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Java-based web service for data requests to a retailer's branch back-office system
Project duration: 6 months
Brief description
Three web services are being developed to relieve the branch back-office software and provide a modern interface for new systems. These services send requests to the branch back-office system via a messaging system and return the processed data to the calling systems via JSON-based web services.
Supplement
The customer operates a branch back-office system that must run on Java 8. This results in restrictions in the SSL processing of the integrated web services, among other things. To circumvent these problems and provide the connected systems with a modern web service architecture, the web services are outsourced from the back-office system to a separate virtual machine and implemented with a current Java runtime environment. Communication with the back-office system takes place via a messaging system: Web service requests are forwarded as messages to the back-office system and the responses generated there are then returned to the web service users.
Subject description
Due to the mandatory use of Java 8 in the back-office system and the existing web service connections, the web services are outsourced to a separate virtual machine and implemented there with a current Java version. Data exchange takes place via a messaging system, which decouples the services from the back-office system database and processes the load separately from a technical perspective. This decoupling reduces load peaks in the branch back office and increases stability and availability in operational use. At the same time, modern security standards (including SSL/TLS) are met and maintainability is improved. New systems can be connected in a standardized way, reducing integration costs, increasing scalability, and allowing extensions to be implemented more quickly.
IT project data
- Industries Retail trade
- Specialist tasks enterprise resource planning, inventory, payment transactions
- DP tasks customised software new development
- System environments Client/Server, Middleware, PC systems/networks, Service-Oriented Architecture (SOA)
- Procedure model Waterfall Model
- Programming languages Java
- Databases Oracle Database
- Development and test tool Git, JetBrains IntelliJ IDEA
- Operating systems Linux
- Standard software and BI JIRA
- System software Podman Engine
- Middleware and frameworks Apache ActiveMQ, Hibernate, JMS, RESTful Webservices, Solace
Project period01.07.2025 - 01.01.2026
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