Senior Backend Java Developer @ Mr Wolf Sp. z o.o.

1 day ago

Warszawa, Czech Republic Mr Wolf Sp. z o.o. Full time

We are looking for an experienced Senior Java Backend Developer to join our engineering team. You will design, implement, and optimize backend services that power large-scale, high-performance systems. This is an opportunity to work on innovative projects that involve advanced software engineering practices, cloud-native development, and integration with AI-driven solutions.

Qualifications

  • 5+ years of professional experience as a Backend Developer (Java).
  • Solid knowledge of Spring Boot, Hibernate, JPA, and microservices architecture.
  • Experience with cloud platforms (AWS, GCP, or Azure).
  • Strong understanding of databases (SQL and NoSQL).
  • Proven experience with AI/ML integration (e.g., using AI APIs, deploying ML models, or optimizing systems with AI-driven approaches).
  • Hands-on experience with containerization (Docker, Kubernetes).
  • Familiarity with security and compliance best practices in backend systems.
  • Excellent problem-solving and communication skills.
  • Experience with event streaming platforms (Kafka, RabbitMQ).
  • Exposure to DevOps practices and Infrastructure as Code (Terraform, Ansible).
  • Knowledge of distributed systems and high-throughput environments.

As a developer at Wolf you will be building a highly scalable, reliable, distributed financial platform driving a variety of products in the fintech space. You will be a part of driving the pivotal digital change in the banking and financial services area. We design and develop software using top class software engineering practices. We strongly believe that digital financial services are not the future, they are presently here and now and we need to take the opportunity to surf the wave of financial change.

We offer

  • Competitive compensation package.
  • Flexible working arrangements (remote/hybrid).
  • Opportunities to work with cutting-edge technologies, including AI.
  • Professional development and career growth.
  • Collaborative and international work environment.
,[Design, develop, and maintain scalable backend systems in Java., Build and optimize RESTful and event-driven APIs., Collaborate with architects, frontend engineers, and product teams to deliver end-to-end solutions., Ensure system reliability, performance, and security at scale., Drive best practices in coding, testing, and CI/CD pipelines., Mentor team members and contribute to technical decision-making.] Requirements: Java, REST, Git, Problem solving, Spring MVC, Spring Data, Spring Security, Object-oriented programming, Unit testing, Spock, Kanban, Spring Framework, Spring Boot, Clean Code, Continuous integration, Continuous deployment, CD, MySQL, AWS, Elasticsearch, Docker, Kafka, Kubernetes, JUnit, DevOps Tools: Jira, Confluence, GitHub, GIT, Agile, Scrum, Kanban. Additionally: Flat structure, International projects, Small teams, In-house trainings.

  • Senior Backend Java Developer @

    2 days ago

    Warszawa, Mazovia, Czech Republic Mr Wolf Sp. z o.o. Full time

    We are looking for an experienced Senior Java Backend Developer to join our engineering team. You will design, implement, and optimize backend services that power large-scale, high-performance systems. This is an opportunity to work on innovative projects that involve advanced software engineering practices, cloud-native development, and integration with...

  • Senior Backend Java Developer @ PYSENSE Sp. z o. o.

    1 day ago

    Warszawa, Czech Republic PYSENSE Sp. z o. o. Full time

    Bardzo dobra znajomość programowania w języku Java; 5 lat doświadczenia na podobnym stanowisku (rozwój systemów IoT lub podobnych); Bezpośrednie komercyjne doświadczenie w pracy z AWS lub podobnymi rozwiązaniami chmurowymi; Mile widziane doświadczenie z systemami do komunikacji z urządzeniami IoT oraz szerokorozumianą branżą...

  • Java Developer @ ITFS Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic ITFS Sp. z o.o. Full time

    Praktyczna znajomość Java 11+ Doświadczenie w pracy ze Spring/Spring Boot, Webservice'ami REST, Hibernate JPA i Oracle/PostgreSQL. Wiedza na temat zabezpieczeń w aplikacjach backendowych. Doświadczenie w pisaniu solidnych testów jednostkowych i integracyjnych. Praktyczna znajomość relacyjnych baz danych Znajomość standardu OpenAPI 3.0. Rozumienie...

  • Senior Fullstack Developer

    1 day ago

    Remote, Warszawa, Czech Republic DahliaMatic Sp. z o.o. Full time

    6+ years of current commercial experience in fullstack programming (Java and Angular) 2+ years of previous commercial experience in backend development in Java OR frontend development in Angular Gradutate or student of IT studies Willingness to work from 12:00 to 20:00 Nice to have: previous experience in Azure Poszukujemy osób posiadających ponad...

  • Senior Java Cloud Developer @ DahliaMatic Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic DahliaMatic Sp. z o.o. Full time

    Must have: 8+ years of commercial experience in Java (inculding Java 17+) 4+ years of commercial experience in Spring 1+ years of commercial experience in AWS and/or Azure Graduate or student of IT studies Residence in / close to Warsaw Poszukujemy osób posiadających ponad 8-letnie komercyjne doświadczenie w programowaniu w języku Java (w tym 17+) z...

  • Java Developer @ ITFS Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic ITFS Sp. z o.o. Full time

    Min. 3 letnie doświadczenie w budowie bibliotek/narzędzi w Java, zgodnie z dobrymi praktykami i wzorcami projektowymi Podstawowe doświadczenie w tworzeniu funkcjonalnych testów automatycznych w Java, z wykorzystaniem Selenium WebDriver, Appium, Rest Assured Doświadczenie w pracy z systemami kontroli wersji (np. Git) oraz codzienną pracą z...

  • Junior Java Backend Developer @ VHV Informatyka Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic VHV Informatyka Sp. z o.o. Full time

    If you have competent software skills, are a team player, love challenges and you enjoy being part of this endeavor, then we are a perfect match. Your profile: Excitement for software development Degree in Informatics or comparable qualification Skilled in Object oriented programming in Java Java enterprise frameworks SQL databases Object-relational...

  • Java EIS Developer @ ITFS Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic ITFS Sp. z o.o. Full time

    Wykształcenie wyższe techniczne: BE/B.Tech/MCA/MSc, Praktyczne doświadczenie z platformą EIS: Policy Core / Billing Core / Claims Core / Customer Core w wersji V12 Java/J2EE, Spring, Hibernate, Spring Boot, Microservices, Web Services: REST & SOAP, Apache Camel – CXF, Kafka, Znajomość branży ubezpieczeniowej, w szczególności Property &...

  • Senior Java Developer @ Finture Sp. z o.o.

    1 day ago

    Warszawa, Czech Republic Finture Sp. z o.o. Full time

    Minimum 4 lata doświadczenia komercyjnego w programowaniu backendowym w Javie (11+), Zaawansowana znajomość Spring Boot, architektury mikroserwisów, CI/CD oraz wzorców projektowych, Doświadczenie w pracy z Dockerem, Kubernetesem i środowiskami chmurowymi (GCP / OpenShift) Znajomość DDD, architektury heksagonalnej oraz podejścia API-first (REST,...

  • Java Developer

    1 day ago

    Warszawa, Czech Republic Finture Sp. z o.o. Full time

    Nasze wymagania:  co najmniej 2-letnie doświadczenie komercyjne w IT wykształcenie wyższe techniczne dobra znajomość narzędzi/technologii: Java JDK 8,11,17, Git, Maven doświadczenie w pracy w metodykach zwinnych Aktualnie mocno rośnie liczba projektów, które realizujemy dla naszych klientów i właśnie dlatego przez najbliższe tygodnie szukamy...