Backend Developer (Java)

🏢 Summary: Backend Developer role focused on designing and building scalable, cloud-based applications using Java and Spring Boot in a microservices architecture. The position involves developing and deploying distributed, event-driven services on Azure using modern containerization and API technologies. The offer emphasizes building reliable, high-quality backend systems with up-to-date cloud-native practices. 🗂️ Requirements: Strong Java development experience, Experience with Spring Boot, Experience with microservices architecture, Experience with cloud-native applications, Familiarity with Azure, Knowledge of Kafka or similar messaging systems, Understanding of GraphQL or REST APIs, Experience with Docker, Experience with Kubernetes 📃 Skills: Java, Spring, SpringBoot, Microservices, Azure, Kafka, GraphQL, REST, Docker, Kubernetes 🏢 Description: We are seeking a talented Backend Developer to join our team, contributing to the design and development of modern, cloud-based applications. The role focuses on building scalable and maintainable services using up-to-date technologies and best practices. Key Responsibilities: Develop and maintain backend services using Java and Spring Boot . Build and support microservices solutions for distributed systems. Work with cloud platforms such as Azure , including event-driven architectures. Implement and consume APIs using GraphQL or REST. Package and deploy applications using Docker and Kubernetes . Collaborate with team members to deliver reliable, high-quality software. Required Skills & Experience: Strong background in Java development with Spring Boot . Experience with microservices and cloud-native applications. Familiarity with Azure , Kafka , or similar messaging/event systems. Understanding of API design ( GraphQL /REST). Practical experience with containerization ( Docker , Kubernetes ). Nice to Have: Knowledge of CI/CD practices and automated deployments. Experience with monitoring, logging, or observability in distributed systems.

🏢 Summary: Full-Stack / Backend Developer role focused on building and maintaining scalable applications and REST APIs that support client products. The position involves developing new integrations, enhancing existing backend and frontend systems, and improving platform performance and reliability. You will contribute to architecture improvements and work within a cloud-based environment. 🗂️ Requirements: Minimum 3 years commercial experience, Experience with Java, Experience with Spring Boot, Experience with AWS, Experience with MongoDB, Experience with PostgreSQL, Experience with React.js, Experience designing REST APIs, Knowledge of backend architecture, Experience with cloud environments, Understanding of clean code principles, Experience working in Agile environment 📃 Skills: Java, SpringBoot, AWS, MongoDB, PostgreSQL, React, REST, Agile, Cloud, Architecture 🏢 Description: We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable applications and APIs supporting our clients’ products. You will work on both backend and frontend solutions, contributing to product development, system improvements, and ongoing platform stability. Your Responsibilities Develop new APIs to support client integrations and business features. Maintain and enhance existing backend and frontend applications. Fix bugs and improve application performance and reliability. Upgrade and support operational aspects of the platform. Identify opportunities to improve product quality, architecture, and development processes. Collaborate with developers, product teams, and stakeholders to deliver high-quality solutions. Participate in code reviews and contribute to best engineering practices. Required Skills Minimum 3 years of commercial experience with: Java Spring Boot AWS MongoDB PostgreSQL React.js Experience designing and developing REST APIs. Knowledge of backend architecture and modern web applications. Experience working with cloud-based environments (AWS). Understanding of software development best practices and clean code principles. Ability to work in an Agile development environment.

🏢 Summary: Backend Java Developer role focused on building scalable, high-performance server-side applications using Spring Boot. The position involves database design, API development (REST/SOAP), search optimization with ElasticSearch, and maintaining high code quality within CI/CD environments. The role requires strong experience in the Java ecosystem and collaboration with cross-functional teams. 🗂️ Requirements: Minimum 4 years of backend development experience with Java, Strong hands-on experience with Spring Boot, Practical experience with Hibernate ORM, Experience with MS SQL databases, Experience with ElasticSearch or similar search engines, Proficiency in REST and SOAP API development, Experience working with JSON and XML, Basic knowledge of HTML, CSS, JavaScript, Experience with Git version control, Understanding of CI/CD pipelines and tools like Jenkins or TeamCity, Experience with Docker 📃 Skills: Java, Spring, SpringBoot, Hibernate, MSSQL, ElasticSearch, REST, SOAP, JSON, XML, HTML, CSS, JavaScript, Git, Jenkins, TeamCity, Docker 🏢 Description: Key Responsibilities Core Backend Development: Designing and developing robust, scalable, and high-performance server-side applications using Java and the Spring Boot framework. Database Management: Designing efficient database schemas, writing optimized queries, and managing data persistence using Hibernate and MS SQL. API Design & Integration: Building, integrating, and maintaining secure RESTful and SOAP web services (WebApi, WCF) to ensure seamless communication between systems. Search Optimization: Implementing and tuning efficient search and indexing solutions utilizing ElasticSearch. Code Quality & Mentorship: Writing clean, maintainable, and well-tested code while participating in code reviews to ensure alignment with industry best practices. Requirements Experience: Minimum 4 years of professional experience in backend development with a strong focus on the Java ecosystem. Frameworks & ORM: Deep understanding and hands-on experience with Spring Boot and Hibernate. Databases & Search: Practical knowledge of MS SQL and experience with ElasticSearch or similar search engines. Web Services & Formats: Proficiency in developing APIs (REST/SOAP) and working comfortably with JSON and XML data formats. Front-End Basics: General understanding of web technologies (HTML, CSS, JavaScript) to effectively collaborate with front-end teams. Tools & Version Control: Strong command of Git and a solid understanding of CI/CD workflows (e.g., Jenkins/TeamCity, Docker).

🏢 Summary: The role involves designing, developing, and maintaining cloud-native enterprise applications as a Fullstack Engineer using Java and Angular. The position focuses on building scalable backend and frontend solutions within a microservices architecture, supporting CI/CD, containerization, and secure application design. The engineer will work in Agile teams and contribute to architecture, deployment, and system reliability. 🗂️ Requirements: 5+ years of backend development experience, Strong expertise in Java 17+, Experience with Spring Boot and Spring Security, Strong knowledge of Angular and TypeScript, Experience with PostgreSQL and Hibernate/JPA, Experience with microservices architecture, Hands-on experience with Maven, Git, GitHub, CI/CD, Knowledge of Kubernetes and Docker, Experience with SQL databases, Experience with REST API development, Experience with JUnit, AssertJ, Hamcrest, Bash/Shell scripting skills, Understanding of secure coding practices, Experience in Agile/Scrum environments, English level B2/C1 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, Angular, TypeScript, PostgreSQL, Hibernate, JPA, Maven, Git, GitHub, CI/CD, Kubernetes, Docker, SQL, REST, JUnit, AssertJ, Hamcrest, Bash, Liquibase, Helm, Kafka, Python, Go, C, Grafana, Prometheus, Kibana, OWASP, JIRA 🏢 Description: We are looking for an experienced Fullstack Engineer who will be responsible for designing, developing, and maintaining modern enterprise applications in a cloud-native architecture. The person in this role will work on both backend and frontend solutions (Java + Angular). Our expectations 5+ years of professional backend development experience Strong expertise in Java 17+ and Spring ecosystem (Spring Boot, Spring Security) Strong knowledge of Angular and frontend development with TypeScript Experience with PostgreSQL, Hibernate/JPA Experience with cloud-native and microservices architecture Hands-on experience with Maven, Git, GitHub, and CI/CD pipelines Knowledge of Kubernetes, Docker Experience with SQL databases and REST API development Familiarity with JUnit, AssertJ, and Hamcrest Bash/Shell scripting skills Strong understanding of secure coding practices and scalable application design Experience working in Agile/Scrum environments Good English communication skills (B2/C1) Welcome Skills Experience with Kafka and event-driven architecture Knowledge of Python scripting Familiarity with Go (Golang) or C Experience with monitoring and logging tools such as Grafana, Prometheus, and Kibana Knowledge of OWASP Top 10 and application security best practices Experience with JIRA or similar project management tools Previous experience in enterprise-scale distributed systems Key tasks Develop and maintain scalable backend applications using Java 17+ and Spring Boot Design and optimize PostgreSQL databases and manage schema migrations with Liquibase Build and maintain modern frontend applications using Angular Develop secure, high-performance, and cloud-native solutions Contribute to CI/CD pipelines and deployment automation Support containerized deployments using Docker, Kubernetes, and Helm Collaborate with distributed engineering teams in Agile environments Participate in architecture discussions, code reviews, and technical mentoring Ensure application reliability, scalability, and maintainability across backend and frontend layers

🏢 Summary: The offer is for a Java Backend Developer role focused on building and maintaining microservices-based systems using Java and Spring technologies. The position involves developing REST APIs, working with containerized applications, and contributing to Agile delivery processes. The role centers on backend engineering, technical design, and collaboration within cross-functional teams. 🗂️ Requirements: Minimum 3+ years professional experience in backend development, Proficiency in Java 8+, Strong experience with Spring Boot and Spring technologies, Experience building microservices, Experience working with REST APIs, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Understanding of microservices architecture and containerization, Experience with Kafka, Experience with Git and GitHub, Experience with Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, Kafka, HTTPS, SFTP, SOAP, Linux, Git, GitHub, Maven, Jenkins, Jira, MySQL, SQL, Containerization, Agile 🏢 Description: Job Description: We are looking for skilled Java Backend Developers with strong experience in Java, Spring technologies, and microservices architecture. The ideal candidate will have hands-on expertise in backend development, REST APIs, containerized applications, and Agile delivery environments. Qualifications: Minimum 3+ years of relevant professional experience Proficiency in Java 8+, REST APIs, Spring Boot, and Spring technologies Experience in building microservices and working with Kafka Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols Familiarity with Linux operating systems Strong understanding of microservices architecture and containerization Knowledge of Agile frameworks and principles Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira Competence with MySQL and SQL databases Strong analytical and problem-solving skills Excellent written and verbal communication skills Ability to collaborate effectively with Product, QA, DevOps, and Agile/Scrum teams Mandatory Skills: Java (Spring) REST APIs Spring Boot and Spring Technologies HTTPS, SFTP, REST API, and SOAP protocols Microservices architecture and containerization Git/GitHub, GitHub Actions, Maven, Jenkins, Jira MySQL and SQL databases Desired Skills: Strong analytical and troubleshooting abilities Excellent communication skills Team collaboration experience within Agile/Scrum environments Roles & Responsibilities: Contribute to technical design and engineering activities Develop strong domain expertise within the project Analyse functional and technical requirements Support architecture and design discussions Collaborate with Architecture and Business teams Participate in development, design, code reviews, and implementation Follow engineering best practices and support continuous improvement initiatives Out of Scope: Creating product requirements Acting as Scrum Master or Product Owner Project Details: Primary focus is on Java backend development.

🏢 Summary: Senior Java Developer role focused on designing and implementing enterprise-grade backend solutions using modern architecture principles. The position emphasizes high code quality, performance, security, and collaboration within a distributed team. The role involves working with Java 17+, Spring ecosystem, databases, and event-driven systems. 🗂️ Requirements: Minimum 5 years of commercial software development experience, Very good knowledge of Java 17+, Strong understanding of object-oriented design patterns, Experience with Spring MVC and Spring Data, Experience with Apache Kafka, Ability to design relational and non-relational databases (MS SQL, Oracle, Elasticsearch, Redis), Knowledge of software engineering best practices, English proficiency for technical documentation, Ability to work effectively in a distributed team 📃 Skills: Java, Spring, SpringMVC, SpringData, Kafka, MSSQL, Oracle, Elasticsearch, Redis, OOP, UML, Docker, Kubernetes, Azure, JavaScript, React, Python 🏢 Description: We are looking for an experienced Senior Java Developer with at least 5 years of commercial experience to join a team working on enterprise-grade backend solutions. The role focuses on designing and implementing software in a modern architecture, with a strong emphasis on code quality, performance, security, and effective collaboration within a distributed team. Responsibilities Design and implement software using hexagonal architecture. Develop backend solutions using Java 17+ and the Spring ecosystem. Ensure high code quality and compliance with agreed development standards. Analyse system performance, security, and stability, and propose improvements. Design and optimise data structures for relational and non-relational databases. Collaborate with a distributed team, participate in technical analysis, code reviews, and solution design. Identify technical challenges and propose improvements to architecture and implementation. Requirements Minimum 5 years of commercial software development experience. Very good knowledge of Java 17+. Strong understanding of object-oriented design patterns and software engineering best practices. Experience with the Spring stack, especially Spring MVC and Spring Data. Knowledge of Apache Kafka. Ability to design databases: relational: MS SQL, Oracle, non-relational: Elasticsearch, Redis. English skills sufficient to work with technical documentation. Strong analytical and creative problem-solving skills. Excellent communication skills and ability to work effectively in a distributed team. Nice to have Knowledge of scripting/frontend technologies such as JavaScript, React, Python. Experience working in an Azure cloud environment. Familiarity with Kubernetes and Docker. Ability to design system architecture and prepare High-Level Design (HLD) documentation. Knowledge of UML and flow diagrams.

🏢 Summary: The offer is for an experienced Backend Java Developer to design, develop, and support Java applications for savings and investment products within a financial institution. The role focuses on building calculation engines compliant with international tax regulations, integrating with tax authorities, and delivering customer-facing reporting solutions. It involves full software development lifecycle participation, collaboration with analysts, and mentoring team members in a hybrid work model in Poland. 🗂️ Requirements: Strong proficiency in Java 21, Experience with Spring Boot and Hibernate, Experience with relational databases and SQL, Knowledge of PostgreSQL, Knowledge of JMS and MQ messaging protocols, Familiarity with OpenAPI and AsyncAPI, Proficiency with Git, Experience with CI/CD pipelines, Understanding of software design patterns, Understanding of object-oriented programming principles, Ability to participate in full software development lifecycle 📃 Skills: Java, Spring, Hibernate, SQL, PostgreSQL, JMS, MQ, OpenAPI, AsyncAPI, Git, CI/CD 🏢 Description: Introduction & Summary: The position requires experienced Backend Java Developers to join a prominent financial institution. The ideal candidates will possess extensive knowledge in Java development, particularly within financial services, and demonstrate strong analytical and collaboration skills. This role will involve the design, implementation, and support of Java applications that manage essential financial products. Main Responsibilities: As a Backend Java Developer, you will be responsible for creating and maintaining robust Java applications. Key responsibilities include: Designing, developing, and enhancing Java applications supporting savings and investment products. Building calculation engines ensuring compliance with tax regulations across multiple countries. Integrating with tax authorities and generating customer-facing reports. Participating in the complete software development lifecycle, including requirements analysis, design, coding, testing, and deployment. Collaborating with financial analysts to transform requirements into technical solutions. Mentoring other developers and acting as a code reviewer. Utilizing AI-assisted development to improve productivity and quality. Key Requirements: Strong proficiency in Java (version 21) and related frameworks (Spring Boot, Hibernate). Experience with relational databases and SQL (PostgreSQL). Knowledge of messaging protocols such as JMS and MQ. Familiarity with OpenAPI and AsyncAPI for data management. Proficiency in version control systems (Git) and CI/CD pipelines. Understanding of software design patterns and object-oriented programming principles. Excellent collaboration and analytical skills. Nice to Have: Experience in financial services or related domains. Keen interest in emerging technologies. Other Details: This role is based in Poland with a hybrid work model requiring three days at the office from Gdańsk/Warsaw. The engagement focuses on enhancing financial solutions in the investment sector.

🏢 Summary: Senior Backend Engineer role focused on designing and developing scalable, reliable backend services using Java. The position involves working in a cross-functional team to build high-performance systems, improve architecture, and support CI/CD and production environments. 🗂️ Requirements: 5+ years Backend Engineering experience, Strong Java proficiency, Solid knowledge of databases and SQL, Experience with RESTful APIs, Experience with microservices architecture, Experience with high-load systems, Experience with Docker and Kubernetes, Experience with AWS or GCP, Knowledge of CI/CD pipelines, Understanding of Agile practices 📃 Skills: Java, SQL, REST, Microservices, Docker, Kubernetes, AWS, GCP, CI/CD, Golang, Python 🏢 Description: We are looking for a Senior Backend Engineer with strong Java experience to help us design and develop scalable solutions. You will work in a cross-functional team, building reliable services and contributing to the continuous improvement of our systems. This role is ideal for someone who enjoys solving complex problems and driving technical excellence. 💼 Responsibilities: Design, develop, and maintain backend features and services. Collaborate with teams to define requirements and integrate systems. Ensure performance, scalability, and reliability of applications. Contribute to CI/CD processes and support production systems. Write clear documentation and share knowledge within the team. ✅ Requirements: 5+ years of experience as a Backend Engineer, with strong Java skills (Golang/Python is a plus). Solid understanding of databases and SQL. Experience with RESTful API design, microservices, and high-load systems. Familiarity with Docker, Kubernetes, and cloud environments (AWS/GCP). Knowledge of CI/CD pipelines and Agile practices. Strong problem-solving and communication skills. 🎁 We offer: Stable employment in a fast-growing company. Flexible and remote-friendly working model. Health and wellbeing benefits. Learning and development opportunities. Modern equipment and comfortable work environment.

🏢 Summary: Senior Java Developer role focused on building and maintaining Java backend applications within a newly established center of excellence in a multinational environment. The position combines hands-on backend development with mentoring responsibilities, active participation in architecture discussions, and CI/CD practices. It offers a collaborative, non-hierarchical setup with a hybrid work model. 🗂️ Requirements: Higher education degree, 5+ years of experience in Java Backend development, Strong proficiency in Spring and Spring Boot, Experience with relational databases (Oracle, PostgreSQL, SQL), Experience with JPA and Hibernate, Knowledge of microservices-based and hexagonal architecture, Experience with CI/CD tools and practices, English proficiency at B2 level 📃 Skills: Java, Spring, SpringBoot, Oracle, PostgreSQL, SQL, JPA, Hibernate, Microservices, HexagonalArchitecture, CICD, Angular, AWS, Scrum, Agile 🏢 Description: Summary: The role of a Senior Java Developer involves contributing to the establishment of a center of excellence within a leading multinational company. The primary goal is to leverage strong Java development skills in a collaborative, innovative environment while mentoring junior developers. Responsibilities: * Join the establishment of a center of excellence. * Develop and maintain Java backend applications. * Mentor and coach junior team members (Senior role). * Facilitate onboarding and serve as a role model (Lead role). * Collaborate in a horizontal organization with no management hierarchy. * Engage in CI/CD practices and application architecture discussions. Must Haves: * Higher education degree. * Strong experience with Java Backend development (5+ years). * Proficiency in Spring/Spring Boot framework. * Experience with Relational Database Management Systems (Oracle, PostgreSQL, SQL). * Familiarity with JPA and Hibernate. * Knowledge of Application architecture (Microservices based, hexagonal…). * Proficiency in CI/CD tools. * English proficiency at B2 level. Nice to Haves: * Experience with Java Frontend frameworks (Angular or similar). * Familiarity with AWS or other cloud platforms. * Problem-solving skills and logical reasoning. * Passion for continuous learning and growth. * Experience in Agile environments and Scrum methodologies. Other Details: * Work Model: 4 days in-office initially, transitioning to 3 days in-office and 2 days remote. * Work Schedule: 43 hours/week in winter and 39 hours/week in summer with additional compensation days.

🏢 Summary: Senior Java Developer role focused on building and maintaining Java backend applications within a center of excellence, contributing to architecture decisions and CI/CD processes. The position involves working in a collaborative, non-hierarchical environment and mentoring junior developers. It requires strong backend expertise and active participation in modern microservices-based architectures. 🗂️ Requirements: Higher education degree, 5+ years of Java backend development experience, Strong knowledge of Spring and Spring Boot, Experience with relational databases (Oracle, PostgreSQL), Proficiency in SQL, Experience with JPA and Hibernate, Knowledge of microservices-based architecture, Experience with CI/CD tools and processes, English proficiency at B2 level 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, PostgreSQL, JPA, Hibernate, Microservices, CI/CD, Angular, AWS 🏢 Description: Summary: The role of a Senior Java Developer involves contributing to the establishment of a center of excellence within a leading multinational company. The primary goal is to leverage strong Java development skills in a collaborative, innovative environment while mentoring junior developers. Responsibilities: * Join the establishment of a center of excellence. * Develop and maintain Java backend applications. * Mentor and coach junior team members (Senior role). * Facilitate onboarding and serve as a role model (Lead role). * Collaborate in a horizontal organization with no management hierarchy. * Engage in CI/CD practices and application architecture discussions. Must Haves: * Higher education degree. * Strong experience with Java Backend development (5+ years). * Proficiency in Spring/Spring Boot framework. * Experience with Relational Database Management Systems (Oracle, PostgreSQL, SQL). * Familiarity with JPA and Hibernate. * Knowledge of Application architecture (Microservices based, hexagonal…). * Proficiency in CI/CD tools. * English proficiency at B2 level. Nice to Haves: * Experience with Java Frontend frameworks (Angular or similar). * Familiarity with AWS or other cloud platforms. * Problem-solving skills and logical reasoning. * Passion for continuous learning and growth. * Experience in Agile environments and Scrum methodologies. Other Details: * Work Model: 4 days in-office initially, transitioning to 3 days in-office and 2 days remote. * Work Schedule: 43 hours/week in winter and 39 hours/week in summer with additional compensation days.