Full Stack Developer (Java, React)

🏢 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: B2B FullStack Developer role focused on building and enhancing a Client Onboarding platform for Global Banking and Markets using Java and React in a hybrid Kraków-based environment. The position involves developing REST APIs, working with microservices, improving system performance and security, and supporting production systems. Candidates will collaborate in a fast-paced DevOps-oriented team delivering innovative onboarding solutions. 🗂️ Requirements: Java 8+, React, Microservices, REST APIs, Testing, CI/CD, Debugging, Security awareness, Database schema design, PostgreSQL, DevOps, Problem-solving, Analytical skills, Collaborative environment experience 📃 Skills: Java, React, REST, Microservices, CI/CD, PostgreSQL, DevOps, Testing, Security 🏢 Description: As a FullStack Developer in our Kraków office, you will contribute to the development of a user-friendly Client Onboarding experience for Global Banking and Markets. This role emphasizes innovative thinking and a commitment to improving client experiences through technology. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-190 zł/h Main Responsibilities: - Develop and maintain the Client Onboarding solution using Java and React. - Debug existing code and extend functionality where necessary. - Implement REST APIs in line with microservice architecture. - Create and execute tests to ensure the reliability of functionalities and endpoints. - Participate in performance and stability improvement initiatives. - Contribute to security implementations around services and endpoints. - Engage in production support as part of a rotating schedule. Key Requirements: - Strong knowledge of Java 8+ / 18+ - Proficient in React JS - Ability to understand and debug existing code - Experience with microservice architecture - Experience with writing REST APIs - Skill in writing tests to verify code functionality - Familiarity with CI/CD tooling - Strong security awareness in development practices - Self-motivated with rapid learning capabilities - Experience in a collaborative and fast-paced environment - Strong problem-solving and analytical skills - Good understanding of database schema design; knowledge of PostgreSQL is a plus - Able to work in a DevOps environment Nice to Have: - Familiar with DevOps practices - Experience with cloud platforms Other Details: This position is based in Kraków, requiring hybrid work with meetings held online. The role involves substantial collaboration on innovative solutions aimed at enhancing the client onboarding process. Regular coding interviews will be conducted to assess coding skills.

🏢 Summary: Backend Developer role focused on designing and building scalable, secure microservices and APIs using Java and Spring Boot in a cloud-oriented environment. The position emphasizes strong data modeling, architecture design, and CI/CD-driven delivery within Agile teams. The contractor will develop resilient backend solutions and ensure high code quality and reliability. 🗂️ Requirements: Hands-on experience with API and Microservices development in Java or Spring Boot, Proficiency in Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building and consuming REST web services, Experience working with XML and JSON, Experience with relational or NoSQL databases (Oracle, PostgreSQL, MongoDB), Experience with CI/CD pipelines and Jenkins, Experience with Docker and Git, Unix proficiency, Experience working in Agile methodologies (Scrum or Kanban) 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, CICD, Microservices, Agile, Scrum, Kanban 🏢 Description: Location : Cracow Mode : Hybrid (6 days per month at the office - flexible) Contract : B2B Rate : 160-170 PLN/h Introduction & Summary We are seeking a skilled Backend Developer who possesses a deep knowledge of data modeling and architecture. The ideal candidate should have extensive experience in API development using core Java and Spring Boot, with a strong grasp of security principles and Agile methodologies. The role requires an analytical mindset, capable of designing resilient and scalable solutions while working cross-functionally to foster collaboration and innovation. Main Responsibilities Ensure proper definition and architecture of non-functional requirements in design. Develop and grow skills in designing cloud-based, secure, and adaptable solutions. Build scalable, highly reliable product features through effective software design and implementation. Apply problem-solving and analytical skills to diverse challenges. Interact with cross-functional teams for scalable solution production. Estimate engineering efforts and develop realistic schedules. Identify and resolve complex production issues efficiently. Conduct comprehensive design and code reviews and perform unit testing. Utilize source control and bug tracking systems responsibly. Key Requirements Hands-on experience in API and Microservices development using core Java and/or Spring Boot . Proficient in application development using Java/J2EE and related technologies, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and consuming web services (REST), as well as processing data formats like XML/JSON. Expert knowledge of Agile/Scrum/Kanban development methodologies and experience with databases (Oracle, Postgre, MongoDB). Extensive knowledge of CI/CD deployment pipelines, including Jenkins, Docker, shell scripting, and GIT with Unix proficiency. Nice to Have Experience in JavaScript frameworks such as ReactJs, Node JS, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive designs using frameworks like Bootstrap. Knowledge of GCP, GKE, AWS is an advantage. Experience or knowledge in system architecture and solution design. Hands-on experience in Python, Machine Learning, and Data Science.

🏢 Summary: Long-term B2B hybrid role focused on hands-on Java and React development within a microservices architecture, contributing directly to production code and system design. The position emphasizes high-frequency delivery, REST API development, and collaboration in a global engineering environment. It combines technical leadership with active development in financial-sector projects. 🗂️ Requirements: Strong experience with Java, Strong experience with ReactJS, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Recent experience with modern Java versions, Ability to deliver code changes frequently, Background in banking or financial sector 📃 Skills: Java, ReactJS, Microservices, REST, PostgreSQL, Docker, Kubernetes 🏢 Description: Working mode: Hybrid - 6 days per month at the Kraków office Contract type: B2B, long term cooperation Rate: 200 PLN/h Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes. Other Details: This position offers the opportunity to work within a multi-regional team on innovative projects. Ideal for candidates seeking to leverage their development skills in a dynamic and evolving business context.

🏢 Summary: Long-term B2B role focused on hands-on Java and React development within a microservices architecture, contributing directly to production code and system design. The position combines backend and frontend engineering with architectural responsibilities in a global, collaborative environment. The role supports high-frequency delivery in a financial services context. 🗂️ Requirements: Strong experience with Java, Strong experience with ReactJS, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Recent experience with modern Java versions, Experience delivering code changes at high frequency, Background in financial sector, preferably banking 📃 Skills: Java, ReactJS, Microservices, REST, PostgreSQL 🏢 Description: Working mode : Hybrid - 6 days per month at the Kraków office Contract type : B2B, long term cooperation Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes.

🏢 Summary: Full Stack Engineer role in the banking sector focused on building and delivering high-quality solutions within a microservices architecture. The position involves hands-on backend development, REST API design, and collaboration within a global team while promoting engineering best practices. Long-term project with frequent production deployments and strong emphasis on scalable architecture. 🗂️ Requirements: Strong software engineering experience, Backend application design and development expertise, Experience with microservices architecture, Experience delivering changes to production frequently, Experience developing and deploying RESTful APIs, Experience writing schemas for PostgreSQL, Experience working with PostgreSQL databases, Fluent English for project communication 📃 Skills: Java, REST, PostgreSQL, Microservices, Docker, Kubernetes, GCP, ReactJS 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role in the banking industry focused on building and delivering high-quality solutions within a microservices architecture. The position involves hands-on backend and API development, frequent production deployments, and collaboration with global teams to promote strong engineering practices. Hybrid work model with long-term B2B contract and technical recruitment process including live coding. 🗂️ Requirements: Strong experience in backend application design, development, and deployment, Experience delivering code in microservices architecture, Experience deploying changes to production frequently, Experience developing and deploying RESTful APIs, Experience writing schemas and working with PostgreSQL databases, Fluent English for project communication 📃 Skills: Java, REST, PostgreSQL, Docker, Kubernetes, GCP, ReactJS, Microservices 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role in the banking sector focused on building and deploying high-quality solutions within a microservices architecture. The position involves hands-on backend development, frequent production releases, and collaboration within a global team. The contract is long-term B2B with a hybrid work model. 🗂️ Requirements: Strong software engineering experience, Backend application design and development expertise, Experience with microservices architecture, Experience delivering code to production frequently, Experience developing and deploying RESTful APIs, Experience with PostgreSQL and schema design, Fluent English for technical communication 📃 Skills: Java, REST, PostgreSQL, Microservices, Docker, Kubernetes, GCP, ReactJS 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role focused on building and delivering high-quality backend solutions within a microservices architecture in the banking domain. The position involves hands-on development, frequent production deployments, and collaboration within a global team to support scalable systems. The engineer will design, develop, and maintain RESTful services and ensure alignment with engineering best practices. 🗂️ Requirements: Strong experience in backend application design, development, and deployment, Experience delivering solutions in microservices architecture, Experience developing and deploying RESTful APIs, Experience working with PostgreSQL databases and writing schemas, Ability to deliver changes to production frequently 📃 Skills: Microservices, REST, PostgreSQL, Backend, APIs, Deployment 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.