Job Description Responsibilities: + Neo4j expertise: Proven experience with Neo4j, including its core concepts, Cypher query language, and best practices. + Designing and implementing graph database solutions: This includes creating and maintaining graph schemas, models, and architectures. Designing, developing, and deploying graph-based solutions using Neo4j. This includes defining data models, creating nodes, relationships, and properties, and implementing Cypher queries to retrieve and manipulate data. + Migrate data from relational or other databases into Neo4j. + Optimizing Cypher queries for performance, ensuring efficient data retrieval and manipulation. This may involve indexing, query optimization techniques, and understanding graph database performance characteristics. + Familiarity with graph theory, graph data modeling, and other graph database technologies + Developing and optimizing Cypher queries + Integrating Neo4j with BI and other systems Good to have: + Develop Spark applications using Scala or Python (Pyspark) for data transformation, aggregation, and analysis. + Develop and maintain Kafka-based data pipelines: This includes designing Kafka Streams, setting up Kafka Clusters, and ensuring efficient data flow. + Create and optimize Spark applications using Scala and PySpark: They leverage these languages to process large datasets and implement data transformations and aggregations. + Creating and maintaining documentation for system architecture, design, and operational processes Proficiency in: + Deep hands-on expertise into building Neo4j Graph solution + Hadoop ecosystem big data tech stack (HDFS, YARN, MapReduce, Hive, Impala) Good to have: + Spark (Scala, Python) for data processing and analysis. + Kafka for real-time data ingestion and processing. + ETL processes and data ingestion tools + Hands-on expertise in Pyspark, Scala, Kafka ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Most Relevant Skills** Please see the requirements listed above. ------------------------------------------------------ **Other Relevant Skills** For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ _Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law._ _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_ _Accessibility at Citi (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi’s_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.