April 28, 2026

Java Developer

Mid • Hybrid

150 - 190 PLN

Warsaw, Poland

  • On-site work from Warsaw (5 days per week from the Client's office) 

  • Full availability in the Polish time zone

  • Polish language is required

  • English: at least B2


Tasks

  • Design and implementation of IT solutions based on analytical and technical documentation

  • Review and improvement of analytical documentation

  • Creation and maintenance of technical documentation

  • Technical upgrades and modernization of an existing system (including migration to Java 17 and newer technologies like Spring Boot)

  • Work with legacy code and monolithic architecture (Java 8-based system)

  • Reverse engineering based on:

    • existing source code

    • functional and technical documentation

    • documented business processes

    • system UI and database access

  • Participation in transformation of a monolithic TMS system (POS terminal management) towards microservices architecture

  • Defining, designing and implementing automated test cases (including regression testing)

  • Identification of areas for test automation based on code and documentation

  • Work with system security improvements and vulnerability mitigation

  • Close cooperation with operational and development teams (~50% analytical work / ~50% development)

  • Working in Scrum (2-week sprints) in a small development team

  • Supporting system evolution and rollout to new markets (e.g. Germany)

Requirements

  • Very good knowledge of Java (8+) and object-oriented programming (experience with Java 17 is a plus)

  • At least 5+ years of experience (Regular/Senior level)

  • Experience in independent design, implementation, documentation and testing of application components

  • Strong analytical skills and ability to work with legacy systems

Very good practical knowledge of:

  • Spring / Spring Boot

  • Hibernate / JPA

  • JEE

  • RESTful API design

  • Relational databases (especially Oracle)

Practical experience with:

  • Message queues (RabbitMQ)

  • System integration and distributed systems

  • Application servers (JBoss / WildFly)

  • Development tools: Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira

  • Docker

Nice to have:

  • Experience with Linux environments

  • Knowledge of code scanning tools (Fortify, Sonatype)

  • Experience with AI-supported development tools (Codex)

Offer

  • Multisport card

  • Private healthcare

  • Access to an e-learning platform

  • Group life insurance

Similar jobs you might like

Technology

Crestt

Senior Java Developer  - (TMS - Terminal Management System)

Senior

Hybrid

Warsaw, Poland

140 - 190 PLN

🏢 Summary: 1-year project for a Senior Java Developer to design, implement, upgrade, and maintain a complex Terminal Management System handling 300k+ payment terminals. The role involves working with legacy code, distributed systems, system integrations, and ensuring application security through regular vulnerability scans. The system is based on Java and Spring ecosystem with intensive use of messaging and transactional mechanisms. 🗂️ Requirements: Very good knowledge of Java 8+, Strong understanding of object-oriented programming, Experience in designing and implementing application components, Practical knowledge of Spring and Spring Boot, Practical knowledge of SQL and relational databases, Experience with Hibernate and JPA, Knowledge of JEE frameworks, Experience with RabbitMQ or other message queues, Knowledge of Maven and Git, Experience with Gitlab and CI/CD pipelines, Experience with Jenkins and Nexus, Knowledge of Oracle database, Experience in RESTful API design, Experience in system integration, Experience with distributed systems, Experience with JBoss or WildFly, Knowledge of security scanning tools (Fortify, Sonatype) 📃 Skills: Java, Spring, SpringBoot, SQL, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, Gitlab, CICD, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, GWT, GWTExt, SOAP, RMI 🏢 Description: Senior Java Developer (TMS) •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; •         Technical upgrade for existing system; •         Working with legacy code •         Conducting regular scans in the application and removing vulnerabilities Job Requirements • Fully available in the Polish time zone; • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have: ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. 1 year project with possibility for hiring after this time.

Technology

Crestt

Senior Java Developer - (TMS - Terminal Management System)

Senior

Hybrid

Warsaw, Poland

130 - 147 PLN

🏢 Summary: Senior Java Developer role focused on designing, implementing, and maintaining a large-scale Terminal Management System handling 300k+ payment terminals. The position involves working with distributed systems, legacy code, system integrations, and security vulnerability remediation in a hybrid Warsaw-based setup. The project includes migration from legacy architecture to Spring Boot-based services with potential long-term hiring after the initial one-year contract. 🗂️ Requirements: Availability in the Polish time zone, Ability to work from the Warsaw office 4 days per week, Java 8+ proficiency, Object-oriented programming knowledge, Experience designing and implementing application components, Experience documenting and testing application components, Spring knowledge, Spring Boot knowledge, SQL knowledge, Scrum knowledge, Hibernate/JPA knowledge, JEE knowledge, RabbitMQ experience, Maven knowledge, Git knowledge, GitLab knowledge, GitLab CI/CD knowledge, Jenkins knowledge, Nexus knowledge, Jira knowledge, Oracle database knowledge, RESTful API design experience, System integration experience, Distributed systems experience, JBoss/WildFly experience, Fortify knowledge, Sonatype knowledge, English level B2 📃 Skills: Java, Spring, SpringBoot, SQL, Scrum, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, SOAP, RMI, GWT, GWTExt, Angular, Linux, Docker 🏢 Description: Senior Java Developer (TMS) •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; •         Technical upgrade for existing system; •         Working with legacy code •         Conducting regular scans in the application and removing vulnerabilities Job Requirements • Fully available in the Polish time zone; • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have: ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. 1 year project with possibility for hiring after this time.

Technology

emagine Polska

FullStack Developer Java & React (50% React, 50% Java)

Senior

Hybrid

Krakow, Poland

200 - 200 PLN/hr

🏢 Summary: Long-term B2B opportunity for a senior engineer to deliver production-ready code and shape system architecture in a microservices environment. The role combines hands-on Java and React development with architectural responsibilities in a global, collaborative setup. It focuses on high-frequency delivery and technical excellence within the financial sector. 🗂️ Requirements: Strong Java experience (latest versions), Strong React experience, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Proven high-frequency code delivery, Experience in banking or financial sector 📃 Skills: Java, React, Microservices, REST, PostgreSQL, Banking, Docker, Kubernetes 🏢 Description: Working mode : Hybrid - 6 days per month at the Warsaw 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.

Technology

Crestt

Analyst - Senior Java Developer - TMS

Senior

Hybrid

Warsaw, Poland

140 - 190 PLN

🏢 Summary: The role combines Senior Java Development (70%) with system analysis (30%) for a complex Terminal Management System managing 300k+ payment terminals. It involves designing, upgrading and integrating distributed system components, working with legacy code, and supporting migration to Spring Boot-based architecture. The project includes system integration, reverse engineering, automated testing and vulnerability remediation in a large-scale enterprise environment. 🗂️ Requirements: Very good knowledge of Java 8+ (17–21), Strong object-oriented programming knowledge, Experience in independent design, implementation, documentation and testing of application components, Very good practical knowledge of Spring and Spring Boot, Very good practical knowledge of Hibernate/JPA and JEE, Strong SQL knowledge, Knowledge of relational databases, especially Oracle, Experience with message queue systems (RabbitMQ), Practical knowledge of RESTful API design, Experience with distributed systems, Experience with system integration, Experience with application servers (JBoss/WildFly), Knowledge of Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira, Knowledge of Scrum methodology, Knowledge of scanning tools (Fortify, Sonatype), Ability to work from Warsaw office 4 days per week 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, SQL, Oracle, RabbitMQ, REST, Maven, Git, GitLab, Jenkins, Nexus, Jira, JBoss, WildFly, Hazelcast, SOAP, RMI, GWT, GWTExt, Fortify, Sonatype, Scrum 🏢 Description: Analyst (70%) Senior Java Developer (30%) Terminal Management System •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; • Technical upgrade for existing system; • Working with legacy code • Reverse engineering based on: o existing source code o existing functional and technical documentation o collected and documented business processes, o user interface to the system and accessing databases • Defining and building test cases for automatic tests Job Requirements • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ (17 - 21) and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have : ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. TMS is subjected to regular application scans and vulnerabilities removal 1 year project with possibility for hiring after this time.

Technology

Crestt

Analyst - Senior Java Developer - TMS

Senior

Hybrid

Warsaw, Poland

140 - 147 PLN

🏢 Summary: Role combining business analysis and senior Java development for a large-scale Terminal Management System, focused on designing, upgrading, integrating, and maintaining distributed enterprise applications. The project involves legacy system modernization, reverse engineering, automated testing, and work with complex integrations and distributed transactions. Hybrid work model in Warsaw with a 1-year contract and potential long-term hiring. 🗂️ Requirements: Work from Warsaw office 4 days per week, Java 8+, Object-oriented programming, Spring, Spring Boot, SQL, Scrum, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, CI/CD, Jenkins, Nexus, Jira, Oracle, REST, System integration, Distributed systems, JBoss, WildFly, Fortify, Sonatype, English B2, Experience in design and implementation of application components, Experience with documentation and testing 📃 Skills: Java, Spring, SpringBoot, SQL, Scrum, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, SOAP, RMI, GWT, GWTExt, Angular, Linux, Docker 🏢 Description: Analyst (70%) Senior Java Developer (30%) Terminal Management System •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; • Technical upgrade for existing system; • Working with legacy code • Reverse engineering based on: o existing source code o existing functional and technical documentation o collected and documented business processes, o user interface to the system and accessing databases • Defining and building test cases for automatic tests Job Requirements • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ (17 - 21) and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have : ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. TMS is subjected to regular application scans and vulnerabilities removal 1 year project with possibility for hiring after this time.

Technology

P&P Solutions

JVM Software Engineer

Mid

Hybrid

Warsaw, Poland

90 - 120 PLN/hr

🏢 Summary: Long-term B2B opportunity for a Senior Java Developer to modernize and develop a large-scale CRM platform, focusing on migrating a legacy JBoss monolith to a Spring Boot-based domain-driven architecture. The role involves backend development, system modernization, database migration, and collaboration within cross-functional teams. Work is delivered in a hybrid model within an established development department. 🗂️ Requirements: Commercial experience with Java 21+, Experience with REST API development, Strong knowledge of Spring and Spring Boot, Experience with unit and integration testing (Mockito, Testcontainers, JUnit 5), Proficiency with Git, Experience using Swagger, Ability to work with IntelliJ, Experience with JBoss or JEE5, Knowledge of SQL (Postgres or Sybase), English level B2/C1 📃 Skills: Java, REST, Spring, SpringBoot, JUnit, Mockito, Testcontainers, Git, Swagger, IntelliJ, JBoss, JEE, SQL, Postgres, Sybase, React, Kubernetes, Jenkins, JBPM, Swing, JavaFX 🏢 Description: Client: A leading German telecommunications and IT corporation Start date: ASAP Locations: Warszawa, Poznań, Lublin Work model: hybrid with 3 days/week from the office Engagement: Long-term Form of cooperation: B2B, full-time Working hours: Standard business hours About our client: A leading German telecommunications and IT corporation, recognized for innovative solutions in cloud computing, web hosting, and internet services, is expanding its European Technology Center in Poland. The company is building strong development teams in Warsaw, Poznan, and Lublin to support its long-term digital transformation initiatives. About the project & team: You will join an established development team consisting of three experienced Java developers and one test manager. This team is part of a larger department that includes over 20 developers across several cross‑functional teams. The department is responsible for the company’s core CRM platform, which includes multiple frontends (Java Swing, JavaFX, React) and numerous backend services built in technologies such as JBoss 4/7, WildFly 10, Spring Boot, and Spring Batch. The primary focus of your future team is the modernization of the CRM system, including the migration of business logic from a legacy monolithic JBoss 4 application to a modern, domain‑driven architecture using Spring Boot. Future development includes building new React-based frontends, enhancing backend services, and modernizing database layers (e.g., Sybase migrations). You will work within a stable, collaborative setup, contributing to high-impact solutions used across the organization. Must‑have skills: Java >21 REST Spring / Spring Boot Unit- and Integrations-Tests (Mockito, Testcontainers, JUnit 5) Git Swagger IntelliJ Nice to have skills: Kubernetes JEE5 (JBOSS) SQL (Optimal: Postgres, Sybase) Java Swing or JavaFX JBPM Jenkins (CI/CD) English Level: B2/C1 Responsibilities: Develop and maintain backend services within a large CRM platform. Migrate business logic from a monolithic JBoss 4 system to Spring Boot microservices. Participate in building new frontends (React) and extending backend functionalities. Contribute to database modernization, including migration of Sybase logic. Collaborate closely with developers and the team’s test manager. Ensure high code quality through unit and integration testing. Use best practices in CI/CD, version control, and modern development standards. What We Offer: Competitive compensation: up to 120 PLN/h netto on a B2B contract Flexible settlements: Payments issued in your preferred form Fast invoicing: Short 14‑day payment terms Comprehensive healthcare: Extended private medical care package My Benefit platform: Access to a cafeteria system including Multisport cards and prepaid vouchers (e.g., IKEA, Zalando, Notino, and more)

Technology

RTB House

Distributed Systems Engineer

Senior

Remote

Warsaw, Poland

160 - 210 PLN

🏢 Summary: The offer is for a software engineer role focused on designing and optimizing high-performance, low-latency systems handling over 24 million queries per second. The position involves building scalable and reliable distributed components, improving performance, and developing monitoring and testing tools in a production environment. The role emphasizes high availability, scalability, and working with modern cloud and data technologies. 🗂️ Requirements: Proficiency in programming, Strong understanding of complex IT systems from hardware to algorithms, Knowledge of Internet protocols (DNS, HTTP, cookies), Knowledge of concurrent programming and distributed systems, Experience with monitoring and analyzing production systems, Ability to optimize system performance and resolve performance issues, Knowledge of high scalability and high availability concepts, C1 level English, C1 level Polish 📃 Skills: Java, Python, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite, DNS, HTTP 🏢 Description: You Will: Design and programming of a wide range of modules and components as part of a system that supports over 24M queries per second and low latency. Work on the optimization of the developed software in terms of response time and resource consumption Ensure the reliability and scalability of the solutions built Create performance and correctness tests for new system components Analyse new technologies in terms of their applicability in production conditions Develop tools for monitoring and analysing the operation of the production system Continuous optimization of existing tools and processes Desired Experience: Proficiency in programming Excellent understanding of how complex IT systems work (from the hardware level, through software, to algorithmics) Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others) Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to continent level) Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it) The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production) General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability' C1 level in English and Polish Selected Technologies: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – clean code and solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Access to modern technologies and the opportunity to apply them in large-scale, high-impact projects. Cooperation based on B2B contract. You can cooperate 100 % remotely or choose one of our office spaces in Warsaw or Cracow. Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

Technology

HAYS Poland

Senior Java Developer

Senior

Hybrid

Warsaw, Poland

130 - 180 PLN/hr

🏢 Summary: B2B contract for a Senior Java Developer to design, implement, and modernize a large-scale Terminal Management System handling 300k+ payment terminals. The role focuses on developing and migrating distributed systems components using Spring Boot and WildFly, integrating multiple internal and external services, and improving security through vulnerability scanning and upgrades. 🗂️ Requirements: Very good knowledge of Java 8+, Strong object-oriented programming skills, Experience in designing, implementing, documenting and testing application components, Very good practical knowledge of Spring and Spring Boot, Very good practical knowledge of Hibernate/JPA and JEE, Experience with message queue systems, especially RabbitMQ, Knowledge of Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira, Knowledge of relational databases, particularly Oracle, Practical knowledge of RESTful API design, Experience in system integration, Experience with distributed systems, Experience with JBoss/WildFly application servers, Knowledge of security scanning tools (e.g., Fortify, Sonatype), Availability to work 4 days per week from Warsaw office, Full availability in Polish time zone 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, GWT, GWTExt, SOAP, RMI 🏢 Description: The client is an American multinational company in the fintech industry Key details: Location: 4 days/week from the Warsaw office Rate: 130–180 PLN/hour net + VAT Job type: B2B contract Duration: 12 months + extensions Recruitment process: 2 stages English and Polish: B2/B2+ Luxmed, MultiSport, equipment provided by the client Job Responsibilities Design and implementation of IT solutions based on the presented analytical and technical documentation; Reviewing analytical documentation; Creating technical documentation; Technical upgrade for existing system; Working with legacy code Conducting regular scans in the application and removing vulnerabilities Job Requirements Fully available in the Polish time zone; Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day WFH ); Very good knowledge of Java 8+ and object-oriented programming issues; Experience in independent design, implementation, documentation and testing of application components; Very good and p ractical knowledge of Spring, Spring Boot, Hibernate/JPA and JEE frameworks; Practical knowledge with message queue systems, particularly RabbitMQ; Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; Knowledge of relational databases, in particular Oracle; Practical knowledge of RESTful API design; Experience in system integration; Experience with distributed systems; Experience with application servers, JBoss/WildFly; Knowledge of scannnfg tools (Fortify, Sonatype..) Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361

Technology

emagine Polska

Java Test Automation Engineer

Mid

Hybrid

Gdansk, Poland

🏢 Summary: Full-time Test Automation Lead role in the banking sector focused on building and optimizing automated testing processes for collateral management systems within a Continuous Delivery environment. The position emphasizes developing scalable test frameworks, integrating CI/CD pipelines, and ensuring high performance and quality standards. Collaboration with Development, DevOps, and Product teams is central to delivering robust automation solutions. 🗂️ Requirements: 3+ years experience with Java Framework or similar, 3+ years experience with Java, Experience with REST API testing, Experience with Maven, Experience with SQL queries, Experience with database systems, Experience with Jenkins or Bamboo, Experience with JIRA, Experience with Bitbucket, Experience with Git, Ability to build and maintain CI/CD pipelines, Experience with Selenium and test automation frameworks, English and Polish proficiency 📃 Skills: Java, Selenium, REST, Maven, SQL, Jenkins, Bamboo, JIRA, Bitbucket, Git, Docker, CI/CD, Databases 🏢 Description: 🌍Location: 2 days from the office in Gdansk. ⏰Start date for assignment: ASAP/1 month. 💰Rate: up to 140  zl/h B2B. ⏳Duration of assignment: > 12 months + extensions. 📕Language: English + Polish. ⚙️Industry: banking. 💻Workload: Full time. The role focuses on leading test automation initiatives, particularly ensuring the performance and quality of collateral management systems through efficient testing processes. Main Responsibilities: Build and manage test processes within our continuous delivery environment, ensuring seamless integration with development workflows. Automate test processes whenever possible, creating robust, maintainable, and scalable testing solutions. Collaborate closely with Development, DevOps, and Product Management teams in a fast-paced Continuous Delivery environment. Handle test data preparation, management, and automation for complex scenarios. Analyze test results and manage defect reporting to maintain high-quality standards across all deliveries. Implement Selenium libraries as extensions to Java Framework, enhancing our testing capabilities and understanding of patterns such as the Page Object Model. Build and maintain CI/CD pipelines specifically designed for test libraries and automation frameworks. Identify and implement process improvements and automation solutions for day-to-day testing challenges. Key Requirements: 3+ years of hands-on experience with Java Framework or similar frameworks. Good knowledge of REST API testing. 3+ years of experience in Java with Maven and SQL queries . 3+ years of practical experience with various database systems. Hands-on experience with Jenkins or Bamboo, JIRA, Bitbucket, and Git. Strong analytical and problem-solving skills. Nice to Have: Experience with Continuous Integration and containerization using Docker. Proficiency in managing automated testing on large-scale data infrastructure. Experience with Atlassian Suite (Confluence, JIRA). Solid understanding of financial service environments. ISTQB Foundation Certificate. Other Details: Collaborative environment with Development, DevOps, and Product Management teams operational framework for managing legal security documents. This position emphasizes a team-oriented approach in facilitating test automation initiatives.

Technology

emagine Polska

Test Automation Engineer

Mid

Hybrid

Gdansk, Poland

🏢 Summary: Full-time Test Automation Engineer role in the banking sector focused on leading and implementing automated testing for collateral management systems within a Continuous Delivery environment. The position involves building scalable test frameworks, integrating automation with CI/CD pipelines, and ensuring high quality through robust API and database testing. The assignment is long-term with close collaboration across Development and DevOps teams. 🗂️ Requirements: 3+ years of experience with Java and Java-based test frameworks, 3+ years of experience with Maven and SQL, 3+ years of experience with database systems, Experience with REST API testing, Hands-on experience with Jenkins or Bamboo, Hands-on experience with JIRA, Bitbucket, and Git, Experience building and maintaining CI/CD pipelines, Experience with Selenium and Page Object Model, Experience in test automation within Continuous Delivery environment 📃 Skills: Java, Maven, SQL, REST, Selenium, Jenkins, Bamboo, JIRA, Bitbucket, Git, CI/CD, Docker, Databases 🏢 Description: 🌍Location: 2 days from the office in Gdansk. ⏰Start date for assignment: ASAP/1 month. 💰Rate: up to 140  zl/h B2B. ⏳Duration of assignment: > 12 months + extensions. 📕Language: English + Polish. ⚙️Industry: banking. 💻Workload: Full time. The role focuses on leading test automation initiatives, particularly ensuring the performance and quality of collateral management systems through efficient testing processes. Main Responsibilities: Build and manage test processes within our continuous delivery environment, ensuring seamless integration with development workflows. Automate test processes whenever possible, creating robust, maintainable, and scalable testing solutions. Collaborate closely with Development, DevOps, and Product Management teams in a fast-paced Continuous Delivery environment. Handle test data preparation, management, and automation for complex scenarios. Analyze test results and manage defect reporting to maintain high-quality standards across all deliveries. Implement Selenium libraries as extensions to Java Framework, enhancing our testing capabilities and understanding of patterns such as the Page Object Model. Build and maintain CI/CD pipelines specifically designed for test libraries and automation frameworks. Identify and implement process improvements and automation solutions for day-to-day testing challenges. Key Requirements: 3+ years of hands-on experience with Java Framework or similar frameworks. Good knowledge of REST API testing. 3+ years of experience in Java with Maven and SQL queries . 3+ years of practical experience with various database systems. Hands-on experience with Jenkins or Bamboo, JIRA, Bitbucket, and Git. Strong analytical and problem-solving skills. Nice to Have: Experience with Continuous Integration and containerization using Docker. Proficiency in managing automated testing on large-scale data infrastructure. Experience with Atlassian Suite (Confluence, JIRA). Solid understanding of financial service environments. ISTQB Foundation Certificate. Other Details: Collaborative environment with Development, DevOps, and Product Management teams operational framework for managing legal security documents. This position emphasizes a team-oriented approach in facilitating test automation initiatives.