Job Description: Senior Oracle XStore POS Developer - Java Full Stack & AI Job Title: Senior Oracle XStore POS Developer Location: Remote / Hybrid / Onsite Essential Skills: Oracle XStore POS, Advanced Java, Retail POS Systems Job Summary We are seeking an experienced Senior Oracle XStore POS Developer with strong expertise in Oracle Retail XStore, advanced Java development, and point-of-sale (POS) systems. The candidate will be responsible for developing, customizing, integrating, and maintaining Oracle XStore applications, with a focus on retail transactions, payment processing, and healthcare or pharmacy retail operations. The ideal candidate will have hands-on experience with Oracle XStore POS, Java-based application development, payment integrations, and modern AI-assisted development practices to improve application performance, reliability, and development productivity.

Key Responsibilities

Design, develop, customize, and maintain Oracle XStore POS applications and related retail components. Develop Java-based applications, RESTful APIs, and microservices to support POS transactions and enterprise integrations. Configure and support Oracle XStore components, including XAdmin and XEnvironment. Integrate POS applications with payment gateways, payment devices, tokenization platforms, and enterprise systems. Implement and support payment processing, transaction management, and retail commerce workflows. Analyze business requirements and translate them into technical designs and application enhancements. Perform debugging, performance tuning, defect resolution, and production support. Support application upgrades, quarterly releases, deployments, and Level-3 production issues. Develop and maintain integrations with databases, backend services, and external applications. Leverage AI-assisted development tools for code generation, unit testing, code reviews, refactoring, and documentation. Participate in cloud migration, CI/CD automation, and application modernization initiatives. Collaborate with business stakeholders, architects, QA teams, and cross-functional engineering teams. Ensure compliance with applicable security, privacy, and payment-processing standards. Required Technical Skills 1. Oracle Retail XStore POS Strong hands-on experience with Oracle XStore POS development and customization. Knowledge of Oracle Retail Suite components, XAdmin, and XEnvironment. Experience with POS configuration, administration, troubleshooting, and deployment. Understanding of retail transaction processing, POS workflows, and store operations. 2. Java Full Stack Development Strong proficiency in Java 8/11/17 and advanced Java concepts. Experience with Spring Boot, RESTful APIs, and microservices architecture. Knowledge of object-oriented programming, design patterns, and application architecture. Experience with Oracle SQL and PL/SQL. Familiarity with WebLogic Server and enterprise Java applications. Exposure to ReactJS or Angular is desirable. 3. Payment Integration Experience integrating POS applications with payment gateways and payment processing systems. Knowledge of credit/debit card transactions, tokenization, and payment orchestration. Experience with POS payment devices, including PIN Entry Devices (PEDs). Understanding of transaction authorization, payment failures, reversals, and reconciliation. Exposure to pharmacy retail payments or healthcare payment workflows is preferred. 4. AI-Assisted Development Familiarity with AI development tools such as GitHub Copilot, ChatGPT, Azure OpenAI, or Oracle AI services. Experience using AI tools for code generation, automated unit testing, code review, refactoring, and technical documentation. Understanding of prompt engineering and productivity automation. Exposure to intelligent monitoring and AIOps concepts is an advantage. 5. Cloud and DevOps Exposure to Microsoft Azure or other cloud platforms. Experience with Git, Jenkins, Azure DevOps, or similar CI/CD tools. Knowledge of build and release management, deployment automation, and version control. Familiarity with Docker, containers, and Unix/Linux shell scripting. Understanding of application monitoring, logging, and production troubleshooting. Preferred Domain Experience Healthcare provider organizations and pharmacy retail systems. Hospital payment systems, patient billing, and collections. Healthcare commerce and patient financial services platforms. HIPAA-compliant application development and healthcare system integrations. Electronic Health Record (EHR) integration, including Epic, where applicable. Payment platform modernization and payment device certification/testing.

Required Qualifications

Bachelor's or Master's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience. 8-10 years of software development experience, preferably in Java and enterprise applications. Strong hands-on expertise in Oracle XStore POS development. Experience with advanced Java concepts and enterprise application integration. Knowledge of POS transaction processing and payment integrations. Strong debugging, analytical, and problem-solving skills. Excellent communication and collaboration skills. Experience working in Agile/Scrum development environments.

Nice-to-Have

Skills Oracle XStore implementation experience in healthcare or pharmacy environments. Experience with Epic EHR or patient financial services integrations. Knowledge of payment security standards and PCI DSS. Experience with AI/ML initiatives or AI-powered software engineering. Cloud-native application architecture and containerization. Experience with payment device certification and end-to-end transaction testing. Key Competencies Technical leadership and ownership. Strong analytical and troubleshooting capabilities. Cross-functional stakeholder collaboration. Focus on application quality, security, and reliability. Continuous improvement through automation and AI-enabled development.