Senior Java Developer

🏢 Summary: Senior Java Developer role focused on designing and implementing complex Java-based solutions for large-scale enterprise or public sector projects. The position involves hands-on development, architectural contribution, and mentoring junior team members. The role requires strong expertise in modern Java ecosystems and enterprise integration environments. 🗂️ Requirements: Minimum 5 years of professional Java experience, Strong knowledge of Spring Boot and RESTful APIs, Experience with JUnit and Mockito testing frameworks, Experience with OpenShift and Helm, Experience with Spring Data or JPA ORM frameworks, Minimum 1 year experience with Oracle or PostgreSQL, Minimum 2 years experience with Gradle for CI, Experience in large-scale enterprise or public sector projects, Degree in Computer Science or equivalent, German C1 and English B1 proficiency 📃 Skills: Java, SpringBoot, REST, JUnit, Mockito, OpenShift, Helm, SpringData, JPA, Oracle, PostgreSQL, Gradle 🏢 Description: Summary: The Senior Java Developer plays a crucial role in designing and implementing complex Java-based solutions, mentoring other team members, and contributing to large-scale projects in either the enterprise or public sectors. Main Responsibilities: Design and implement complex Java-based solutions. Mentor junior developers and assist in team knowledge sharing. Manage and contribute to large-scale enterprise or public-sector projects. Key Requirements: Fluent in German (C1) and English (min. B1). Degree in Computer Science or equivalent. Minimum of 5 years of professional experience in Java Strong understanding of Spring Boot, RESTful APIs, testing frameworks (JUnit, Mockito) Experience in OpenShift and Helm charts and ORM frameworks like Spring Data or JPA Knowledge of Oracle or PostgreSQL (min. 1 year). Experience with Gradle for continuous integration (min. 2 years). Experience with large public sector projects or comparable private sector engagements. Nice to Have: Additional years of experience with core technologies beyond the stipulated minimum. Frontend experience with React and TypeScript, and understanding of Ajax (min. 1 year). Experience with complex enterprise application integration.

🏢 Summary: Senior Java Developer role focused on building and improving high-performance financial systems and trading solutions in a global environment. The position involves backend Java development, stakeholder collaboration, and integration with trading platforms and event-driven technologies. Hybrid work with 3 days per week in the office is expected. 🗂️ Requirements: 3+ years of commercial software development experience, Strong Java backend development experience, Knowledge of low-latency and multi-threaded systems, Understanding of object-oriented programming and design patterns, Experience working in agile teams, Knowledge of Rates and Credit bonds and derivatives, Understanding of Bloomberg and TradeWeb trading venues, Hands-on experience with Kafka, English proficiency at B2 level or higher 📃 Skills: Java, Kafka, ION, Bloomberg, TradeWeb, Python, Perl, PXE, OOP, Agile 🏢 Description: We are looking for a Senior Java Developer to join our team. You will become part of a skilled engineering group working on critical solutions that support our global business operations and drive innovation in the financial domain. This is an excellent opportunity to apply your expertise in a dynamic environment, working closely with international colleagues and stakeholders on impactful projects. 3 days per week in our office is expected. Responsibilities Design and build solutions that address key business challenges, either by developing Java applications or leveraging the ION toolset Refactor and enhance existing components and solutions to improve performance, maintainability, and overall quality Lead UAT and demonstration sessions with key stakeholders, ensuring smooth communication and successful sign-off Gather essential information from business stakeholders and translate it into clear, concise IT requirements Collaborate effectively with other global IT teams to deliver integrated, end-to-end solutions Support the production operations team during rollouts and provide assistance with production support activities Requirements At least 3 years of relevant commercial experience in software development Solid hands-on experience with Java for building robust backend applications Good understanding of low-latency, multi-threaded code development for high-performance systems Strong knowledge of object-oriented programming principles and design patterns, with exposure to functional programming considered a strong plus Practical experience working within agile teams and following agile methodologies Solid understanding of Rates and Credit bonds and derivatives, along with their market dynamics Detailed knowledge of the nuances of trading venues such as Bloomberg and TradeWeb Hands-on experience with Kafka for event streaming and messaging Excellent oral and written communication skills in English (B2+ level or higher) Nice to have Broader familiarity with Financial Market Instruments and their application in trading environments Expert-level knowledge of ION and prior hands-on experience working with the ION toolset Previous experience with bond pricing using PXE Experience with automated testing practices and continuous integration pipelines Proficiency in scripting languages such as Python, Perl, or similar EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: The offer is for a Senior Java Developer to design, develop, and maintain Java-based applications in AWS cloud environments. The role involves building microservices, integrating APIs, ensuring code quality, and resolving performance issues within Agile teams. It focuses on delivering robust, scalable cloud-native solutions using modern Java technologies. 🗂️ Requirements: Proven experience in Java development, Experience with AWS cloud services, Experience developing microservices, Experience with API integration, Knowledge of Agile methodologies, Experience with code testing and code reviews, Ability to troubleshoot and resolve performance issues 📃 Skills: Java, AWS, Spring, Hibernate, Microservices, API, Agile, DevOps 🏢 Description: We are looking for a Senior Java Developer with solid experience in Java and Cloud. The ideal candidate should have exceptional skills in developing and implementing solutions using the latest technologies. Main Responsibilities: Develop and maintain Java-based applications in cloud environments. Collaborate with multidisciplinary teams to design and implement robust solutions. Perform testing and ensure code quality. Participate in code reviews and provide constructive feedback. Identify and resolve application performance issues. Key Requirements: Proven experience in Java development. Familiarity with cloud services (AWS). Knowledge of Agile development practices. Skills in API integration and microservices. Ability to solve problems effectively. Desirable: Experience with DevOps tools. Familiarity with Java frameworks such as Spring or Hibernate. Relevant certifications in Java or Cloud.

🏢 Summary: Senior Java Developer role focused on building and maintaining scalable microservices and cloud-based digital products in the OTT/ECommerce industry within an Agile environment. The position involves backend development, architectural contributions, CI/CD support, and collaboration with cross-functional teams using modern Java and cloud technologies. Hybrid or remote work model based in Warszawa. 🗂️ Requirements: 4+ years of Java development experience, Java 8-25, Multithreading, Immutability, Design patterns, Spring Boot, Spring MVC, WebFlux, MyBatis, TestContainers, SQL, NoSQL databases, Oracle, PostgreSQL, MongoDB, Redis, Kafka, Microservices architecture, RESTful APIs, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix/Linux scripting, Polish language proficiency, Communicative English, Legal right to work in the EU 📃 Skills: Java, Spring, WebFlux, MyBatis, TestContainers, SQL, Oracle, PostgreSQL, MongoDB, Redis, Kafka, REST, Kubernetes, Docker, AWS, JUnit, Mockito, Spock, Jenkins, GitLab, Unix, Linux, SCRUM, Confluence, Git 🏢 Description: Empower digital transformation — craft scalable solutions with Java and cloud innovation! Warszawa-based opportunity with hybrid/ remote work model. As a Senior Java Developer , you will be working for our client, a leading player in the OTT/ECommerce industry, focused on delivering cutting-edge digital products within a dynamic and collaborative environment. Be part of a team that drives innovation, shapes future-ready architectures, and elevates user experiences through advanced microservices and cloud technologies. Your main responsibilities: Develop and maintain robust microservices using Java 8-25, ensuring high-quality code and optimal performance. Collaborate with cross-functional teams including Frontend Developers and Test Engineers within an Agile Nexus SCRUM framework. Conduct code reviews, contribute to architectural decisions, and mentor junior team members. Design, implement, and optimize RESTful architecture, utilizing tools like Kubernetes, Docker, and SOA principles. Support CI/CD pipelines and manage version control with Git, Jenkins, and related tools. Write comprehensive technical documentation in Confluence and contribute to knowledge sharing. Participate in technical consultations, problem-solving, and continuous improvement initiatives. Ensure application security following OWASP standards and best practices. You're ideal for this role if you have: At least 4 years of professional experience in Java development. Strong expertise in Java 8-25, multithreading, immutability, and design patterns. Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers. Solid knowledge of SQL and NoSQL databases such as Oracle, PostgreSQL, MongoDB, Redis, and messaging systems like Kafka. Familiarity with microservices architecture, RESTful APIs, Kubernetes, Docker, and cloud services (AWS). Practical understanding of testing frameworks like JUnit, Mockito, and Spock. Experience with version control, CI/CD tools (Jenkins, GitLab), and scripting in Unix/Linux environments. Good command of the Polish language and communicative English skills. Ability to work independently with strong analytical and problem-solving skills. It is a strong plus if you have: Front-end skills (HTML, CSS, JavaScript, Angular/React/Vue.js). Certifications in AWS or other cloud platforms. Knowledge of DevOps practices and automation tools. Eligibility to work in the European Union: Only candidates with an existing legal right to work in the EU will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Java Developer role focused on building, maintaining, and optimizing scalable Java applications for complex financial and enterprise systems in a hybrid Krakow setup. The position involves working with microservices architecture, REST APIs, and databases within an Agile environment. You will contribute to design, development, performance optimization, and technical reviews. 🗂️ Requirements: Minimum 6 years of Java development experience, At least 5 years of experience with Spring and Spring Boot, Strong experience with Microservices architecture, Strong knowledge of REST APIs and integration patterns, Experience with SQL and NoSQL databases, Ability to design application architecture, Experience working in Agile environments 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SQL, NoSQL, APIs, Architecture, Agile 🏢 Description: 📍 Location: Krakow, hybrid 3 days/week Role: Senior Java Developer Role Description: We are looking for an experienced Java Developer to join technology team. You will be responsible for developing, maintaining, and optimizing Java-based applications that support complex financial systems and enterprise platforms. Key Competencies: Agile way of working and collaboration in cross-functional teams Advanced Java concepts and object-oriented design principles Java API management, RESTful services, and Microservices architecture Database technologies (SQL / NoSQL) and performance optimization Requirements: Minimum 6 years of experience in Java development Strong experience with Spring / Spring Boot and Microservices (5+ years) Good understanding of REST APIs, integration patterns, and application architecture Experience with database technologies and writing efficient queries Ability to work in a team environment and communicate effectively with technical and non-technical stakeholders Experience working in Agile delivery environments Nice-to-Have / Bonus Skills: Experience in production support and troubleshooting Participation in design and architecture reviews Exposure to cloud platforms and modern deployment pipelines Mentoring or leading technical discussions Responsibilities: Design, develop, and maintain scalable Java applications Participate in design and code reviews Troubleshoot issues and optimize system performance Collaborate with business analysts and other teams to deliver solutions Prepare technical documentation and reports as needed

🏢 Summary: Senior Java Developer role for a long-term remote finance project focused on enterprise-scale backend systems, microservices, and cloud-native architecture. The position involves developing and modernizing critical financial platforms using Java 17+, Spring Boot, Kafka, and Kubernetes in collaboration with cross-functional engineering teams. 🗂️ Requirements: 5+ years commercial Java experience, Strong Spring Boot knowledge, Experience with microservice architecture, Understanding of relational databases, Experience with Kafka or messaging platforms, Hands-on Docker experience, Hands-on Kubernetes experience, Knowledge of software design patterns, Understanding of clean architecture, Professional English level B2+ 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Microservices, Kafka, REST, PostgreSQL, Oracle, Docker, Kubernetes, Maven, Gradle, Git, CI/CD, AWS, Azure, GCP, Terraform, Grafana, Prometheus, ELK 🏢 Description: Senior Java Developer | Finance Project We’re looking for a Senior Java Developer to join one of our international clients operating in the financial services industry. You’ll work on enterprise-scale backend systems responsible for processing critical financial operations, developing new features, and modernizing existing architecture. The project is long-term, fully remote, and offers plenty of technical challenges. Responsibilities Design and develop high-quality Java applications. Build scalable microservices and REST APIs. Collaborate with Product Owners, Architects, QA Engineers, and DevOps teams. Improve system performance, scalability, and reliability. Participate in architecture discussions and code reviews. Write clean, maintainable, and well-tested code. Tech Stack Java 17+ Spring Boot Spring Cloud Microservices Kafka REST APIs PostgreSQL / Oracle Docker Kubernetes Maven / Gradle Git CI/CD AWS / Azure / GCP Requirements 5+ years of commercial experience with Java. Strong knowledge of Spring Boot. Experience with microservice architecture. Good understanding of relational databases. Experience with Kafka or other messaging platforms. Hands-on experience with Docker and Kubernetes. Understanding of software design patterns and clean architecture. Professional level of English (B2+). Nice to have Experience in banking, fintech, or financial services. Knowledge of event-driven architecture. Experience with Terraform. Familiarity with monitoring tools such as Grafana, Prometheus, or ELK. What you’ll get Long-term cooperation on an international project. 100% remote work. B2B contract. Flexible working hours. Modern cloud-native technology stack. Opportunity to work on large-scale financial systems. Experienced engineering team. Real influence on technical decisions. About the recruitment This recruitment process is conducted by RemoDevs on behalf of one of our clients. If your profile matches the project requirements, we’ll share more details about the company and the project during the first interview.

🏢 Summary: Senior Java Developer role focused on developing, maintaining, and modernizing employee-facing platforms in a complex enterprise environment within the financial sector. The position involves working with both modern and legacy technologies, operational support, troubleshooting, and ensuring platform stability for approximately 9,000 daily users. 🗂️ Requirements: 5+ years of Java development experience, Experience in complex enterprise environments, Ability to work with modern and legacy solutions, Collaborative mindset, Pragmatic approach to problem solving 📃 Skills: Java, WebSphere, Tomcat, JBoss 🏢 Description: On behalf of a client in the financial sector, we are looking for a Senior Java Developer. The consultant will join the team responsible for developing and maintaining employee-facing platforms. The team comprises software developers, a Product Owner, an IT architect, and a manager, collectively supporting approximately 9,000 employees. The application landscape includes modern and legacy technologies, ensuring a robust platform used daily. Main Responsibilities: Contribute to the development, maintenance, and operation of the team’s solutions Learn and understand the domain, architecture, and surrounding integrations Participate in operational activities, including monitoring, patching, and ensuring high availability Support troubleshooting, analysis, and technical improvements Help simplify and modernize existing solutions Contribute to knowledge sharing and long-term continuity Help ensure a stable and reliable platform used daily by approximately 9,000 employees Key Requirements: Strong Java development competencies (5+ years of experience) Experience in complex enterprise environments Ability to navigate both modern and legacy solutions. Pragmatic and collaborative mindset Nice to Have: Experience with enterprise application platforms such as WebSphere, Tomcat, JBoss, or similar technologies is considered an advantage, as large parts of the application landscape rely on WebSphere-based solutions.

🏢 Summary: Senior Java Developer role focused on developing and improving core backend components in a Scrum environment using Java, Spring Boot, microservices, and Kafka. The position involves designing scalable architectures, maintaining high code quality, and collaborating with international delivery teams and stakeholders. Hybrid work model with 3 days per week in the office. 🗂️ Requirements: 3+ years commercial experience as a software developer, Strong knowledge of Java, Hands-on experience with Spring Boot, Experience designing and developing Microservices architectures, Experience with Kafka, Experience building distributed systems, Knowledge of Oracle SQL, Ability to write complex SQL queries, stored procedures, views and joins, Experience with unit and integration testing, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Microservices, Kafka, Oracle, SQL, JUnit, Mockito, Azure 🏢 Description: We are looking for a Senior Java Developer who will join other software delivery professionals, taking a role in the development and improvement of one of the core components. Following the Scrum methodology, you will become a permanent member of one of our component teams, where you will help to shape the component architecture and fully apply your extensive knowledge of the most popular and progressive technologies, which could greatly improve performance and usability. You will be cooperating with delivery teams in Krakow and business stakeholders worldwide. 3 days per week in our office is expected. Responsibilities Act as a fully engaged member of a Scrum team, participating in all ceremonies and contributing to continuous improvement of team processes Deliver real business value by building robust and scalable core Java server systems Devise high-level technical architecture for the epics, ensuring solutions align with long-term system goals Develop high-quality, automatically tested code, leading by example and setting standards for the rest of the team Review design suggestions from team members and ensure that the delivered code fulfills the expected level of quality Ensure the continuance of on-going refactoring of the existing system's code to maintain a clean and maintainable codebase Conduct qualified code reviews, providing constructive feedback and mentoring other developers Requirements At least 3 years of relevant commercial experience as a software developer Strong knowledge of Java for building enterprise-grade backend applications Strong hands-on experience with Spring Boot for developing modern, production-ready microservices Proven experience designing and developing Microservices architectures, including working with Kafka for event streaming, as well as building distributed systems with a focus on resiliency and scalability Good knowledge of Oracle SQL with the ability to write complex queries, stored procedures, views and joins Solid experience with software testing practices, including writing reliable unit and integration tests Excellent oral and written communication skills in English (B2+ level or higher) Nice to have Domain knowledge of the Trade lifecycle and understanding of financial markets processes Hands-on experience with MS Azure cloud services, such as Azure Web Apps and Azure Functions, for deploying and managing cloud-based applications Practical experience with JUnit and Mockito, along with familiarity with test automation approaches and strong unit testing practices EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Full-time remote Senior Java Developer role focused on building and operating distributed, scalable cloud-based microservices for an international e-mobility platform. The position involves designing micro-architecture, implementing high-quality code, and ensuring software quality within an agile environment. Candidates will work with AWS and modern Java/Spring technologies to develop enterprise-grade solutions supporting green energy systems. 🗂️ Requirements: 5+ years of professional experience as Java / Spring Boot Developer, Experience building and operating distributed, scalable cloud-based microservices, Experience with AWS and PaaS environments, Strong Java enterprise development experience with Spring / Spring Boot, Experience with Spring Integration and Spring Cloud Contract, Experience with REST API and JMS, Experience with Maven and GitLab CI, Experience with MariaDB (MySQL), DocumentDB, and Redis, Experience with JUnit and Spring Boot Test, Experience with load and performance testing, Practical experience working in Scrum, Fluent English (written and spoken) 📃 Skills: Java, Spring, SpringBoot, SpringIntegration, SpringCloudContract, AWS, Kubernetes, REST, JMS, RabbitMQ, Maven, GitLabCI, MariaDB, MySQL, DocumentDB, Redis, JUnit, Scrum, OCPP 🏢 Description: Senior Java Developer – E-mobility On behalf of our client – an innovative and rapidly growing company in the international e-mobility sector – we are currently looking for an experienced and autonomous specialist for the position of Senior Java Developer. If you want to have a real impact on the development of systems supporting electromobility and green energy, and working in a distributed, cloud-based environment is your daily routine – we want to hear from you. Project Details: Start: ASAP Workload: Full-time Location: 100% Remote from the European Union (EU) Travel: Occasional travel to EU business locations (1-4 times per year, for 3-5 days each) Project Language: English Tasks & Responsibilities: - Develop integrated software solutions (design micro-architecture, implement clean code, execute thorough code reviews, and support automated testing). - Work on a distributed and highly scalable cloud platform as a Senior Java Developer within an international, agile development team. - Ensure the highest quality of delivered software in accordance with enterprise standards. Requirements (Mandatory Skills): - 5+ years of professional experience as a Java / Spring Boot Developer. - Proven experience building and operating distributed, scalable cloud-based microservices in the context of AWS and PaaS (ideally Kubernetes). - Strong experience in Java enterprise development in a Spring / Spring Boot environment, including Spring Integration and Spring Cloud Contract. - Solid experience with REST API and JMS (ideally RabbitMQ). - Hands-on experience with Maven, GitLab CI, as well as MariaDB (MySQL), DocumentDB, and Redis. - Solid background in software quality assurance, including test automation with JUnit and Spring Boot Test, as well as load/performance testing. - Agile mindset with practical experience in Scrum (knowledge of SAFe is a strong plus). - Fluent English (written and spoken) for daily technical and business communication. Nice-to-Have: - Domain knowledge in EV charging / CPMS. - Experience with charge point communication protocols, such as OCPP. What We Offer: - 100% remote work flexibility from anywhere within the EU. - The opportunity to shape an advanced technological platform in one of the fastest-growing industries globally (e-mobility). - Work in a technologically mature, international environment where code quality and engineering best practices are highly valued. - A collaborative, professional, and partner-like atmosphere. Important Note for Applicants: Please ensure that all required and relevant skills listed in the mandatory section are clearly and transparently visible in your CV. Kindly note that CVs lacking these mandatory skills and requested technical details cannot be processed for further stages of the recruitment process.

🏢 Summary: Long-term, fully remote contract for a Senior Java Developer to design, develop, and maintain scalable backend applications for international clients. The role involves end-to-end software development, close collaboration with cross-functional teams, and delivering reliable, high-quality solutions in a consulting environment. 🗂️ Requirements: Minimum 5 years of commercial experience in Java development, Strong knowledge of core Java concepts, Experience with Spring or Spring Boot frameworks, Experience in building RESTful APIs, Knowledge of backend application architectures, Practical experience with relational databases, Proficiency in SQL, Experience with Git version control, Ability to write clean, maintainable, and well-tested code, Advanced French language skills (B2/C1), English language skills at B2/C1 level 📃 Skills: Java, Spring, SpringBoot, REST, SQL, Git, Backend, API, RDBMS 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko: Senior Java Developer . Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadczącą usługi IT dla dużych i średnich firm z różnorodnych sektorów. Projektowanie, rozwijanie i utrzymywanie aplikacji backendowych. Ścisła współpraca z deweloperami, testerami oraz interesariuszami produktowymi w celu dostarczania niezawodnych i skalowalnych rozwiązań softwarowych. Uczestnictwo w pełnym cyklu wytwarzania oprogramowania – od analizy i implementacji po testowanie i wdrożenie. Oczekujemy: Minimum 5 lat komercyjnego doświadczenia w Java development oraz solidnej znajomości podstawowych konceptów języka Java. Doświadczenia z frameworkami Spring lub Spring Boot. Znajomości RESTful API oraz architektur aplikacji backendowych. Praktycznej znajomości relacyjnych baz danych i SQL. Znajomości systemów kontroli wersji, w szczególności Git. Umiejętności pisania czystego, łatwego w utrzymaniu i dobrze przetestowanego kodu. Dobrych umiejętności komunikacyjnych i zdolności do efektywnej pracy w zespole. Zaawansowanej znajomości j. francuskiego (B2/C1) - wymóg konieczny. Znajomości języka angielskiego na poziomie B2 lub C1 – umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 130-150 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w pełni zdalna. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.