Java backend Developer

19 godzin temu


Warszawa, mazowieckie, Polska DCV Technologies Pełny etat

Dear Consultant,


We are seeking a talented Java Backend Developer to join our multinational client team and contribute to building scalable, secure, and high-performance backend systems. This role involves working with modern technologies, including event-driven architectures, microservices, and cloud-based solutions. Finacial sector expereince is a plus.


Key Responsibilities

  1. Backend Development:
  • Design, develop, and maintain backend systems using Java, Spring Boot, and RESTful APIs.
  • Implement websocket communication and event-driven architecture for real-time applications.
  • Develop highly scalable microservices.
  1. Messaging and Streaming:
  • Work with Kafka for messaging and streaming solutions.
  • Implement and manage RX Java for reactive programming.
  1. Database Management:
  • Manage and optimize databases like Cassandra and other NoSQL/SQL databases.
  • Ensure high availability and performance through advanced query optimization.
  1. Cloud and Containerization:
  • Deploy, scale, and monitor applications using Kubernetes, Helm, and OpenShift.
  • Utilize Docker for containerization and CI/CD integration with Jenkins.
  1. Monitoring and Observability:
  • Implement monitoring solutions using Prometheus, Elastic Stack (Elasticsearch, Kibana).
  • Set up observability tools to ensure system reliability.
  1. DevOps Collaboration:
  • Collaborate with DevOps teams for CI/CD processes and deployment automation.


Required Skills and Qualifications


Core Skills

  • Proficiency in Java, Spring Framework, and Spring Boot.
  • Strong knowledge of REST APIs and WebSocket.
  • Experience with event-driven programming, messaging systems, and streaming solutions like Kafka.
  • Expertise in microservices architecture and distributed systems.

Tools and Technologies

  • Hands-on experience with OpenShift, Kubernetes, and Helm.
  • Knowledge of Docker and CI/CD pipelines (e.g., Jenkins).
  • Familiarity with monitoring tools such as Prometheus, Elastic Stack, and Kibana.

Database Skills

  • Experience with databases like Cassandra and relational databases.
  • Knowledge of database optimization techniques.

Additional Skills

  • Strong problem-solving and analytical skills.
  • Familiarity with DevOps practices and Agile methodologies.

Preferred Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
  • Experience with reactive programming using RX Java.
  • Prior experience in performance tuning and debugging large-scale systems.

What We Offer

  • Competitive salary and performance-based incentives.
  • Opportunities to work on cutting-edge technologies in real-world applications.
  • Collaborative work environment with continuous learning opportunities.


How to Apply

Ready to join an innovative team shaping the future of backend technology? Send your CV and a cover letter to [Contact Email].

We look forward to your application


  • Java Backend Developer

    3 tygodni temu


    Warszawa, mazowieckie, Polska Kevin Edward Pełny etat

    We are seeking a highly skilled Senior Java Developer to join our client development team. The ideal candidate will have a strong foundation in Java programming, expertise in design patterns, and extensive experience with modern frameworks and database technologies. The role requires collaboration in an Agile environment to deliver high-quality, scalable...


  • Warszawa, mazowieckie, Polska Kevin Edward Pełny etat

    Are you a seasoned Java Developer with a strong foundation in software design principles and a passion for building robust, efficient systems? Join our client to drive the development of cutting-edge financial market solutions, leveraging your expertise to create high-performance, scalable applications.Our client is looking for a self-starter with a proven...


  • Warszawa, mazowieckie, Polska Samsung R&D Institute Poland Pełny etat

    About our TeamSamsung R&D Institute Poland is looking for Java Backend Developer, for the team working on SmartThings Pro and EHS projects - building IoT solution development. If you would like to work on innovative solutions from ideation, through proof of concept, to the commercialization phase, come and join us.We're highly specialized team in...


  • Warszawa, mazowieckie, Polska Samsung R&D Institute Poland Pełny etat

    About our TeamSamsung R&D Institute Poland is looking for Java Backend Developer, for the team working on SmartThings Pro and EHS projects - building IoT solution development. If you would like to work on innovative solutions from ideation, through proof of concept, to the commercialization phase, come and join us.We're highly specialized team in...


  • Warszawa, mazowieckie, Polska Samsung R&D Institute Poland Pełny etat

    About our TeamSamsung R&D Institute Poland is looking for Java Backend Developer, for the team working on SmartThings Pro and EHS projects - building IoT solution development. If you would like to work on innovative solutions from ideation, through proof of concept, to the commercialization phase, come and join us.We're highly specialized team in...


  • Warszawa, mazowieckie, Polska BNP Paribas SA oddział w Polsce Pełny etat

    As a part of the TA IT team within Securities Services cluster you will contribute to providing new solutions for operational teams and be actively involved in technical discussions and decision making within development team.This position will give you the unique opportunity to cooperate with dynamic, cross location squads of Business Analysts and...


  • Warszawa, mazowieckie, Polska Upvanta Pełny etat

    As a Fullstack Developer, you will join a team responsible for developing modern banking applications. You will work on key projects for clients in Poland and abroad, supporting the development of innovative digital solutions in the financial sector.Your daily tasks will include:Designing and developing new functionalities in banking applications.Maintaining...


  • Warszawa, mazowieckie, Polska Samsung R&D Institute Poland Pełny etat

    About our TeamSamsung R&D Institute Poland is looking for Java Backend Developer, for the team working on SmartThings Pro and EHS projects - building IoT solution development. If you would like to work on innovative solutions from ideation, through proof of concept, to the commercialization phase, come and join us.We're highly specialized team in...


  • Warszawa, mazowieckie, Polska Leroy Merlin Polska Pełny etat

    W Leroy Merlin tworzymy własne rozwiązania w sposób zwinny. Działamy jako niezależny zespół Software Developmentu. Projektujemy aplikacje dla polskiego rynku i dzielimy się nimi w ramach międzynarodowej grupy ADEO. Programujemy w oparciu o podejście DDD, BDD, Scrum, Kanban, DevSecOps i CI/CD.W ramach zespołu Architektury kompleksowo zarządzamy...

  • Senior Java Developer

    1 miesiąc temu


    Warszawa, mazowieckie, Polska T-Mobile Polska S.A. Pełny etat

    Lokalizacja: Marynarska 12, WarszawaForma współpracy: Direct B2BTryb współpracy: Hybrydowy (wymiar do ustalenia)Rekrutacja online!Zapraszamy Cię do pracy w międzynarodowym zespole SCRUMowym odpowiedzialnym za serwis do samoobsługi klientów biznesowych T-Mobile, w którym zajmiesz się zadaniami związanym z realizacją backendu w Java/Spring.Zadania,...

  • Senior Backend Developer

    4 tygodni temu


    Warszawa, mazowieckie, Polska Nationale-Nederlanden Pełny etat

    Do Twoich zadań należeć będzie:Tworzenie aplikacji backendowych w ramach platform wykorzystywanych przez NN,Projektowanie nowych rozwiązań w ramach rozbudowy powyższych platform w architekturze mikroserwisowej,Budowanie rozwiązań na podstawie rynkowych praktyk developerskich,Optymalizowanie kodu z uwzględnieniem wytycznych bezpieczeństwa i...

  • Senior Java Developer

    19 godzin temu


    Warszawa, mazowieckie, Polska Upvanta Pełny etat

    This specific position gives you the opportunity to interact within international environment and work with the most recognizable and influential players on the market. The opportunityAs a Senior Java Developer in Consulting, you will participate in various streams of implementation projects, collaborate with agile team members in order to achieve project...


  • Warszawa, mazowieckie, Polska BNP Paribas SA oddział w Polsce Pełny etat

    As part of the Digital Platform team, you will be working on several applications using a very modern technology stack. You will get the opportunity to not only learn and grow but also to contribute and be involved in technical discussions and decision making. You will be working in a very nice, dynamic, multi-cultural and geographically distributed team and...

  • Full Stack Developer

    2 miesięcy temu


    Warszawa, mazowieckie, Polska Kevin Edward Pełny etat

    Join one of our clients in Warsaw and work on cutting-edge Identity and Security services! We’re looking for a talented Full Stack Developer with expertise in Java (Spring Boot) for backend development, and React for front-end development. You’ll be working on scalable microservices and RESTful APIs, applying best practices like TDD/BDD and leveraging...

  • Senior Java Developer

    3 miesięcy temu


    Warszawa, mazowieckie, Polska Sigma Software Pełny etat

    We are seeking an experienced and visionary Senior Java Developer to lead our software development initiatives. As a key member of our technical leadership team, you will drive the architectural design, take an active part in the opportunities processing and the start of new projects, mentor developers, and contribute to the strategic direction of our...


  • Warszawa, mazowieckie, Polska WIPRO IT SERVICES POLAND Sp. z o.o. Pełny etat

    Demonstrated backend software development experience in a professional development team setting Backend microservice development experience using JVM with any OOP or FP language with modern service framework JAVA/J2EE designing and coding experience JVM platform (primarily in Clojure) background Experience working with Cloud native server...

  • Senior Java Developer

    3 tygodni temu


    Warszawa, mazowieckie, Polska Vodeno Pełny etat

    What we doHi, we are Vodeno. We are innovators in the Banking-as-a-Service space. Our technology is cloud-native, and our teams work in the cloud like fish in water. Supported by a leading global equity firm and the ecosystem of nearly 90 partners, our Platform opens new opportunities for businesses across Europe to integrate financial products and services...


  • Warszawa, mazowieckie, Polska BlueSoft Pełny etat

    Do zespołu scrumowego rozwijającego systemy bankowe w domenie consumer finance poszukujemy FullStack Developera oraz Tech Leada. Obowiązki:Tworzenie i rozwijanie systemów bankowych w oparciu o najnowsze technologie i standardy.Wspieranie zespołu w realizacji celów sprintowych oraz wdrażanie dobrych praktyk programistycznych.Współpraca z analitykami,...

  • Java Developer

    1 miesiąc temu


    Warszawa, mazowieckie, Polska Nationale-Nederlanden Pełny etat

    Do Twoich zadań należeć będzie:Tworzenie aplikacji backendowych w ramach platform wykorzystywanych przez NN,Rozwój i utrzymanie aplikacji w technologii Java,Budowanie rozwiązań na podstawie rynkowych praktyk developerskich,Dbanie o jakość kodu, wykonywanie code review, tworzenie testów jednostkowych i integracyjnych,Udział we wdrożeniach.Nasza...

  • Full Stack Developer

    2 miesięcy temu


    Warszawa, mazowieckie, Polska 4Semantics Pełny etat

    Who we are:4Semantics is a rapidly growing technology firm specializing in Intelligent Document Processing (IDP) with a strong focus on the financial sector. Using our proprietary cognitive AI technology, we transform large volumes of complex documents into structured data, enhancing efficiency and accuracy in financial operations globally. We work with top...