Oracle XStore Developer, POS - Freelance

Job Description
We are looking for an experienced Oracle XStore Developer for a freelance/contract engagement to develop, customize, integrate, and support Oracle XStore POS applications in a retail environment.
Key Responsibilities
Develop and customize Oracle XStore applications, including UI enhancements, configurations, locale changes, and extensions.
Work with Oracle XStore Suite components: XStore, XAdmin, XCenter, XServices, XEnvironment, XMobile, and tablet solutions.
Support XStore 23.x, POS deployments, upgrades, device configurations, and production releases.
Develop and maintain integrations with inventory, order management, CRM, eCommerce, and payment systems.
Implement payment integrations using EFTLink or AJB frameworks, including providers such as FreedomPay, SixPay, and Tender Retail.
Develop and troubleshoot Oracle Database queries, PL/SQL code, REST APIs, and web services.
Perform debugging, root cause analysis, defect resolution, code reviews, and production support.
Collaborate with architects, QA, business analysts, and development teams in an Agile environment.
Mandatory Skills
Hands-on experience with Oracle XStore POS development and customization.
Knowledge of XStore Suite components and preferably XStore version 23.x.
Strong Oracle Database and PL/SQL skills.
Experience with POS integrations, payment processing, and third-party systems.
Experience with REST APIs, deployment activities, debugging, and production support.
Good to Have
Java, Spring Boot, Hibernate, Java REST Services.
React, TypeScript, JavaScript, HTML5, and CSS3.
CI/CD, automated testing, and DevOps practices.
Experience supporting large-scale retail store environments.

Work arrangement
Yes