Senior Java Developer – API & Microservices Expert

🏢 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 Kotlin (Java) Developer role focused on building and operating microservices-based web applications and APIs within a cloud-driven environment. The position involves designing full-stack features, contributing to CI/CD pipelines, and ensuring high code quality in an agile setup. It offers the opportunity to shape developer experience through innovative, compliance-focused platforms. 🗂️ Requirements: Minimum 6 years of software development experience, Strong experience in Kotlin, Knowledge of Java and willingness to use Kotlin, Hands-on experience with API development, Experience with SQL and databases, Experience with HTML and JavaScript, Understanding of microservice architecture, Experience working in Agile environment, Experience with CI/CD practices, Proficiency with Bitbucket, Jira, Confluence, Fluent English (B2+ level), Legal right to work in the European Union 📃 Skills: Kotlin, Java, SQL, HTML, JavaScript, Microservices, API, CI/CD, Bitbucket, Jira, Confluence, AWS, Azure, GCP, Jenkins, Linux, AIX, WAS 🏢 Description: Unleash innovation in microservices and cloud — drive digital transformation with Kotlin expertise! Kraków-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Kotlin (Java) Developer , you will be working for our client, a leader in building a robust platform for managing software development compliance. You will contribute to cutting-edge web applications and APIs built with microservice architecture, supporting development teams across the organization. This role offers a unique chance to shape the future of developer experience and work at the forefront of technology innovation. Your main responsibilities: Collaborate with developers, testers, and other stakeholders to build and operate innovative products. Design, develop, and implement both front-end and back-end features aligned with business priorities. Work on APIs and microservices-driven solutions addressing impactful business challenges. Engage actively in an agile CI/CD environment to ensure rapid delivery and iteration. Participate in peer reviews and contribute to automated testing, maintaining high code quality. Proactively troubleshoot and resolve technical issues, providing excellent support to customers. You're ideal for this role if you have: At least 6 years of experience in software development. Strong experience in Kotlin, with Java knowledge and willingness to learn Kotlin. Hands-on experience with API development, SQL/databases, HTML/Javascript. Proficiency in collaboration tools such as Bitbucket, Jira, and Confluence. Solid understanding of microservice architecture and modern coding techniques. Agile methodology experience, including working with Jira and Confluence. Strong analytical and troubleshooting skills. Excellent interpersonal skills. Fluent in English (B2+ level). It is a strong plus if you have: (optional) Good working knowledge of cloud technologies like AWS, Azure, or GCP. Experience building CI/CD pipelines using Jenkins. Background in Systems Administration on Linux/AIX/WAS platforms. Language Required for the role: Fluent English (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: Mid-Level/Senior Kotlin (Java) Developer role focused on designing and building microservices and APIs within a compliance management platform. The position involves developing backend and web applications in a microservice architecture, contributing to CI/CD processes, and delivering high-quality solutions in an agile environment. Hybrid work model based in Kraków with up to 3 days of remote work per week. 🗂️ Requirements: 4+ years of software development experience, Experience in backend and API development, Proficiency in Kotlin or Java, Experience with API development, Experience with SQL and databases, Experience with HTML and JavaScript, Understanding of microservice architecture, Experience working in Agile environments, Knowledge of Jira and Confluence, Fluent English (B2+ level), Legal right to work in the European Union 📃 Skills: Kotlin, Java, SQL, HTML, JavaScript, Microservices, APIs, CI/CD, Jira, Confluence, AWS, Azure, GCP, Jenkins, Linux, AIX, WebSphere 🏢 Description: Unleash innovation — design cutting-edge microservices and APIs that drive digital transformation! Kraków-based opportunity with hybrid work model (up to 3 days remote per week). As a Mid-Level/Senior Kotlin (Java) Developer , you will be working for our client, a forward-thinking organization building a platform for control owners and development teams to manage and monitor software development compliance. You will contribute to Kotlin and Java-based web applications and APIs within a microservice architecture, supporting innovative solutions across multiple applications and PoCs. This role offers a unique chance to shape the future of development standards while advancing your career in a dynamic environment. Your main responsibilities: Collaborate with cross-functional teams to develop and operate products that meet strategic goals. Design, develop, and implement both front-end and back-end features that support flexible UI frameworks. Build efficient APIs and microservices to address impactful business needs. Work within an agile CI/CD environment to deliver continuous improvements at high velocity. Engage in peer reviews, testing, and automated test scripting to ensure high-quality code. Proactively troubleshoot issues and respond to customer feature requests with innovative solutions. You're ideal for this role if you have: 4+ years of experience in software development, with a focus on backend and API development. Solid expertise in Kotlin or Java (with a willingness to learn Kotlin). Hands-on experience with API development, SQL/databases, and HTML/JavaScript. Strong problem-solving and troubleshooting skills. Experience working in Agile environments with tools like Jira and Confluence. Good understanding of microservice architecture. Excellent interpersonal and communication skills in English (B2+ level). It is a strong plus if you have: Good working knowledge of cloud platforms such as AWS, Azure, or GCP. Experience building CI/CD pipelines using Jenkins. Background in Systems Administration across Linux, AIX, or WebSphere platforms. Language Required for the role: Fluent English (B2+ level). 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: Mid-Level Kotlin/Java Developer role focused on building and enhancing a microservices-based Developer Experience platform in the fintech domain. The position involves designing and implementing web applications and APIs, improving compliance and automation through scalable cloud-integrated solutions. The role follows a hybrid model in Krakow and emphasizes Agile delivery and high-quality code practices. 🗂️ Requirements: 3+ years experience with Java or Kotlin, Experience in API development, Experience with SQL databases, Knowledge of HTML, Knowledge of JavaScript, Understanding of microservices architecture, Experience working in Agile environments, Experience with Jira and Confluence, Strong troubleshooting skills, English B2+ level, Legal right to work in the EU 📃 Skills: Java, Kotlin, SQL, HTML, JavaScript, Microservices, APIs, Agile, Jira, Confluence, CICD, Jenkins, AWS, Azure, GCP, Linux, AIX, WAS, Testing, TestAutomation 🏢 Description: Unleash innovation through code — drive the next evolution of microservices and cloud integration! Krakow-based opportunity with hybrid work model As a Mid-Level Kotlin/Java Developer , you will be working for our client, a leading player in the financial technology industry, focused on building a cutting-edge Developer Experience platform. You will help develop a robust microservice architecture to enhance compliance and streamline development processes, shaping the future of software control and automation. Join us and be part of a transformative journey that fosters innovation and career growth. Your main responsibilities: Collaborate with cross-functional teams to design, develop, and implement web applications and APIs using Kotlin and Java. Build and maintain microservices that address critical business challenges and improve developer experience. Work closely with testers and other developers to ensure high-quality, efficient code delivery. Proactively engage with customers and internal stakeholders to resolve issues and incorporate feature requests. Participate in Agile practices, including peer reviews, automated testing, and continuous integration/deployment workflows. You're ideal for this role if you have: 3+ years of experience in Java, Kotlin, or related development fields. Strong expertise in API development, databases (SQL), and front-end technologies such as HTML/Javascript. Solid troubleshooting skills and experience working within Agile environments using Jira/Confluence. Good understanding of microservice architecture. Excellent communication skills in English (B2+). It is a strong plus if you have: (optional) Cloud technology experience (AWS, Azure, GCP). Knowledge of CI/CD toolchains like Jenkins. Background in Systems Administration across Linux/AIX/WAS platforms. Test Automation skills. Language Required for the role: English (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: Hybrid Krakow-based role for a Senior API Developer focused on designing and delivering secure, scalable APIs and backend services in a modern cloud-native banking environment. The position centers on building high-performance Java-based solutions, integrating distributed systems, and deploying services on AWS. It offers hands-on ownership of API architecture, event-driven systems, and production-grade cloud deployments. 🗂️ Requirements: Minimum 5 years of experience building APIs and backend services in Java, Strong expertise in Spring Boot and Maven, Solid understanding of backend architecture and service design, In-depth knowledge of REST, GraphQL, and SOAP APIs, Experience with API testing and documentation tools, Ability to work with JSON and XML data formats, Experience integrating third-party and internal APIs, Strong troubleshooting and performance optimization skills, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, Maven, REST, GraphQL, SOAP, Kafka, AWS, Kubernetes, EKS, Fargate, Redis, RDS, S3, Route53, Postman, Swagger, OpenAPI, SoapUI, JSON, XML, IntelliJ 🏢 Description: Ignite innovation with scalable APIs — shape the future of banking technology. Krakow-based opportunity with hybrid work model. As a Senior API Developer – Java & Cloud Services , you will be working for our client, a leading financial institution dedicated to transforming digital banking. You will design, build, and optimize secure, scalable APIs that power their cutting-edge digital products and internal platforms, leveraging modern Java and cloud-native patterns to deliver impactful solutions swiftly and reliably. This role offers an excellent platform for technical growth and innovation in a dynamic financial environment. Your main responsibilities: Build and evolve high-performing, scalable APIs and backend services using Java, Spring Boot, and Maven (developed primarily in IntelliJ). Collaborate with cross-functional teams, including engineers, product owners, architects, and testers, to deliver robust services aligned with business needs. Design APIs following industry standards (REST, GraphQL, SOAP), ensuring versioning, backward compatibility, and optimal consumer experience. Integrate with third-party and internal APIs, ensuring resilience, observability, and clear error handling. Develop and support event-driven services utilizing Kafka, managing topic design, schema evolution, and message reliability. Deploy cloud-ready services on AWS, including Kubernetes / EKS, Fargate, Redis, RDS, S3, Route 53, with consideration for deployment and runtime environments. Maintain product quality through automated testing, regular API testing, and troubleshooting live issues with a "you build it, you run it" approach. Produce comprehensive API documentation using OpenAPI/Swagger and supporting runbooks as necessary. Contribute to engineering standards around security, performance, maintainability, and continuous improvement. You're ideal for this role if you have: At least 5 years of hands-on experience building APIs and backend services in Java. Strong expertise with Spring Boot and Maven. Solid understanding of backend architecture concepts including service design, data access, caching, and resilience. In-depth knowledge of API styles and integration patterns (REST, GraphQL, SOAP). Experience working with API tooling such as Postman, Swagger UI / OpenAPI, SoapUI. Ability to work with data formats like JSON and XML. Proven troubleshooting skills to diagnose issues, fix defects, and enhance performance and reliability. Strong collaboration skills and ability to communicate technical decisions effectively. It is a strong plus if you have: Experience with event-driven architecture at scale (Kafka streams, schema registry, idempotency, exactly-once/at-least-once). Familiarity with AWS services like Kubernetes/EKS, Fargate, Redis, RDS, S3, Route 53. Knowledge of CI/CD pipelines, observability tools (logging, metrics, tracing), and secure coding practices. Strong critical thinking and a pragmatic, delivery-focused mindset. Language Required for the role: Fluent English (spoken and written). Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior 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: Mid-Level Java Backend Developer role focused on maintaining and enhancing enterprise applications within a Shared Services environment using modern Java and microservices architecture. The position involves developing Java-based microservices, managing CI/CD pipelines, and supporting deployments to ensure scalable and efficient business processes. Hybrid work model based in Krakow. 🗂️ Requirements: Minimum 3 years of Java development experience, Strong knowledge of Java 8+, Strong knowledge of Spring framework, Experience with Concurrency and Multithreading, Experience with microservices architecture, Experience with Jenkins for deployments, Proficiency with basic Linux commands, Hands-on experience with Git, Hands-on experience with Maven, Communicative English level, Legal right to work in the European Union 📃 Skills: Java, Spring, Microservices, Jenkins, Git, Maven, Linux, Concurrency, Multithreading, CI/CD 🏢 Description: Ignite innovation — Transform enterprise applications with modern Java microservices! Krakow-based opportunity with hybrid work model. As a Mid-Level Java Backend Developer , you will be working for our client to support critical shared services by maintaining and enhancing enterprise applications. This role involves leveraging modern Java technologies and microservices architecture to drive efficiency, agility, and scalability in business processes. Your main responsibilities: Maintaining and enhancing applications within the Shared Services environment Developing and maintaining Java-based microservices Implementing deployments using Jenkins and managing CI/CD pipelines Working with version control systems and build tools such as Git and Maven Applying basic Linux shell commands to support deployment and server management You're ideal for this role if you have: At least 3 years of experience in Java development Strong knowledge of Java 8+ and Spring framework (Spring Context, DI, IoC) Experience with Concurrency and Multithreading Microservices architecture experience Knowledge of Jenkins for deployment processes Basic Linux commands proficiency (find, ls, grep, sed) Hands-on experience with Git and Maven It is a strong plus if you have: Kubernetes experience CI/CD pipeline knowledge, including Helm Deployment strategies such as canary and blue-green Familiarity with testing frameworks like Mockito Event-Driven Development experience Language Required for the role: Communicative level of 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: 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 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.