced distributed systems and cloud technology. Your main responsibilities: Develop high-quality, scalable backend applications using Java and Spring Boot, ensuring adherence to technical requirements and standards. Collaborate within a multidisciplinary Agile team to design, build, and enhance distributed microservices architectures. Implement and monitor API solutions using Swagger, OpenAPI, REST, and JSON standards, ensuring best practices. Deploy and manage containerized applications on Kubernetes, leveraging AWS cloud infrastructure. Integrate authentication and authorization mechanisms such as OAuth 2 and API Gateway solutions. Write and execute unit tests, contribute to automation testing efforts, and uphold quality benchmarks. Participate in code reviews, challenge implementations to maintain highest quality standards, and promote innovation. Keep abreast of current technologies, tools, and industry best practices, continuously enhancing your expertise. Support and mentor team members to foster a culture of technical excellence and knowledge sharing. You're ideal for this role if you have: Minimum 6 years of experience in Java development within a senior or expert capacity. Strong hands-on expertise with Spring Boot framework and microservices architecture. Practical experience with Kubernetes and Cloud environments, particularly AWS. Proficiency with CI/CD tools such as Jenkins, GitHub, Maven, and Groovy scripting. Deep understanding of API design principles, including Swagger, OpenAPI 3.0, REST, and JSON. Familiarity with authentication protocols like OAuth 2 and API Gateway solutions such as Kong. Robust knowledge of Agile practices, especially TDD and Scrum methodologies. Ability to work fluently in English, with excellent communication skills. It is a strong plus if you have: Certifications or additional experience with AWS services. Knowledge of automation testing frameworks. Experience with messaging systems or middleware. 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 Spring Boot Backend Developer role focused on building and modernizing a cloud-native Messaging Delivery Platform in the financial sector. The position involves designing and developing scalable microservices, APIs, and distributed systems deployed on Kubernetes and AWS. You will contribute to high-quality backend solutions within an Agile environment using modern DevOps and cloud practices. 🗂️ Requirements: Minimum 6 years of commercial experience in Java development, Strong hands-on experience with Spring Boot, Practical experience in microservices architecture, Experience with Kubernetes and AWS cloud environments, Proficiency with CI/CD tools: Jenkins, GitHub, Maven, Groovy, Strong knowledge of API design: Swagger, OpenAPI, REST, JSON, Experience with OAuth2 and API Gateway solutions such as Kong, Experience with unit testing and TDD practices, Knowledge of Agile methodologies, especially Scrum, Fluent English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Microservices, Kubernetes, AWS, Jenkins, GitHub, Maven, Groovy, Swagger, OpenAPI, REST, JSON, OAuth2, Kong, Docker, CICD, TDD, Scrum 🏢 Description: Unleash innovation at scale — drive the future of cloud-native, microservices architectures! Krakow-based opportunity with hybrid work model (3 remote days per week). As a Senior Java Spring Boot Backend Developer , you will be working for our client in the financial industry, focusing on the Messaging Delivery Platform—centralizing and modernizing message delivery to bank customers across multiple channels. Join a cutting-edge project that shapes the future of client communication through advanced distributed systems and cloud technology. Your main responsibilities: Develop high-quality, scalable backend applications using Java and Spring Boot, ensuring adherence to technical requirements and standards. Collaborate within a multidisciplinary Agile team to design, build, and enhance distributed microservices architectures. Implement and monitor API solutions using Swagger, OpenAPI, REST, and JSON standards, ensuring best practices. Deploy and manage containerized applications on Kubernetes, leveraging AWS cloud infrastructure. Integrate authentication and authorization mechanisms such as OAuth 2 and API Gateway solutions. Write and execute unit tests, contribute to automation testing efforts, and uphold quality benchmarks. Participate in code reviews, challenge implementations to maintain highest quality standards, and promote innovation. Keep abreast of current technologies, tools, and industry best practices, continuously enhancing your expertise. Support and mentor team members to foster a culture of technical excellence and knowledge sharing. You're ideal for this role if you have: Minimum 6 years of experience in Java development within a senior or expert capacity. Strong hands-on expertise with Spring Boot framework and microservices architecture. Practical experience with Kubernetes and Cloud environments, particularly AWS. Proficiency with CI/CD tools such as Jenkins, GitHub, Maven, and Groovy scripting. Deep understanding of API design principles, including Swagger, OpenAPI 3.0, REST, and JSON. Familiarity with authentication protocols like OAuth 2 and API Gateway solutions such as Kong. Robust knowledge of Agile practices, especially TDD and Scrum methodologies. Ability to work fluently in English, with excellent communication skills. It is a strong plus if you have: Certifications or additional experience with AWS services. Knowledge of automation testing frameworks. Experience with messaging systems or middleware. 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.