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Opis oferty

Java Integration Developer (f/m/x) w Warszawa, Polska

Sii Sp. z o.o.

  • KontraktUmowa czasowa lub freelancing

Warszawa, Polska

Your responsibilities

  • Designing, implementing, testing, and maintaining integration flows and APIs according to requirements and Definition of Done
  • Actively participating in technical decision-making regarding integration and API implementation, considering architectural standards
  • Ensuring the quality, security, availability, and performance of delivered solutions, including diagnosing issues and addressing their root causes
  • Collaborating with architects, analysts, Product Owners, and project teams to refine requirements and agree on solutions
  • Participating in estimation, work planning, and analysis of technical risks
  • Supporting team members in solving technical problems and sharing best practices
  • Regularly participating in code reviews and developing coding quality standards and software production automation

Our requirements

  • Minimum 4 years of commercial experience in developing applications in Java, including practical work with Java 21+ and Spring Boot
  • Hands-on experience designing and implementing system integrations and APIs using REST, JSON, OpenAPI, OAuth 2.0, JWT, SOAP, and XML
  • Practical knowledge of asynchronous integrations using Apache Kafka, RabbitMQ, or another message broker
  • Proficiency in implementing integrations using API Management platforms, including API publishing and security
  • Background in developing solutions based on microservices architecture and deploying them in a Kubernetes environment
  • Strong understanding of CI/CD processes, particularly Bamboo or Jenkins, as well as Git/Bitbucket repositories; practical experience with deployment automation and Jira
  • Knowledge of unit testing and Java testing frameworks
  • Solid experience with PostgreSQL or Oracle databases, including creating and optimizing SQL queries
  • Ability to work independently, solve problems, and make technical decisions within projects
  • Fluent Polish

Optional

  • Experience working with Microsoft Azure API Management or an equivalent solution
  • Practical experience with Docker, Kubernetes, and Helm
  • Knowledge of Apache NiFi in integration solutions
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