Description Core Java Senior developer for Core Data Framework Required Qualifications: Bachelor’s degree in Computer Science, Information Technology, or related field preferred. Experience in Core Java, multithreading, data structures, algorithms, Annotations, Generics Dependency Injection using Spring/Google Guice, AOP, Data/Java Bean validation, in-memory java object caching, NoSQL DB handling in java specifically MongoDB, XML and document handling in Java, Messaging JMS, ORM in Java (Hibernate/ iBatis etc) , Json – Formats and Parsers, Batch/Scheduling frameworks ( Spring Batch, Quartz ), Unit testing – Junit, jmock/mockito. Expertise in design, development, performance tuning, troubleshooting and deployment. Hands on knowledge of Linux/unix Familiar with standard SDLC and Agile processes, OOAD, UML, TDD, DDD. Experience in writing common services/libraries/toolkits that are used by other applications Experience in Cluster Managers like Helix is an added advantage Any Experience in Python / Scala / any other programming language will be an added advantage. Ability to prioritize and manage schedules under tight, fixed deadlines Ability to produce professional, technically-sound solutions. Strong writing, communication, time-management, decision-making, and basic task organization skills. Experience in system design based on given constraints and goals. Experience in technically managing a small team of developers. ------------------------------------------------- Job Family Group: Technology ------------------------------------------------- Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Citi is an equal opportunity and affirmative action employer. Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review. View the "" poster. View the. View the. View the