Senior Fullstack Developer (hybrid from Warsaw)

🏢 Summary: Full-stack Java developer role in the financial sector focused on building scalable microservices and modern frontend applications in an Agile environment. The position involves backend and frontend development using Java, Angular, cloud-native technologies, and distributed systems integrations. Hybrid work model with a long-term international project and competitive B2B rate. 🗂️ Requirements: 5+ years of commercial Java development experience, 2+ years of Angular experience, Knowledge of Spring Framework, Experience with microservices architecture, Experience with Docker, Experience with Kubernetes, Experience with Kafka and distributed systems, Knowledge of REST APIs, Knowledge of SQL, Experience with Oracle databases, Experience with Git, Understanding of Clean Code principles, Understanding of Continuous Integration, Experience integrating REST and SOAP services, Knowledge of XML, Knowledge of JSON, Knowledge of Avro, English level B2 or higher 📃 Skills: Java, Angular, React, Spring, Docker, Kubernetes, Kafka, REST, SQL, Oracle, Git, SOAP, XML, JSON, Avro, Jenkins, ArgoCD 🏢 Description: Senior Java Full-stack Developer 📍 Location: Warsaw, Gdańsk or Gdynia 🏢 Work model: Hybrid (3 days per week in the office) 📅 Project duration: August 2026 – January 2027 💰 B2B rate: up to 157 PLN/h ⏰ Full-time (40h/week) About the project Join an international financial institution and become part of a team responsible for building modern, scalable solutions supporting one of the company's key business domains. You will work in an Agile environment, developing cloud-ready microservices and integrating modern applications with existing enterprise platforms. This role combines backend and frontend development while giving you the opportunity to work with modern technologies, distributed systems, and high-performance applications. Your responsibilities Design, develop and maintain full-stack applications. Build and enhance Java-based microservices. Develop modern frontend solutions using Angular. Integrate applications using REST APIs, Kafka, MQ and Oracle databases. Participate in migration and transformation of existing systems. Ensure application quality, scalability and performance. Collaborate with architects, analysts, QA engineers and business stakeholders. Contribute to code reviews and technical improvements. We are looking for someone who has Minimum 5 years of commercial experience with Java development. At least 2 years of experience with Angular (React is also valued). Strong knowledge of Spring Framework . Experience building microservices architectures . Practical experience with Docker and Kubernetes . Experience working with Kafka and distributed systems. Knowledge of REST APIs , SQL and Oracle databases. Experience with Git . Understanding of Clean Code , Continuous Integration and software engineering best practices. Experience integrating REST and SOAP services. Good understanding of XML, JSON and Avro . Good command of English (B2 or higher) . Nice to have Jenkins Argo CD Event Sourcing Schema Registry DevOps practices What we offer Competitive B2B rate of up to 157 PLN/hour . Long-term international project. Opportunity to work with modern cloud-native technologies. Challenging projects within the financial sector. Professional, collaborative and Agile environment. Work with experienced engineers on large-scale enterprise solutions.

🏢 Summary: Senior Full Stack Developer role focused on building and evolving modern, scalable enterprise applications using Java, Angular, and Kafka within a microservices and event-driven architecture. The position involves end-to-end feature development, system integration, and contribution to architectural decisions in a hybrid work model. Long-term B2B engagement on secure, high-performance systems. 🗂️ Requirements: Strong experience as Full Stack Developer, Hands-on experience with Java 17–21, Experience with Spring Boot microservices, Strong experience with Angular, Strong experience with TypeScript, Practical experience with Kafka, Experience with event-driven architecture, Good knowledge of SQL, Experience with Oracle database, Experience with Redis, Knowledge of OAuth2 and OIDC, Understanding of OWASP security practices, Experience with CI/CD pipelines, Experience with GitLab CI or Jenkins, Familiarity with Docker, Familiarity with Kubernetes 📃 Skills: Java, SpringBoot, Angular, TypeScript, Kafka, Microservices, SQL, Oracle, Redis, OAuth2, OIDC, OWASP, GitLab, Jenkins, Docker, Kubernetes 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced senior Full Stack Developer (Java / Angular / Kafka) to join a hybrid development team working on modern, scalable, and secure enterprise applications based on microservices and event-driven architecture Project information: Type of project: IT services Office location: Warsaw, Poland Work mode: Hybrid (approx. 50% on-site per month) Budget: 140-170 PLN net/ h- b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop full-stack features (frontend + backend) Design, develop, and maintain full-stack applications using Java and Angular Build and evolve microservices using Spring Boot (Java 17–21) Develop event-driven systems using Kafka Contribute to SPA frontend development with Angular and TypeScript Integrate systems and ensure smooth data flow across services Participate in architecture design and technical decision-making Implement secure authentication and identity management (OIDC, OAuth2) Write and maintain automated tests and CI/CD pipelines Optimize performance, scalability, and maintainability of existing systems Collaborate with international stakeholders in an Agile environment Competence demands: Strong experience as a Full Stack Developer (mandatory) Hands-on expertise in Java 17–21 and Spring Boot microservices Strong experience with Angular and TypeScript (SPA development) Practical experience with Kafka and event-driven architectures Good knowledge of SQL (Oracle) and Redis Understanding of secure development practices (OAuth2, OIDC, OWASP) Experience with CI/CD tools (GitLab CI or Jenkins) Familiarity with Docker and Kubernetes Strong problem-solving and analytical skills Excellent English communication skills Nice to have: Node.js, Python, Maven, AI-assisted development tools We offer: Hybrid working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Hybrid Java Fullstack Developer role focused on building and maintaining scalable web applications using Java and React.js. The position involves developing backend services, modern frontend interfaces, and RESTful APIs while supporting CI/CD processes. Work model includes two days onsite in Warsaw with the remaining days remote. 🗂️ Requirements: Strong experience with Java, Solid experience with React.js, Experience building and consuming REST APIs, Strong knowledge of JavaScript, Strong knowledge of HTML, Strong knowledge of CSS, Experience with Git, Experience with CI/CD pipelines, Familiarity with Agile environments, English proficiency 📃 Skills: Java, React, REST, JavaScript, HTML, CSS, Git, CI/CD, Spring, TypeScript, SQL, Docker 🏢 Description: We are looking for an experienced Java Fullstack Developer to join our development team in Kraków. In this role, you will work on building and maintaining scalable web applications, contributing to both backend services and modern frontend interfaces. This position follows a hybrid working model with two/three days per week onsite in Warsaw . Key Responsibilities Develop and maintain backend services using Java Build responsive and modern user interfaces using React.js Design and implement RESTful APIs Collaborate with product managers, designers, and engineers to deliver new features Write clean, maintainable, and efficient code Participate in code reviews and contribute to development best practices Troubleshoot and resolve technical issues Support integration and deployment through CI/CD pipelines Required Skills and Experience Strong experience with Java Solid experience with React.js Experience building and consuming REST APIs Strong knowledge of JavaScript, HTML, and CSS Experience with Git and modern development workflows Familiarity with Agile development environments Good communication skills in English Nice to Have Experience with Spring Boot Experience with TypeScript Knowledge of SQL databases Familiarity with Docker or cloud platforms Work Model Hybrid: 2 days onsite in Warsaw , remaining days remote.

🏢 Summary: Senior Full Stack Java Developer role focused on building secure, scalable enterprise applications in the fintech and payments domain. The position covers full-stack development, AI-assisted engineering, and CI/CD automation within a modern microservices architecture. The role involves end-to-end delivery from design to deployment in a hybrid work model. 🗂️ Requirements: 5+ years commercial experience with Java, Strong expertise in SpringBoot, Strong expertise in SpringSecurity, Strong expertise in Hibernate and JPA, Experience building REST APIs, Experience with microservices and distributed systems, Solid knowledge of HTML5 CSS3 JavaScript, Hands-on experience with React Angular or Vue, Experience with Jenkins pipelines, Experience with Docker and Kubernetes, Experience with MySQL PostgreSQL or Oracle, Knowledge of software architecture and design patterns, Experience working in Agile Scrum, Understanding of cryptography encryption digital signatures and key management, Experience writing unit and integration tests using JUnit and Mockito 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, REST, Microservices, HTML5, CSS3, JavaScript, React, Angular, Vue, Jenkins, Docker, Kubernetes, MySQL, PostgreSQL, Oracle, JUnit, Mockito, CICD, Agile, Scrum, Cryptography, Encryption, DigitalSignatures, KeyManagement, DesignPatterns 🏢 Description: 🚀 Senior Full Stack Java Developer 📍 Hybrid | 1 day from the office in Gdańsk or Warsaw Are you an experienced Full Stack Developer passionate about building secure, scalable applications and leveraging the latest AI-powered development tools? Join our team and help shape innovative solutions within the payments and fintech space. We're looking for a Senior Software Engineer who combines strong Java expertise with a modern engineering mindset and enthusiasm for Agentic AI technologies such as GitHub Copilot, ChatGPT, Claude, and Cline. 💡 Your Mission As a Senior Full Stack Java Developer, you will: 🔧 Development & Engineering Design, develop, and maintain enterprise-grade full-stack applications. Build scalable backend services using Java, Spring Boot, and Spring Security. Develop modern, responsive user interfaces using React, Angular, or Vue.js. Optimize database interactions using Hibernate/JPA. Design and implement secure solutions for handling sensitive financial data. Participate in the full software development lifecycle—from concept to deployment. 🤖 AI-Powered Development Utilize Agentic AI tools to accelerate development and improve code quality. Apply AI solutions for coding, testing, documentation, and troubleshooting. Explore and adopt emerging AI technologies to enhance engineering efficiency. Share AI best practices and drive innovation within the team. ⚙️ CI/CD & DevOps Build and maintain Jenkins CI/CD pipelines. Automate testing, deployment, and release processes. Improve development workflows and delivery speed. ✅ Quality & Testing Create and maintain unit and integration tests using JUnit and Mockito. Participate in code reviews and quality assurance initiatives. Debug and solve complex technical challenges. 🤝 Collaboration Work closely with Product Managers, QA Engineers, Designers, and fellow Developers. Participate in Agile/Scrum ceremonies. Contribute to technical documentation and knowledge sharing. 🎯 Must-Have Skills Backend ✔️ 5+ years of commercial Java development experience ✔️ Strong expertise in: Java Spring Boot Spring Security Hibernate/JPA ✔️ Experience building RESTful APIs ✔️ Experience with microservices and distributed systems Frontend ✔️ Solid knowledge of: HTML5 CSS3 JavaScript ✔️ Hands-on experience with: React Angular Vue.js DevOps & Infrastructure ✔️ Jenkins CI/CD ✔️ Docker & Kubernetes ✔️ MySQL, PostgreSQL, or Oracle Engineering Practices ✔️ Software architecture and design patterns ✔️ Agile/Scrum methodologies ✔️ Understanding of cryptography, encryption, digital signatures, and key management ⭐ Nice to Have Experience with AWS, Azure, or GCP Android or iOS development experience Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years in fintech, payments, or financial services will be great (nice to have) Knowledge of ISO 8583, EMV, and PCI DSS Experience with HSMs and key management systems Familiarity with tokenization and real-time payment systems Understanding of financial compliance and regulations 🎁 What You'll Get ✨ Opportunity to work on innovative fintech products ✨ Exposure to cutting-edge AI-powered development practices ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative and supportive engineering culture ✨ Influence on architecture and technical decisions ✨ Continuous learning and professional growth opportunities 🚀 Ready to build the future of fintech with AI-enhanced engineering? Apply now and join a team where modern technology, innovation, and engineering excellence come together.

🏢 Summary: Senior Fullstack Developer role in an international product development team focused on building and maintaining secure, scalable fullstack applications using Java and modern frontend technologies. The position involves hands-on backend and frontend development, microservices architecture, SPA development, and collaboration within Agile teams in an English-speaking environment. Hybrid work model in Warsaw with long-term B2B engagement. 🗂️ Requirements: 10+ years of software development experience, Strong fullstack development experience, Expert knowledge of Java, Experience with Spring, Experience building microservices, Experience with Single Page Applications, Knowledge of frontend technologies, Experience designing secure and scalable applications, Understanding of testing and code quality practices, Experience working in Agile environments, Strong analytical and problem-solving skills, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Java, Spring, SpringBoot, Microservices, SPA, Agile, CI/CD, DevOps, Docker, Kubernetes, Cloud 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced Senior Fullstack Developer to join an international team responsible for developing and maintaining modern, secure, and scalable applications supporting critical business processes. You will work in a hands-on development role across both backend and frontend technologies, contributing to high-quality software delivery while collaborating with international stakeholders in an English-speaking environment. Project information: Type of project: Product Development Office location: Warsaw, Poland Work mode: Hybrid (3 days from the office, 2 days remotely) Budget: 100- 130 PLN net/ h- B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design, develop, and maintain modern fullstack applications Build secure, scalable, maintainable, and testable software aligned with business requirements Develop and evolve Java-based microservices using Spring Boot Design and implement modern Single Page Applications (SPA) following frontend best practices Collaborate closely with business and technical stakeholders to translate requirements into high-quality technical solutions Ensure application reliability, performance, and service continuity Follow software engineering best practices, including code quality, testing, and security standards Participate in code reviews and contribute to continuous improvement initiatives Work within Agile development teams in an international English-speaking environment Support the evolution of existing applications while contributing to the development of new features and services Competence demands: 10+ years of professional experience in software development Strong experience as a full-stack developer with expertise in backend and frontend development Excellent knowledge of Java and Spring Boot Proven experience developing microservices-based applications Strong experience with modern frontend technologies and Single Page Applications (SPA) Experience designing secure, scalable, and high-performance applications Solid understanding of software engineering best practices, including testing, code quality, and clean architecture Experience working in Agile development environments Strong analytical and problem-solving skills Excellent communication skills and ability to collaborate with business and technical stakeholders Very good English skills Nice to have: Experience with cloud platforms Knowledge of CI/CD pipelines and DevOps practices Experience with containerization technologies such as Docker and Kubernetes Experience working in international enterprise environments We offer: Hybrid working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life inssurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Senior Fullstack Developer role focused on designing and building secure, scalable microservices and modern SPA applications in an international environment. The position is hands-on, backend-oriented with active frontend development, emphasizing high code quality, event-driven architecture, and strong security standards. The role includes architecture contribution, CI/CD implementation, and maintaining large-scale systems. 🗂️ Requirements: Strong fullstack development experience (backend and frontend), Senior-level hands-on coding experience, Expertise in Java 17–21, Experience with Spring Boot 3.x microservices, Experience with Kafka and event-driven architecture, Strong SQL knowledge (Oracle), Experience with Redis, Experience with Angular SPA development, Strong TypeScript knowledge, Knowledge of Node.js, Understanding of DDD, Knowledge of web security principles, Experience with OIDC and OAuth2, Experience with CI/CD pipelines, Experience with large-scale applications, Fluent English, Availability to work from Warsaw office 2x/week 📃 Skills: Java, SpringBoot, Kafka, SQL, Oracle, Redis, DDD, Node.js, TypeScript, Angular, Webpack, OIDC, OAuth2, OWASP, Git, GitLab, Jenkins, Maven, Docker, Kubernetes, IntelliJ, VSCode, Jira, Confluence, Python, CICD 🏢 Description: Mission & Responsibilities As a Senior Fullstack Developer, you will design, build, and maintain modern, secure, and scalable applications that support critical business processes. You will work hands-on across both backend and frontend, contributing directly to software development rather than people management. Your mission is to ensure service continuity, high code quality, and alignment with business and security standards, while actively collaborating with international stakeholders in an English-speaking environment. Key Responsibilities Design, develop, and maintain fullstack applications (backend-focused with modern frontend) Build secure, scalable, maintainable, and testable software Develop Java-based microservices using Spring Boot Contribute to Single Page Applications (SPA) development Collaborate with business and technical stakeholders on requirements Participate in architecture design and technical decisions Integrate systems using event-driven architectures (Kafka) Optimize and maintain existing codebases Implement automated testing and CI/CD pipelines Ensure application security (authentication, identity management) Maintain technical documentation Share best practices within developer communities Continuously improve skills and stay up to date with modern technologies Requirements Backend & Architecture Java 17–21 (modern Java, no legacy) Spring Boot 3.x (microservices) Kafka (event-driven systems) SQL (Oracle) Redis (experience or strong understanding) Domain Driven Design (DDD) Frontend Node.js TypeScript Angular (SPA development) Strong knowledge of Angular best practices Webpack (nice to have) Security Strong web security knowledge OIDC & OAuth2 Identity management platforms (nice to have) OWASP awareness (certifications are a plus) DevOps & Tools Git CI/CD: GitLab CI (Jenkins nice to have) Maven (nice to have) Docker & Kubernetes (nice to have) IntelliJ, VS Code Jira & Confluence Additional Python (nice to have) AI-based coding tools (nice to have) Ways of Working Agile (Scrum, Kanban) DevOps mindset Distributed, international collaboration Soft Skills Strong teamwork and collaboration Analytical and problem-solving mindset Independent work on complex topics Adaptability and results-driven attitude Continuous learning mindset Candidate Profile (Must-have) Strong fullstack experience (backend-only profiles will not be considered) Senior-level hands-on developer (not a manager or lead) Experience with large-scale applications Excellent English communication skills Willingness to work from the office in Warsaw 2x/week If you're a hands-on engineer who enjoys building high-quality systems and working in an international environment — we’d love to hear from you.

🏢 Summary: Contract B2B Fullstack Developer role (hybrid in Wroclaw) focused on building and maintaining enterprise-grade financial platforms using Java/Spring Boot and Angular. The position involves developing microservices, scalable APIs, and responsive UI components while contributing to CI/CD and DevOps practices. The role requires ensuring high performance, security, and reliability within Agile teams. 🗂️ Requirements: Strong experience in Java 17/21+, Strong experience with Spring Boot, Experience with microservices architecture, Solid experience in Angular 14/16+, Experience with TypeScript, HTML, CSS, Experience building REST APIs, Experience with relational databases (Oracle, SQL Server, or PostgreSQL), Experience with Git, Experience with CI/CD tools (Jenkins or GitHub Actions), Understanding of secure application design, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CI/CD, Agile, Scrum 🏢 Description: We are looking for a talented and experienced Fullstack Developer to join our growing team at a global leader in financial services platforms. Work mode: Hybrid, 3 days from office in Wroclaw, Poland Type of contract: Contract: B2B only ( 1 year with extensions) Key Responsibilities: Design, develop, test, and maintain full-stack applications using Java/Spring Boot on the backend and Angular on the frontend. Build scalable APIs, microservices, and UI components for enterprise-grade platforms. Ensure application performance, code quality, security, and reliability through best engineering practices. Participate in code reviews, design discussions, and continuous improvement initiatives. Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes. Contribute to CI/CD pipelines , automated testing, and DevOps practices to improve software delivery. Support integration with databases, messaging systems, and third-party/internal enterprise services. Follow Agile/Scrum practices and actively participate in sprint ceremonies. Required Qualifications: Strong hands-on experience in Java  ( 17/21+) development , with Spring Boot and microservices architecture. Solid experience in Angular ( 14/16+) , TypeScript, HTML, CSS, and responsive UI development. Good understanding of REST APIs, backend integration patterns, and secure application design. Experience with relational databases such as Oracle, SQL Server, or PostgreSQL. Familiarity with source control tools such as Git, and CI/CD tools such as Jenkins, GitHub Actions, or similar. Understanding software development lifecycle, testing frameworks, and Agile methodologies. Strong analytical, problem-solving, and communication skills. Experience with version control systems, preferably Git. Benefits: Collaborative and supportive team culture Opportunity to work with global teams and stakeholders Exposure to innovative and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 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: Senior Fullstack Developer role focused on building and scaling high-availability microservices-based systems in a large-scale digital transformation program. The position involves developing backend services in Java (Spring Boot) and contributing to Angular frontend, with strong emphasis on performance, integration, and DevOps collaboration. The role includes architectural input and ensuring high code quality within CI/CD environments. 🗂️ Requirements: Min. 5 years of experience with Java, Min. 5 years of experience with Spring, Spring Boot, Spring Cloud, Hibernate, Experience with Liquibase, Experience with Angular, Experience with Apache Kafka, Experience with Git and Maven, Experience in writing unit tests, Knowledge of OOP and Functional Programming, Experience with Docker and Kubernetes, Knowledge of RabbitMQ and ElasticSearch, Ability to scale systems and optimize performance, Knowledge of application performance diagnostics tools 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Hibernate, Liquibase, Angular, TypeScript, Kafka, RabbitMQ, Git, Maven, Docker, Kubernetes, ElasticSearch, OOP, FunctionalProgramming, Microservices, CICD, Sonar, IntelliJ, Jira, Bitbucket, Bamboo 🏢 Description: Dla naszego klienta – jednej z największych instytucji finansowo-ubezpieczeniowych w Europie Środkowo-Wschodniej, realizującej zaawansowane projekty cyfrowe i technologiczne na dużą skalę – poszukujemy doświadczonego Senior Fullstack Developera . Firma przechodzi intensywną transformację cyfrową, rozwijając nowoczesne systemy o wysokiej dostępności i wydajności. Stack technologiczny Back-end: Java, Spring, Spring Boot, Hibernate, Liquibase, Kafka Front-end: Angular, TypeScript DevOps & środowisko: Docker, Kubernetes Narzędzia: IntelliJ, Jira, Bitbucket, Bamboo, Sonar, CI/CD Zakres obowiązków Projektowanie i rozwój nowoczesnych aplikacji w architekturze mikroserwisowej Tworzenie oraz rozwój warstwy backendowej w Javie (Spring Boot) Współtworzenie i rozwój frontendu w Angularze Integracja systemów z wykorzystaniem Kafki oraz RabbitMQ Optymalizacja wydajności oraz skalowanie aplikacji Udział w projektowaniu rozwiązań architektonicznych Współpraca z zespołem DevOps w zakresie CI/CD oraz wdrożeń Dbanie o jakość kodu (testy jednostkowe, code review, Sonar) Wymagania (Must Have) Bardzo dobra znajomość Java (min. 5 lat) Bardzo dobra znajomość Spring / Hibernate, Spring Boot, Spring Cloud (min. 5 lat) Dobra znajomość Liquibase Doświadczenie w pracy z Angular Doświadczenie z Apache Kafka Znajomość Git, Maven Doświadczenie w pisaniu testów jednostkowych Znajomość paradygmatów OOP oraz Functional Programming Doświadczenie z Docker, Kubernetes Znajomość RabbitMQ, ElasticSearch Umiejętność skalowania systemów oraz optymalizacji wydajności Znajomość narzędzi do diagnostyki wydajności aplikacji Oferujemy Umowa B2B oraz stabilna, długoterminowa współpraca Prywatna opieka medyczna Luxmed Karta sportowa Multisport Praca hybrydowa (1 x w tygodniu przyjazd do biura w Warszawie) Proces rekrutacyjny: Rozmowa HR - 20 min Spotkanie z klientem - 1 h

🏢 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