Backend Software Engineer

1 week ago

Piraeus, Attica, Greece NEUROPUBLIC S.A. Full time €60,000 - €80,000 per year

NEUROPUBLIC is seeking a highly skilled
Backend Software Engineer
with strong expertise in
PostgreSQL
and experience supporting
Oracle RDBMS
in production environments. You will be joining a highly experienced software development team that specializes in designing and delivering large-scale web-based information systems for the public sector.

Our team leverages a combination of modern Java and database technologies, internal development frameworks, and automated tools to accelerate application delivery while maintaining high standards of quality, maintainability, and compliance.

You'll contribute to projects that digitize administrative processes, simplify complex workflows, and support regulatory compliance through robust and scalable CRUD-based applications.

Responsibilities

  • Design and implement CRUD-based web applications to manage administrative processes and citizen applications.
  • Build and maintain RESTful APIs and backend logic using Java EE (J2EE), JPA, Hibernate.
  • Work with PostgreSQL and/or Oracle to define and manipulate structured data and relational models.
  • Write efficient SQL/JPQL queries and stored logic using PL/SQL (Oracle) or PL/pgSQL (PostgreSQL).
  • Ensure data consistency, integrity, and performance across high-volume relational systems.
  • Support occasional basic handling of
    spatial data
    , such as geometry storage or simple location-based queries.
  • Collaborate with analysts and architects in a structured, version-controlled development environment.

Qualifications

  • Degree in Computer Science, Software Engineering, or equivalent.
  • 3–6 years
    of experience in backend development using Java EE stack.
  • 3-6 years
    of hands-on experience with
    PostgreSQL
    in production.
  • Hands-on knowledge of JPA, Hibernate, and REST API development.
  • Excellent SQL skills and working knowledge of PL/SQL or PL/pgSQL.
  • Familiarity with designing and debugging relational schemas in PostgreSQL or Oracle.
  • Ability to comprehend and apply public sector rules and administrative workflows.

Nice-to-Have Qualifications

  • Basic understanding of spatial data models and PostGIS/Oracle Spatial concepts.
  • Experience in modernization of legacy data systems.
  • Familiarity with
    Oracle Forms
    and migration strategies to modern platforms.

What We Offer

  • Competitive salary
  • Work in a friendly, diverse, dynamic and extroverted environment
  • Private health insurance
  • Continuous learning and training opportunities.
  • Collaborative and supportive work environment.

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