Expert Java Developer

🏢 Summary: Role focused on developing backend services in Java (60%) and frontend features in Angular (40%) within an enterprise environment. The position involves building secure REST APIs, integrating messaging systems, and working with relational databases using modern DevOps and containerization practices. 🗂️ Requirements: Proficiency in Java 11 or 17, Experience with Spring ecosystem, Experience with JPA, Hibernate, JDBC, Knowledge of JWT and OAuth2, Experience with RabbitMQ or Kafka, Experience with Angular 8+, Experience with REST APIs, Strong SQL skills (MS SQL preferred), Experience with Maven, Experience with JUnit, Experience with Docker and Kubernetes or OpenShift, Experience with Git and Jenkins, Understanding of OOP, SOLID, ACID principles, Knowledge of C4 model 📃 Skills: Java, Spring, Hibernate, JPA, JDBC, JWT, OAuth2, RabbitMQ, Kafka, Angular, npm, d3, REST, SQL, MSSQL, Maven, Eclipse, IntelliJ, JUnit, Docker, Kubernetes, OpenShift, Git, Jenkins, OOP, SOLID, ACID, C4 🏢 Description: Requirements description Knowledge of the Java language and its Enterprise features for Back End development, including technologies such as: Java 11, 17 Spring Ecosystem (Spring MVC, Spring Boot, Spring Batch, Spring Security, etc.) Database Access (JPA, Spring Data JPA, Hibernate, JDBC) Security protocols and technologies (JWT, Oauth2) Messaging systems (RabbitMQ, Kafka) UI Angular 8+, npm, d3 REST API Knowledge of database programming via SQL (MS SQL preferable), including SQL SQL analyzing tools, like Query Plan Knowledge of Build tools like Maven. An IDE like Eclipse or IntelliJ. Knowledge of Unit testing tools like JUnit and unit testing strategies. Knowledge container and orchestrator such as Docker, Kubernetes (and/or OpenShift) Knowledge of CI/CD tools and mainly git, Jenkins Strong understanding of OOP, SOLID, and ACID principles Knowledge and understanding of C4 model. Knowledge of cloud solutions (AWS or Azure) and Redis will be additional asset Soft skills Good interpersonal skills and flexibility Teamwork Time management Your responsibilities Back-end development in Java (60%) and Front-end development in Angular(40%)

🏢 Summary: Full-stack developer role focused primarily on Java backend (60%) with Angular frontend (40%) responsibilities. The position involves designing REST APIs, integrating messaging systems, implementing security, and working with databases and CI/CD pipelines in a containerized environment. 🗂️ Requirements: Proficiency in Java 11 or 17, Experience with Spring ecosystem (MVC, Boot, Batch, Security), Experience with JPA, Hibernate, Spring Data JPA, JDBC, Knowledge of REST API design and development, Strong SQL skills with MS SQL, Ability to analyze SQL queries using Query Plan, Experience with JWT and OAuth2, Experience with RabbitMQ or Kafka, Experience with Angular 8+, Knowledge of Maven, Proficiency with Git and Jenkins, Experience with Docker and Kubernetes or OpenShift, Ability to write unit tests using JUnit, Understanding of OOP, SOLID, ACID principles, Knowledge of C4 model 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringBatch, SpringSecurity, JPA, Hibernate, JDBC, REST, SQL, MSSQL, QueryPlan, JWT, OAuth2, RabbitMQ, Kafka, Angular, npm, d3, Maven, Git, Jenkins, Docker, Kubernetes, OpenShift, JUnit, OOP, SOLID, ACID, C4 🏢 Description: Requirements description Knowledge of the Java language and its Enterprise features for Back End development, including technologies such as: Java 11, 17 Spring Ecosystem (Spring MVC, Spring Boot, Spring Batch, Spring Security, etc.) Database Access (JPA, Spring Data JPA, Hibernate, JDBC) Security protocols and technologies (JWT, Oauth2) Messaging systems (RabbitMQ, Kafka) UI Angular 8+, npm, d3 REST API Knowledge of database programming via SQL (MS SQL preferable), including SQL SQL analyzing tools, like Query Plan Knowledge of Build tools like Maven. An IDE like Eclipse or IntelliJ. Knowledge of Unit testing tools like JUnit and unit testing strategies. Knowledge container and orchestrator such as Docker, Kubernetes (and/or OpenShift) Knowledge of CI/CD tools and mainly git, Jenkins Strong understanding of OOP, SOLID, and ACID principles Knowledge and understanding of C4 model. Knowledge of cloud solutions (AWS or Azure) and Redis will be additional asset Soft skills Good interpersonal skills and flexibility Teamwork Time management Your responsibilities Back-end development in Java (60%) and Front-end development in Angular(40%)

🏢 Summary: Oferta dotyczy rozwoju i utrzymania aplikacji Java opartych na architekturze mikroserwisowej z wykorzystaniem Spring Boot i technologii chmurowych. Rola obejmuje projektowanie nowych funkcjonalności, udział w code review, współpracę w Scrum oraz tworzenie dokumentacji technicznej. Kandydat będzie pracować z REST API, Dockerem, Kubernetes oraz bazami SQL i NoSQL. 🗂️ Requirements: 4+ lata doświadczenia komercyjnego w Java, Znajomość Java 8+, Bardzo dobra znajomość Spring Boot, Znajomość Spring MVC/WebFlux, Znajomość wzorców projektowych, Doświadczenie z architekturą mikroserwisową, Znajomość REST API, Doświadczenie z Docker, Doświadczenie z Kubernetes, Znajomość baz danych SQL i NoSQL, Znajomość ORM, Doświadczenie z testami jednostkowymi i integracyjnymi, Znajomość JUnit, Znajomość Mockito, Znajomość Git, Znajomość CI/CD, Doświadczenie w Scrum, Znajomość Jira, Znajomość Confluence, Umiejętność tworzenia dokumentacji technicznej, Znajomość Linux/Unix, Komunikatywny język angielski 📃 Skills: Java, Spring, SpringBoot, WebFlux, SpringMVC, REST, Docker, Kubernetes, SQL, NoSQL, ORM, JUnit, Mockito, Git, CI/CD, Scrum, Jira, Confluence, Linux, Unix, AWS, Kafka, Python, Bash, JMeter, K6, Angular, React, Vue 🏢 Description: Zakres obowiązków: Rozwój i utrzymanie aplikacji Java w architekturze mikroserwisowej Projektowanie oraz implementacja nowych funkcjonalności zgodnie z wymaganiami biznesowymi Udział w code review oraz wsparcie techniczne zespołu Współpraca z programistami, testerami i analitykami w metodyce Scrum Tworzenie dokumentacji technicznej oraz praca z Jira i Confluence Wymagania: Min. 4 lata doświadczenia komercyjnego w Java (Java 8+) Bardzo dobra znajomość Spring Boot, Spring MVC/WebFlux oraz wzorców projektowych Doświadczenie z architekturą mikroserwisową, REST API oraz Docker/Kubernetes Praktyczna znajomość baz danych SQL i NoSQL oraz ORM Doświadczenie z testami jednostkowymi i integracyjnymi (JUnit, Mockito) Znajomość Git, CI/CD oraz pracy w środowisku Scrum (Jira, Confluence) Umiejętność analizy wymagań, projektowania rozwiązań i tworzenia dokumentacji technicznej Znajomość systemów Linux/Unix oraz języka angielskiego na poziomie komunikatywnym Mile widziane: Doświadczenie z AWS Znajomość Apache Kafka Praktyczna znajomość narzędzi DevOps i automatyzacji Znajomość Python lub Bash Doświadczenie z testami wydajnościowymi (JMeter, K6) Podstawowa znajomość technologii frontendowych (Angular, React lub Vue.js) Oferujemy: Prywatną opiekę medyczną Dofinansowanie karty sportowej Stałe wsparcie konsultanta Program rekomendacji pracowników

🏢 Summary: The offer is for a Senior QA Automation Engineer focused on API and event-driven systems testing within a CI/CD environment. The role involves building and maintaining automated tests in Java, integrating them into pipelines, and working with cloud and containerized infrastructure. The position requires strong experience in test automation, databases, and messaging systems. 🗂️ Requirements: 5+ years of experience in QA Automation, Strong commercial experience with Java, Experience with REST API automation using RestAssured or equivalent, Experience integrating automated tests into CI/CD pipelines, Solid SQL and relational database skills, Experience testing event-driven architecture and messaging systems, Experience with Docker and AWS, Experience with mocking tools (e.g., Wiremock), Fluent English communication skills 📃 Skills: Java, RestAssured, SQL, Kafka, Docker, AWS, Wiremock, CI/CD, Kubernetes, Pact, Grafana, Prometheus, Datadog, Kibana 🏢 Description: Mandatory technical criteria: Strong commercial experience with Java RestAssured or equivalent API automation in Java Experience integrating tests into CI/CD pipelines Solid SQL and relational database skills Experience testing event driven architecture, events / messaging (preferably Kafka but could be similar) Docker / AWS Mocking tools (Preferably using Wiremock) 5+ years of experience in QA Automation NICE-TO-HAVE or at least some experience: Kubernetes Contract Testing / Pact Observability and monitoring tools (Grafana, Prometheus, Datadog, Kibana) Other expectations: Bug prevention and fail-fast mindset Mindset for knowledge sharing Proven analytical ability, problem-solving and risk management skills Fluent communication in English

🏢 Summary: Mid-level Java Developer role focused on building and delivering software aligned with a long-term product roadmap, ensuring high-quality, user-centric solutions. The position involves full-cycle development, task estimation, and close collaboration within a cross-functional team. The role also requires active participation in CI/CD processes and hybrid work availability. 🗂️ Requirements: Mid-level experience with Java 8/17, Experience with Spring Boot and Hibernate, Experience with Maven and functional libraries, Proficiency in Oracle PL/SQL, Experience with Swagger for API documentation, Practical knowledge of CI/CD tools, Ability to work in hybrid model at least one day per week, Fluent English communication skills 📃 Skills: Java, Spring, Hibernate, Maven, Vavr, Oracle, PLSQL, Swagger, Bitbucket, Jenkins, Sonar, Kubernetes, ELK, CI/CD 🏢 Description: Key Responsibilities: Software Development: Build and deliver software according to project requirements and a multi-year product roadmap. User-Centric Design: Collaborate with the team to shape software functionality to best meet user expectations. Quality Assurance: Maintain high-quality solutions through thorough test coverage, code reviews, and a focus on user needs. Project Management: Perform task estimation, planning, and provide proactive status reporting to the team. Team Collaboration: Foster a supportive environment by sharing knowledge and assisting other team members. Technical Requirements: Java Stack: Solid mid-level experience with Java 8/17, Spring Boot, Hibernate, Maven, and functional libraries like vavr. Data & Messaging: Proficiency in Oracle PL/SQL, and API documentation using Swagger. DevOps Ecosystem: Practical knowledge of CI/CD tools including Bitbucket, Jenkins, Sonar, Kubernetes, and ELK. Soft Skills: A collaborative "team player" attitude with the ability to communicate fluently in English. Work Model: Ability to work in a hybrid setup, including at least one day per week.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining scalable backend solutions within a DevOps-driven environment. The role involves full software development lifecycle participation, cloud integration, and performance optimization. The position requires collaboration in Agile teams and ensuring high code quality and seamless deployment processes. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments, Experience implementing CI/CD practices, Ability to optimize application performance and scalability 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOps, CI/CD, Agile 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining robust backend systems while supporting full software development lifecycle and DevOps practices. The role involves working in Agile teams, ensuring high performance, scalability, and seamless integration of applications. The position also emphasizes containerization and cloud-based solutions using Azure. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOpsServer, Agile, DevOps, Microservices 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: Senior Software Engineer role focused on designing and delivering high-quality .NET C# solutions within a microservices and event-driven architecture. The position involves hands-on development, technical leadership, code reviews, incident response, and driving architectural decisions in an Agile environment. The engineer will work with modern technologies to build scalable systems and mentor other team members. 🗂️ Requirements: Bachelor’s degree in Computer Science or related field, 5+ years of experience as a Software Engineer with .NET C#, Strong experience with microservice architectures, Experience with event-driven architectures and messaging systems, Hands-on experience with PostgreSQL and other databases, Experience working with CI/CD pipelines, Ability to solve complex technical problems independently, Experience working in Agile environments, Technical leadership and mentoring experience, Fluency in English 📃 Skills: .NET, C#, Kafka, PostgreSQL, Elasticsearch, Redis, Angular, Pulsar, RabbitMQ, CI/CD, Microservices, Agile 🏢 Description: Main tasks and responsibilities Being comfortable with experimentation and willing to approach a problem in multiple ways via rapid prototyping. Writing clean, maintainable code using .NET C#, along with other modern tools such as Kafka, PostgreSQL, and Elasticsearch. Regularly delivering high-quality, working software as part of the team. Building a deep, expert understanding of the team’s codebase. Providing highly insightful, comprehensive code reviews with an eye towards bigger-picture concepts. Ensuring documentation exists for all critical systems and writing technical guides used widely by other Engineers. Monitoring dashboards/alerts, and responding to incidents with the appropriate level of urgency. Driving technical decision making, expertly identifying trade-offs and risks, and considering organization-wide technical alignment. Effectively diagnosing the root cause of complex bugs and providing a fix along with automated regression tests. Leading specifications and refinement of technical improvements. Mentoring, coaching, and empowering other engineers by sharing knowledge through demos and presentations. Key requirements Education Level: Bachelor’s (or equivalent) degree in Computer Science or a related field. Experience: At least 5+ years of experience as a Software Engineer, working with .NET C#. Required Technical Skills: Understanding of how to apply microservice architectures successfully, with knowledge of multiple patterns and techniques, and the tradeoffs of each. Experience with Front-End technologies like Angular is a plus. Experience with event-driven architectures and event streaming/messaging tools like Kafka (preferred), Pulsar, RabbitMQ, etc. Experience using databases - PostgreSQL, Redis, Elasticsearch, etc., understanding which database is best deployed, depending on the use case. Accustomed to working in environments with CI/CD pipelines used for deploying applications. Proven ability to identify opportunities for best practice improvements within the team and share knowledge in order to address them. Ability to tackle highly complex technical problems independently. Track record of quickly learning about complex architectures and codebases. Experience in working in an Agile environment. Technical leadership experience, including mentoring other Engineers. Other Required Skills: Fluency in English; Portuguese is a plus. Excellent communication skills, able to communicate clearly and effectively, adjusting style depending on the audience.

🏢 Summary: Technical role focused on building and supporting back-end and front-end services within a global financial platform, using modern Java and React technologies. The position involves migrating legacy systems to microservices-based architectures, improving automation, and enhancing straight-through processing capabilities. Work is delivered in an agile environment with emphasis on scalability and cost optimization. 🗂️ Requirements: Proficiency in Java 11 or higher, Experience with Kubernetes, Experience with Git, Fluency in Unix-based systems and CLI, Strong knowledge of SQL and database technologies, Experience with RESTful microservices and APIs, Knowledge of HTTP web technologies, Experience with JavaScript, Understanding of React 📃 Skills: Java, React, Kubernetes, Git, Unix, SQL, Oracle, REST, API, HTTP, JavaScript, Spring, SpringBoot, WebSphere, Microservices 🏢 Description: Summary You will support the delivery of projects within the Clients platform, enabling seamless global financial transactions through effective analysis and agile design. Main Responsibilities Building and supporting services, microservices, and applications (both back-end & front-end) using Java versions 11/17/21 and ReactJS, while maintaining standard products. Reducing costs and complexity by migrating from mainframe and IBM WebSphere to modern approaches using integration layers such as APIs or microservices patterns. Decreasing testing costs by adopting automation testing frameworks. Increasing Straight-Through-Processing (STP) capabilities of services. Key Requirements Proficiency in Java (11+ essential, 17+ preferable). Experience with Kubernetes. Familiarity with Git. Fluency in Unix-based systems and command-line interfaces. Solid understanding of database technologies and SQL (Oracle preferred). Experience with RESTful microservices and APIs. Knowledge of HTTP Web technologies including JavaScript and preferably React. Nice to Have Experience working in a DevOps delivery team. Understanding of application monitoring. Knowledge of Spring/Spring Boot.

🏢 Summary: IT role focused on designing and developing a modular AI-driven decision system integrating asynchronous communication with AI models and business processes. The project involves building microservices, Big Data processing components, and CI/CD-based deployments in a hybrid work model. Work is delivered in Agile sprints with strong emphasis on automation, scalability, and modern architecture. 🗂️ Requirements: Experience in designing and developing IT systems, Strong knowledge of Java, Strong knowledge of Python, Knowledge of object-oriented programming, Experience with Big Data technologies, Experience in building microservices or REST APIs, Experience with Docker, Experience with Kubernetes, Experience with CI/CD tools, Knowledge of SQL, Experience with PostgreSQL, Providing services from Poland, Hybrid work availability – once a week in Warsaw office 📃 Skills: Java, Python, Hadoop, Spark, Kafka, NiFi, Elasticsearch, Hive, Flink, Docker, Kubernetes, Bamboo, Jenkins, SQL, PostgreSQL, Spring, SpringBoot 🏢 Description: Wymagania must have: • doświadczenie w projektowaniu i programowaniu systemów IT • bardzo dobra znajomość języków Java i Python oraz zasady programowania obiektowego i tworzenia czystego kodu • doświadczenie w pracy z technologiami Big Data jak Hadoop, Spark, Kafka, NiFi, Elasticsearch, Hive, Flink, etc • doświadczenie w tworzeniu mikroserwisów i/lub usług typu REST API • doświadczenie w osadzaniu aplikacji na Docker oraz Kubernetes • doświadczenie w pracy z narzędziami CI/CD (Bamboo, Jenkins) • znajomość SQL oraz doświadczenie z pracą z bazami danych (preferowany PostgreSQL) • mile widziane doświadczenie w tworzeniu oprogramowania z wykorzystaniem Spring Framework, Spring Boot • Świadczenie usług z terytorium Polski • Świadczenie usług hybrydowo - 1 raz w tygodniu z biura w centrum Warszawy Wymagania nice to have • mile widziana znajomość rozwiązań NoSQL (MongoDB, HBase) • mile widziana znajomość IntelliJ IDEA/Pycharm oraz umiejętność pracy z GIT • znajomość języka angielskiego umożliwiająca czytanie dokumentacji technicznej • znajomość metodyki Agile (Scrum) Dołącz do zespołu specjalistów IT i weź udział w tworzeniu innowacyjnego projektu, który łączy sztuczną inteligencję, automatyzację procesów i nowoczesne podejście do architektury systemów. Pracujemy w sprintach dwutygodniowych, co pozwala nam szybko wdrażać pomysły i rozwijać rozwiązania w dynamicznym środowisku. Projekt obejmuje budowę centralnego modułu decyzyjnego, który wybiera najlepsze modele AI i dba o ich skuteczność. Tworzymy także moduł wejściowy do przetwarzania maili, który automatycznie rozpoznaje i klasyfikuje treści, oraz moduł weryfikacji danych, zapewniający zgodność i rzetelność informacji. Kluczowym elementem jest integracja z modelami AI – komunikacja odbywa się w sposób asynchroniczny, a wyniki są przygotowywane tak, by mogły być wykorzystane w dalszych procesach biznesowych. Całość kończy się przekazaniem spójnego komunikatu do systemu który uruchamia kolejne działania. Od strony technologicznej stawiamy na modularność, CI/CD i nowoczesne narzędzia (Kafka, NiFi, HCP), co pozwala łatwo rozwijać system i podłączać nowe modele czy usługi. Projekt przewiduje także przyszłe rozszerzenia, takie jak inteligentne tagowanie dokumentów czy integracja z repozytoriami. To wyjątkowa okazja, aby pracować nad projektem, który realnie przesuwa granice wykorzystania AI w biznesie. Jeśli chcesz rozwijać się w środowisku, gdzie liczy się innowacja, szybkość działania i współpraca zespołowa.