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Posted Yesterday•Paiania, Attica, Greece

Data & Backend Software Engineer

MiddleOn-site (Paiania)Salary undisclosed
Required Skills
PythonKubernetesDockerPostgreSQLKafkaSQLCI/CDFastAPI
Job Description

We are looking for a Data & Backend Software Engineer to develop backend services, APIs and data-processing pipelines for analytics-driven applications. The role covers data acquisition, validation, normalization, storage and secure exposure of operational and time-series data.

Responsibilities

  • Develop backend services and REST APIs.
  • Build data-ingestion pipelines from APIs, databases, files and telemetry systems.
  • Design relational schemas and normalized data models.
  • Implement data validation, timestamp normalization, duplicate handling and quality checks.
  • Build historical and scheduled data-processing workflows.
  • Maintain traceability between source data and processed results.
  • Implement authentication, logging, auditability and error handling.
  • Write automated unit and integration tests and collaborate with AI/ML and domain engineering teams.

Requirements

  • Degree in Computer Science, Software Engineering or a related field.
  • Strong Python programming skills and experience developing backend applications.
  • Experience designing and implementing REST APIs.
  • Strong SQL knowledge and experience with relational databases.
  • Experience with ETL/data-processing workflows.
  • Understanding of database design, data validation and time-series data.
  • Git, automated testing and good written and spoken English.
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