Java Fullstack Developer

🏢 Summary: Senior FullStack Developer role focused on developing and modernizing a large-scale corporate banking platform. The position involves building and maintaining backend services and Angular frontend components, delivering new features, fixing defects, and supporting production systems within a microservices and monolithic architecture. The role includes active participation in system modernization and REST API development in an Agile environment. 🗂️ Requirements: 5+ years commercial experience with Java 7/8, Experience with Spring Framework and Spring Boot, Experience with Maven, Experience with SQL, Experience with Git, Experience with JSP, Experience with JavaScript, Experience designing and developing REST APIs, Experience in backend service design and implementation, Strong knowledge of unit testing practices, 2+ years experience with Angular, Experience with Jasmine, Experience working with legacy code, Experience working in Agile environment 📃 Skills: Java, Spring, SpringBoot, Maven, SQL, Git, JSP, JavaScript, Angular, Jasmine, REST, Microservices, Agile 🏢 Description: About the Project We are looking for an experienced Senior FullStack Developer to join an international team working on a large-scale corporate banking platform. The application enables corporate clients to manage accounts, execute payments and transfers, handle files and confirmations, and perform a variety of banking operations through a secure online portal. As part of the development team, you will be responsible for maintaining and enhancing a business-critical application, including the delivery of new features, bug fixes, production incident resolution, and implementation of regulatory and business-driven changes. The system consists of both microservices and monolithic components. The team is currently on a modernization journey, gradually transforming the existing platform into a more modern architecture. The working language is English, and the team follows SAFe Agile principles. Responsibilities Design and implement backend services based on business and technical requirements. Develop and maintain REST APIs. Contribute to frontend development using Angular. Write and maintain unit tests. Analyze, maintain, and enhance existing code, including legacy components. Collaborate with cross-functional and international teams. Participate in system modernization and architectural improvements. Support production systems and troubleshoot issues when required. Requirements Must Have 5+ years of commercial experience with: Java 7/8 Spring Framework Spring Boot Maven SQL Git JSP JavaScript Experience in designing and developing REST APIs. Experience in backend service design and implementation based on specifications. Strong understanding of unit testing practices. 2+ years of experience with: Angular Jasmine Experience working in an Agile environment. Willingness to analyze and work with legacy code. Strong communication and collaboration skills. Fluent English (spoken and written). Nice to Have Knowledge of SOLID principles. Familiarity with software design patterns. What We Offer Opportunity to work on a large-scale enterprise platform within the financial sector. Participation in system modernization and transformation initiatives. International and collaborative work environment. Long-term cooperation in a stable project. Exposure to both modern and legacy technologies. Real impact on technical solutions and product development.

🏢 Summary: Senior Fullstack Developer role focused on building a greenfield solution using Java 17+ and Spring Boot on the backend and React on the frontend. The position involves end-to-end development, architecture co-creation, REST API design, and ensuring code quality within an Agile environment. The role requires close collaboration with business stakeholders and active participation in technical decision-making. 🗂️ Requirements: Minimum 8 years of experience in Java 17+, Minimum 5 years of experience with React, Minimum 5 years of experience with Spring Boot, Minimum 5 years of experience with JPA, Experience in building full-stack applications, Practical experience in REST API design, Experience with relational databases, Experience working in Agile methodology, Ability to analyze business requirements technically, Very good English skills 📃 Skills: Java, Spring, SpringBoot, React, JPA, REST, SQL, Agile, Selenium, Liquibase, Maven, Cucumber 🏢 Description: Responsibilities: Design and development of applications in fullstack architecture (backend + frontend) Creation and development of the backend layer based on Java 17+ and Spring Boot Building and developing the user interface in React with an emphasis on UX and readability Modeling and implementation of the data access layer (JPA) Cooperation with the business team in analyzing and clarifying requirements Breaking down requirements into user stories and estimating work Designing and implementing end-to-end tests Ensuring code quality (code review, best practices, clean code) Co-creating the architecture of a greenfield project solution Collaborating in an Agile environment (refinements, sprint planning, daily, retrospectives) Participating in technological decision-making Requirements: Minimum 8 years of experience in Java programming (version 17+) Minimum 5 years of experience with: React, Spring Boot and JPA Experience in building full-stack applications (backend + frontend) Practical knowledge of REST API design Experience in working with relational databases Ability to work with business requirements and their technical analysis Experience in working with Agile methodology Very good knowledge of English (working in an international environment) Independence, proactivity, and ability to make technical decisions Nice to have: Experience with: Selenium, Liquibase for database versioning, Maven and Cucumber for testing Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Fullstack Developer role focused on designing and building a greenfield application using Java 17+ and Spring Boot on the backend and React on the frontend. The position involves end-to-end development, architectural decisions, REST API design, and ensuring code quality within an Agile environment. The role also includes close collaboration with business stakeholders and participation in technical decision-making. 🗂️ Requirements: Minimum 8 years of experience with Java 17+, Minimum 5 years of experience with React, Minimum 5 years of experience with Spring Boot, Minimum 5 years of experience with JPA, Experience building fullstack applications, Practical experience designing REST APIs, Experience with relational databases, Experience working in Agile methodology, Ability to analyze business requirements technically, Very good English proficiency 📃 Skills: Java, Spring, SpringBoot, React, JPA, REST, SQL, Agile, Selenium, Liquibase, Maven, Cucumber 🏢 Description: Responsibilities: Design and development of applications in fullstack architecture (backend + frontend) Creation and development of the backend layer based on Java 17+ and Spring Boot Building and developing the user interface in React with an emphasis on UX and readability Modeling and implementation of the data access layer (JPA) Cooperation with the business team in analyzing and clarifying requirements Breaking down requirements into user stories and estimating work Designing and implementing end-to-end tests Ensuring code quality (code review, best practices, clean code) Co-creating the architecture of a greenfield project solution Collaborating in an Agile environment (refinements, sprint planning, daily, retrospectives) Participating in technological decision-making Requirements: Minimum 8 years of experience in Java programming (version 17+) Minimum 5 years of experience with: React, Spring Boot and JPA Experience in building full-stack applications (backend + frontend) Practical knowledge of REST API design Experience in working with relational databases Ability to work with business requirements and their technical analysis Experience in working with Agile methodology Very good knowledge of English (working in an international environment) Independence, proactivity, and ability to make technical decisions Nice to have: Experience with: Selenium, Liquibase for database versioning, Maven and Cucumber for testing Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Java Backend Developer role focused on building and maintaining microservices for credit risk and scoring platforms. The position involves developing compliant calculation engines, integrating with external credit systems, and participating in the full software development lifecycle within a Scrum team. The role emphasizes high engineering standards and collaboration in a regulated financial environment. 🗂️ Requirements: Minimum 1 year experience in Java backend development, Experience with microservices-based architectures, Strong hands-on experience with Java 21+, Experience with Spring and Spring Boot, Experience with Hibernate, Experience designing and developing REST APIs, Experience designing and developing SOAP APIs, Knowledge of unit, component, and integration testing, Experience with JUnit and Mockito, Experience with Git, Experience with Maven, Experience with CI/CD environments, Knowledge of object-oriented programming, Understanding of design patterns, Understanding of SOLID principles, Fluent English communication skills 📃 Skills: Java, Spring, SpringBoot, Hibernate, JSON, XML, REST, SOAP, JUnit, Mockito, Git, Maven, Jenkins, Bitbucket, CI/CD, OOP, SOLID, SQL, Kafka, Kubernetes 🏢 Description: Responsibilities: Design, develop, and maintain Java-based microservices supporting credit risk and scoring platforms Build robust calculation engines ensuring compliance with credit scoring and recommendation regulations across multiple countries Implement and support complex business processes, including integrations with credit authorities and external systems Participate in the full software development lifecycle: requirements analysis, architecture design, development, testing, deployment, and maintenance Collaborate with business analysts and cross-functional teams to translate business needs into technical solutions Work within a Scrum team, contributing to continuous improvement and high engineering standards Requirements: Minimum 1 year of professional experience in Java backend development, preferably within microservices-based architectures Strong hands-on experience with Java 21+ and related frameworks (Spring, Spring Boot, Hibernate, JSON, XML) Proven experience designing and developing REST/SOAP APIs Solid understanding of unit, component, and integration testing (JUnit, Mockito) Familiarity with Git, Maven, and CI/CD environments (Jenkins, Bitbucket) Strong knowledge of object-oriented programming, design patterns, and SOLID principles Fluent English communication skills (spoken and written) Nice to have: Basic knowledge of SQL; experience with Kafka and Kubernetes Previous experience in the banking or financial services sector Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: 12-month full-time contract (with possible extension) for a Senior FullStack Developer to enhance and maintain a Corporate Netbank application in the banking sector. The role focuses on developing and modernizing backend and frontend components, implementing new features, fixing bugs, and supporting production in both microservice and monolithic architectures. Hybrid work model with 3 days per week in the Warsaw office. 🗂️ Requirements: Minimum 5 years experience with Java 7/8, Minimum 5 years experience with Spring Framework, Minimum 5 years experience with Spring Boot, Minimum 5 years experience with Maven, Minimum 5 years experience with JSP, Minimum 5 years experience with JavaScript, Minimum 5 years experience with SQL, Minimum 5 years experience with Git, Experience writing REST APIs, Backend service design and implementation, Experience with microservice architecture, Experience with monolithic architecture, Experience in unit testing, Minimum 2 years experience with Angular, Minimum 2 years experience with Jasmine, Experience working in Agile environments 📃 Skills: Java, Maven, JSP, JavaScript, SQL, Git, Spring, SpringBoot, REST, Angular, Jasmine, Microservices, Monolith, UnitTesting 🏢 Description: Location: hybrid - 3 days a week from the office in Warsaw Duration of assignment: 12 months first contract (prolongation expected). Language: English Industry: banking. Workload: Full time Overview The position of Senior FullStack Developer is a crucial role within our Corporate Netbank system team. You will contribute significantly to enhancing an application designed for large corporate clients to manage their accounts efficiently. The developer should possess strong experience in backend and frontend technologies, with a collaborative mindset and a commitment to excellence. Main Responsibilities Maintain and enhance the Corporate Netbank Application. Implement new features and bug fixes. Respond to production incidents and make compliance changes. Develop and improve services in both microservice and monolithic architectures. Participate in transitioning from legacy systems to modern solutions. Key Requirements Minimum 5 years of experience with Maven, JSP, JavaScript, Java 7/8, Git, Spring Framework, Spring Boot, SQL. Proven experience in writing REST APIs. Backend services design and implementation skills. Experience in unit testing. At least 2 years of experience with Angular and Jasmine. Proficient in agile working environments. Strong analytical skills for legacy code. Excellent communication skills. Fluency in English. Nice to Have Knowledge of SOLID principles and design patterns.

🏢 Summary: Senior FullStack Developer role in the banking sector focused on maintaining and enhancing a Corporate Netbank application for large corporate clients. The position involves developing new features, fixing bugs, handling production incidents, and modernizing legacy systems within microservice and monolithic architectures. This is a 12-month hybrid contract in Warsaw with strong emphasis on backend and frontend development. 🗂️ Requirements: Minimum 5 years experience with Java 7/8, Minimum 5 years experience with Spring Framework and Spring Boot, Minimum 5 years experience with Maven, Minimum 5 years experience with JSP and JavaScript, Minimum 5 years experience with Git, Minimum 5 years experience with SQL, Experience in designing and implementing REST APIs, Backend services design and implementation experience, Experience with unit testing, Minimum 2 years experience with Angular, Experience with Jasmine, Experience working with microservice and monolithic architectures, Ability to analyze and work with legacy code 📃 Skills: Java, Spring, SpringBoot, Maven, JSP, JavaScript, Git, SQL, REST, Angular, Jasmine, Microservices, Monolith, UnitTesting 🏢 Description: Location: hybrid - 3 days a week from the office in Warsaw Duration of assignment: 12 months first contract (prolongation expected). Language: English Industry: banking. Workload: Full time. Overview The position of Senior FullStack Developer is a crucial role within our Corporate Netbank system team. You will contribute significantly to enhancing an application designed for large corporate clients to manage their accounts efficiently. The developer should possess strong experience in backend and frontend technologies, with a collaborative mindset and a commitment to excellence. Main Responsibilities Maintain and enhance the Corporate Netbank Application. Implement new features and bug fixes. Respond to production incidents and make compliance changes. Develop and improve services in both microservice and monolithic architectures. Participate in transitioning from legacy systems to modern solutions. Key Requirements Minimum 5 years of experience with Maven, JSP, JavaScript, Java 7/8, Git, Spring Framework, Spring Boot, SQL. Proven experience in writing REST APIs. Backend services design and implementation skills. Experience in unit testing. At least 2 years of experience with Angular and Jasmine. Proficient in agile working environments. Strong analytical skills for legacy code. Excellent communication skills. Fluency in English. Nice to Have Knowledge of SOLID principles and design patterns.

🏢 Summary: Development and modernization of a corporate banking platform, transforming a legacy monolith into a microservices-based architecture. The role focuses on building and integrating REST APIs, refactoring legacy systems, and supporting migration using modern engineering practices in an Agile/SAFe environment. You will work across monolithic and microservices architectures, contributing to backend development and system integration. 🗂️ Requirements: Proficiency in Java, Experience with Spring Framework and Hibernate, Strong knowledge of SQL, Experience in REST API development, Understanding of microservices architecture, Experience with Cucumber and Jasmine, Ability to refactor legacy systems, Experience with system integration, English proficiency for technical communication 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Cucumber, Jasmine, Angular, Git, DDD, Hexagonal, WebFlux, Reactor, SAFe, Agile 🏢 Description: About the Project Join an international team responsible for the development and modernization of a key corporate banking platform. The project focuses on transforming a legacy monolithic system into a modern architecture based on microservices while building new APIs that support the platform's future growth. You will work in an Agile/SAFe environment, leveraging modern engineering practices and architectural patterns. Responsibilities Design and develop REST APIs Build and maintain backend applications using Java and Spring Framework Integrate systems and support system-to-system communication Refactor legacy applications and extract business logic into microservices Contribute to the modernization and migration of existing systems Develop solutions across both monolithic and microservices architectures Work with reactive programming technologies and frameworks Support frontend integration with Angular-based applications Create and maintain unit and BDD tests Participate in code reviews and ensure high code quality standards Collaborate with cross-functional teams and stakeholders Produce and maintain technical and API documentation Requirements Must-Have Skills Java Spring Framework / Hibernate SQL REST API development Microservices architecture Cucumber Jasmine Strong English communication skills Nice to Have Angular Technology Stack Java Spring Boot Hibernate SQL REST APIs Microservices Angular Cucumber Jasmine Git Domain-Driven Design (DDD) Hexagonal Architecture (Ports & Adapters) WebFlux / Project Reactor SAFe Agile

🏢 Summary: Senior Fullstack Developer role focused on developing and modernizing a corporate digital banking platform. The position involves building scalable API solutions, working with microservices and monolithic architectures, and delivering high-quality software using modern engineering practices. The role requires close collaboration within Agile teams to ensure resilient and maintainable solutions. 🗂️ Requirements: Minimum 6 years of Java development experience, Approximately 2 years of Angular experience, Experience building API solutions, Working knowledge of Spring and Hibernate, Experience with reactive programming, Experience with REST and microservices, Experience with SQL, Experience with Git, Knowledge of Cucumber, Understanding of SOLID principles and design patterns, Experience working in Agile environment, Fluency in English 📃 Skills: Java, Angular, Spring, Hibernate, REST, Microservices, SQL, Git, Cucumber, Jasmine, SAFe 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Fullstack Developer Responsibilities: Develop and maintain new features for a modern corporate digital banking platform Build and improve API solutions supporting key banking services such as accounts, payments, file transfer, and international/local services Contribute to the modernisation of the legacy Corporate Netbank platform Work with backend services based on microservice and monolithic architecture Design and implement resilient, scalable, and maintainable software solutions Follow Domain-Driven Design principles and port-adapter architecture Collaborate closely with developers, Product Owners, architects, analysts, and QA engineers Support maintenance, compliance, and platform improvement activities Participate in Agile ceremonies and contribute to team planning and delivery Ensure high quality of delivered software through clean code, testing, and best engineering practices Requirements: At least 6 years of hands-on experience in Java development Around 2 years of experience with Angular Strong experience in building API solutions Working knowledge of Spring and Hibernate Experience with reactive programming Experience with REST, microservices, SQL, and Git Knowledge of Cucumber framework Good understanding of SOLID principles and design patterns High level of software development skills and engineering mindset Experience working in an Agile environment, preferably SAFe Strong collaboration skills and focus on quality and timely delivery Fluency in English Nice to have: Working knowledge of unit testing in Jasmine Experience working in banking or financial services projects Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Java Developer responsible for analyzing requirements, designing and implementing new functionalities, and maintaining existing systems in the insurance domain. The role involves end-to-end participation in software development, including testing, documentation, and code quality assurance within a collaborative team environment. 🗂️ Requirements: Practical knowledge of Java, Basic knowledge of JEE, Basic knowledge of relational databases, Basic knowledge of SQL (Oracle), Knowledge of object-oriented analysis, Basic knowledge of Linux 📃 Skills: Java, JEE, SQL, Oracle, Linux, OOP 🏢 Description: Main responsibilities: Analysis of client requirements Designing new solutions and functionalities Implementation of new solutions Maintenance of existing features Ensuring the quality of developed and maintained code Testing developed solutions Documenting implemented solutions Sharing knowledge across the team and participating in code reviews Continuous collaboration with other team members Our requirements: Practical knowledge of the Java programming language Basic knowledge of JEE Basic knowledge of relational databases and SQL (Oracle) Knowledge of object-oriented analysis Basic knowledge of the Linux operating system English language skills required for communication and working with technical documentation Good communication and collaboration skills Fluent Polish language skills Nice to have: Proven experience with Spring Boot, RESTful API design and JWT authentication Proven experience with Angular frontend Advanced knowledge of Linux operating system German language skills We offer: Opportunity to work on various phases of software projects, including analysis, design, implementation, integration, testing, and troubleshooting Work with a friendly and supportive development team Flexible working hours Stable employment German language course Private medical care with the option to extend coverage to family members Group insurance Holiday subsidy No dress code About us: We maintain and develop existing and new management systems and IT systems for insurance companies.

🏢 Summary: Long-term remote contract for a Senior Frontend-focused Fullstack Developer to support modernization of international money transfer systems in online and mobile banking. The role centers on building modern Angular interfaces while contributing to Java-based microservices and ensuring quality through testing. You will work within a complex banking ecosystem delivering clean, scalable end-to-end solutions. 🗂️ Requirements: Senior-level experience, Strong expertise in JavaScript, Strong expertise in TypeScript, Strong expertise in Angular, Solid experience with Java, Experience with Spring, Experience with Spring Boot, Experience with OR-Mappers, Knowledge of relational databases, Experience with microservices architecture, Proficiency in Clean Code principles 📃 Skills: JavaScript, TypeScript, Angular, Java, Spring, SpringBoot, Hibernate, SQL, Microservices, CleanCode 🏢 Description: Join a major modernization initiative within a leading German bank, focusing on international money transfers for both Online Banking and Mobile Banking (BankingApp). You will collaborate with an existing nearshore team that is highly flexible—developing frontends while also building and testing (manually and automatically) Java-based microservices. We are looking for a specialist who can bridge both worlds but maintains a strong primary focus on the Frontend . Details Start: June 2026. Duration: longterm Location: 100% remote (max. 2 site visits per year to Germany, travel costs covered by the Bank). Workload: 1 FTE Languages: Fluent English is a must; German is a "nice to have." Responsibilities Frontend Development: Leading the creation of modern, responsive interfaces for banking applications using Angular. Backend Support: Building and maintaining backend microservices to ensure end-to-end functionality. Quality Assurance: Participating in both automated and manual testing of the developed services. Modernization: Implementing clean, scalable code within a complex international banking ecosystem. Requirements Frontend (Primary): Strong expertise in JavaScript, TypeScript, and Angular . Backend (Fullstack): Solid experience with Java, Spring, Spring Boot , and OR-Mappers (e.g., Hibernate). Databases: Practical knowledge of relational databases and microservices architecture. Standards: Proficiency in Clean Code principles. Seniority: Senior-level experience is required. Nice to Have Experience with Kafka and Openshift .