Développeur Full stack Java / React / Ansible / Docker / PostgreSQL (h/f)

🏢 Summary: Fullstack Developer role focused on building and maintaining web applications using Java on the backend and React on the frontend. The position involves API design, database integration, and unit testing to deliver robust, high-quality software. Candidates will work across the full stack, contributing to both development and code quality processes. 🗂️ Requirements: 2+ years of Java programming experience, Strong knowledge of SQL, Experience with API definition, Proficiency in Git, Experience with JUnit testing, Proficiency in React, Proficiency in Next.js 📃 Skills: Java, React, Next.js, SQL, API, Git, JUnit 🏢 Description: Introduction & Summary: We are seeking a skilled Fullstack Developer specializing in Java and React. The ideal candidate will have over 2 years of experience in Java programming along with a solid understanding of modern frontend frameworks. The role requires proficiency in SQL and API definition, as well as experience with Git and Junit, making it essential for creating robust applications. Main Responsibilities: The Fullstack Developer will take on a pivotal role in our development team, responsible for both backend and frontend tasks. Develop and maintain web applications using Java and React. Define and implement APIs for seamless integration. Collaborate with cross-functional teams to design and deliver software solutions. Conduct unit testing to ensure high-quality code. Utilize Git for version control and collaboration. Key Requirements: 2+ years of experience in Java programming. Strong knowledge of SQL. Experience with API definition. Proficiency in Git. Experience with Junit testing. Proficient in frontend frameworks - React and Next.js. Nice to Have: Experience with Kafka and Spring Kafka (very nice to have). Some experience in microservices development. Familiarity with MongoDB. Experience with Spring Data JPA.

🏢 Summary: Fullstack Developer role focused on developing and maintaining a large financial system using Java (backend) and React (frontend). The position involves designing architecture, implementing new features, and optimizing complex business processes. You will actively contribute to the system’s evolution and technical best practices. 🗂️ Requirements: Minimum 5 years of experience with Java, Minimum 5 years of experience with React, Experience in fullstack development (backend and frontend), Higher education degree in Computer Science or related field, Ability to design and implement new functionalities in existing systems, Experience working with complex systems 📃 Skills: Java, React, CI/CD, DevOps 🏢 Description: Opis roli Dołączysz do zespołu pracującego nad dużym systemem finansowym. W tej roli będziesz uczestniczyć w projektowaniu, rozwijaniu i utrzymaniu rozwiązań fullstack, a także wprowadzaniu nowych funkcjonalności. Rola daje możliwość pracy nad złożonymi procesami biznesowymi, poznania całego systemu i aktywnego wpływu na jego dalszy rozwój. Obowiązki Tworzenie i rozwój aplikacji w technologii Java (backend 60%) i React (frontend 40%) . Analiza i implementacja nowych funkcjonalności w istniejącym systemie. Udział w projektowaniu architektury i wprowadzaniu najlepszych praktyk programistycznych. Współpraca z zespołem oraz interesariuszami biznesowymi. Identyfikacja obszarów wymagających optymalizacji i proponowanie usprawnień. Wymagania Minimum 5 lat doświadczenia w pracy z Java i React (poziom Mid/Senior). Wykształcenie wyższe – kierunki informatyczne lub pokrewne. Dobra znajomość języka angielskiego – kontakt z zespołem i biznesem. Umiejętność pracy w zespole i komunikacji z osobami spoza działu IT. Chęć pracy nad złożonym systemem i udziału w jego rozwoju. Mile widziane Doświadczenie w projektach finansowych. Znajomość narzędzi CI/CD i praktyk DevOps.

🏢 Summary: Fullstack Developer role focused on designing, developing and maintaining web applications using Java (backend) and Angular (frontend). The position involves end-to-end development, testing, optimization and participation in technical decision-making within an international environment. Fully remote B2B cooperation with exposure to modern Java/Angular projects. 🗂️ Requirements: 4-5+ years commercial experience with Java, 4-5+ years commercial experience with Angular, Higher technical education (Computer Science or related), Experience in developing and maintaining web applications, Experience in code design, optimization and debugging, Knowledge of relational databases (PostgreSQL or MySQL), Experience with version control systems (Git) 📃 Skills: Java, Angular, PostgreSQL, MySQL, SQL, Git, Jenkins, GitHubActions, AWS, Azure, GCP, CICD 🏢 Description: ZAKRES OBOWIĄZKÓW Projektowanie, rozwój i utrzymanie aplikacji webowych w architekturze fullstack (Java backend, Angular frontend) Współpraca z zespołem programistów, product ownerami i QA w celu tworzenia wysokiej jakości rozwiązań Udział w procesie analizy wymagań i proponowanie optymalnych rozwiązań technicznych Tworzenie i utrzymywanie testów jednostkowych oraz integracyjnych Optymalizacja kodu pod kątem wydajności, skalowalności i bezpieczeństwa Wsparcie w debugowaniu i rozwiązywaniu problemów produkcyjnych Dokumentowanie rozwiązań technicznych oraz udział w przeglądach kodu (code review) CZEGO OCZEKUJEMY Minimum 4-5 lat doświadczenia komercyjnego w pracy z Java i Angular Wykształcenie wyższe techniczne (informatyka lub kierunki pokrewne) Doświadczenia w tworzeniu i utrzymaniu aplikacji webowych Umiejętności projektowania, optymalizacji i debugowania kodu Znajomości relacyjnych baz danych (PostgreSQL, MySQL lub podobne) Znajomości narzędzi kontroli wersji (np. Git) Umiejętności pracy zespołowej i komunikatywności w języku angielskim Samodzielności i odpowiedzialności za realizowane zadania Gotowości do pracy częściowo w godzinach wschodniego wybrzeża (EST) Bardzo dobrej znajomości języka angielskiego - będzie to język Twojej codziennej pracy MILE WIDZIANE Doświadczenie w CI/CD (Jenkins, GitHub Actions itp.) Znajomość chmur publicznych (AWS, Azure, GCP) Doświadczenie w pisaniu testów jednostkowych i integracyjnych CO OFERUJEMY Pracę w pełni zdalną Możliwość pracy nad nowoczesnymi projektami w technologii Java / Angular Współpracę w dynamicznym, profesjonalnym zespole z doświadczeniem w międzynarodowych projektach Rozwój zawodowy poprzez udział w ciekawych projektach i dostęp do szkoleń technicznych Przyjazną atmosferę pracy, wsparcie zespołu i mentoring Udział w decyzjach technicznych i możliwość wdrażania własnych pomysłów Zatrudnienie ma umowę B2B

🏢 Summary: Full Stack Developer role focused on building, testing, and maintaining scalable and secure web applications across frontend and backend technologies. The position involves developing modern user interfaces, designing APIs, integrating third-party services, and ensuring high performance through testing and CI/CD practices. The role also contributes to architectural decisions and technical strategy. 🗂️ Requirements: Experience with React.js and Vue.js, Proficiency in HTML5, CSS3, JavaScript, TypeScript, Experience with .NET Core or Ruby backend development, Experience building RESTful and GraphQL APIs, Experience with PostgreSQL, MongoDB, or MySQL, Knowledge of Docker and CI/CD pipelines, Proficiency with Git version control, Experience with cloud platforms (AWS, Azure, or GCP), Experience with unit and integration testing frameworks 📃 Skills: React, Vue, HTML5, CSS3, JavaScript, TypeScript, .NET, Ruby, EntityFramework, GraphQL, REST, PostgreSQL, MongoDB, MySQL, Docker, Git, AWS, Azure, GCP, Jest, Mocha, JUnit, CICD 🏢 Description: Description The Full Stack Developer Role will need to be proficient in boththe relevant frontend and backend technologies to develop, test, and maintain scalable web applications, and will work across the entire tech stack, collaborating with cross-functionalteams to deliver robust, secure and performant digital solutions Responsibilities • Design, develop, test and maintain robust, scalable and secure web applications using the full tech stack • Develop user-friendly frontend interfaces for all users using modern JS frameworks • Build and maintain Restful and GraphQL APIs • Integrate third-party services, such as LMS, video conferencing, gamification APIs • Ensure code quality through code reviews, unit testing, and automated CI/CD pipelines • Optimize application performance, security, and scalability • Participate in architectural decisions and contribute to technical strategy • Ensure high performance, accessibility, and responsiveness across devices • Implement automated testing and CI/CD pipelines for efficient delivery Requirements • Frontend : React.js 18, Entity Framework Vue.js, HTML5, CSS3, JavaScript, TypeScript • Backend: MS .NET 8 Core / Ruby • Database : PostgreSQL, MongoDB, MySQL, or similar • DevOps : Docker, CI/CD, Git, cloud platforms (AWS, Azure, GCP) • Testing : Unit and integration testing frameworks (e.g., Jest, Mocha, JUnit Nice to have • Experience with WebRTC, LTI standards, SCORM/xAPI, or real-time systems (e.g., live quizzes, video  classrooms) • Knowledge of learning science, instructional design, or accessibility standards (e.g., WCAG) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Prior experience in the EdTech domain (e-learning platforms, digital classrooms, LMS) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Experience with Rabbit MQ middleware • Experience with Tailwind

🏢 Summary: Full Stack Developer role focused on building, testing, and maintaining scalable and secure web applications across frontend and backend. The position involves developing modern user interfaces, implementing APIs, integrating third-party services, and ensuring high performance through automated testing and CI/CD. The role also contributes to architectural decisions and technical strategy. 🗂️ Requirements: Proficiency in React.js and Vue.js, Strong knowledge of HTML5, CSS3, JavaScript, TypeScript, Experience with .NET Core or Ruby backend development, Experience building RESTful and GraphQL APIs, Experience with PostgreSQL, MongoDB, or MySQL, Experience with Docker and CI/CD pipelines, Proficiency with Git version control, Experience with AWS, Azure, or GCP, Experience with unit and integration testing frameworks 📃 Skills: React, Vue, HTML5, CSS3, JavaScript, TypeScript, .NET, Ruby, EntityFramework, REST, GraphQL, PostgreSQL, MongoDB, MySQL, Docker, CICD, Git, AWS, Azure, GCP, Jest, Mocha, JUnit 🏢 Description: Description The Full Stack Developer Role will need to be proficient in boththe relevant frontend and backend technologies to develop, test, and maintain scalable web applications, and will work across the entire tech stack, collaborating with cross-functionalteams to deliver robust, secure and performant digital solutions Responsibilities • Design, develop, test and maintain robust, scalable and secure web applications using the full tech stack • Develop user-friendly frontend interfaces for all users using modern JS frameworks • Build and maintain Restful and GraphQL APIs • Integrate third-party services, such as LMS, video conferencing, gamification APIs • Ensure code quality through code reviews, unit testing, and automated CI/CD pipelines • Optimize application performance, security, and scalability • Participate in architectural decisions and contribute to technical strategy • Ensure high performance, accessibility, and responsiveness across devices • Implement automated testing and CI/CD pipelines for efficient delivery Requirements • Frontend : React.js 18, Entity Framework Vue.js, HTML5, CSS3, JavaScript, TypeScript • Backend: MS .NET 8 Core / Ruby • Database : PostgreSQL, MongoDB, MySQL, or similar • DevOps : Docker, CI/CD, Git, cloud platforms (AWS, Azure, GCP) • Testing : Unit and integration testing frameworks (e.g., Jest, Mocha, JUnit Nice to have • Experience with WebRTC, LTI standards, SCORM/xAPI, or real-time systems (e.g., live quizzes, video  classrooms) • Knowledge of learning science, instructional design, or accessibility standards (e.g., WCAG) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Prior experience in the EdTech domain (e-learning platforms, digital classrooms, LMS) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Experience with Rabbit MQ middleware • Experience with Tailwind

🏢 Summary: Full Stack Developer role focused on building, testing, and maintaining scalable and secure web applications across the entire tech stack. The position involves developing modern frontend interfaces, robust backend services, and APIs, while ensuring high performance, quality, and automated delivery through CI/CD pipelines. The role also includes integration with third-party services and contribution to architectural and technical decisions. 🗂️ Requirements: Proficiency in React.js 18, Vue.js, HTML5, CSS3, JavaScript, TypeScript, Experience with MS .NET 8 Core or Ruby, Experience building RESTful and GraphQL APIs, Experience with PostgreSQL, MongoDB, MySQL or similar databases, Experience with Docker, CI/CD pipelines, Git, and cloud platforms (AWS, Azure, or GCP), Experience with unit and integration testing frameworks 📃 Skills: React, Vue, HTML5, CSS3, JavaScript, TypeScript, .NET, Ruby, PostgreSQL, MongoDB, MySQL, Docker, CI/CD, Git, AWS, Azure, GCP, Jest, Mocha, JUnit, GraphQL, REST 🏢 Description: Description The Full Stack Developer Role will need to be proficient in boththe relevant frontend and backend technologies to develop, test, and maintain scalable web applications, and will work across the entire tech stack, collaborating with cross-functionalteams to deliver robust, secure and performant digital solutions Responsibilities • Design, develop, test and maintain robust, scalable and secure web applications using the full tech stack • Develop user-friendly frontend interfaces for all users using modern JS frameworks • Build and maintain Restful and GraphQL APIs • Integrate third-party services, such as LMS, video conferencing, gamification APIs • Ensure code quality through code reviews, unit testing, and automated CI/CD pipelines • Optimize application performance, security, and scalability • Participate in architectural decisions and contribute to technical strategy • Ensure high performance, accessibility, and responsiveness across devices • Implement automated testing and CI/CD pipelines for efficient delivery Requirements • Frontend : React.js 18, Entity Framework Vue.js, HTML5, CSS3, JavaScript, TypeScript • Backend: MS .NET 8 Core / Ruby • Database : PostgreSQL, MongoDB, MySQL, or similar • DevOps : Docker, CI/CD, Git, cloud platforms (AWS, Azure, GCP) • Testing : Unit and integration testing frameworks (e.g., Jest, Mocha, JUnit Nice to have • Experience with WebRTC, LTI standards, SCORM/xAPI, or real-time systems (e.g., live quizzes, video  classrooms) • Knowledge of learning science, instructional design, or accessibility standards (e.g., WCAG) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Prior experience in the EdTech domain (e-learning platforms, digital classrooms, LMS) • Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration • Experience with Rabbit MQ middleware • Experience with Tailwind

🏢 Summary: Fullstack Developer role focused on building and enhancing an onboarding platform for institutional clients with a strong emphasis on Java backend development and React frontend work. The position involves working in a microservices environment, developing new features, maintaining applications, and collaborating closely with stakeholders while following TDD and high code quality standards. 🗂️ Requirements: 5+ years of software development experience, Strong Java knowledge, Experience with React, Experience with JavaScript, Experience with TypeScript, Experience building component-based applications, Knowledge of CSS3, Knowledge of design systems, Knowledge of design tokens, Experience with JSON, Experience with XML, Experience with Jest, Experience with Testing Library, Experience working with TDD, Ability to deliver high-quality code, Experience working with stakeholders, English level B2 or higher 📃 Skills: Java, React, JavaScript, TypeScript, CSS3, JSON, XML, Jest, TestingLibrary, TDD, Git, IntelliJ, VSCode, ReactNative 🏢 Description: Szukamy Fullstack Developera (70% Java / 30% React) , który będzie rozwijał platformę onboardingową dla klientów instytucjonalnych. Rola wymaga połączenia bardzo mocnego backendu (Java) z doświadczeniem frontendowym (React), pracy w środowisku mikroserwisowym oraz dużego nacisku na jakość (TDD), UX oraz współpracę z biznesem i stakeholderami. Lokalizacja: Kraków, praca hybrydowa (2 dni z biura) . Zadania: Rozwój backendu w Javie (główna część pracy), Rozwój UI w React, Projektowanie i tworzenie nowych funkcjonalności, Testowanie i utrzymanie aplikacji, Współpraca ze stakeholderami i zespołem. Wymagania (must have): M inimum 5 lat doświadczenia w tworzeniu oprogramowania , Bardzo dobra znajomość Java (główna część pracy – backend) , Doświadczenie w pracy z React, JavaScript oraz TypeScript , Budowanie i rozwijanie aplikacji komponentowych (React / React Native) , Znajomość CSS3 oraz systemy designu i design tokens , Doświadczenie w pracy z JSON i XML (marshalling danych), Doświadczenie w testach front-endowych (Jest, Testing Library) , Praca zgodnie z zasadami Test Driven Development (TDD) , Dostarczanie rozwiązań wysokiej jakości i dbanie o standardy kodu, Doświadczenie w pracy ze stakeholderami i zrozumienie potrzeb biznesu, Język angielski na poziomie minimum B2 . Wymagania (nice to have): Doświadczenie w projektowaniu produktów cyfrowych w bankowości lub onboardingu , Doświadczenie z narzędziami developerskimi ( Git, IntelliJ, VSCode ), Doświadczenie w mentoringu zespołu i podnoszeniu standardów technicznych.

🏢 Summary: Fullstack Developer role focused primarily on backend development in Java (70%) with frontend work in React (30%) to build and enhance an onboarding platform for institutional clients. The position involves working in a microservices architecture with strong emphasis on TDD, code quality, and modern UI standards. Hybrid work model based in Kraków. 🗂️ Requirements: Minimum 5 years of software development experience, Strong proficiency in Java, Commercial experience with React, Experience with JavaScript and TypeScript, Experience building component-based applications (React), Knowledge of CSS3 and design systems, Experience working with JSON and XML, Experience with frontend testing (Jest, Testing Library), Practical experience with Test Driven Development (TDD), Experience working in microservices architecture 📃 Skills: Java, React, JavaScript, TypeScript, CSS3, JSON, XML, Jest, TestingLibrary, TDD, Microservices, Git, IntelliJ, VSCode, ReactNative 🏢 Description: Szukamy Fullstack Developera (70% Java / 30% React) , który będzie rozwijał platformę onboardingową dla klientów instytucjonalnych. Rola wymaga połączenia bardzo mocnego backendu (Java) z doświadczeniem frontendowym (React), pracy w środowisku mikroserwisowym oraz dużego nacisku na jakość (TDD), UX oraz współpracę z biznesem i stakeholderami. Lokalizacja: Kraków, praca hybrydowa (2 dni z biura) . Zadania: Rozwój backendu w Javie (główna część pracy), Rozwój UI w React, Projektowanie i tworzenie nowych funkcjonalności, Testowanie i utrzymanie aplikacji, Współpraca ze stakeholderami i zespołem. Wymagania (must have): M inimum 5 lat doświadczenia w tworzeniu oprogramowania , Bardzo dobra znajomość Java (główna część pracy – backend) , Doświadczenie w pracy z React, JavaScript oraz TypeScript , Budowanie i rozwijanie aplikacji komponentowych (React / React Native) , Znajomość CSS3 oraz systemy designu i design tokens , Doświadczenie w pracy z JSON i XML (marshalling danych), Doświadczenie w testach front-endowych (Jest, Testing Library) , Praca zgodnie z zasadami Test Driven Development (TDD) , Dostarczanie rozwiązań wysokiej jakości i dbanie o standardy kodu, Doświadczenie w pracy ze stakeholderami i zrozumienie potrzeb biznesu, Język angielski na poziomie minimum B2 . Wymagania (nice to have): Doświadczenie w projektowaniu produktów cyfrowych w bankowości lub onboardingu , Doświadczenie z narzędziami developerskimi ( Git, IntelliJ, VSCode ), Doświadczenie w mentoringu zespołu i podnoszeniu standardów technicznych.

🏢 Summary: Frontend Developer role focused on building and maintaining modern web applications using React.js. The position involves creating responsive, user-centered interfaces, integrating RESTful APIs, and delivering scalable, maintainable frontend solutions. Emphasis is placed on performance, accessibility, and clean code standards. 🗂️ Requirements: 3–4+ years commercial frontend development experience, Strong hands-on experience with React.js, Proficiency in modern JavaScript (ES6+), Solid knowledge of HTML5 and CSS3, Experience with responsive design principles, Experience integrating RESTful APIs, Understanding of UI/UX best practices, Familiarity with state management, Experience with component-based architecture, Experience with Git and collaborative workflows, Ability to write scalable and maintainable code, Strong debugging and problem-solving skills 📃 Skills: React, JavaScript, ES6, HTML5, CSS3, REST, API, Git, UI, UX 🏢 Description: Responsibilities Develop and maintain modern web applications using React.js . Create responsive and intuitive user interfaces with a strong focus on usability and user experience. Connect frontend applications with RESTful APIs and backend systems. Translate business and design requirements into scalable frontend solutions. Write clean, reusable, and maintainable code following frontend development standards. Collaborate closely with designers, product owners, and backend engineers. Optimize application performance, accessibility, and cross-browser compatibility. Requirements 3–4+ years of commercial experience in frontend development. Strong hands-on experience with React.js and modern JavaScript (ES6+). Solid knowledge of HTML5, CSS3, and responsive design principles. Experience integrating APIs and working with backend services. Understanding of UI/UX best practices and user-centered design. Familiarity with state management and component-based architecture. Experience with Git and collaborative development workflows. Ability to write efficient, scalable, and well-structured frontend code. Strong problem-solving and debugging skills.

🏢 Summary: Hybrid Fullstack Developer role focused on building and maintaining scalable web applications using Java and React.js. The position involves designing backend services and RESTful APIs, developing modern frontend interfaces, and contributing to CI/CD and DevOps practices. Work includes testing, performance optimization, and collaboration on architecture and microservices. 🗂️ Requirements: Strong experience with Java and Spring Boot, Solid experience with React.js and state management, Experience designing and consuming RESTful APIs, Experience with microservices architecture, Proficiency in JavaScript, HTML5, CSS3, Experience with relational or NoSQL databases, Knowledge of unit and integration testing practices, Experience with CI/CD pipelines, Familiarity with Git and version control workflows, Ability to work with Agile/Scrum methodologies 📃 Skills: Java, Spring, SpringBoot, React, Redux, JavaScript, HTML5, CSS3, Webpack, Babel, ESLint, JUnit, Mockito, Jest, MySQL, PostgreSQL, NoSQL, Git, CI/CD, Docker, Kubernetes, AWS, Azure, GCP, Kafka, GraphQL, WebSocket 🏢 Description: We are looking for a highly skilled Fullstack Developer with expertise in Java and React.js to join our Kraków-based development team. You will design, develop, and maintain scalable, high-performance web applications, contributing to both backend services and rich frontend interfaces. This role follows a hybrid working model , with 2–3 days per week onsite in Kraków. Key Responsibilities Backend Development: Architect, implement, and maintain backend services using Java , Spring Boot , and related frameworks Frontend Development: Build responsive, modular, and maintainable React.js applications with a focus on component-driven design Design and implement RESTful APIs and microservices , ensuring high performance, security, and scalability Collaborate with cross-functional teams to define technical requirements , system architecture, and feature implementation Apply unit testing, integration testing, and end-to-end testing best practices (JUnit, Mockito, Jest, React Testing Library) Participate in code reviews , enforce coding standards, and promote best practices in clean code, SOLID principles, and design patterns Troubleshoot and optimize application performance and resolve production issues Manage CI/CD pipelines , automate deployments, and support DevOps practices Stay up-to-date with emerging technologies and frameworks to continuously improve application architecture Required Skills and Experience Strong experience with Java , Spring Boot , and related backend frameworks Solid experience with React.js , Redux , or state management libraries Proven experience in designing and consuming RESTful APIs and microservices architecture Proficient in JavaScript, HTML5, CSS3, and modern frontend tooling (Webpack, Babel, ESLint) Experience with relational databases (MySQL, PostgreSQL) and/or NoSQL databases Familiarity with Git , version control workflows, and Agile/Scrum methodologies Understanding of unit testing, integration testing, and test-driven development (TDD) Good problem-solving and communication skills in English Nice to Have Experience with TypeScript and advanced React patterns (Hooks, Context API, Suspense) Knowledge of Docker , Kubernetes , or cloud platforms (AWS, Azure, GCP) Experience with event-driven architectures , message queues , or Kafka Familiarity with GraphQL or WebSocket-based real-time applications