Java Developer Backend (B2B)

🏢 Summary: The offer is for a Java Developer to build and maintain modern microservices applications within a large agile team. The role involves designing solutions, estimating tasks, performing code reviews, and deploying cloud-based services in AWS. It requires strong backend development expertise and experience with distributed systems in a cloud environment. 🗂️ Requirements: Completed degree in Computer Science or related field, Minimum 3 years of professional software development experience, Strong experience with Java, Strong experience with Spring and Spring Boot, Understanding of microservices architecture, Hands-on experience with Kafka, Hands-on experience with MongoDB, Hands-on experience with Oracle, Experience with AWS cloud and cloud deployments, Knowledge of Docker, Experience with Kubernetes or OpenShift, Experience with Agile methodologies, Experience with TDD, Ability to write clean, maintainable and testable code, Very good English and Polish language skills 📃 Skills: Java, Spring, SpringBoot, SpringDataJPA, Microservices, Kafka, MongoDB, Oracle, AWS, Docker, Kubernetes, OpenShift, Scrum, Kanban, XP, TDD 🏢 Description: Responsibilities You will join a vast multidisciplinary agile team of experts and develop modern microservices applications You will take care of the relationship with the business customers in order to understand their needs and expectations Together with your agile team, you will define the next sprint, provide estimates and create solution proposals for complicated tasks Code reviews are standards here and you will help colleagues by giving them advice and providing insightful hints for their growth Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can select medical care packages, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you have access to the platform where you can practice your language skills. Regular and systematic further training opportunities - internal and external ones. We support your development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Completed university degree in Computer Science or a related field 3+ years of professional experience in software development Strong experience in Java and Spring ecosystem (Spring, Spring Boot, Spring Data JPA) and solid understanding of microservices architecture Hands-on experience with Kafka, MongoDB, Oracle and AWS cloud , including deployment and maintenance of cloud-based applications Knowledge of Docker and container orchestration platforms such as Kubernetes or OpenShift Practical experience with Agile methodologies (Scrum, Kanban, XP), TDD and writing clean, maintainable and testable code Experience in Banking, Finance or Payments domains will be a strong plus. Very good communication skills in English and Polish and availability to work in a remote or hybrid model (office visit once per month) About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Frontend Developer role focused on building modern, high-performance web applications from scratch using React and TypeScript within an agile, international financial services initiative. The position involves contributing to architecture, participating in sprint planning, performing code reviews, and mentoring junior developers. Work is delivered in a remote/hybrid model within a multidisciplinary agile team. 🗂️ Requirements: University degree in Computer Science or related field, Minimum 4 years of frontend development experience, Strong experience with React and TypeScript, Experience with React Router, GraphQL and Apollo Client, Experience with LESS, JavaScript, HTML and CSS, Experience working with Scrum, Kanban or SAFe, Experience with Webpack and npm, Fluency in Polish, Very good English communication skills, Availability for remote/hybrid work with monthly office visits 📃 Skills: React, TypeScript, ReactRouter, GraphQL, Apollo, LESS, JavaScript, HTML, CSS, Webpack, npm, Scrum, Kanban, SAFe 🏢 Description: Responsibilities As part of a new international business initiative, you will contribute to building from scratch a technology-oriented company focused on innovating the IT delivery model for a major player in the European Financial Services industry. You will join a multidisciplinary, agile team of experts and develop modern, high-performance web applications using React and TypeScript . Working closely with your agile team, you will help define sprint goals, provide estimates, propose solutions for complex challenges and contribute to architectural decisions. You will guide and support junior engineers, helping them grow, ensuring quality contributions and fostering a collaborative team culture. Code reviews will be part of your daily routine, and you will actively help colleagues by sharing best practices, offering constructive feedback and contributing to continuous improvement. Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Successfully completed university degree in computer science or a comparable field of study. At least 4 years of experience in frontend development , with a strong focus on React and TypeScript . Excellent knowledge of React , React Router , GraphQL , Apollo Client , LESS , AntDesign , JavaScript , HTML and CSS. Hands-on experience with agile methodologies such as Scrum, Kanban or SAFe. Experience with Webpack and npm for build and package management. Fluency in Polish and very good communication in English Availability to work in a remote/hybrid mode . Remote workers, we invite to the office once every month . About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Full Stack Developer role focused on designing, building, and operating AWS-native backend and frontend systems for managing merchant and terminal master data. The position involves developing React UIs and Node.js APIs, building GraphQL integrations, and implementing scalable serverless architectures on AWS. The role includes architectural responsibilities and deployment automation using AWS CDK and GitHub Actions. 🗂️ Requirements: Degree in Computer Science, Mathematics, Physics or related field, 6+ years of experience as Full Stack Developer, Strong experience with TypeScript and Node.js in backend development, Experience with Java in distributed system landscape, Hands-on experience with AWS serverless services, Experience with AWS Lambda and Aurora PostgreSQL, Experience with infrastructure as code using AWS CDK, Experience building and maintaining React-based frontends, Experience designing and implementing scalable architectures, Experience with GraphQL APIs and system integrations 📃 Skills: TypeScript, Node.js, Java, AWS, Lambda, Aurora, PostgreSQL, CDK, React, GraphQL, GitHubActions, Serverless 🏢 Description: Responsibilities We need your support in designing, developing and operating backend and frontend systems that manage master data for merchants, terminals and related entities using TypeScript and Node.js , running natively on AWS You will work on databases and GraphQL APIs and build integrations with other systems such as merchant onboarding, billing and reporting using AWS-native services You will develop and maintain React-based user interfaces for partners and merchants as well as Node.js-based APIs for customers and other stakeholders deployed on AWS serverless infrastructure Together with your team you will design and implement AWS-native architectures that meet high reliability and scalability requirements in real-world production environments You will write and maintain production-grade frontend and backend code and deploy and operate systems in AWS using AWS CDK, native AWS services, and GitHub Actions pipelines Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Successfully completed a degree in computer science, mathematics, physics, or a comparable field of study 6+ years of experience as a Full Stack Developer with exposure to architectural responsibilities Strong experience working with TypeScript and Node.js in backend development and Java in the wider system landscape Hands-on experience with AWS , with a strong focus on serverless services such as Lambda, Aurora (PostgreSQL), and infrastructure as code using AWS CDK Knowledge and practical experience in agile methodologies and understanding its principles Very good communication in English and Polish Availability to work in a hybrid mode with at least 1 visit in the office per month About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Junior .NET Developer role focused on building and enhancing a next-generation payment processing platform using modern backend technologies. The position involves implementing backend features, contributing to microservices-based solutions, and learning best practices within an agile team environment. It offers hands-on experience with modern .NET stack and cloud-oriented development. 🗂️ Requirements: Completed degree in Computer Science or related field, Hands-on experience with C#, Experience with ASP.NET Core, Basic knowledge of relational databases, Knowledge of MSSQL, Understanding of Entity Framework Core, Interest in microservices architecture, Interest in cloud environments, Willingness to learn Kafka and CI/CD, Ability to write clean and maintainable code 📃 Skills: C#, .NET, ASPNETCore, MSSQL, EntityFrameworkCore, Microservices, Kafka, CICD, Cloud, SQL 🏢 Description: Responsibilities Support the development of a next-generation payment processing platform built using latest versions of .NET . Implement backend features under the guidance of experienced developers, focusing on clean, reliable and maintainable code. Collaborate within small agile teams, participate in daily activities, and learn best practices through code reviews and mentoring. Work with modern .NET technologies and tools to help solve real business problems and continuously improve the platform. Contribute to team discussions, share ideas, and proactively develop your skills in a supportive engineering environment. Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Successfully completed university degree in computer science or a comparable field of study. Some hands-on experience with C# and ASP.NET Core (projects, internships, academic work or commercial experience). Basic understanding of relational databases (preferably MSSQL ) and Entity Framework Core . Interest in microservices , cloud environments and modern backend development patterns. Eagerness to learn technologies such as Kafka , CI/CD, and agile development practices. Ability to write simple, clean and well-structured code with openness to feedback. Fluency in Polish and good communication skills in English . Availability to work in a hybrid setup. About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Senior Android Developer role focused on building and maintaining Kotlin-based Android applications with strong emphasis on security, performance, and scalable architecture. The position involves working with modern Android tools, managing API and SDK integrations, and optimizing build and release processes. The role requires close collaboration with cross-functional teams to deliver secure payment-related solutions. 🗂️ Requirements: University degree in Computer Science or related field, 5+ years of Android development experience or 2+ years of Kotlin experience, Strong experience with Jetpack Compose, Proficiency in Android Jetpack components, Experience integrating RESTful APIs, Experience managing third-party SDKs, Strong knowledge of Git, Understanding of Android app publishing process, Hands-on experience with Gradle, Fluency in Polish, Very good English communication skills 📃 Skills: Kotlin, Android, Jetpack, Compose, ViewModel, LiveData, Navigation, REST, Git, Gradle, SDK, API, PCI-DSS 🏢 Description: Responsibilities Implementing features to our Android based apps in collaboration with the team for consistent and aligned design/architecture Ensure security, performance, and scalability in Kotlin based implementation. Optimize Gradle configurations for dependency management, build automation, and streamlined releases. Manage API integrations and third-party SDK/systems lifecycles to ensure smooth interoperability. Provide comprehensive documentation , samples, and developer guides. Collaborate with product managers and merchant integration engineers to align capabilities with business needs. Stay ahead of Android development trends, security updates, and regulatory changes in payments. Qualifications A university degree in Computer Science or a related field. 5+ years of experience in Android development or 2+ years of experience using Kotlin , with a solid understanding of the development tools in Android development tools. Strong experience in Jetpack Compose and modern Android UI development . Proficiency in Android Jetpack components (ViewModel, LiveData, Navigation, etc.). Experience integrating RESTful APIs and managing third-party SDK/framework lifecycles . Strong knowledge of Git (branching strategies, pull requests, conflict resolution, etc.). Understanding of the Android app publishing process (app signing, release management, Play Store distribution). Hands-on experience with Gradle for dependency management and automated build processes Fluency in Polish and very good communication in English Availability to work in a remote/hybrid mode . Remote workers, we invite to the office once every month .Nice to have: Payment industry undestanding and experience Understanding of PCI-DSS or other payment related standards Nice to have Payment industry undestanding and experience Understanding of PCI-DSS or other payment related standards About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Senior Backend .NET Developer role focused on building and scaling a next-generation payment processing system using modern .NET microservices architecture. The position involves designing, developing, and deploying secure, high-availability backend services for large-scale financial operations. You will work in agile, cross-functional teams leveraging Microsoft technologies and event-driven solutions. 🗂️ Requirements: University degree in Computer Science or related field, 5+ years of experience with C# and .NET, Experience with ASP.NET Core, Experience building microservices, Experience with distributed systems at scale, Strong knowledge of Entity Framework Core, Strong knowledge of MSSQL and database schema design, Hands-on experience with Kafka, Experience with agile practices (TDD, BDD, CI/CD, Pairing), Fluency in Polish, Very good English communication skills, Availability for remote/hybrid work with monthly office visit 📃 Skills: C#, .NET, ASP.NETCore, Microservices, DistributedSystems, EntityFrameworkCore, MSSQL, Kafka, CICD, TDD, BDD, SAFe 🏢 Description: Responsibilities As a Senior Backend .NET Developer, you will work on a next-generation payment processing system built on a modern .NET microservices architecture. You will design, develop and deploy backend services with a strong focus on security , high availability and quality , ensuring the platform can support large-scale financial operations. Collaborate in a dynamic, autonomous setting while working within small, agile (SAFe) and cross-functional teams. Use the latest Microsoft technologies to solve real-world challenges for customers operating at significant scale. Share your expertise, contribute to technical discussions and help the team continuously evolve development best practices. Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Successfully completed university degree in computer science or a comparable field of study. 5+ years of experience with C# and .NET  / ASP.NET Core , including building microservices and working with distributed systems at scale. Strong experience with Entity Framework Core and MSSQL (schema design, performance). Practical hands-on experience with Kafka for data streaming and event-driven communication. Familiarity with agile practices (Pairing, TDD, BDD, CI/CD) Fluency in Polish and very good communication skills in English . Availability to work in a remote/hybrid setup , with one office visit per month for remote workers. About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.

🏢 Summary: Development role focused on building and maintaining a modern microservices-based payment processing platform in a high-volume environment. The position involves designing, implementing, and supporting Java-based services, ensuring scalability, reliability, and performance. Work is done in a hybrid model with strong emphasis on quality, testing, and production support. 🗂️ Requirements: Minimum 3 years of experience in similar role, Strong Java development experience, Knowledge of Spring Boot, Understanding of microservices architecture, Understanding of distributed systems, Experience with API design, Experience with at least some of the listed technologies, Ability to perform unit testing and code reviews, Fluent English 📃 Skills: Java, Spring, SpringBoot, Microservices, Kubernetes, OpenShift, Kafka, RabbitMQ, MongoDB, Oracle, SQL, REST, Groovy, Maven, Jenkins, Jira, Confluence 🏢 Description: About the Project Our client is a European payments organization undergoing a major digital transformation focused on modernizing its core transaction‑processing platform. The team is building a modern microservices‑based environment designed to increase scalability, reliability, and performance across high‑volume payment operations. Technology stack in use: Java 21 (Spring Boot 3), OpenShift / Kubernetes, Apache Kafka / Rabbit MQ for streaming and queuing, MongoDB, Oracle Database, multiple DevOps tools for development, automation and monitoring. Work mode: hybrid, 3-4 per week from Cracow office Key Responsibilities: ·       Design, develop and support testing payment services features together with the team. ·       Resolve issues by troubleshooting and root cause analysis and support in production issue analysis when needed. ·       Ensure high quality via unit testing and code reviews. ·       Demo and document the results of work in demo sessions. Required Experience & Skills: ·       At least 3 years on similar position ·       Technical knowledge in at least some of the technologies used is needed. ·       Java development skills are the most relevant. ·       Understanding of microservices architecture and distributed systems. ·       Familiarity with API design principles. ·       Fluent English Additional Valuable Skills: ·       Experience in designing and implementing high-throughput, low-latency systems capable of handling large data volumes ·       Groovy, Maven, Jenkins ·       Knowledge of the Card Processing domain ·       Documentation and use of Jira/Confluence ·       Excellent communication and coordination skills We offer Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. Spectacular events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad

🏢 Summary: Senior Java Developer role focused on building and enhancing payment services within a modern microservices architecture. The position involves developing new features, supporting production systems, and ensuring high-quality code in a distributed, cloud-native environment. Work includes collaboration in an international team with partial onsite presence in Warsaw. 🗂️ Requirements: 8+ years of Java development experience, Strong knowledge of microservices architecture, Understanding of distributed systems, Experience with API design, Practical experience with MongoDB, Practical experience with Kafka, Experience with Docker, Experience with Kubernetes, Experience with unit testing, Ability to perform troubleshooting and root cause analysis, Fluent English 📃 Skills: Java, Spring, OpenShift, Kubernetes, Kafka, RabbitMQ, MongoDB, Oracle, Docker, Microservices, REST, JUnit 🏢 Description: About the Project Our client is a paytech company expanding in Europe. You will work in a truly international environment with colleagues across all Nexi group locations. The platform is built on a modern microservices architecture, offering plenty of opportunities to tackle complex challenges and make a significant impact. First customers have already been migrated, but there is still a big backlog of new features that need to be implemented. Work Mode: one day per week at the office is required (Warsaw) Technology stack in use:• Java 21 (Spring Boot 3)• OpenShift / Kubernetes• Apache Kafka / Rabbit MQ for streaming and queuing• MongoDB• Oracle Database• Multiple DevOps tools for development, automation and monitoring Job Responsibilities Design, develop and support testing payment services features together with the team Resolve issues by troubleshooting and root cause analysis and support in production issueanalysis when needed Ensure high quality via unit testing and code reviews Demo and document the results of work in demo sessions Expectations 8+ years of experience with Java development Understanding of microservices architecture and distributed systems Familiarity with API design principles Daily use of MongoDB, Kafka, Docker, Kubernetes Familiarity with agile environment Fluency in English Nice to have: experience in designing and implementing high-throughput, low-latency systems capable of handling large data volumes; Groovy, Maven, Jenkins; Knowledge of the Card Processing domain; We offer Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. Spectacular events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.

🏢 Summary: The offer is for a Senior Java Developer to build and develop microservices-based systems supporting claims handling processes. The role involves designing architecture, optimizing business processes, ensuring high code quality through automated testing and code reviews, and working in a Scrum team. The position focuses on scalable, modern solutions using contemporary technologies and best practices. 🗂️ Requirements: Advanced Java experience, Strong Kafka experience, Good knowledge of Spring ecosystem, Proficiency in SQL, Experience with unit testing frameworks, Knowledge of containerization technologies, Experience with Docker, Experience with Kubernetes, Experience with Helm, Experience with RabbitMQ, Experience with ElasticSearch, Ability to analyze and diagnose system performance 📃 Skills: Java, Kafka, Spring, SpringBoot, SpringCloud, Hibernate, SQL, Docker, Kubernetes, Helm, RabbitMQ, ElasticSearch, Microservices, Scrum, JUnit 🏢 Description: Nexio Management to zaufany partner biznesowy w drodze do cyfrowej przyszłości. Posiadamy prawie 20-letnie doświadczenie na rynku IT w Polsce i poza jej granicami. Prowadzimy działania w oparciu o transparentne i szczere relacje. Tworzymy innowacyjne rozwiązania technologiczne, kreując przy tym interesujące i rozwojowe środowisko pracy dla naszych ekspertów. Obecnie zatrudniamy 550 konsultantów, którzy świadczą usługi IT dla Klientów na całym świecie. Nasza główna siedziba mieści się w Warszawie, poza tym mamy biura w Rumunii oraz Wielkiej Brytanii. Posiadamy również własne R&D Center, które jest miejscem powstawania innowacyjnych projektów m.in .: w obszarach testów, Big Data, Cloud czy AI.W ramach naszych usług tworzymy szyte na miarę rozwiązania, utrzymujemy i rozwijamy nawet najbardziej wymagające systemy IT. Działamy w takich modelach biznesowych jak managed services, fixed prices oraz wspieramy zespoły naszych klientów w modelach scale up the team. Naszymi klientami są firmy z wielu zróżnicowanych branż, szukające wsparcia najwyższej klasy ekspertów. Aplikując masz szansę dołączyć do zespołu, który tworzy i rozwija zaawansowane rozwiązania u jednego z naszych klientów. Twoją rolą będzie budowanie oraz rozwijanie projektów opartych o mikroserwisy, z wykorzystaniem nowoczesne technologie oraz dobrych praktyk programowania. W codziennej pracy będziesz mieć możliwość współtworzyć architekturę nowych funkcjonalności, ulepszać istniejące procesy biznesowe oraz dbać o wysoką jakość powstającego kodu, m.in . poprzez rozwijanie testów automatycznych i udział w code review. Współpracując w zwinnym środowisku scrumowym, staniesz się częścią doświadczonego zespołu, który stawia na współpracę, wymianę wiedzy i dostarczanie skalowalnych i przemyślanych rozwiązań. Twoje obowiązki : Tworzenie oraz rozwijanie systemów działających w architekturze mikrousług, wspierających proces zgłaszania i obsługi szkód. Tworzenie architektury z wykorzystaniem aktualnych trendów technologicznych. Pomoc w optymalizacji i ulepszeniu wybranych procesów biznesowych. Zapewnianie wysokiej jakości kodu za pomocą dobrze zorganizowanej struktury testów automatycznych. Przeprowadzanie oraz odbieranie code review. Uczestnictwo w ceremoniach zespołu scrumowego. Codzienna współpraca z doświadczonym zespołem, skupiającym się na wytwarzaniu wysokiej jakości kodu. Wymagania : Zaawansowana znajomość języka Java poparta wieloletnim doświadczeniem. Bardzo dobra znajomość Kafki poparta wieloletnim doświadczeniem. Dobra orientacja w ekosystemie Spring (Spring Boot, Spring Cloud) lub/oraz Hibernate. Biegłość w SQL. Umiejętność korzystania z frameworków do testów jednostkowych. Wiedza dotycząca technologii konteneryzacji i narzędzi takich jak Docker, Kubernetes, helm, a także doświadczenie z RabbitMQ i ElasticSearch. Znajomość narzędzi pozwalających na analizę i diagnozowanie wydajności systemu.

🏢 Summary: Mid-level DevOps Engineer role focused on supporting .NET projects by designing, automating, and maintaining cloud infrastructure and CI/CD processes in Microsoft Azure. The position combines DevOps responsibilities with deep understanding of the .NET application lifecycle and close collaboration with development teams. It involves Infrastructure as Code, environment monitoring, and production issue resolution. 🗂️ Requirements: University degree in Computer Science or related field, 2–4 years of commercial IT experience, Hands-on experience with Microsoft Azure, Practical experience with Azure DevOps, Practical experience with PowerShell, Practical experience with Bicep, Scripting skills in Bash or PowerShell, Strong understanding of CI/CD concepts, Experience as DevOps Engineer on .NET projects or .NET Developer experience, Fluency in Polish, Very good communication skills in English, Availability for remote/hybrid work mode 📃 Skills: Azure, AzureDevOps, PowerShell, Bicep, Bash, .NET, CI/CD, IaC 🏢 Description: Responsibilities As a Mid-level DevOps Engineer at Nexi Digital, you will work on projects based on .NET technology , supporting development teams in the design, automation, and maintenance of infrastructure and software delivery processes. This role combines DevOps responsibilities with a solid understanding of the .NET application lifecycle , architecture, and the needs of development teams. Designing, developing, and maintaining cloud infrastructure in Microsoft Azure Automating CI/CD processes for .NET applications Implementing Infrastructure as Code (IaC) using Bicep Maintaining and monitoring environments (stability, availability, security) Close collaboration with .NET Development teams in the area of builds, deployments, environment configuration Diagnosing and resolving environmental and production issues Participating in initiatives aimed at improving platform reliability and quality Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Successfully completed university degree in computer science or a comparable field of study Minimum 2–4 years of commercial experience in IT Hands-on experience with Microsoft Azure Practical knowledge of tools: Azure DevOps, PowerShell, Bicep Scripting: Bash / PowerShell Very good understanding of CI/CD concepts Experience working as a DevOps Engineer on .NET projects or experience as a .NET Developer (current or past) with a strong interest in transitioning towards DevOps Fluency in Polish and very good communication in English Availability to work in a remote/hybrid mode. Remote workers, we invite to the office once every month. Nice to have Microsoft Azure certification Experience in regulated environments (fintech / payments) Basic knowledge of application and infrastructure security About Nexi Digital Nexi is Europe's PayTech company operating in high-growth, attractive European markets and technologically advanced countries. Listed on Borsa Italiana's MTA, Nexi has the scale, geographic reach and abilities to drive the transition to a cashless Europe. With its portfolio of innovative products, e-commerce expertise and industry-specific solutions, Nexi provides flexible support for the digital economy and the entire payment ecosystem globally, across a broad range of different payment channels and methods. Nexi’s technological platform and the best-in-class professional skills in the sector lets the company operate at its best in three market segments: Merchant Services & Solutions, Cards & Digital Payments and Digital Banking & Corporate Solutions. Nexi constantly invests in technology and innovation, focusing on two fundamental principles: meeting, together with its partner banks, customer needs and creating new business opportunities for them. Nexi is committed to supporting people and businesses of all sizes, transforming the way people pay and businesses accept payments. It offers companies the most innovative and reliable solutions to better serve their customers and expand. By simplifying payments and enabling people and businesses to build closer relationships and grow together, Nexi promotes progress to benefit everyone.