Fullstack Developer (Java+ Javascript)

🏢 Summary: Senior Full-Stack Developer role focused on developing and enhancing a modern web application in a full-stack environment. The position involves implementing functional requirements, contributing to software architecture, and ensuring high code quality within an agile team. Remote B2B contract on an international project. 🗂️ Requirements: Several years of experience in Java development, Experience with SpringBoot or JakartaEE or MicroProfile, Experience with modern frontend frameworks, Strong knowledge of frontend and backend web development, Understanding of software architecture principles, Knowledge of clean code principles, Experience working in Scrum or Kanban environments 📃 Skills: Java, SpringBoot, JakartaEE, MicroProfile, Vue, React, Angular, Web, Frontend, Backend, Architecture, CleanCode, Scrum, Kanban 🏢 Description: Summary The role of a Senior Full-Stack Developer is essential for enhancing the functionality of a modern web application, contributing to both frontend and backend development to meet user requirements effectively. What we offer: Remote Role B2B Contract Big International project Rate: 42-45 euro/hour +VAT Main Responsibilities: Development and further enhancement of a modern web application in a full-stack environment. Implementation of functional requirements (user stories) within an agile team. Contribution to the design and further development of the software architecture. Ensuring code quality and maintainability. Close collaboration with other developers and business stakeholders. Key Requirements: Several years of professional experience in software development with Java (e.g. Spring Boot or Jakarta EE / MicroProfile). Experience with modern frontend frameworks (e.g. Vue.js, React, or Angular). Solid knowledge of web application development (frontend & backend). Understanding of software architecture and clean code principles. Experience working in agile teams (e.g. Scrum or Kanban). Self-driven and structured working style, as well as strong teamwork skills.

🏢 Summary: Senior Java Full-Stack Developer role for international projects, focused on end-to-end development of web applications in a cloud-based environment. The position involves backend and frontend development, design and testing activities, and collaboration within agile teams. It is a fully remote B2B contract with long-term cooperation. 🗂️ Requirements: Bachelor’s degree in Engineering, IT, Science, or related technical field, Minimum 5 years of commercial experience in corporate IT, Strong experience with Java and Java frameworks, Commercial experience with frontend technologies, Solid knowledge of JavaScript, HTML5, CSS3, Experience with Angular, Knowledge of databases and SQL, Experience with REST and SOAP web services, Experience with AWS or Azure, Knowledge of Clean Code principles, Experience with unit testing, Experience with source code management, Experience with CI/CD and automated deployments, Very good English (spoken and written), Experience in agile (Scrum) environments 📃 Skills: Java, Spring, JavaScript, HTML5, CSS3, Angular, SQL, REST, SOAP, AWS, Azure, CI/CD, Git, Scrum 🏢 Description: Senior Java Full-Stack Developer – Remote Contract type: B2B Hourly rate: 160–170 PLN/h Location: Remote We are looking for an experienced Senior Java Full-Stack Developer to join international implementation projects. The role involves end-to-end development of web applications, close collaboration with agile teams, and active participation in design and testing activities. The position is well suited for a developer who values clean code, quality, and teamwork in a cloud-based environment. Responsibilities Work as a Senior Java Full-Stack Developer across multiple implementation streams Develop and maintain web-based applications using Java and modern frontend technologies Write and maintain unit tests to ensure software quality Collaborate with agile team members to achieve project and client goals Participate in design reviews, testing activities, and technical discussions Requirements Bachelor’s degree in Engineering, IT, Science, or another technical field Minimum 5 years of commercial experience in a corporate IT environment Strong experience with Java and commonly used Java frameworks Commercial experience with frontend technologies and web-based applications Solid knowledge of JavaScript, HTML5, CSS3, and responsive single-page application design Experience with Angular Knowledge of databases and SQL Experience with web services and APIs (REST, SOAP) Experience deploying applications on cloud platforms such as AWS or Azure Knowledge of Clean Code principles and unit testing Experience with source code management, CI/CD, and automated deployments Very good English, both spoken and written Experience working in international and agile (Scrum) environments Strong communication and collaboration skills Nice to have Experience with Kafka or RabbitMQ Hands-on experience with microservices architecture Knowledge of Docker and Kubernetes Relevant certifications (Java, Spring, SQL, AWS, Azure) Knowledge of German or another European language Benefits Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance We offer Fully remote cooperation Competitive hourly rate: 160–170 PLN/h (B2B) Long-term cooperation in international projects Modern technology stack and agile working environment

🏢 Summary: Senior Fullstack Developer role focused on modernizing banking systems through REST API development, microservices extraction, and system integrations. The position involves refactoring legacy applications and contributing to both microservice and monolith architectures in an international environment. Hybrid work model with B2B contract. 🗂️ Requirements: Minimum 6 years of experience in Java development, Experience with reactive programming, Working knowledge of Spring framework, Working knowledge of Hibernate, Experience with SQL, Experience with REST API development, Experience with microservices architecture, Experience with Git, Minimum 2 years of experience with Angular 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Git, Angular, Reactive, DDD, Cucumber, SAFe 🏢 Description: Industry: Banking Work model: Hybrid in Warsaw or Tricity - 3 days a week in the office Rate: up to 170 PLN/h (B2B contract) Summary: The role of a Senior Fullstack Developer focuses on modernizing systems, enhancing customer experience through API development, and ensuring seamless integration of various services. Main Responsibilities: Core duties include building REST API solutions and collaborating with teams to create optimal solutions. Building REST API solutions and integrations with other applications Refactoring legacy applications by extracting logic into microservices Collaborating with other developers, teams, and stakeholders to create optimal solutions Participating in the development and continuous improvement of services in both microservice and monolith architectures Key Requirements: Hands-on experience in Java development (at least 6 years preferred) Familiarity with reactive programming Working knowledge of Spring and Hibernate frameworks Experience with SQL, REST, Microservices, and GIT At least 2 years of experience with Angular Nice to Have: Familiarity with the DDD (Domain-Driven Design) approach Experience with Cucumber framework Previous work in an international team with English as the common language Exposure to SAFE Agile methodologies Other Details: Team Composition: International team. Communication Language: English.

🏢 Summary: Senior Fullstack Developer role focused on modernizing banking systems through REST API development, microservices extraction, and system integrations. The position involves enhancing customer-facing services and contributing to both microservice and monolith architectures in an international environment. Hybrid work model with B2B contract up to 170 PLN/h. 🗂️ Requirements: Minimum 6 years of commercial experience in Java development, Experience with reactive programming, Working knowledge of Spring framework, Working knowledge of Hibernate, Experience with SQL, Experience building REST APIs, Experience with microservices architecture, Experience with GIT, Minimum 2 years of experience with Angular 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, GIT, Angular, Cucumber, DDD 🏢 Description: Industry: Banking Work model: Hybrid in Warsaw or Tricity - 3 days a week in the office Rate: up to 170 PLN/h (B2B contract) Summary: The role of a Senior Fullstack Developer focuses on modernizing systems, enhancing customer experience through API development, and ensuring seamless integration of various services. Main Responsibilities: Core duties include building REST API solutions and collaborating with teams to create optimal solutions. Building REST API solutions and integrations with other applications Refactoring legacy applications by extracting logic into microservices Collaborating with other developers, teams, and stakeholders to create optimal solutions Participating in the development and continuous improvement of services in both microservice and monolith architectures Key Requirements: Hands-on experience in Java development (at least 6 years preferred) Familiarity with reactive programming Working knowledge of Spring and Hibernate frameworks Experience with SQL, REST, Microservices, and GIT At least 2 years of experience with Angular Nice to Have: Familiarity with the DDD (Domain-Driven Design) approach Experience with Cucumber framework Previous work in an international team with English as the common language Exposure to SAFE Agile methodologies Other Details: Team Composition: International team. Communication Language: English.

🏢 Summary: Senior Fullstack Developer role focused on modernizing a banking Corporate Netbank Administration system through REST API development and microservices extraction. The position involves refactoring legacy applications and enhancing integrations to improve customer experience. Work is delivered in hybrid model with strong emphasis on Java and modern frameworks. 🗂️ Requirements: Minimum 6 years of hands-on Java development experience, Experience with reactive programming, Working knowledge of Spring framework, Working knowledge of Hibernate, Experience with SQL, Experience with REST APIs, Experience with microservices architecture, Experience with Git, Minimum 2 years of experience with Angular 📃 Skills: Java, Spring, Hibernate, SQL, REST, Microservices, Git, Angular, Reactive 🏢 Description: Industry: Banking Work model: Hybrid in Warsaw or Tricity - 3 days a week in the office Rate: up to 170 PLN/h (B2B contract) The Senior Fullstack Developer role is focused on modernizing the Corporate Netbank Administration (CNA) system, improving the customer experience through API development, and ensuring seamless integration across various services. The position requires strong expertise in Java development and solid experience with modern frameworks. RESPONSIBILITIES: Building REST API solutions and integrations with other applications. Refactoring legacy applications by extracting business logic into microservices. Collaborating with other developers, teams, and stakeholders to deliver optimal solutions. Participating in the development and continuous improvement of services in both microservice and monolith architectures. REQUIREMENTS: Hands-on experience in Java development (preferably at least 6 years). Familiarity with reactive programming . Working knowledge of Spring and Hibernate frameworks. Experience with SQL , REST , Microservices , and Git . At least 2 years of experience with Angular . NICE TO HAVE: Familiarity with the DDD (Domain-Driven Design) approach. Experience with the Cucumber framework. Previous experience working in an international team with English as the common language. Exposure to SAFe Agile methodologies.

🏢 Summary: Senior Full Stack Developer role for an international product team focused on building scalable applications using TypeScript, React, Node.js, PostgreSQL, and Kafka. The contract is remote, B2B, initially for 6 months with possible extension, and includes collaboration in an agile international environment with AI-powered development tools. 🗂️ Requirements: 8+ years of commercial software development experience, Strong TypeScript experience, Experience with React, Experience with Node.js, Experience with NestJS, Knowledge of PostgreSQL, Knowledge of REST APIs, Knowledge of Kafka, Experience building scalable systems, Daily use of AI coding tools, English level B2+/C1 📃 Skills: TypeScript, React, Node.js, NestJS, PostgreSQL, REST, Kafka, Claude, Cursor, Codex, Copilot 🏢 Description: co.brick talents — powered by AI, powered by people. Senior Full Stack Developer (TypeScript / React / Node.js) Location: Remote Contract: B2B Rate: Up to 150–160 PLN/hour Duration: 6 months with a strong possibility of extension Start: ASAP About the project We are looking for an experienced Senior Full Stack Developer to join an international product development team. You will work on building and enhancing scalable software solutions in a modern technology stack, collaborating with experienced engineers in an agile environment. Your responsibilities Design, develop, and maintain scalable full stack applications. Build high-quality backend services and modern frontend solutions. Develop and integrate REST APIs. Work with PostgreSQL and Kafka-based architectures. Collaborate with cross-functional, international teams. Apply AI-powered coding tools to improve development efficiency and code quality. Requirements 8+ years of commercial software development experience. Strong experience with TypeScript on both the frontend and backend. Hands-on experience with React and Node.js/NestJS . Solid knowledge of PostgreSQL , REST APIs , and Kafka . Experience designing and building scalable systems or software products. Daily use of AI coding tools such as Claude Code, Cursor, Codex, GitHub Copilot , or similar ( must have ). Very good English communication skills ( B2+/C1 , must have ). Nice to have Experience building SaaS products. Experience developing on-premise software solutions. Recruitment process The recruitment process includes a technical assignment (approximately 5 hours) . During the task, you are welcome and encouraged to use AI coding tools , as we value modern software development practices.

🏢 Summary: Senior Full Stack Developer role focused on designing and developing web applications in a microservices-based, cloud-native environment. The position involves building reactive front-end solutions with React and robust backend services using Java and Spring, within containerized and DevOps-driven ecosystems. Fully remote, full-time B2B contract. 🗂️ Requirements: BSc in Software Engineering or BS in Computer Science, 6+ years of experience with Java and Spring, 5+ years of experience with modern JavaScript frameworks, Practical experience with React, Experience with functional programming and Java Streams, 2+ years of experience with TDD/BDD (JUnit, Jasmine, Mockito, Protractor or Selenium), 2+ years of experience with microservices architecture and Spring Boot/Cloud, Experience with DevOps practices and Jenkins, Experience designing and deploying cloud or hybrid solutions, Experience with container-based environments, Knowledge of microservices design patterns 📃 Skills: Java, Spring, SpringBoot, SpringCloud, React, JavaScript, Kotlin, Jenkins, JUnit, Jasmine, Mockito, Protractor, Selenium, Kubernetes, CloudFoundry, Microservices, Docker, TDD, BDD 🏢 Description: 💰 8.400-9.240 USD/Month 🌎 Fully Remote, Full-Time ☑️ B2B Contract We’re looking for a Senior Full Stack Developer ! Our client is an international company – a pioneer in container shipping. They are distinguished by their unique strategy as a digital-oriented, asset-light, global niche carrier that offers distinctive advantages, allowing the company to provide innovative and premium customer-centric services while maximizing profitability. In a dynamic shipping and logistics environment, the company has set itself apart as a carrier with a fresh, unique approach. Requirements: BSc in Software Engineering or a BS degree in Computer Science. 6+ years of experience in the following technologies: Java, Spring Experience with Functional Programming and Java Streams. 5+ years of experience in FE development with modern JavaScript Framework/libraries (practical experience with React is a must). Experience with developing a reactive UI (ReactJS). 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium 2+ years of experience in microservices-based architecture and tools (Spring Boot/Cloud) Experience in DevOps development and Jenkins. Experience in development in Kotlin is a big advantage. Experience in designing, developing, and deploying cloud/hybrid-based solutions. Experience in developing and deploying in container-based environments (Kubernetes, Cloud Foundry). Familiarity with the following design concepts: micro-services, service discovery, circuit breaker. Self-starter with the ability to appropriately prioritize and plan complex work in a rapidly changing environment. Versatility and the capability to switch easily between different tasks and technologies. Experience in assessing a broad range of information solutions and products. Strong critical thinker with problem-solving aptitude. Excellent English - verbal and written. Responsibilities: Design and develop Web applications. Develop from specifications supplied or create your own specification based on requirements. Reports progress on a regular basis to the Team Leader. Responsible for planning daily schedules and efficient use of time to ensure deliverables are met. Responsible for unit testing of own code to a level acceptable for Quality Assurance testing, where basic functions work per the requirements.

🏢 Summary: Senior Full Stack Developer role focused on designing and implementing high-quality Java-based applications within a microservices architecture. The position involves backend development with Spring Boot, database integration, containerized deployments, and collaboration in an agile team environment. The role emphasizes code quality, operational excellence, and modern DevOps practices. 🗂️ Requirements: 5-6 years of experience in software development, Proven experience with Java, Experience with Spring or Quarkus, Strong proficiency in relational databases, Experience with Docker, Experience with Kubernetes, Experience with GitLab, Experience with Maven, English level B2 or higher 📃 Skills: Java, Spring, Quarkus, SQL, Oracle, Postgres, Docker, Kubernetes, GitLab, Maven, Angular, Kafka, ActiveMQ, Helm, Microservices 🏢 Description: Summary The purpose of the Senior Full Stack Developer role is to design and implement high-quality software solutions while collaborating within a team. This position focuses on leveraging a well-defined technology stack and ensuring the operational excellence of applications. Responsibilities: Develop and maintain robust applications using JAVA and Spring Boot. Work on microservices architecture. Manage application deployment using Helm Charts. Collaborate effectively with team members and communicate openly. Ensure code quality and adhere to best practices in software development. Maintain knowledge of UI frameworks, particularly Angular. Utilize messaging systems like ActiveMQ or event platforms like Kafka as needed. Handle relational databases (e.g., Oracle, Postgres). Must Haves: Proven experience with Java and Spring (or Quarkus). Strong proficiency in relational databases. Minimum of 5-6 years of working experience. Familiarity with Docker, Kubernetes, GitLab, and Maven. Nice to Haves: Experience with Angular UI frameworks. Knowledge of microservices. Experience with message brokers like ActiveMQ or event-streaming platforms like Kafka. Fluency in German. Other Details: Language Proficiency: English (B2 level), German is desirable. Soft Skills: Team player, proactive communication, self-organization. Responsibility: Accountability and ownership for projects. Interest: Engagement in the business field of taxes.

🏢 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: B2B contract for a Senior Fullstack Developer in the banking sector to develop and maintain sales and post-sales financial applications. The role involves frontend work in Angular and backend development in Java Spring Boot, including REST integrations and asynchronous communication. Project duration is 4–6 months with fully remote work. 🗂️ Requirements: Commercial experience with Java (mid level or higher), Project experience with Spring Boot, Advanced knowledge of JavaScript, Advanced knowledge of Angular, Advanced knowledge of PostgreSQL, Experience designing and implementing REST APIs, Experience with Kafka or RabbitMQ, Experience working with JIRA 📃 Skills: Java, SpringBoot, Angular, JavaScript, PostgreSQL, REST, Kafka, RabbitMQ, JIRA 🏢 Description: Umowa: B2B Stawka: 160 PLN + VAT Czas trwania projektu: 4–6 miesięcy Tryb pracy: zdalny Branża: bankowość Poszukujemy doświadczonego Senior Fullstack Developera , który dołączy do naszego zespołu odpowiedzialnego za rozwój oraz utrzymanie procesów sprzedażowych i posprzedażowych aplikacji finansowych. Idealny kandydat powinien posiadać gruntowną wiedzę w zakresie Angular , Java oraz PostgreSQL , a także doświadczenie w implementacji API REST. Główne odpowiedzialności Rozwój i modyfikacja istniejących procesów biznesowych w aplikacji Implementacja zmian frontendowych w Angular oraz backendowych w Java Spring Boot Analiza działania aplikacji w środowisku produkcyjnym Identyfikacja problemów produkcyjnych na podstawie obserwacji ruchu i zachowania użytkowników Proponowanie i wdrażanie rozwiązań usprawniających działanie aplikacji Praca z integracjami opartymi o REST, komunikację asynchroniczną (Kafka, RabbitMQ) Współpraca z zespołem w ramach planowanych inicjatyw projektowych Korzystanie z narzędzi AI jako stałego elementu codziennej pracy developerskiej Praca z backlogiem i zadaniami w JIRA Kluczowe wymagania Java – poziom średniozaawansowany Spring Boot – doświadczenie projektowe JavaScript – poziom zaawansowany Angular – poziom zaawansowany PostgreSQL – poziom zaawansowany Projektowanie i implementacja API REST Praca z systemami kolejkowymi: Kafka, RabbitMQ Doświadczenie w pracy z JIRA Mile widziane Doświadczenie w obserwowalności systemów i analizie ruchu produkcyjnego Znajomość narzędzi typu Dynatrace lub innych narzędzi APM Doświadczenie w projektach wielokanałowych (web, mobile, oddział) Znajomość domeny bankowej lub produktów finansowych