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

18 hours ago

Remote 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 7+ 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.

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