Senior Java Developer

🏢 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, 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 focused on designing and implementing modern, scalable backend and distributed systems within Agile teams. The position involves architectural decisions, technology selection, and ensuring high code quality, security, and reliability in cloud-based environments. 🗂️ Requirements: 7+ years of experience with Java, Experience with Apache Kafka, Practical knowledge of Kubernetes, Experience with Spring and Spring Boot, Experience with Hibernate or MyBatis, Experience with relational or NoSQL databases, Experience with at least one cloud platform: AWS, Google Cloud, Azure, or OpenShift, Experience in building scalable distributed systems, Knowledge of backend architecture and design patterns 📃 Skills: Java, Kafka, Kubernetes, Spring, SpringBoot, Hibernate, MyBatis, SQL, NoSQL, AWS, GCP, Azure, OpenShift, Scrum 🏢 Description: Poszukujemy osoby doświadczonej w roli Senior Java Developer (7y+) / Software Engineer , która dołączy do zespołów realizujących nowoczesne, skalowalne rozwiązania. Zakres obowiązków Projektowanie, architektura oraz wdrażanie nowoczesnych rozwiązań backendowych Dobór i implementacja narzędzi, frameworków oraz wzorców architektonicznych Budowanie skalowalnych i niezawodnych systemów rozproszonych Aktywne śledzenie trendów technologicznych i wdrażanie innowacyjnych rozwiązań Dzielenie się wiedzą i dobrymi praktykami w zespole oraz w organizacji Praca w zespołach Agile (Scrum), udział w planowaniu i refinementach Dbałość o jakość kodu, testy oraz bezpieczeństwo aplikacji Wymagania techniczne (Must have) Bardzo dobra znajomość Java (7y+) Doświadczenie w pracy z Apache Kafka Praktyczna znajomość Kubernetes Frameworki: Spring / Spring Boot Doświadczenie z ORM: Hibernate, MyBatis Praca z relacyjnymi i/lub NoSQL bazami danych Doświadczenie w pracy z chmurą (minimum jedna z): AWS / Google Cloud / Azure / OpenShift Mile widziane (Nice to have) Frontend: ReactJS / Redux, React Native, Angular Konteneryzacja: Docker Wyszukiwarki i silniki indeksujące: ElasticSearch, SOLR Systemy kolejkowe i message brokers Migracje i wersjonowanie schematów DB: Flyway, Liquibase

🏢 Summary: The role involves designing, developing, testing, and maintaining complex Java-based systems with a focus on building new functionalities and supporting existing components. You will work with modern cloud and container technologies, contribute to architectural decisions, and ensure high code quality in an event-driven environment. The position includes active participation in Agile processes and close collaboration with architects and cross-functional teams. 🗂️ Requirements: Proficient in Java 17+, Experience with Spring Framework, Experience with Hibernate, Knowledge of SQL, Experience with Oracle databases, Experience with JUnit or similar testing frameworks, Experience with Docker, Experience with OpenShift, Experience with AWS or Azure, Experience with event-driven systems, Practical experience with Kafka 📃 Skills: Java, Spring, Hibernate, SQL, Oracle, JUnit, Docker, OpenShift, AWS, Azure, Kafka 🏢 Description: Jako Senior Java Developer będziesz odpowiedzialny/a za: Projektowanie, rozwój, testowanie i debugowanie nowych funkcjonalności w złożonym systemie Rozwijanie oraz utrzymanie istniejących komponentów Wsparcie architektów w budowaniu długoterminowej wizji technologicznej Tworzenie dokumentacji technicznej i prototypów Analizę problemów w środowiskach developerskich i produkcyjnych Przekładanie wymagań biznesowych na rozwiązania techniczne Dbanie o jakość kodu i standardy programistyczne Udział w ceremoniach Agile (planowanie, demo) Wymagania (must-have) Bardzo dobra znajomość Java (min. 17) Doświadczenie z Spring Framework, Hibernate Znajomość SQL / Oracle Doświadczenie z testami ( JUnit lub podobne ) Znajomość konteneryzacji ( Docker, OpenShift ) Doświadczenie z chmurą ( AWS lub Azure ) Praca z systemami event-driven ( Kafka mile widziana jako must praktyczny ) Bardzo dobra znajomość języka angielskiego (B2+) Umiejętność analitycznego myślenia i rozwiązywania problemów Dobra organizacja pracy i zarządzanie czasem Wysokie kompetencje interpersonalne Mile widziane Znajomość ElasticSearch / Solr Doświadczenie z architekturą mikroserwisów Praca z systemami rozproszonymi Migracje monolit → mikroserwisy Doświadczenie w metodykach Agile Co oferujemy Pracę nad zaawansowanym produktem o realnym wpływie na bezpieczeństwo lotów Międzynarodowe środowisko i współpracę z ekspertami Dużą autonomię i wpływ na rozwój systemu Hybrydowy model pracy (Kraków) Możliwość rozwoju w kierunku architektury i systemów rozproszonych

🏢 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 maintaining Java backend applications within a center of excellence, contributing to architecture decisions and CI/CD processes. The position involves working in a collaborative, non-hierarchical environment and mentoring junior developers. It requires strong backend expertise and active participation in modern microservices-based architectures. 🗂️ Requirements: Higher education degree, 5+ years of Java backend development experience, Strong knowledge of Spring and Spring Boot, Experience with relational databases (Oracle, PostgreSQL), Proficiency in SQL, Experience with JPA and Hibernate, Knowledge of microservices-based architecture, Experience with CI/CD tools and processes, English proficiency at B2 level 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, PostgreSQL, JPA, Hibernate, Microservices, CI/CD, Angular, AWS 🏢 Description: Summary: The role of a Senior Java Developer involves contributing to the establishment of a center of excellence within a leading multinational company. The primary goal is to leverage strong Java development skills in a collaborative, innovative environment while mentoring junior developers. Responsibilities: * Join the establishment of a center of excellence. * Develop and maintain Java backend applications. * Mentor and coach junior team members (Senior role). * Facilitate onboarding and serve as a role model (Lead role). * Collaborate in a horizontal organization with no management hierarchy. * Engage in CI/CD practices and application architecture discussions. Must Haves: * Higher education degree. * Strong experience with Java Backend development (5+ years). * Proficiency in Spring/Spring Boot framework. * Experience with Relational Database Management Systems (Oracle, PostgreSQL, SQL). * Familiarity with JPA and Hibernate. * Knowledge of Application architecture (Microservices based, hexagonal…). * Proficiency in CI/CD tools. * English proficiency at B2 level. Nice to Haves: * Experience with Java Frontend frameworks (Angular or similar). * Familiarity with AWS or other cloud platforms. * Problem-solving skills and logical reasoning. * Passion for continuous learning and growth. * Experience in Agile environments and Scrum methodologies. Other Details: * Work Model: 4 days in-office initially, transitioning to 3 days in-office and 2 days remote. * Work Schedule: 43 hours/week in winter and 39 hours/week in summer with additional compensation days.

🏢 Summary: Senior Java Developer role in an international insurance project focused on building and evolving Java-based microservices. The position involves developing, testing, and discussing architectural solutions within a collaborative, cross-functional team. The role requires strong experience in modern Java ecosystems and cloud-based environments. 🗂️ Requirements: Minimum 5 years of commercial experience in Java development, Strong knowledge of Java 8+, Experience with AWS, Experience with Spring and Spring Boot, Practical knowledge of REST, Experience with Maven, Experience with Git, Knowledge of SOLID principles, Experience with microservices architecture, Experience with Docker, Experience with Kubernetes, Ability to write unit and integration tests, Knowledge of design patterns 📃 Skills: Java, AWS, Spring, SpringBoot, REST, Maven, Git, SOLID, Docker, Kubernetes, Microservices, DesignPatterns 🏢 Description: Do projektu dla naszego długoletniego klienta szukamy Senior Java Developera. Do jednego z projektów dla naszego klienta z branży ubezpieczeniowej w rynku zagranicznego szukamy osoby na stanowisko Java Developera. Szukamy Ciebie, jeśli: masz min. 5 lata doświadczenia komercyjnego w programowaniu, swobodnie poruszasz się w następującym stacku technologicznym: Java 8+, AWS, Spring, Spring Boot , posiadasz praktyczną znajomość: REST, Maven, Git, SOLID, znasz rozwiązania mikroserwisowe (Docker, Kubernetes) - mile widziane, wiesz jak pisać testy i korzystasz z narzędzi do testowania, znasz i stosujesz wzorce projektowe, komunikujesz się w j. angielski na poziomie pozwalającym na swobodną komunikację w projekcie z klientem i zespołem (poziom min. B2). swobodnie komunikujesz się w języku polskim . Na tym stanowisku będziesz: tworzyć oprogramowanie w języku Java, współpracować z zespołem programistów, z analitykami, testerami, klientami i innymi specjalistami z branży IT, uczestniczyć w tworzeniu rozwiązań, omawianiu problemów programistycznych i architektonicznych. testować i opiniować nowe technologie i nowe rozwiązania dla klientów realizować testy jednostkowe i integracyjne.

🏢 Summary: Senior Java Developer role for a long-term B2B project in a hybrid model (3 days onsite in Krakow), focused on designing and optimizing scalable Java-based architectures in an Agile environment. The position involves working with advanced Java concepts, microservices, and API management to build and maintain high-performance systems. 🗂️ Requirements: 8–10 years of experience in Java development, Strong knowledge of advanced Java concepts, Experience with Java API management, Experience in microservices architecture, Experience with database technologies, Ability to design scalable system architectures, Experience in performance testing and system validation, Experience working in Agile environment 📃 Skills: Java, Microservices, API, SQL, Databases, Agile, Architecture, PerformanceTesting 🏢 Description: We are looking for a Senior Java Developer on behalf of our client, a well-known and fast-growing technology company offering a stable, long-term project in a modern environment. 📍 Work mode: Hybrid — 3 days from Krakow 📄 Contract: B2B Role Description Agile Way of Working Advanced Java Concepts Java API Management & Microservices Database Technology Experience (Years): 8–10 Responsibilities Designing scalable architecture systems for Java-based applications. Identifying the hardware and software infrastructure needs to accommodate the company’s architectural goals. Troubleshooting design flaws and system bottlenecks. Performing validation tests to ensure the flexibility and scalability of the Java environment. Assisting the software design team with application integration. Conducting system performance tests. Completing systems reports. Responsibility of Expectations from the Role: Designing scalable architecture systems for Java-based applications. Identifying the hardware and software infrastructure needs to accommodate the company’s architectural goals. Troubleshooting design flaws and system bottlenecks. Performing validation tests to ensure the flexibility and scalability of the Java environment. Assisting the software design team with application integration. Conducting system performance tests. Completing systems reports. ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: 6-month contract role for a Senior Java Developer responsible for designing, developing, and maintaining scalable enterprise-level APIs and applications. The position involves full SDLC participation, including system analysis, design, coding, testing, and deployment in an Agile environment. The developer will lead technical activities, ensure high-performance solutions, and support production systems. 🗂️ Requirements: 6–8 years of Java development experience, Strong knowledge of Core Java 1.8, Experience with J2EE, Experience with Spring framework, Experience with Hibernate, Proficiency in RESTful API design and development, Strong knowledge of SQL, Experience with relational databases, Experience with Maven or Gradle, Experience with JUnit and Mockito, Experience in Agile methodologies, Ability to design and develop scalable enterprise applications 📃 Skills: Java, J2EE, Spring, Hibernate, MySQL, PostgreSQL, SQL, REST, Maven, Gradle, JUnit, Mockito, Agile 🏢 Description: Designation: Senior Java Developer Years of Experience: 6 to 8  years Contract Duration: 6 Months Work Mode / Shift Timing: Normal Shift (9:00 AM – 6:00 PM) Senior Java Developer Skillset: Proven experience of at least 6-8 years in Java-based programming. Strong knowledge of Core Java (1.8), J2EE, Spring, Hibernate, and MySQL. Familiarity with RESTful API design and development. Solid understanding of relational databases (e.g., PostgreSQL, MySQL) and SQL. Familiarity with build tools such as Maven and Gradle. Excellent analytical and problem-solving skills. Strong experience in writing unit tests using JUnit and Mockito Responsibilities: Responsible for understanding the software requirements and developing it into a working source code accordingly. The overall objective of this role is to contribute to applications systems analysis and programming activities. Successful candidates will be strong developers who take ownership of his/her applications, demonstrate critical thinking in design, communicate clearly, and have a consistent track record of delivering and supporting scalable, high performance enterprise-level API. The implementation around enterprise systems require strong critical thinking skills, creative engineering balanced with high quality and customer focus.a The ideal candidate is one that is not only passionate about software development and software architecture but also focus on business needs and customer experience. The day-to-day work is interesting, challenging and fast-paced! Profile Required Work with business stakeholders, project managers, business analysts, and other IT teams to understand the business needs and their requirements. Work with a development team of software engineers and enterprise architects to ensure the solutions meet our business needs using Agile methodologies in a fast-paced environment. Will often require to take a lead role in the entire development cycle, conduct design and code reviews, and have a heavy input throughout the process, from requirements to production deployment. Create technical system specifications and ensure documentation remains current throughout all phases of the SDLC. Raise up opportunities, enhancements, and process improvements. Communicate timely status, including any potential risks/issues of the assignments to management. Research, design, define, develop, test, document and implement new service APIs or changes to existing services. Participate in test planning, development, and execution for integration and system testing. Learn new software tools and skills as needed. Keep up with technologies. Provide mentoring to other development staff on technical topics. Support and maintain applications utilizing required tools and technologies. Ensure applications are scalable and operate efficiently in the production environment. Must be self-motivated and take initiative

🏢 Summary: 6-month contract role for a Senior Java Developer with 6–8 years of experience, focused on designing, developing, and maintaining scalable enterprise-level APIs and application systems. The position involves full SDLC participation, technical leadership, and collaboration in an Agile environment to deliver high-performance solutions. 🗂️ Requirements: 6-8 years experience in Java development, Strong knowledge of Core Java 1.8, Experience with J2EE, Experience with Spring framework, Experience with Hibernate, Experience with MySQL, Experience designing and developing RESTful APIs, Strong knowledge of SQL and relational databases, Experience with Maven or Gradle, Experience writing unit tests using JUnit and Mockito, Experience working in Agile environment, Ability to lead development cycle and conduct code reviews 📃 Skills: Java, J2EE, Spring, Hibernate, MySQL, PostgreSQL, SQL, REST, Maven, Gradle, JUnit, Mockito, Agile 🏢 Description: Designation: Senior Java Developer Years of Experience: 6 to 8  years Contract Duration: 6 Months Work Mode / Shift Timing: Normal Shift (9:00 AM – 6:00 PM) Senior Java Developer Skillset: Proven experience of at least 6-8 years in Java-based programming. Strong knowledge of Core Java (1.8), J2EE, Spring, Hibernate, and MySQL. Familiarity with RESTful API design and development. Solid understanding of relational databases (e.g., PostgreSQL, MySQL) and SQL. Familiarity with build tools such as Maven and Gradle. Excellent analytical and problem-solving skills. Strong experience in writing unit tests using JUnit and Mockito Responsibilities: Responsible for understanding the software requirements and developing it into a working source code accordingly. The overall objective of this role is to contribute to applications systems analysis and programming activities. Successful candidates will be strong developers who take ownership of his/her applications, demonstrate critical thinking in design, communicate clearly, and have a consistent track record of delivering and supporting scalable, high performance enterprise-level API. The implementation around enterprise systems require strong critical thinking skills, creative engineering balanced with high quality and customer focus.a The ideal candidate is one that is not only passionate about software development and software architecture but also focus on business needs and customer experience. The day-to-day work is interesting, challenging and fast-paced! Profile Required Work with business stakeholders, project managers, business analysts, and other IT teams to understand the business needs and their requirements. Work with a development team of software engineers and enterprise architects to ensure the solutions meet our business needs using Agile methodologies in a fast-paced environment. Will often require to take a lead role in the entire development cycle, conduct design and code reviews, and have a heavy input throughout the process, from requirements to production deployment. Create technical system specifications and ensure documentation remains current throughout all phases of the SDLC. Raise up opportunities, enhancements, and process improvements. Communicate timely status, including any potential risks/issues of the assignments to management. Research, design, define, develop, test, document and implement new service APIs or changes to existing services. Participate in test planning, development, and execution for integration and system testing. Learn new software tools and skills as needed. Keep up with technologies. Provide mentoring to other development staff on technical topics. Support and maintain applications utilizing required tools and technologies. Ensure applications are scalable and operate efficiently in the production environment. Must be self-motivated and take initiative