Senior Java Developer

🏢 Summary: Senior Java Developer role focused on building and maintaining Java-based cloud applications, integrating APIs and microservices, and ensuring application performance and code quality in an Agile environment. The position involves collaboration with multidisciplinary teams and participation in code reviews using modern Java and cloud technologies. 🗂️ Requirements: Proven experience in Java development, Experience with AWS cloud services, Knowledge of Agile development practices, Experience with API integration, Experience with microservices, Ability to perform testing and ensure code quality, Ability to identify and resolve performance issues 📃 Skills: Java, AWS, Agile, API, Microservices, Spring, Hibernate, 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: 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 in an agile, international team focused on designing and building cloud-based backend and fullstack solutions. The position involves architecting scalable systems, ensuring high code quality, and contributing to CI/CD and DevOps practices. The role also includes technical leadership and collaboration with cross-functional teams to deliver secure, high-performance applications. 🗂️ Requirements: Expert knowledge of Java for backend and fullstack development, Experience architecting cloud-based SaaS solutions, Proficiency in automated testing and CI/CD pipelines, Experience with version control systems, Ability to deliver secure and scalable code, Bachelor’s degree in Computer Science, Engineering or related field with 5+ years of experience OR 9+ years of relevant industry experience 📃 Skills: Java, SaaS, CI/CD, Git, AWS, GCP, Azure, Docker, Kubernetes, TypeScript, Python 🏢 Description: About the Role: We are looking for a Senior Java Developer to join an agile, international engineering team working on cloud-based solutions serving diverse industries. As a technical leader, you will design, build, and maintain robust backend and fullstack systems, impacting both product performance and business outcomes. Must Have Expert knowledge of Java (backend/fullstack web development) Experience architecting cloud-based solutions (SaaS platforms or similar) Proficiency in automated testing, deployment pipelines, version control, and CI/CD practices Strong command of English for daily teamwork in multicultural environments Demonstrated ability to deliver secure, scalable, high-quality code Bachelor’s degree in Computer Science, Engineering, or related field with 5+ years of professional experience, OR 9+ years’ relevant industry experience (without degree) Nice to Have Exposure to other technologies (TypeScript, Python, etc.) Experience working with multiple data models and integrating acquired codebases Previous engagement in Agile/Scrum teams (sprint planning, retrospectives, hackathons) Background in industries like energy, IoT, finance, or regulated environments Familiarity with modern cloud platforms (AWS, GCP, Azure) and DevOps practices (Docker, Kubernetes) Your Profile Tech Enthusiast: Keen to learn and apply emerging technologies and best practices Analytical Thinker: Able to define requirements and design effective solutions to complex challenges Product Mindset: Understands how technical decisions influence user experience and business drivers Team Player: Works well in autonomous, distributed teams and supports collaborative engineering culture Key Responsibilities Design and develop Java-based backend and fullstack features for cloud-based applications Contribute to scalable, unified system architectures and help integrate diverse platforms and technologies Write and maintain high-performance, secure code and automated tests to ensure product quality Participate in sprint planning, code reviews, retrospectives, and technical discussions Work closely with product managers and business stakeholders to align technical development with commercial goals Mentor junior engineers and promote continuous improvement in team processes Ready for your next challenge? Send your CV detailing your experience in Java, cloud technologies, and agile teams. Tell us about your approach to system architecture and cross-team collaboration!

🏢 Summary: Senior Java Developer role focused on building and evolving a globally distributed trading platform for fixed income products. The position involves designing and implementing high-quality software components, supporting platform optimization and migration, and collaborating with international IT teams. It requires strong expertise in Core Java, Spring, and SQL within enterprise-level systems. 🗂️ Requirements: At least 5 years of experience in software development, Strong knowledge of Core Java, Proficiency in SQL, Proficiency in Spring framework, Strong written and verbal English, Ability to work collaboratively in a global team environment 📃 Skills: Java, SQL, Spring, JMS, ORM, REST, WebServices, TCP/IP, Bash, Perl, Python, C++, Redis, Multithreading, Networking, Scrum, Kanban 🏢 Description: We are seeking a Senior Java Developer to join a leader in the financial domain who has been successfully involved in trading financial (Fixed income) products for many years. As part of this, a globally distributed, component-based IT system has been built. It is written mainly in Java and incorporates many enterprise technologies/standards (e.g., JMS, ORM, Spring, WebServices, REST), but also integrates other technologies, like TCP/IP networking, bash scripting, Perl, Python or even C++. Responsibilities Design and implement software components according to requirements Take responsibility for ensuring the delivery and quality standards of software Spend time with the customer to determine and understand deliverables Support business in platform rationalization and optimization Continue removing technical debt and platform standardization Support business in migration to strategic platform Work with other IT teams across the globe Requirements At least 5 years of working experience in software development Strong knowledge of Core Java Proficiency in SQL and Spring framework Good communication and time management skills Team player mentality with a pragmatic approach to software development Strong written and verbal English Nice to have Skills in multithreading, networking and web services in Java Familiarity with JMS and Redis Capability to acquire and capture requirements with attention to software quality Understanding of investment banking domain Understanding of Agile principles (experience in Scrum or Kanban) We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively

🏢 Summary: Senior Java Developer role in a hybrid model (up to 4 remote days per week) focused on designing and delivering robust, scalable enterprise applications. The position involves end-to-end Java development, technical design, troubleshooting, and contribution to CI/CD processes. You will collaborate with cross-functional teams to build high-quality, performance-driven software solutions. 🗂️ Requirements: Minimum 7 years of professional experience in Java development, Strong proficiency in Java and enterprise-level applications, Solid understanding of software design patterns and architecture, Ability to work in a hybrid work model, Fluent English proficiency, Good command of Polish, Legal right to work in the European Union 📃 Skills: Java, CI/CD, Microservices, Cloud, Architecture, DesignPatterns 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Senior Java Developer within our client’s software development team, you will be working for a leading industry innovator dedicated to delivering cutting-edge applications. Your expertise will drive the development of robust, scalable, and efficient systems that empower organizations and transform digital experiences. Your main responsibilities: Design, develop, and maintain high-quality Java applications aligned with project requirements Collaborate with cross-functional teams to deliver seamless software solutions Identify and troubleshoot technical issues to ensure optimal system performance Participate in code reviews, testing, and documentation to uphold coding standards Contribute to continuous integration and deployment processes to enhance development workflows Implement best practices in software development and contribute to technical design discussions You're ideal for this role if you have: At least 7 years of professional experience in Java development Strong proficiency in Java, with experience in enterprise-level applications Solid understanding of software design patterns and architecture Ability to work effectively in a hybrid environment with a flexible remote schedule Good command of Polish and English, with fluent proficiency in English Excellent problem-solving skills and attention to detail It is a strong plus if you have: (optional) Experience with cloud platforms or microservices architecture Knowledge of additional programming languages or frameworks Certifications in Java or related technologies Language Required for the role: Polish and English – fluent proficiency in English preferred Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Java Developer role focused on designing and delivering robust, scalable enterprise applications within a hybrid work model. The position involves full-cycle development, technical design, troubleshooting, and contributing to CI/CD processes. Ideal for experienced Java professionals who want to shape high-quality software solutions in a collaborative environment. 🗂️ Requirements: Minimum 7 years of professional experience in Java development, Strong proficiency in Java and enterprise-level applications, Solid understanding of software design patterns and architecture, Fluent English proficiency, Good command of Polish, Ability to work in a hybrid work model, Legal right to work in the European Union 📃 Skills: Java, CI/CD, Microservices, Cloud, Architecture, DesignPatterns 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Senior Java Developer within our client’s software development team, you will be working for a leading industry innovator dedicated to delivering cutting-edge applications. Your expertise will drive the development of robust, scalable, and efficient systems that empower organizations and transform digital experiences. Your main responsibilities: Design, develop, and maintain high-quality Java applications aligned with project requirements Collaborate with cross-functional teams to deliver seamless software solutions Identify and troubleshoot technical issues to ensure optimal system performance Participate in code reviews, testing, and documentation to uphold coding standards Contribute to continuous integration and deployment processes to enhance development workflows Implement best practices in software development and contribute to technical design discussions You're ideal for this role if you have: At least 7 years of professional experience in Java development Strong proficiency in Java, with experience in enterprise-level applications Solid understanding of software design patterns and architecture Ability to work effectively in a hybrid environment with a flexible remote schedule Good command of Polish and English, with fluent proficiency in English Excellent problem-solving skills and attention to detail It is a strong plus if you have: (optional) Experience with cloud platforms or microservices architecture Knowledge of additional programming languages or frameworks Certifications in Java or related technologies Language Required for the role: Polish and English – fluent proficiency in English preferred Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Long-term B2B remote contract for a Senior Java Developer focused on designing and delivering complex enterprise or public-sector solutions. The role involves backend development, mentoring junior developers, and working with modern Java ecosystems including Spring Boot, OpenShift, and CI tools. No business travel is required. 🗂️ Requirements: Fluent German (C1), English proficiency minimum B1, Degree in Computer Science or equivalent, Minimum 5 years of professional Java experience, Strong knowledge of Spring Boot, Experience with RESTful APIs, Experience with JUnit, Experience with Mockito, Experience with OpenShift, Experience with Helm, Experience with Spring Data or JPA, Minimum 1 year experience with Oracle or PostgreSQL, Minimum 2 years experience with Gradle, Experience in large public-sector or enterprise projects 📃 Skills: Java, Spring, SpringBoot, REST, JUnit, Mockito, OpenShift, Helm, SpringData, JPA, Oracle, PostgreSQL, Gradle, React, TypeScript, Ajax 🏢 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. Remote work model Contract type: B2B, long-term – 48 months Business travels: No Salary Grids: 160-180 zł/h 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: Long-term B2B contract for a Senior Java Developer to design and implement complex Java-based solutions in large-scale enterprise or public sector projects. The role involves technical leadership, mentoring, and working in a fully remote model without business travel. The position requires strong backend expertise and experience with modern Java ecosystems and cloud-native tools. 🗂️ Requirements: Minimum 5 years of professional experience in Java, Strong knowledge of Spring Boot, Experience with RESTful APIs, Experience with JUnit and Mockito, Experience with OpenShift, Experience with Helm, Experience with Spring Data or JPA, Minimum 1 year experience with Oracle or PostgreSQL, Minimum 2 years experience with Gradle, Experience in large-scale enterprise or public sector projects, Degree in Computer Science or equivalent, German C1, English minimum B1 📃 Skills: Java, Spring, SpringBoot, REST, JUnit, Mockito, OpenShift, Helm, JPA, SpringData, Oracle, PostgreSQL, Gradle, SQL 🏢 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. Remote work model Contract type : B2B, long-term- 48 months Business travels : No Salary Grids: 160-180 zł/h 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 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: Senior Java Developer role focused on transforming a global enterprise platform into cloud-based microservices. The position involves developing enterprise solutions with Java 17-21, Spring, and Spring Boot while supporting critical business systems and cloud infrastructure initiatives. Hybrid work from the customer’s office is required 3 days per week. 🗂️ Requirements: 5+ years of experience with Java, Hands-on expertise in microservices architecture, Proficiency in Java 17-21, Experience with Spring, Experience with Spring Boot, Exposure to cloud platforms, Ability to work as a senior, self-sufficient engineer, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Microservices, Cloud, Azure, Copilot, GitHub 🏢 Description: We are looking for a Senior Java Developer to join the team supporting chapters and pods in bringing the client's platform to the cloud. This role contributes to solving complex enterprise-wide problems, with cloud data storage as a key enabler of our transformation journey. Please note that working from the customer's office is required 3 days per week. Responsibilities Support a large global system that underpins the client's operations worldwide Contribute to a project with direct and critical impact on business stability Help transform the system into microservices hosted in the cloud Take part in building new infrastructure within the domain Collaborate with chapters and pods to advance the platform's cloud journey Develop enterprise solutions using Java 17-21, Spring and Spring Boot Participate in long-term planning for the platform's cloud transformation Act as a senior, self-sufficient engineer within the team Requirements 5+ years of experience with Java, including hands-on expertise in microservices architecture Proficiency in Java 17-21, Spring and Spring Boot Exposure to Cloud platforms Capability to work as a senior, self-sufficient engineer Flexibility to arrange office days and working hours within the team English proficiency at B2 level or higher Nice to have Familiarity with MS Azure Familiarity with GH Copilot or similar AI-assisted development tools We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. 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.