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

Hays
PART_TIME Vienna, Vienna Computer Occupations
Posted:
June 16, 2026
Location:
Vienna, Vienna, Austria

Job Description

Java Architect for GIS project

(m/f/d)

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

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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...
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    Job Overview

    Job Type: PART_TIME
    Location: Vienna, Austria
    Posted: June 16, 2026
    Deadline: July 26, 2026