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Back-end Developer (Java + AWS) I Poland I Deloitte Digital

Back-end Developer (Java + AWS) I Poland I Deloitte Digital

DeloitteWarsaw, Poland
12 days ago
Job description

Description

Requirements Who we are looking for

We are looking for an experienced and passionate Back-end Developer (AWS, Java) who is ready to join an international team. This person will accompany global clients in their digital transformation.

Requirements

1. Education & Experience :

  • Minimum 4 years of experience in backend / API development.
  • Proven work in Agile teams (Scrum or Kanban).

2. Technical Skills :

  • Languages & Frameworks :  Java, Spring Framework, RESTful APIs, Node.js.
  • Cloud & Infrastructure :  AWS Lambda, API Gateway, DynamoDB, RedHat.
  • Build & Tools :  Maven, Gradle, Lombok, Swagger, JUnit, Docker, CI / CD.
  • Databases :  SQL, NoSQL (e.g., DynamoDB).
  • Version Control & Collaboration :  Git, Jira, Confluence.
  • Strong experience writing testable, scalable, and reliable code with high test coverage.
  • Experience with GitHub Actions and code quality tools (SonarQube, ESLint)

    • 3. Soft Skills & Analytical Thinking :

  • Ability to understand and refine technical / business requirements.
  • Strong documentation and research skills.
  • Comfortable resolving technical challenges such as merging, refactoring, and debugging.

    • 4. Communication & Workstyle :

  • Fluent English and Polish communication (all meetings are held in English).
  • Capable of presenting work during review sessions.
  • Work collaboratively in an international setup (Canada, Europe).
  • Preferred working window :   15 : 00–19 : 00 CET , with flexibility.

    • Your future role

  • Design and implement backend logic and APIs using Java and Spring.
  • Build and maintain scalable, serverless microservices using AWS Lambda and API Gateway.
  • Use Maven / Gradle for dependency management and Docker for local development and deployment pipelines.
  • Write high-quality, testable code (JUnit) with thorough documentation (Swagger / OpenAPI).
  • Ensure all changes are CI / CD integrated via GitHub Actions and follow quality standards (SonarQube).
  • Occasionally support frontend developers with integration.
  • Participate in daily Agile rituals and coordinate with stakeholders when needed.

    • What we offer

  • Competitive salary on a B2B contract
  • Option to work remotely or in a modern office
  • Opportunities for training and professional development
  • Work in an inspiring and supportive team
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    Java Backend Developer • Warsaw, Poland