Java Architect for GIS project (m/f/d)

Vienna, Vienna, Austria • Posted June 12, 2026

Job Type: PART_TIME
Location: Vienna, Vienna
Posted: June 12, 2026
Category: Computer Occupations
Application Deadline: July 22, 2026

Role Description

Java Architect for GIS project

(m/f/d)

Freiberuflich für ein Projekt in Teilauslastung Vienna Start date: 08/26 Reference number: 880114/1

Diesen Job teilen oder drucken

Responsibilities

  • Assess and challenge the existing microservices architecture (service boundaries, APIs, data ownership)
  • Identify architectural risks, bottlenecks, and anti-patterns and define improvement measures
  • Review and optimize Java-based APIs with a focus on scalability, resilience, and quality
  • Evaluate event-driven data flows and system integrations (latency, idempotency, reliability)
  • Support and validate the decoupling of legacy Oracle/JDBC dependencies
  • Create, refine, and maintain architecture documentation (, Arc42, DACI)
  • Act as a technical authority and sparring partner for architects and engineering teams
  • Conduct code and solution reviews and provide clear technical guidanc...
  • Interested in this role?

    Click the button below to start your application for Java Architect for GIS project (m/f/d) at Hays.

    Apply Now