JVM Software Engineer

🏢 Summary: Senior Java Developer role focused on building and optimizing enterprise backend systems while contributing to React-based frontend solutions. The position involves working with modern and legacy Java frameworks, Oracle databases, and deploying applications to Azure using CI/CD pipelines. It combines backend architecture, cloud deployment, and frontend collaboration in a dynamic enterprise environment. 🗂️ Requirements: Minimum 5 years of experience in Java backend development, Expertise in Spring Boot and Quarkus, Experience with Struts, JSP, and JDBC, Proficiency in Oracle Database including schema design and PL/SQL, Experience with CI/CD pipelines, Experience deploying applications to Azure, Experience with App Services, Azure SQL, and Kubernetes, Familiarity with React and TypeScript, English proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Quarkus, Struts, JSP, JDBC, Oracle, SQL, PLSQL, CI/CD, Azure, AppServices, AzureSQL, Kubernetes, React, TypeScript 🏢 Description: We are seeking a highly skilled Senior Java Developer with expertise in React to enhance and modernize our technology landscape. This role involves working on the development and optimization of backend systems while contributing to cutting-edge React-based UI solutions within a dynamic enterprise setting. This role offers a full office model, with 3 days per week working from the client's office in Krakow, Poland. Responsibilities Design and implement robust backend services using Java Leverage modern frameworks like Spring Boot and Quarkus as well as legacy technologies such as Struts, JSP, and JDBC Contribute to system architecture design and ensure seamless integration across enterprise systems Optimize Oracle Database performance through schema design and PL/SQL programming Manage and deploy applications via CI/CD pipelines to Azure infrastructure, including App Services, Azure SQL, and Kubernetes Develop and enhance React and TypeScript-driven user interfaces in cooperation with the frontend team Conduct thorough code reviews and guide team members by sharing expertise Collaborate with cross-functional teams to ensure scalable and secure application development Requirements At least 5 years of experience in Java backend development Expertise in modern frameworks like Spring Boot and Quarkus, alongside legacy systems such as Struts, JSP, and JDBC Proficiency in Oracle Database, including schema design, SQL, and PL/SQL Competency with CI/CD pipelines and experience in deploying applications to Azure, leveraging App Services, Azure SQL, and Kubernetes Familiarity with React and TypeScript for frontend development Demonstrated ability to mentor junior developers and collaborate effectively within a team English proficiency at B2 level or higher Nice to have Knowledge of system integration within large enterprise ecosystems Familiarity with cloud-native architectures and containerization Background in the financial sector or experience in regulated industries 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: Full Stack Senior Java Developer role focused on designing and delivering scalable web applications using Java and React.js in an Agile environment. The position involves building high-performance front-end components, developing RESTful microservices, and managing cloud-based deployments with modern DevOps practices. This is a hybrid role with long-term cooperation on high-impact, international projects. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering or related field, 5+ years of experience as Full Stack Developer with Java and React.js, Commercial experience with Agile methodologies, Strong experience in RESTful API and microservices development, Hands-on experience with SQL and NoSQL databases, Experience with CI/CD pipelines and containerization tools, Knowledge of authentication and authorization mechanisms 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHubActions, GitLab, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: Senior Java Developer IT · Warsaw (City Center) · Hybrid About the Client Our Client is a fast-growing, international technology company that provides innovative digital solutions for the global market. They are currently expanding and developing their R&D center in Warsaw. They focus on building high-quality, scalable products using modern tech stacks and agile methodologies. With a strong emphasis on engineering excellence, they offer a collaborative environment where experts can thrive and influence the technical direction of the products. Please note: Optiveum is a recruitment agency conducting this search on behalf of our Client. Role Overview We are seeking a highly skilled Full Stack Developer with expertise in Java and React.js to join our dynamic team. The ideal candidate should have over 5 years of experience in designing, developing, and deploying scalable web applications. This role requires strong front-end and back-end development expertise, working in an Agile environment to deliver high-quality software solutions. Key Responsibilities Front-End Development: Design and develop interactive, responsive, and high-performance UI components using React.js, Redux, and modern JavaScript (ES6+). Ensure cross-browser compatibility and a seamless user experience, while optimizing front-end performance and implementing best practices in UI/UX design. Back-End Development: Develop and maintain RESTful APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement robust authentication, authorization, and data management solutions, working with relational and NoSQL databases such as PostgreSQL, MySQL, and MongoDB. System Integration & Deployment: Integrate third-party services, APIs, and cloud-based solutions. Manage deployments using CI/CD pipelines and containerization tools like Docker & Kubernetes. Code Quality & Testing: Write clean, maintainable, and efficient code following best practices. Implement unit and integration tests for both front-end and back-end components. Collaboration & Agile Development: Work closely with UI/UX designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to continuous process improvements. Requirements & Qualifications Experience & Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 5+ years of professional experience as a Full Stack Developer with Java & React.js, alongside experience working with Agile development methodologies. Front-End Stack: Proficiency in React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript (ES6+). Strong understanding of state management libraries and component-based architecture. Experience with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Back-End Stack: Expertise in Java, Spring Boot, Hibernate, JPA, and RESTful API development. Experience with microservices architecture and API Gateway implementations. Knowledge of authentication mechanisms like OAuth2, JWT, and session-based authentication. Database & DevOps: Experience with SQL databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis). Hands-on experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD). Familiarity with cloud platforms (AWS, Azure, GCP) and containerization using Docker, Kubernetes. Soft Skills: Strong problem-solving and analytical skills. Excellent communication and teamwork abilities. Ability to manage multiple priorities in a fast-paced environment. Passion for learning new technologies and improving existing processes. What Is Offered Compensation: Monthly compensation up to $6,200 (depending on experience and interview results). Contract Type: B2B contract via Optiveum. Work Model: Hybrid (3 days working from the office located in the center of Warsaw, 2 days working from home). Stability: Long-term cooperation with a stable, international organization. Growth: Opportunity to work with the latest technologies and high-impact projects.

🏢 Summary: The offer is for an experienced Java Developer to design, develop, and maintain scalable backend systems and microservices in an international, hybrid work environment. The role focuses on building high-performance, secure enterprise applications, contributing to architecture decisions, and supporting CI/CD and DevOps practices. It is suited for engineers experienced in modern Java ecosystems and distributed systems. 🗂️ Requirements: Commercial experience in Java software development, Strong knowledge of Java and Spring Boot, Experience building RESTful APIs and microservices, Knowledge of Spring Framework, Hibernate, and JPA, Experience with relational databases (Oracle or PostgreSQL), Understanding of software design principles and application architecture, Experience with Git, Familiarity with Docker and CI/CD tools, Experience working in Agile (Scrum/Kanban) environments 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, Oracle, PostgreSQL, Git, Docker, CICD, Agile, Scrum, Kanban 🏢 Description: 📍 Location: Kraków (Hybrid – 6–8 days per month in the office) 📄 Contract Type: B2B / Employment Contract 🌍 International Environment About the Role We are looking for an experienced Java Developer to join a dynamic team delivering scalable, enterprise-grade solutions. You will be involved in designing, developing, and maintaining modern backend systems, contributing to architecture decisions, and building robust applications that support critical business processes. This is an excellent opportunity for engineers who enjoy working with modern technologies, microservices, cloud-ready solutions, and high-performance distributed systems. Responsibilities Design, develop, and maintain scalable backend applications and microservices using Java technologies. Build and enhance secure, reliable, and high-performing APIs. Participate in system architecture and technical design discussions. Develop high-quality, maintainable, and well-tested code. Collaborate with cross-functional teams to deliver business-critical solutions. Troubleshoot, analyze, and resolve application and production issues. Perform code reviews and contribute to engineering best practices. Support application performance, scalability, and reliability initiatives. Participate in Agile ceremonies, including sprint planning, refinement, and retrospectives. Contribute to CI/CD processes and DevOps practices. Requirements Commercial experience in software development using Java. Strong knowledge of Java and Spring Boot. Experience building RESTful APIs and microservice-based applications. Good understanding of Spring Framework, Hibernate, and JPA. Experience working with relational databases such as Oracle or PostgreSQL. Familiarity with NoSQL databases is a plus. Understanding of software design principles and application architecture. Experience with Git and modern software development practices. Familiarity with Docker and CI/CD tools. Experience working in Agile environments (Scrum/Kanban). Strong analytical and problem-solving skills. Good communication skills and ability to work collaboratively within a team. Nice to Have Experience with cloud platforms such as AWS, Azure, or GCP. Knowledge of Kubernetes and container orchestration. Exposure to frontend technologies such as React, Angular, or JavaScript. Experience with event-driven architectures and messaging systems. Understanding of security best practices in software development. What We Offer Opportunity to work on modern, large-scale enterprise solutions. Long-term projects in an international environment. Flexible hybrid working model. Exposure to modern technologies, cloud solutions, and microservices architecture. Professional growth opportunities and access to technical challenges. Collaborative culture focused on quality, innovation, and continuous improvement. Employment contract or B2B cooperation model.

🏢 Summary: Fullstack Developer role focused on building and evolving Java-based microservices and modern Angular Single Page Applications within an event-driven architecture. The position emphasizes backend development with Spring Boot, Kafka integration, and secure, scalable solutions, while contributing to CI/CD pipelines and frontend best practices. Work involves close collaboration on solution design, security implementation, and continuous improvement in an Agile environment. 🗂️ Requirements: Strong hands-on experience with Java 17–21, Strong experience with Spring Boot 3.x, Experience with microservices architecture, Experience with Kafka in event-driven or messaging systems, Strong practical experience with SQL and Oracle, Experience or strong understanding of Redis, Experience with Domain Driven Design, Experience with Node.js, Experience with TypeScript, Experience building Single Page Applications with Angular, Strong knowledge of Angular architecture and best practices, Strong understanding of web application security, Practical knowledge of OIDC and OAuth2, Experience with Git, Experience working in Agile methodologies 📃 Skills: Java, Spring, SpringBoot, Microservices, Kafka, SQL, Oracle, Redis, DDD, Node.js, TypeScript, Angular, SPA, Security, OIDC, OAuth2, Git, Agile 🏢 Description: Location: Hybrid work model – 2-3 days per week from the Warsaw office Salary: 160 – 170 PLN net/h (B2B via Experis) Tasks: •    Design, develop, and maintain fullstack applications with a strong emphasis on backend and modern frontend architectures •    Build high-quality, maintainable, secure, scalable, and testable software aligned with business requirements •    Develop and evolve Java-based microservices using Spring Boot •    Contribute to Single Page Applications development ensuring frontend best practices •    Collaborate with business and technical stakeholders to clarify and refine functional and non-functional requirements •    Participate in solution design pre-project studies and technical decision-making •    Integrate systems using event-driven architectures and streaming platforms •    Optimize and maintain existing codebases •    Implement execute and maintain automated tests and CI/CD pipelines •    Ensure application security including identity management and secure authentication flows •    Maintain and update technical documentation •    Participate in internal and external developer communities to share best practices •    Continuously improve skills in modern technologies and software engineering practices Requirements: Backend & Architecture •    Strong hands-on experience with Java 17–21 focusing on modern Java •    Strong experience with Spring Boot 3.x and microservices architectures •    Required experience with Kafka in event-driven or messaging-based systems •    Strong practical experience with SQL using Oracle •    Experience or strong understanding of Redis •    Experience with Domain Driven Design Frontend •    Required experience with Node.js •    Required experience with TypeScript •    Solid experience building Single Page Applications using Angular •    Strong knowledge of Angular best practices architecture and maintainability •    Experience with SPA development •    Webpack knowledge is a nice to have Security •    Strong understanding of web application security •    Practical knowledge of OIDC and OAuth2 protocols •    Experience with identity management platforms as a strong advantage •    Awareness of OWASP principles certifications are a plus DevOps & Tooling •    Required experience with Git •    Experience with CI/CD pipelines GitLab CI and Jenkins as a nice to have •    Maven knowledge as a nice to have •    Docker and Kubernetes knowledge as a nice to have •    Experience with IntelliJ and VS Code •    Knowledge of Jira and Confluence •    Python knowledge as a nice to have •    Practice with AI based code generation tools as a nice to have Methodologies & Ways of Working •    Experience working in Agile methodologies such as Scrum and Kanban •    DevOps mindset and practices •    Ability to collaborate in distributed international teams Offer: •    Multisport card •    Private healthcare •    Access to an e‑learning platform •    Group life insurance

🏢 Summary: Senior Frontend Developer role for a greenfield international project focused on enterprise-grade frontend applications using React and TypeScript. The position involves building advanced UI solutions, integrating APIs, and supporting explainable, auditable workflows in a hybrid B2B setup. Teams work cross-functionally following API-first and event-driven development principles. 🗂️ Requirements: Senior-level frontend development experience, Strong knowledge of React, Strong knowledge of TypeScript, Experience building complex enterprise-grade applications, Hands-on API integration experience, Familiarity with contract-first or API-first development, Experience creating reusable components, Experience working with design systems, Understanding of accessibility standards, Knowledge of responsive design, Knowledge of performance optimisation, Knowledge of usability principles, Experience with frontend testing, Ability to work in cross-functional teams, Strong quality and validation mindset, Fluent Polish, Fluent English 📃 Skills: React, TypeScript, API, HTML, CSS, JavaScript, Testing, Accessibility, Responsive, Performance, DesignSystems 🏢 Description: Cooperation Details Start date: As soon as possible, within 3–4 weeks Contract duration: 12 months initially, with possible extensions Contract type: B2B Working model: Hybrid, with 2 days per week from the Warsaw office and the remaining days remotely Equipment: Laptop provided by the client Travel: Up to one possible business trip per year to the Netherlands or France (paid by the Client) Languages: fluent Polish and English are a must We are looking for a Senior Frontend Developer to join a new initiative delivered for an international client operating in the information services sector. Both projects are greenfield initiatives developed from scratch. Each team will consist of approximately five people, including a Tech Lead, Backend Developer, Frontend Developer, and QA Engineer. Responsibilities Developing frontend applications using React and TypeScript. Building advanced enterprise-grade user interfaces, including dashboards, forms, filters, cards, and drill-down views. Integrating frontend applications with APIs using a contract-first approach. Designing and developing reusable components and solutions based on a design system. Ensuring accessibility, responsiveness, performance, usability, and overall application quality. Implementing explainability-focused UI patterns, including evidence, rationale, confidence levels, and source traceability. Building human review workflows that support approval, rejection, and manual override of system recommendations. Collaborating closely with the Tech Lead, Backend Developers, QA Engineers, and other team members. Contributing to component, UI integration, and regression testing. Working according to spec-driven development, API-first, and event-driven delivery principles. Ensuring auditability, traceability, and explainability by design. Supporting thin vertical slice and steel-thread delivery to validate end-to-end functionality early in the development process. Requirements Senior-level experience in frontend software development. Strong practical knowledge of React and TypeScript. Experience in building complex enterprise-grade applications and user interfaces. Hands-on experience with API integration. Familiarity with contract-first or API-first development. Experience in creating reusable components and working with design systems. Good understanding of accessibility, responsive design, performance optimisation, and usability. Experience with frontend components, integration, and regression testing. Ability to work effectively in a cross-functional product team. Strong quality and validation mindset from the beginning of the development lifecycle. Fluency in Polish and English. Experience in projects involving AI, agentic workflows, human-in-the-loop governance, explainability, or decision-support systems will be considered an advantage.

🏢 Summary: B2B contract for a Java Developer to build and maintain secure, scalable backend services and workflow-driven processes for a leading bank. The role focuses on Java/Spring development, BPM engine implementation (Flowable or similar), REST integrations, and event-driven microservices in a banking environment. You will work on enterprise-grade systems supporting core banking products and internal operations. 🗂️ Requirements: 4+ years of commercial experience in Java backend development, Commercial experience with Flowable or other BPM engine (Camunda, Activiti, jBPM) in production, Experience with Spring (Boot, MVC, Data) and Hibernate, Strong knowledge of REST APIs and microservices architecture, Strong knowledge of SQL and relational databases (MS SQL or Oracle), Experience with message brokers or streaming platforms (Kafka or similar), Experience with Maven and Git, Fluency in Polish, Advanced English (B2/C1) 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringData, SpringSecurity, Hibernate, Flowable, Camunda, Activiti, jBPM, BPMN, DMN, REST, Microservices, SQL, MSSQL, Oracle, Kafka, PubSub, Maven, Git, JUnit, Mockito 🏢 Description: Contract: B2B Rate: Mid: 110–130 PLN/h net + VAT, Senior: 120–140 PLN/h net + VAT Location: Remote within Poland Project: Development and maintenance of backend services and workflow-driven processes for a leading bank Project Overview Join our team as a Java Developer and work on a project for one of the leading banks. You will develop and maintain backend services, integrations, and business processes orchestrated in Flowable , supporting key banking products and internal operations. The project focuses on building secure, reliable, and scalable solutions used daily by thousands of customers and bank employees. You’ll collaborate closely with product and technical stakeholders, contribute to architecture discussions, and help continuously improve engineering standards and delivery practices. Key Technologies Backend: Java (Core Java), Spring (Spring Boot, Spring MVC, Spring Data, Spring Security), Hibernate Workflow: Flowable or Camunda/Activiti/jBPM (BPMN/DMN, process automation, integrations) APIs: REST API design & integration Databases: MS SQL, Oracle Messaging: Kafka / Pub/Sub (or similar) Tools: Maven, Git, JUnit, Mockito Responsibilities Design, develop, and maintain backend services in Java using Spring and Hibernate. Build and maintain workflow-driven solutions using Flowable (BPMN/DMN), including process modeling and implementation. Implement and integrate RESTful APIs with internal and external banking systems. Work in a microservices environment and support event-driven integrations (Kafka / Pub/Sub). Work with relational databases (MS SQL / Oracle): schema design, efficient queries, performance tuning. Write clean, testable, and well-documented code; create unit/integration tests (JUnit, Mockito). Troubleshoot production issues, debug incidents, and contribute to performance optimization. Collaborate with developers, QA, architects, analysts, and business stakeholders to refine requirements and propose technical solutions. Requirements 4+ years of commercial experience in Java development (enterprise/backend systems). Mandatory: Proven commercial experience with Flowable or another BPM/workflow engine (e.g., Camunda, Activiti, jBPM) used in production environments. Experience with Spring (Boot, MVC, Data; Security is a plus) and Hibernate. Solid understanding of REST APIs and microservices architecture. Strong knowledge of SQL and relational databases (MS SQL Server or Oracle). Hands-on experience with message queues/streaming platforms (Kafka, Pub/Sub, or similar). Practical experience with Maven and Git in daily development work. Fluency in Polish and an advanced level of English (B2/C1). Nice to have Banking/financial sector experience Familiarity with OAuth2 / OpenID Connect, security standards, and auditing Observability tools (logs/metrics/tracing), performance profiling Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People . We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us, and be part of a team where great minds, Right Energy , and strong partnerships come together to shape the future of technology! Stable, long-term, full-time collaboration. Remote work within Poland and flexible working hours. High engineering culture with a focus on growth and learning. Multinational teams. Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).

🏢 Summary: Hybrid Java Developer role focused on migrating a monolithic JBoss-based system to a Domain-Driven Design architecture using Spring Boot. The position involves backend development, system modernization, database migration, and support for new React-based frontends. The role combines development and maintenance of modern backend services in a large-scale IT environment. 🗂️ Requirements: Minimum 3 years commercial experience as Java Developer, Very good knowledge of Java 21+, Experience with Spring Boot, Experience with REST API development, Practical knowledge of unit and integration testing, Knowledge of Git and developer tools 📃 Skills: Java, SpringBoot, REST, Git, JBoss, React, Sybase, DDD, JUnit 🏢 Description: Dla wiodącej niemieckiej firmy z sektora telekomunikacji i usług IT, specjalizującej się w nowoczesnych rozwiązaniach takich jak cloud computing, hosting oraz usługi internetowe, poszukujemy Java Developera. Praca hybrydowa - biuro w Warszawie, Poznaniu lub Lublinie. Zakres obowiązków Migracja logiki biznesowej z monolitu (JBoss 4) do architektury Domain-Driven Design opartej na Spring Boot Rozwój i utrzymanie backendów opartych o nowoczesne technologie Udział w projektach związanych z: budową nowych frontendów w React (Spring Boot backend), migracją logiki bazodanowej (Sybase → nowsze standardy), modernizacją istniejących systemów Wymagania (must have) Minimum 3 lata doświadczenia komercyjnego w roli Java Developera Bardzo dobra znajomość Java (21+) Doświadczenie w pracy z Spring Boot oraz REST API Praktyczna znajomość testów jednostkowych i integracyjnych Znajomość Git oraz narzędzi developerskich

🏢 Summary: B2B contract for a Mid to Mid-Senior Java Backend Developer to work in a hybrid model on a high-impact financial/payments project. The role focuses on designing and developing microservices-based backend solutions using Java and Spring technologies, contributing to architecture, implementation, and continuous improvement within Agile teams. 🗂️ Requirements: 3+ years of professional experience in Java backend development, Proficiency in Java 8+ and Spring Boot, Experience building and consuming REST APIs, Experience designing and developing microservices, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Experience with Git/GitHub, GitHub Actions, Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux operating systems, Understanding of containerization, Knowledge of Agile methodologies 📃 Skills: Java, Spring, SpringBoot, REST, SOAP, HTTPS, SFTP, Microservices, Kafka, Git, GitHub, GitHubActions, Maven, Jenkins, Jira, MySQL, SQL, Linux, Docker, Agile 🏢 Description: Java Backend Developer We’re looking for an experienced Java Backend Developer to join a fast-paced, high-impact project in the financial / payments domain. Contract: B2B Work Mode: Hybrid 2/3 days from Warsaw office Qualifications • Minimum of 3+ years of relevant professional experience • Proficiency in JAVA 8+, building and consuming REST APIs, Spring Boot and Spring Technologies • Good knowledge in creating Microservices along with Kafka background. • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols • Familiarity with Linux operating systems • Strong grasp of microservices architecture and containerization • Knowledge of Agile frameworks and principles • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Mandatory Skills: • Java (Spring), REST APIs, Spring Boot and Spring Technologies • Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols. • Strong grasp of microservices architecture and containerization • Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira • Competence with MySQL and SQL databases Desired Skills: • Exceptional analytical and problem-solving abilities • Excellent written and verbal communication skills • Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams Years of exp needed: 3-4 years (Mid-Level) 5-7 Years (Mid-Senior) Roles and Responsibilities: The following items are in-scope for this Work Order. • Contribute to the technical design and engineering of applications. • Develop deep domain expertise. • Assist in analysing functional and technical requirements, including comprehensive architecture and design specifications. • Collaborate with Architecture and Business teams to deliver industry-leading solutions. • Participate daily in development, design, code review, and implementation activities. • Employ best practices and drive continuous improvement throughout the development lifecycle. The following items are out-of-scope for this Work Order: Create product requirement Work as a scrum master or product owner 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Backend Developer role focused on designing, building, and maintaining scalable Java and Kotlin-based applications and microservices within an international team. The position involves developing high-quality backend systems, collaborating with cross-functional teams, and optimizing distributed systems performance. The role emphasizes clean code, modern frameworks, and agile delivery practices. 🗂️ Requirements: 5+ years of backend development experience with Java 8+ and Kotlin, Strong knowledge of Spring Framework and Spring Boot, Experience building RESTful APIs and microservices, Experience with SQL and NoSQL databases, Understanding of Agile/Scrum methodologies 📃 Skills: Java, Kotlin, Spring, SpringBoot, REST, Microservices, SQL, NoSQL, PostgreSQL, MongoDB, Agile, Scrum 🏢 Description: We are looking for skilled Java & Kotlin Developers to join our growing technology team in Poland. As part of an international development group, you’ll design, build, and maintain scalable backend systems using Java and modern frameworks. You’ll collaborate closely with cross-functional teams to deliver high-quality, reliable, and efficient software solutions. Key Responsibilities Design, develop, and maintain Java-based applications and microservices. Write clean, efficient, and testable code following best practices and coding standards. Collaborate with front-end developers , DevOps engineers , and QA teams to ensure seamless integration and delivery. Participate in code reviews , architecture discussions, and agile ceremonies. Contribute to technical documentation and continuous improvement of development processes. Troubleshoot and optimize performance across distributed systems. Requirements 5+ years of experience in backend development using Java 8+ Kotlin . Strong understanding of Spring Framework / Spring Boot . Experience with RESTful APIs , microservices , and SQL / NoSQL databases (e.g., PostgreSQL, MongoDB). Knowledge of Agile / Scrum methodologies. Good command of English (B2 or higher) – Polish language skills are a plus. Nice to Have Experience with cloud platforms (AWS, Azure, or GCP). Familiarity with message brokers (Kafka, RabbitMQ). Knowledge of unit testing and test automation frameworks (JUnit, Mockito). Interest in DevOps or system design concepts. How to Apply If you’re passionate about building high-quality Java applications and want to be part of a dynamic engineering team, send your CV

🏢 Summary: Hybrid Java Backend Developer role focused on designing and delivering scalable, production-grade backend services using microservices and cloud-native architectures. The position involves full lifecycle ownership, from requirements and development to deployment and production support, with strong emphasis on system quality, security, and reliability. Work is primarily backend engineering in a hybrid model (3 days onsite in Wrocław). 🗂️ Requirements: 5+ years Java backend development experience, Strong experience with Spring framework, Experience with microservices architecture, Experience with cloud-native architectures, Knowledge of REST APIs and integration patterns, Understanding of system design principles, Experience working in UNIX environments, Scripting skills, Fluent English 📃 Skills: Java, Spring, Microservices, Azure, AKS, REST, UNIX, Scripting 🏢 Description: Java Backend Developer (Hybrid – Wrocław) We’re looking for a Java Backend Developer who enjoys building solid, scalable systems and wants to work on real, production-grade challenges, not just maintenance, but meaningful engineering. This is a hybrid role: 3 days in our Wrocław office, 2 days remote. What you’ll be doing: You’ll be designing and developing backend services that power digital products used by clients and internal teams. Expect real ownership across the full lifecycle - from shaping requirements, through development, testing, deployment, and keeping things running smoothly in production. You’ll work on improving system quality, security, and reliability, making sure our platforms are not just functional but robust and observable. That means helping to spot issues early, digging into root causes, and fixing problems properly - not just patching them. You’ll also contribute beyond code: sharing knowledge, supporting colleagues, and helping us grow a strong engineering culture. What we’re looking for: 5+ years of experience in Java/Spring backend development (ideally in financial services) Strong experience with microservices and cloud-native architectures (Azure AKS is a plus) Solid understanding of REST APIs, integration patterns, and system design Comfortable working in UNIX environments and with scripting Strong communication skills and fluent English Curiosity for new technologies and a mindset focused on long-term, sustainable solutions If you like solving complex problems, taking ownership, and building systems that actually matter in production - we’d like to hear from you.