Java Application Architect (f/m/x)

🏢 Summary: Senior Java System Architect role focused on designing and evolving domain architectures within an Omnichannel project, aligning business needs with scalable technical solutions. The position involves system design, security and performance analysis, and collaboration in Agile environments to deliver high-quality integrations. It offers a Warsaw-based engagement with a remote work model. 🗂️ Requirements: 7+ years of experience in system analysis and architecture, Strong expertise in Java, Strong expertise in PL/SQL, Experience with WebServices and REST, Knowledge of PostgreSQL, Experience with Git, Proficiency in UML and BPMN, Experience with JIRA, Experience working in Agile/Scrum environments, Fluency in Polish and English (B2+), Legal right to work in the European Union 📃 Skills: Java, PLSQL, WebServices, REST, PostgreSQL, Git, UML, BPMN, JIRA, Agile, Scrum 🏢 Description: Unleash innovation in software architecture — drive transformative solutions for the future! Warsaw-based opportunity with remote work model (up to 5 days/week). As a Technical System Analyst , you will be working for our client, a leading player in the IT industry dedicated to developing cutting-edge digital solutions. Your expertise will contribute to evolving domain architectures and process layers within the Tribe Omnichannel project, shaping innovative approaches that enhance user experiences and operational efficiency. This is an exciting chance to grow your career while pushing the boundaries of technology and business integration. Your main responsibilities: Develop architectural concepts and business solutions that align with project goals and stakeholder needs. Design system structures and analyze system security and performance requirements. Conduct business and pre-implementation analyses to define project feasibility and scope. Collaborate with international teams using Agile and Scrum methodologies to ensure successful project delivery. Create comprehensive system documentation, including UML and BPMN diagrams, to support development and testing phases. Participate in testing, validation, and system integration activities, ensuring quality and compliance. Maintain effective communication with stakeholders, presenting findings and progress reports clearly. You're ideal for this role if you have: Over 7 years of experience in system analysis and architecture. Strong expertise in Java, PL/SQL, WebServices, and REST. Working knowledge of PostgreSQL databases and Git version control. Proficiency in UML, BPMN, and tools like JIRA. Excellent analytical, organizational, and communication skills. Fluency in Polish and English (B2 level or higher). It is a strong plus if you have: (optional) Experience working in international environments. Certification in Agile or Scrum methodologies. Language Required for the role: Polish and English — good command required. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Junior Java Developer role focused on building, migrating, and enhancing enterprise legal technology applications within a large-scale environment. The position involves maintaining and refactoring web applications on Google infrastructure while ensuring performance, scalability, and continuous support. The role combines feature development, optimization, and bug fixing in an Agile setup. 🗂️ Requirements: Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics or related field, Experience with Java, Experience with JavaScript, Knowledge of software architecture and engineering principles, Experience with implementation or integration practices, Familiarity with Agile methodologies, Ability to maintain and refactor web applications, Ability to analyze, optimize and debug applications 📃 Skills: Java, JavaScript, Agile, GCP, Web, Backend, Architecture, Integration, Testing, Debugging, Monitoring 🏢 Description: We are looking for a motivated Junior Java Developer to join our team in building and modernizing cutting-edge legal technology solutions for a global enterprise. This role involves contributing to the migration, enhancement, and support of legal tooling applications within a dynamic, enterprise-scale environment that drives the digital transformation of legal processes. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Poland. Responsibilities Take ownership of existing legal tools to ensure a smooth transition and continuous support Develop new features and improve existing functionalities in legal tooling applications Apply best practices in software design, development, and maintenance for scalable projects Maintain and refactor web applications built on Google infrastructure Analyze, review, and optimize applications for improved efficiency, testing, and monitoring Diagnose, prioritize, and resolve technical bugs while ensuring excellent client support Requirements Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, a related field, or equivalent practical experience, which may include certifications Experience in one or more programming languages such as Java and JavaScript Knowledge of software architecture, engineering principles, and implementation or integration practices Familiarity with Agile methodologies for software development Nice to have Competency in backend development with a strong focus on Java Understanding of test methodologies, including test planning, case creation, and debugging Expertise in data warehousing, database design, API development, and system integration Knowledge of enterprise software architecture We offer/Benefits 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.

🏢 Summary: Junior Java Developer role focused on building, migrating and enhancing enterprise-scale legal technology applications in a hybrid environment. The position involves developing and maintaining web applications on Google infrastructure, improving existing tools and ensuring their stability and performance. The role supports digital transformation of legal processes through scalable and well-designed software solutions. 🗂️ Requirements: Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics or related field (or equivalent practical experience), Experience with Java, Experience with JavaScript, Knowledge of software architecture and engineering principles, Understanding of implementation and integration practices, Familiarity with Agile methodologies 📃 Skills: Java, JavaScript, Agile, GCP, SoftwareArchitecture, WebDevelopment, Testing, Debugging 🏢 Description: We are looking for a motivated Junior Java Developer to join our team in building and modernizing cutting-edge legal technology solutions for a global enterprise. This role involves contributing to the migration, enhancement, and support of legal tooling applications within a dynamic, enterprise-scale environment that drives the digital transformation of legal processes. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Poland. Responsibilities Take ownership of existing legal tools to ensure a smooth transition and continuous support Develop new features and improve existing functionalities in legal tooling applications Apply best practices in software design, development, and maintenance for scalable projects Maintain and refactor web applications built on Google infrastructure Analyze, review, and optimize applications for improved efficiency, testing, and monitoring Diagnose, prioritize, and resolve technical bugs while ensuring excellent client support Requirements Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, a related field, or equivalent practical experience, which may include certifications Experience in one or more programming languages such as Java and JavaScript Knowledge of software architecture, engineering principles, and implementation or integration practices Familiarity with Agile methodologies for software development Nice to have Competency in backend development with a strong focus on Java Understanding of test methodologies, including test planning, case creation, and debugging Expertise in data warehousing, database design, API development, and system integration Knowledge of enterprise software architecture We offer/Benefits 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.

🏢 Summary: Junior Java Developer role focused on building, modernizing, and supporting enterprise-scale legal technology applications. The position involves developing new features, maintaining and refactoring web applications on Google infrastructure, and ensuring application performance, testing, and monitoring. Work is performed in a hybrid model with close collaboration in an Agile environment. 🗂️ Requirements: Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics or related field, or equivalent practical experience, Experience with Java, Experience with JavaScript, Knowledge of software architecture and engineering principles, Understanding of implementation and integration practices, Familiarity with Agile methodologies 📃 Skills: Java, JavaScript, Agile, Google, Web, Architecture, Integration, Testing, Monitoring 🏢 Description: We are looking for a motivated Junior Java Developer to join our team in building and modernizing cutting-edge legal technology solutions for a global enterprise. This role involves contributing to the migration, enhancement, and support of legal tooling applications within a dynamic, enterprise-scale environment that drives the digital transformation of legal processes. This role offers a hybrid model, with 3 days per week working from the client's office in Kraków, Poland. Responsibilities Take ownership of existing legal tools to ensure a smooth transition and continuous support Develop new features and improve existing functionalities in legal tooling applications Apply best practices in software design, development, and maintenance for scalable projects Maintain and refactor web applications built on Google infrastructure Analyze, review, and optimize applications for improved efficiency, testing, and monitoring Diagnose, prioritize, and resolve technical bugs while ensuring excellent client support Requirements Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, a related field, or equivalent practical experience, which may include certifications Experience in one or more programming languages such as Java and JavaScript Knowledge of software architecture, engineering principles, and implementation or integration practices Familiarity with Agile methodologies for software development Nice to have Competency in backend development with a strong focus on Java Understanding of test methodologies, including test planning, case creation, and debugging Expertise in data warehousing, database design, API development, and system integration Knowledge of enterprise software architecture We offer/Benefits 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.

🏢 Summary: Backend Developer role in an e-mobility project focused on building modern, scalable solutions for electric vehicle charging and energy management. The position involves developing high-throughput, multi-tenant SaaS systems using microservices architecture. The role emphasizes performance optimization, scalability, and next-generation backend architecture. 🗂️ Requirements: Experience as Back End Developer, Proven experience with Java or Kotlin, Experience with Spring Boot, Experience with Microservices architecture, Experience with SaaS multitenant high-throughput systems, Proficiency in Object Oriented Design, Experience with relational databases (MySQL or PostgreSQL), Experience with Docker 📃 Skills: Java, Kotlin, SpringBoot, Microservices, SaaS, OOD, MySQL, PostgreSQL, SQL, Docker 🏢 Description: Project for a leader in the e-mobility industry. Join the team and work on comprehensive and modern solutions for charging electric vehicles and energy management. Requirements Experienced Back End Developer. Proven Java/Kotlin experience with Spring Boot framework. Proven experience with Micro-Services Architecture. Proven experience in SaaS multitenant high throughput systems. Proficient in OOD (Object Oriented Design). Proven experience with a relational Database (MySQL/Postgres, etc.) Experience with Docker. A good command of English (min. B2 level) Nice to have Deep knowledge of Hibernate, Knowledge of Kubernetes. Experience with ActiveMQ/RabbitMQ. Proficient in advanced SQL. Familiarity with a public Cloud provider (AWS or GCP or Azure). Experience with non-blocking programming (Vertx). Experience with Event driven architecture Ready to visit and work from the office, if needed, and after prior arrangement of a suitable date. Responsibilities Become an eminent member of our client’s product’s core team Participate in delivering increasingly better programming solutions. Focus on next-gen architecture, scalability and performance. Enhance core capabilities in LOB areas such as Billing, CRM. Assist in overall performance improvements, advanced optimizations

🏢 Summary: Backend Developer role in an e-mobility project focused on building scalable, high-performance solutions for EV charging and energy management. The position involves developing and optimizing microservices-based SaaS systems, enhancing core modules such as Billing and CRM, and driving next-generation architecture improvements. 🗂️ Requirements: Strong experience as Back End Developer, Proven Java or Kotlin with Spring Boot, Experience with Microservices architecture, Experience with SaaS multitenant high-throughput systems, Strong Object-Oriented Design knowledge, Experience with relational databases (MySQL or PostgreSQL), Experience with Docker, Advanced SQL knowledge 📃 Skills: Java, Kotlin, SpringBoot, Microservices, SaaS, OOD, MySQL, PostgreSQL, SQL, Docker, Hibernate, Kubernetes, ActiveMQ, RabbitMQ, AWS, GCP, Azure, Vertx 🏢 Description: Project for a leader in the e-mobility industry. Join the team and work on comprehensive and modern solutions for charging electric vehicles and energy management. Requirements Experienced Back End Developer. Proven Java/Kotlin experience with Spring Boot framework. Proven experience with Micro-Services Architecture. Proven experience in SaaS multitenant high throughput systems. Proficient in OOD (Object Oriented Design). Proven experience with a relational Database (MySQL/Postgres, etc.) Experience with Docker. A good command of English (min. B2 level) Nice to have Deep knowledge of Hibernate, Knowledge of Kubernetes. Experience with ActiveMQ/RabbitMQ. Proficient in advanced SQL. Familiarity with a public Cloud provider (AWS or GCP or Azure). Experience with non-blocking programming (Vertx). Experience with Event driven architecture Ready to visit and work from the office, if needed, and after prior arrangement of a suitable date. Responsibilities Become an eminent member of our client’s product’s core team Participate in delivering increasingly better programming solutions. Focus on next-gen architecture, scalability and performance. Enhance core capabilities in LOB areas such as Billing, CRM. Assist in overall performance improvements, advanced optimizations

🏢 Summary: The offer is for an experienced Java Developer to build and maintain scalable, enterprise-level applications supporting global travel platforms. The role involves full lifecycle development, designing and implementing REST/SOAP services, and working with modern Java technologies in an Agile, CI/CD-driven environment. You will collaborate with cross-functional teams to enhance business-critical systems and deliver high-quality, reliable software solutions. 🗂️ Requirements: Minimum 5 years of commercial experience as Java Developer, Experience with Java 8 and Java 17, Strong knowledge of Spring Framework, Strong knowledge of Hibernate, Strong knowledge of EclipseLink, Proficiency in Oracle SQL, Proficiency in PL/SQL, Experience with GitHub, Experience with TeamCity, Experience with Tomcat or Tomee, Experience designing and implementing REST web services, Experience designing and implementing SOAP web services, Knowledge of JSP, Knowledge of Struts, Knowledge of JavaScript, Experience with unit testing using JUnit, Very good command of English 📃 Skills: Java, Spring, Hibernate, EclipseLink, Oracle, SQL, PLSQL, GitHub, TeamCity, Tomcat, Tomee, REST, SOAP, JSP, Struts, JavaScript, JUnit 🏢 Description: We are looking for a Java Developer to join our team and contribute to building scalable, enterprise-level applications that support our global travel platforms. In this role, you will participate in the full software development lifecycle, working closely with Product Owners, QA Engineers, UX/UI Designers, and other developers to deliver reliable, high-quality solutions. You will play an important role in maintaining and enhancing business-critical systems while contributing to the continuous evolution of our technology landscape. Your responsibilities Participate in the full software development lifecycle, from requirements gathering and solution design to deployment and support Collaborate with Product Owners, Designers, QA Engineers, and Developers to deliver high-quality software solutions Design, develop, and maintain applications using Java technologies Write clean, efficient, and maintainable code following development best practices Develop and maintain automated unit tests using JUnit Design, implement, and maintain REST and SOAP web services Create, optimize, and troubleshoot SQL and PL/SQL queries Maintain and improve existing applications, including bug fixing and performance enhancements Prepare and maintain technical documentation Identify opportunities for system improvements and contribute to technical innovation Our requirements Minimum 5 years of commercial experience as a Java Developer Experience working with Java 8 and Java 17 Strong knowledge of Spring Framework, Hibernate, and EclipseLink Proficiency in Oracle SQL and PL/SQL Experience with tools such as GitHub, TeamCity, and Tomcat/Tomee Experience designing and implementing REST and SOAP web services Knowledge of JSP, Struts, and JavaScript Experience with unit testing using JUnit Strong analytical and problem-solving skills Very good command of English and ability to work in an international environment Nice to have Willingness to learn and work with React Experience with Linux, Docker, or AWS Familiarity with Java EE standards Understanding of CI/CD processes and modern development practices How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment Cross-functional teams working closely across Product, QA, UX/UI, and Engineering Focus on quality, maintainability, and continuous improvement What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects used by customers worldwide Attractive remuneration paid in EUR Flexible working hours Individual learning and development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on collaboration, knowledge sharing, and continuous improvement Space to innovate and bring your own ideas to life Support for IT community initiatives and professional networking Long-term cooperation in a stable, growing international organization

🏢 Summary: Role for an experienced Mobile Solution Architect responsible for designing and developing scalable, secure mobile application architectures across iOS and Android platforms. The position involves defining clean architecture standards, implementing CI/CD and cloud-based solutions, and mentoring development teams. The offer includes work on international projects with real impact on technological solutions. 🗂️ Requirements: Minimum 4 years of experience as Architect, Tech Lead or Senior, Strong experience in native mobile application development, Commercial experience with iOS and Android technology stack, Knowledge of design patterns and clean code practices, Experience with cloud architecture solutions, Experience working in Agile/Scrum methodology, English level B2 or higher 📃 Skills: Swift, SwiftUI, Kotlin, Flutter, ReactNative, AWS, GCP, Azure, CI/CD, iOS, Android, Scrum, Agile, Cloud 🏢 Description: Dla jednego z naszych Klientów, międzynarodowej firmy technologicznej, która projektuje, tworzy i rozwija innowacyjne aplikacje mobilne i webowe dla globalnych marek, poszukujemy doświadczonego Mobile Solution Architect'a. Twój zakres obowiązków Projektowanie, tworzenie i rozwój architektury najnowocześniejszych aplikacji mobilnych Tworzenie i wdrażanie skalowalnych integracji aplikacji na wielu platformach Wpływ na wydajność, bezpieczeństwo i jakość kodu poprzez definiowanie i egzekwowanie najlepszych praktyk Mentoring i wspieranie zespołu developerskiego, dzielenie się wiedzą Definiowanie architektury w oparciu o clean architecture, CI/CD i cloud solutions Wymagania: Minimum 4 lata doświadczenia na podobnym stanowisku (Architect / Tech Lead / Senior) Bardzo dobra znajomość i praktyka w tworzeniu natywnych aplikacji mobilnych Doświadczenia w stacku technologicznym na iOS i Android: Swift, Swift UI, Kotlin. Mile widziany także Flutter i React Native Znajomość wzorców projektowych i praktyk clean code Dobra znajomość metodyk zwinnych (Scrum/Agile) Doświadczenie w pracy z architekturą chmurową (AWS, GCP, Azure) Angielski min. B2 Oferujemy Stabilną i długofalową współpracę (UoP lub B2B) Hybrydowy model pracy – wtorki i czwartki w nowoczesnym biurze w Gdańsku Projekty dla międzynarodowych Klientów, w których realnie wpływasz na rozwiązania technologiczne Pakiet benefitów: prywatna opieka medyczna, Multisport, dofinansowanie nauki języków Środowisko otwarte na nowe pomysły i technologie

🏢 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: The offer is for a Senior Java Developer to build and maintain a customer-facing portal integrating multiple vendors, working in a hybrid model in Kraków. The role focuses on developing, enhancing, and maintaining business applications with strong emphasis on code quality, system integration, and continuous delivery. You will collaborate with cross-functional teams to design, debug, refactor, and improve scalable client-server solutions. 🗂️ Requirements: 3+ years experience with Java 8, Java 11 or Kotlin, Working knowledge of SQL databases, Basic knowledge of HTML and CSS, JavaScript skills for client-side debugging, Experience with client-server architecture, HTTP and REST, Knowledge of dependency injection, services and APIs, Experience with EngX, Strong object-oriented programming skills, Experience developing business applications with data storage and integration, Experience integrating 3rd-party software solutions, Understanding of data modeling, system integration and unit testing, Knowledge of web technologies, Advanced English, Residence in Kraków (hybrid work model) 📃 Skills: Java, Kotlin, SQL, HTML, CSS, JavaScript, HTTP, REST, OOP, EngX, APIs, UnitTesting, DataModeling, SystemIntegration, Cloud 🏢 Description: We are seeking a Senior Java Developer to join our driven team. You will be working in a project team that demands technical excellence and whose members are expected to hold each other accountable for the overall success of the output. The team strives to enable the client's organization to satisfy business customers through the continuous delivery of valuable and high-quality software that drives business performance. If you're ready to make an impact in a dynamic environment, we want to hear from you! For this role, we consider candidates residing in Kraków, due to a hybrid mode of work, with 3 days per week working from the office. Responsibilities Develop and maintain a front-end application to allow customers to interact with multiple vendors providing services through this portal Develop software patches and new features Write and review technical documents, including design, development, and revision documentation Create applications using standard and cloud-based software development tools Test, debug, maintain, and update programs Analyze, review, and modify programs to increase operating efficiency or meet new requirements Investigate, document, and resolve technical issues Collaborate with internal teams to define and implement solutions that improve the provider experience Perform code refactoring, reduce technical debt, and adopt a product mindset to assess code and recommend improvements Requirements 3+ years of experience with Java 8, Java 11, or Kotlin Working knowledge of SQL databases Basic knowledge of HTML/CSS Skills in JavaScript (at least at a level sufficient to understand client-side request-response flow and debug in-browser errors) Experience with client-server architecture, HTTP, and REST Knowledge of dependency injection, services, and APIs Experience with EngX Proven technical problem-solving skills Experience in object-oriented programming Experience developing business applications, including data storage and application integration Experience implementing, configuring, customizing, and integrating 3rd-party software solutions Solid understanding of information management, data modeling, system integration, and development methodologies (including unit testing) Knowledge of web technologies Quick learner Advanced written and verbal communication skills in English We offer/Benefits 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.