Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other's ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It's the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you'll do more than join something - you'll add something. Imagine what you could do here. At Apple, outstanding ideas have a way of becoming great products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. The Apple Retail Store solutions have always led the Retail industry. As part of the Point of Sale (POS) Engineering team, you will responsible for delivering innovative solutions that improve employee and customer experience in store. You will work on highly visible projects impacting Apple's Retail business, touching millions of Apple customers! Description Apple Retail is looking for a Software Engineer to work on core platform. You'll work on projects that touch all aspects of Apple Retail Point-of-Sale system, and will leverage your strong software and communication skills to develop and integrate on multiple platforms and architectures. You will develop enterprise class software to enable Apple Store employees to provide best experience to customers. Minimum Qualifications * At least 3 years of professional software development experience. * Understanding, and hands on Java experience - including but not limited to: Core Java, OOPS, Design Pattern, Networking (including non-blocking IO), XML (including XSD), JDBC, RMI, REST, Servlet, Tomcat. * Understanding multi-threaded and event-driven programming. * Understanding of Java memory management and garbage collection. * Understanding of software security concepts and ability to apply secure code practice. * RDBMS experience in Oracle, MySQL or similar and good skills in SQL and data modeling. Preferred Qualifications * Understanding of Software Development Lifecycle, tools and standard methodologies. * Understanding of Micro Service application development and design. * Experience in software development in Java/Linux/macOS environment * Experience with binary serialization systems, e.g. Avro/Protobuf. * Experience with RPC based, e.g. Apache Thrift / Google gRPC. * Experience in Apache Lucene, SOLR, Elasticsearch and other NoSQL data stores. * Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.