FullStack Developer – Backend Focused with React Skills

🏢 Summary: FullStack Developer role focused on building and enhancing a digital onboarding platform for Global Banking and Markets. The position involves developing scalable Java backend services and React-based user interfaces within a microservices architecture. The project emphasizes automation, security, performance, and DevOps-driven delivery in a hybrid work model. 🗂️ Requirements: Strong knowledge of Java 8+ / 18+, Proficiency in React JS, Experience with microservices architecture, Ability to write and maintain REST APIs, Experience with CI/CD tools, Experience debugging and extending existing code, Knowledge of database schema design, Understanding of DevOps practices and production support, Focus on application and service security 📃 Skills: Java, React, REST, Microservices, CI/CD, PostgreSQL, DevOps, SQL 🏢 Description: Location : Cracow Mode : hybrid (6x per month) Contract : B2B Rate : 170-190 PLN/h We are seeking a FullStack Developer to join our team working on our client’s onboarding solution. This role focuses on building the next generation of digital platforms for Global Banking and Markets, enhancing the onboarding experience for Corporates and Institutions. The ideal candidate will utilize their expertise to simplify the onboarding process, improving client experience and retention. This project embraces the latest technologies and encourages innovative thinking for automating tasks, learning new solutions, and maintaining a customer-first approach. Main Responsibilities: Develop and maintain high-quality, scalable Java applications. Implement and optimize React components for user-friendly interfaces. Debug existing code and extend functionality as needed. Write REST APIs and understand micro service architectures. Create and execute tests to validate functionalities and endpoints. Utilize CI-CD tools for seamless deployment and operations. Prioritize security in all service implementations. Contribute to performance and stability improvements of the platform. Engage in production support on a rotational basis within a DevOps POD. Collaborate in a fast-paced, innovative environment. Key Requirements: Strong knowledge of Java 8+ / 18+ Proficient in React JS Experience debugging and extending existing code Understanding of micro service architecture Capability to write REST APIs Experience with CI-CD tools Focus on security for functionalities and services Self-motivated with rapid learning capability Experience in a collaborative, fast-paced environment Problem-solving and analytical skills Good knowledge of database schema design, PostgreSQL is a plus Aware of DevOps practices and production support

🏢 Summary: FullStack Developer role focused on building and enhancing a digital onboarding platform for Global Banking and Markets. The position involves developing scalable Java and React solutions within a microservices architecture, improving performance, security, and client experience. Work includes CI/CD-driven delivery and DevOps-based production support in a hybrid model. 🗂️ Requirements: Strong knowledge of Java 8+ / 18+, Proficiency in React JS, Experience with microservices architecture, Ability to design and implement REST APIs, Experience with CI/CD tools, Experience debugging and extending existing code, Knowledge of database schema design, Understanding of DevOps practices, Experience with production support, Focus on application security 📃 Skills: Java, React, REST, Microservices, CI/CD, PostgreSQL, DevOps, SQL, Git 🏢 Description: Location : Cracow Mode : hybrid (6x per month) Contract : B2B Rate : 170-185PLN/h We are seeking a FullStack Developer to join our team working on our client’s onboarding solution. This role focuses on building the next generation of digital platforms for Global Banking and Markets, enhancing the onboarding experience for Corporates and Institutions. The ideal candidate will utilize their expertise to simplify the onboarding process, improving client experience and retention. This project embraces the latest technologies and encourages innovative thinking for automating tasks, learning new solutions, and maintaining a customer-first approach. Main Responsibilities: Develop and maintain high-quality, scalable Java applications. Implement and optimize React components for user-friendly interfaces. Debug existing code and extend functionality as needed. Write REST APIs and understand micro service architectures. Create and execute tests to validate functionalities and endpoints. Utilize CI-CD tools for seamless deployment and operations. Prioritize security in all service implementations. Contribute to performance and stability improvements of the platform. Engage in production support on a rotational basis within a DevOps POD. Collaborate in a fast-paced, innovative environment. Key Requirements: Strong knowledge of Java 8+ / 18+ Proficient in React JS Experience debugging and extending existing code Understanding of micro service architecture Capability to write REST APIs Experience with CI-CD tools Focus on security for functionalities and services Self-motivated with rapid learning capability Experience in a collaborative, fast-paced environment Problem-solving and analytical skills Good knowledge of database schema design, PostgreSQL is a plus Aware of DevOps practices and production support Nice to Have: Prior experience with PostgreSQL

🏢 Summary: B2B FullStack Developer role (Java + React) focused on building and enhancing a digital onboarding platform for Global Banking and Markets. The position involves developing scalable applications, modernizing user interfaces, and improving performance, security, and stability within a microservices architecture. Work is hybrid in Cracow with strong emphasis on CI/CD, DevOps practices, and production support. 🗂️ Requirements: Strong knowledge of Java 8+, Proficiency in React, Experience with microservices architecture, Ability to design and implement REST APIs, Experience with CI/CD tools, Experience debugging and extending existing codebases, Knowledge of database schema design, Understanding of DevOps practices, Ability to provide production support 📃 Skills: Java, React, REST, Microservices, CI/CD, PostgreSQL, SQL, DevOps, Git 🏢 Description: Location : Cracow Mode : hybrid (6x per month) Contract : B2B Rate : 170-185PLN/h We are seeking a FullStack Developer to join our team working on our client’s onboarding solution. This role focuses on building the next generation of digital platforms for Global Banking and Markets, enhancing the onboarding experience for Corporates and Institutions. The ideal candidate will utilize their expertise to simplify the onboarding process, improving client experience and retention. This project embraces the latest technologies and encourages innovative thinking for automating tasks, learning new solutions, and maintaining a customer-first approach. Main Responsibilities: Develop and maintain high-quality, scalable Java applications. Implement and optimize React components for user-friendly interfaces. Debug existing code and extend functionality as needed. Write REST APIs and understand micro service architectures. Create and execute tests to validate functionalities and endpoints. Utilize CI-CD tools for seamless deployment and operations. Prioritize security in all service implementations. Contribute to performance and stability improvements of the platform. Engage in production support on a rotational basis within a DevOps POD. Collaborate in a fast-paced, innovative environment. Key Requirements: Strong knowledge of Java 8+ / 18+ Proficient in React JS Experience debugging and extending existing code Understanding of micro service architecture Capability to write REST APIs Experience with CI-CD tools Focus on security for functionalities and services Self-motivated with rapid learning capability Experience in a collaborative, fast-paced environment Problem-solving and analytical skills Good knowledge of database schema design, PostgreSQL is a plus Aware of DevOps practices and production support Nice to Have: Prior experience with PostgreSQL

🏢 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

🏢 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: 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: Hybrid Java Full Stack Developer role focused on modernizing enterprise systems and building scalable, cloud-native microservices and web applications using Java and React. The position involves migrating legacy platforms to API-driven architectures, enhancing automation, and improving system efficiency and scalability. Work includes backend and frontend development within containerized and Kubernetes-based environments. 🗂️ Requirements: Strong experience with Java 11+, Hands-on experience with Kubernetes, Experience with containerized environments, Proficiency with Git, Strong Unix/Linux command line skills, Experience with SQL databases, Knowledge of RESTful APIs, Understanding of microservices architecture, Familiarity with HTTP, Familiarity with JavaScript 📃 Skills: Java, React, Kubernetes, Git, Unix, Linux, SQL, Oracle, REST, HTTP, JavaScript, Spring, SpringBoot, Microservices, Docker 🏢 Description: We are looking for a skilled Java Full Stack Developer to join our team in Kraków. This is a hybrid role requiring 2 days per week onsite , offering the opportunity to work on modernizing enterprise systems and building scalable, cloud-native solutions. Key Responsibilities Design, build, and support scalable services, microservices, and applications (both backend and frontend) using Java (11/17/21) and modern web technologies such as React Contribute to the modernization of legacy systems, including migration from mainframe and IBM WebSphere to API-driven and microservices-based architectures Help reduce operational costs and system complexity through modern engineering practices Improve testing efficiency by implementing and expanding automated testing frameworks Enhance Straight-Through Processing (STP) capabilities across services and platforms Required Skills & Experience Strong experience with Java (11 or higher) ; experience with Java 17+ is highly preferred Hands-on experience with Kubernetes and containerized environments Proficiency with Git for version control Strong command of Unix/Linux systems and CLI tools Solid experience with databases and SQL (Oracle preferred) Good understanding of RESTful APIs and microservices architecture Familiarity with HTTP/web technologies and JavaScript Nice to Have Experience with Reactjs for frontend development Background working in a DevOps-oriented delivery team Knowledge of application monitoring and observability tools Experience with Spring / Spring Boot

🏢 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: Full-stack Developer role in the banking industry focused on developing and maintaining microservices and integrating applications with a Cards platform. The position involves building scalable full-stack solutions using Java, Angular, REST APIs, Kafka, and cloud-native technologies in a hybrid work model. Candidates should have strong backend and frontend experience, knowledge of microservices architecture, and familiarity with DevOps and Agile practices. 🗂️ Requirements: Minimum 2 years of front-end experience, At least 5 years of Java development experience, Experience with microservices architecture, Knowledge of event sourcing architecture patterns, Hands-on experience with Angular, Hands-on experience with Spring Framework, Hands-on experience with Docker, Hands-on experience with Kubernetes, Hands-on experience with REST APIs, Hands-on experience with Kafka, Hands-on experience with MQ, Hands-on experience with SQL, Familiarity with Jenkins, Familiarity with ArgoCD, Understanding of XML, Understanding of JSON, Understanding of Avro, Experience with Git, English proficiency at B2 level, Experience working in Agile/Scrum environments 📃 Skills: Java, Angular, Spring, Docker, Kubernetes, REST, Kafka, MQ, SQL, Jenkins, ArgoCD, XML, JSON, Avro, Git 🏢 Description: Industry: banking Location: Hybrid - 3 days per week form office in Gdańsk, Gdynia, Warsaw or Łódź Rate: up to 165 pln/h on b2b Overview We are seeking a Full-stack Developer who will be instrumental in the development and maintenance of microservices. The role requires a combination of technical skills and collaboration with various stakeholders to achieve optimal solutions. Main Responsibilities Design and develop a full-stack application. Integrate existing applications with the Cards target platform. Implement translation/routing mechanisms from old to new systems. Develop microservices using Angular, REST APIs, and integrate with KAFKA/MQ/Oracle DB. Ensure application quality and responsiveness. Collaborate with internal and external stakeholders. Key Requirements Minimum 2 years of front-end experience. At least 5 years of Java Software Development experience. Practical knowledge of event sourcing architecture patterns and microservices architecture. Hands-on experience with Angular, Spring Framework, Docker, Kubernetes, REST, Kafka, MQ, SQL. Familiarity with DevOps tools such as Jenkins and Argo CD. Understanding of data standards, including XML, JSON, Avro. Experience with Kafka streaming platform. Version control tools like GIT. Proficiency in English (minimum B2 level). Experience with Agile/Scrum methodologies. Nice to Have Building distributed, highly scalable and high throughput applications.