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 
 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...
                

Apply for this Job

Submit your application for the Java Architect for GIS project (m/f/d) position at Hays.

Apply Now Save for Later

Job Overview

Job Type: PART_TIME

Location: Vienna, Austria

Posted: June 16, 2026

Deadline: July 26, 2026