Mid/Senior Java Developer

🏢 Summary: Senior Java Developer role leading the delivery of resilient, highly available, event-driven microservices for a high-stakes financial environment. The position owns complex backend features end to end, from data models and APIs through deployment, monitoring, testing, and CI/CD quality practices. 🗂️ Requirements: 7+ years of commercial backend development, Proven experience building complex, distributed, scalable systems, Java 21+, Spring Boot, PostgreSQL, Kafka, OpenAPI, Vault, Kubernetes, Docker, Terraform, GitLab CI or Jenkins, Maven, Microservices architecture, Event-driven design, RESTful APIs, SCRUM, Strong collaboration skills, Fluent English 📃 Skills: Java, SpringBoot, PostgreSQL, Kafka, OpenAPI, Vault, Kubernetes, Docker, Terraform, GitLab, Jenkins, Maven, Microservices, REST, SCRUM 🏢 Description: Senior Java Developer We are looking for a Senior Java Developer (7+ years of experience) to lead the development of resilient, highly available systems and event-driven microservices in a high-stakes financial environment. Requirements: Experience: 7+ years of commercial backend development with a proven track record of building complex, distributed, and scalable systems. Tech Stack: Backend: Java 21+, Spring Boot, PostgreSQL, Kafka, OpenAPI, Vault DevOps & Cloud: Kubernetes , Docker, Terraform, GitLab CI/Jenkins, Maven Core Skills: Microservices architecture, event-driven design, RESTful APIs, SCRUM, strong collaboration skills, and fluent English. Nice to Have: Financial services/FinTech background, experience in distributed global teams, and exposure to AI/LLM integrations. Responsibilities: Architecture & Infrastructure: Lead the development of scalable, event-driven microservices engineered for high throughput and maximum uptime. Data & Security: Design robust data models while ensuring strict data consistency and security in a financial ecosystem. End-to-End Feature Ownership: Own complex backend features across their full lifecycle—from schema and API definition to deployment and production monitoring. Cross-Functional Collaboration: Partner with global stakeholders and frontend engineers to translate complex financial workflows into high-performance technical specs. Engineering Excellence: Elevate code quality through code reviews, modern CI/CD automation, and comprehensive testing (Unit, Integration, and Contract testing).

🏢 Summary: Senior Java Developer role focused on building and modernizing a global enterprise data integration platform. The position delivers scalable microservices, event-driven data processing, and system integrations, with Apache Kafka production expertise as a core requirement. 🗂️ Requirements: 10+ years of commercial software development experience, Senior-level Java backend expertise, Production experience with Apache Kafka, Experience designing microservices and scalable backend services, Experience with event-driven architectures, Experience with distributed systems and enterprise integrations, Experience with data-processing solutions, Ability to contribute independently to technical design and architecture discussions, Very good English communication skills, Residence in Poland, Valid Confluent Certified Developer for Apache Kafka (CCDAK) certification 📃 Skills: Java, SpringBoot, ApacheKafka, Microservices, EventDriven, DistributedSystems, APIs, Messaging, DDD, CCDAK 🏢 Description: We are looking for an experienced Senior Java Developer to join a team building a modern enterprise data integration and processing platform that supports key logistics and transportation processes on a global scale. This role focuses on developing scalable backend services, microservices, and event-driven integrations within a complex enterprise environment. You will contribute to the design and implementation of solutions that enable efficient data processing and communication across business systems. An important part of the role involves modernizing legacy applications and delivering solutions aligned with Domain-Driven Design principles. We are looking for a self-driven professional who can actively participate in architecture discussions and make sound technical decisions. Strong hands-on production experience with Apache Kafka is essential for success in this role. Your tasks Designing, developing, and maintaining scalable backend services and microservices using Java and Spring Boot Implementing event-driven architectures and data-processing solutions based on Apache Kafka Building enterprise integrations between internal and external systems using APIs, messaging platforms, and asynchronous communication mechanisms Participating in technical design and solution architecture discussions, providing expertise in distributed systems and integration patterns Supporting the modernization and transformation of legacy applications into scalable, maintainable, and cloud-ready solutions Monitoring, troubleshooting, and optimizing application performance, reliability, and scalability across distributed environments Collaborating closely with developers, architects, and business stakeholders to deliver strategic data integration and digital transformation initiatives Requirements Minimum 10 years of commercial software development experience, including strong senior-level expertise in Java backend development Strong hands-on production experience with Apache Kafka Proven experience designing and building microservices, scalable backend services, and event-driven architectures Practical experience working with distributed systems, enterprise integrations, and data processing solutions Ability to contribute independently to technical design and solution architecture discussions Very good English communication skills, enabling effective collaboration in an international environment Residence in Poland Valid Confluent Certified Developer for Apache Kafka (CCDAK) certification Nice-to-have requirements Production experience with Kafka Streams and Kafka Connect Experience with cloud-native and containerized environments, including Azure, Kubernetes, OpenShift, Docker, or Podman

🏢 Summary: Senior Java Developer role focused on building and modernizing secure, scalable backend platforms and microservices for investment management products. The position offers hands-on architectural ownership, production support responsibilities, and collaboration across Agile engineering and business teams in a hybrid Krakow model. 🗂️ Requirements: 6+ years of commercial Java enterprise application development, Java 17+ proficiency, Advanced Spring and Spring Boot experience, REST API and backend service development experience, Microservices architecture knowledge, Object-oriented design, clean code, and design patterns, SQL query analysis and optimization, Docker and Kubernetes production experience, Kafka or event-streaming platform familiarity, CI/CD and DevOps practices experience, Secure coding and application security knowledge, Security scanning or vulnerability detection tools experience, Logging, monitoring, metrics, and distributed tracing familiarity, Business-critical production support and troubleshooting experience, Cross-functional collaboration with architects, QA, DevOps, and business teams, Very good English communication skills 📃 Skills: Java, Spring, SpringBoot, REST, SQL, Docker, Kubernetes, Kafka, CI/CD, DevOps, Microservices, Agile 🏢 Description: We are hiring on behalf of our client – a global financial services organization recognized for its premium service, deep domain expertise, and strong technology-driven approach. The company partners with clients, helping them solve complex challenges across investor services and capital markets. Their culture is built on collaboration, knowledge sharing, and empowering individuals to contribute beyond their immediate role. As a Senior Java Developer , you will design and develop core backend platforms and scalable microservices. You will contribute to new product development and modernization initiatives, influence architectural decisions, and work closely with engineering and business stakeholders throughout the software development lifecycle. This is a senior, hands-on engineering role with strong ownership expectations. You will help shape technical solutions, improve engineering practices, and ensure that business-critical systems remain secure, reliable, maintainable, and ready to scale. Key takeaways: Stack: Java 17+, Spring, Spring Boot, REST APIs, SQL, Docker, Kubernetes, Kafka, CI/CD Salary: 27 000 - 30 000 PLN gross on the Contract of Employment Working model : Hybrid - 3 days/week from the office (2 days per week for parents of children up to 4 years old) Location: ul. Klimeckiego, Krakow Recruitment process : A call with MOTIFE Recruiter (30 min) Technical interview with the Manager (1h) Technical interview with the Team (1h) Responsibilities: Backend Development Design, develop, and maintain enterprise-grade applications using Java 17+, Spring, and Spring Boot. Build scalable microservices and REST APIs supporting investment management products. Apply object-oriented design, clean code principles, and established software design patterns. Develop solutions that meet demanding performance, reliability, security, and maintainability standards. Architecture and Technical Excellence Contribute to architectural decisions and translate business requirements into effective technical solutions. Drive technical improvements across existing platforms and modernization initiatives. Participate in code reviews and promote consistent engineering standards across the team. Ensure solutions follow secure coding principles and software development lifecycle best practices. Cross-Functional Collaboration Partner with architects, QA engineers, DevOps specialists, and business stakeholders throughout the development lifecycle. Work within a cross-functional Agile team delivering web, backend, and mobile platform capabilities. Communicate technical decisions, risks, and dependencies clearly to technical and non-technical stakeholders. Support knowledge sharing and mentor other engineers where required. Delivery and Production Ownership Troubleshoot and resolve complex technical and production issues. Improve logging, monitoring, metrics, and distributed tracing across services. Enhance CI/CD pipelines to streamline software delivery and deployment. Drive continuous improvements in development processes, engineering tooling, and operational reliability. Requirements: Technical Expertise At least 6 years of hands-on commercial experience developing enterprise applications in Java. Strong practical knowledge of Java 17 or newer. Advanced experience with Spring, Spring Boot, REST APIs, and backend service development. Strong understanding of microservices architecture, object-oriented design, clean code, and software design patterns. Solid SQL skills, including practical experience with query analysis and optimization. Production experience with Docker and Kubernetes. Familiarity with messaging or event-streaming platforms such as Kafka. Experience working with CI/CD pipelines and modern DevOps practices. Security and Production Engineering Understanding of secure coding principles and common application security risks. Experience using security scanning or vulnerability detection tools. Familiarity with application logging, metrics, monitoring, and distributed tracing. Experience troubleshooting and supporting business-critical production systems. Collaboration and Mindset Proven ability to take ownership of technical solutions from design through production support. Strong problem-solving skills and the ability to resolve complex engineering challenges. Ability to collaborate effectively with architects, QA, DevOps, and business teams. Very good English communication skills. What we offer: Private medical care Life insurance Professional training and certification support Social fund benefits platform Stable employment with a long-term contract Apply now Join a senior engineering team building secure and scalable platforms for the investment management industry. Please apply via our careers page and submit your CV in English.

🏢 Summary: Senior Java Engineer role building cloud-native backend services for life sciences organizations analysing potential adverse drug effects. The position combines hands-on Java development, technical ownership, distributed-system design, AWS operations, and collaboration with international cross-functional teams. 🗂️ Requirements: 4–7 years of Java backend development experience, Strong Spring and Spring Boot knowledge, Production AWS experience, Microservices architecture knowledge, SQL and relational database experience, Tomcat or similar application server familiarity, Independent technical decision-making and system design contribution, Good communication skills 📃 Skills: Java, Spring, SpringBoot, AWS, Microservices, SQL, Tomcat, Databases 🏢 Description: We are looking for a Senior Java Engineer to join our team building a cloud-native platform used by global Life Sciences organisations. You will work on backend services supporting pharmaceutical companies in analysing potential adverse drug effects. This role offers a mix of technical ownership, system design, and hands-on development in a highly collaborative, international environment.🙋‍♀️ ✅ Your responsibilities: Design, develop, and maintain backend services built with Java, Spring, Spring Boot, and AWS. Contribute to architectural decisions and system-level discussions. Ensure stability, scalability, and performance of distributed services. Write clean, maintainable code and participate in code reviews. Collaborate with cross-functional teams to translate requirements into technical solutions. Support deployment automation and production operations. Troubleshoot complex technical issues and propose improvements. 🧠 Our requirements: Minimum 4–7 years of experience in backend development with Java. Strong knowledge of Spring and Spring Boot. Experience with AWS in production environments. Solid understanding of microservices architecture. Hands-on experience with SQL and relational databases. Familiarity with Tomcat or similar application servers. Ability to work independently, make informed technical decisions, and contribute to system design. Good communication skills. Nice to Have: Familiarity with Kafka or other event-driven systems. Ability to assist occasionally with small tasks in React. Experience working on projects in healthcare or Life Sciences. 🌟 What we offer: Fully remote work with flexible arrangements tailored to your needs. Benefits like a multisport pass and private healthcare to support your well-being. Training budget and support for certifications Opportunities to work on international projects that expand your expertise. Clear career growth paths with fast-track promotion opportunities.

🏢 Summary: Senior Java Developer contract for a Life & Pension client, running onsite from September to December 2026 with potential extension. The role focuses on building and operating scalable, cloud-native Java backend services on Azure, with strong automation, infrastructure, and CI/CD practices. 🗂️ Requirements: 5+ years of enterprise Java application development, Spring Boot backend services and APIs, REST integration design and implementation, Microsoft Azure and cloud-native architecture, Infrastructure as Code experience, Cloud application development, deployment and operations, Docker containerization, Git, Maven and CI/CD practices, Microsoft SQL Server and relational databases, Flyway migration scripts, Azure security, monitoring and operational practices, Analytical problem-solving and business-to-technical translation, Agile team collaboration, Written and spoken English 📃 Skills: Java, SpringBoot, REST, Azure, IaC, Docker, Git, Maven, CI/CD, SQLServer, Flyway, Terraform, SOAP 🏢 Description: Our client in the Life & Pension industry is looking for a Senior Java Developer to join them onsite September - December 2026 with the possibility of extension. The ideal candidate combines strong software engineering skills with cloud expertise and a passion for automation, platform engineering, and modern development practices. Key requirements Minimum 5 years of hands-on experience developing enterprise applications in Java Strong experience with Spring Boot and building scalable backend services and APIs Proven experience designing and implementing REST-based integrations; experience with SOAP services is an advantage Solid experience working with Microsoft Azure and cloud-native architectures Strong experience with Infrastructure as Code (IaC); Terraform experience is highly desirable Experience developing, deploying, and operating applications in cloud environments Experience with Docker and containerized applications Proficiency with Git, Maven, and modern CI/CD practices Experience working with Microsoft SQL Server and relational databases Experience creating and maintaining Flyway migration scripts Good understanding of Azure services, cloud security, monitoring, and operational best practices Strong analytical and problem-solving skills with the ability to translate business requirements into technical solutions Experience working in Agile development teams and collaborating with architects, developers, business stakeholders, and suppliers Strong communication skills in English, both written and spoken. Nice-to-have Experience from pension, insurance, banking, or other regulated financial sectors Experience with event-driven architectures and integration platforms Experience mentoring other developers and driving technical improvements Experience working in large enterprise environments with high availability, security, and compliance requirements. Start date: 01.09.2026 End date: 31.12.2026 with possibility of extension Location: Copenhagen Workload: 100%

🏢 Summary: Senior Java Developer role supporting secure, scalable banking and payments systems in Warsaw, with a hybrid schedule of one remote day per week. The position covers solution design, development, testing, and delivery of event-driven microservices within distributed systems. 🗂️ Requirements: 4+ years of Java development experience in financial or similarly complex domains, Java, Spring, Hibernate, DB2, Spring Boot, and RESTful API expertise, Apache Kafka experience, including producers, consumers, Kafka Streams, and Kafka Connect, MongoDB and Spring Data MongoDB knowledge, Docker, Maven, Git, and CI/CD pipeline familiarity, Understanding of event-driven microservices and distributed systems, Communicative English, Existing legal right to work in the European Union 📃 Skills: Java, Spring, Hibernate, DB2, Kafka, MongoDB, Docker, Maven, Git, GitLab, CI/CD, REST 🏢 Description: Unleash innovative financial solutions — shape the future of fintech with Java excellence! Warsaw-based opportunity with hybrid work model (1 remote day per week). As a Senior Java Developer , you will be working for our client, a leader in financial technology solutions. You will contribute to critical projects in the banking and payments industry, shaping the evolution of secure, scalable financial systems and ensuring seamless integration of cutting-edge technologies. This role offers an excellent platform for career growth amidst a dynamic, global team. Your main responsibilities: Participate in requirements gathering sessions with business users to understand project needs. Lead analysis, solution design, and planning activities within the engineering team. Implement and rigorously test software changes; participate in code reviews and assist in UAT and releases. Innovate by improving existing stacks and developing new functionalities in a fast-paced environment. Contribute to the development of event-driven and microservices architectures within distributed systems. Collaborate effectively with international teams and stakeholders. Maintain high-quality documentation and ensure adherence to best practices. Engage actively in continuous improvement initiatives and process optimizations. You're ideal for this role if you have: 4+ years of proven experience in Java development within financial or similarly complex domains. Proficiency in Java, Spring, Hibernate, DB2, Spring Boot, and RESTful API design. Experience with Apache Kafka, including producers, consumers, Kafka Streams, and Kafka Connect. Knowledge of MongoDB and Spring Data MongoDB. Familiarity with Docker, Maven, Git, and CI/CD pipelines (preferably GitLab CI). Solid understanding of event-driven/microservices architectures and distributed systems. Strong analytical, communication, and teamwork skills. Ability to work in a fast-paced, collaborative environment with a strong work ethic. It is a strong plus if you have: Experience with IBM MQ / JMS and infrastructure as code. Knowledge of financial messaging standards such as ISO 20022, SWIFT, CBPR+, FIN. Python scripting and experience in financial services, payments, or banking technology. Language Required for the role: Communicative English 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.