Java Application Developer

Role Description: The overall objective of this Java developer is to perform applications and services design and implementation. This is hands-on technical role. This role is going to work as part of global distributed team and partner closely with business analysts, technology and quality assurance teams globally. Responsibilities: • Design, develop, and optimize scalable distributed data processing application using Java, Apache Spark and Hive. • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint • Monitor and troubleshoot Spark jobs, ensuring performance optimization and error resolution. • Work on the modernization of big data architecture to meet business requirements in a financial services context. • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation Essential Skills: • Experience: 6 to 11 years of hands-on experience in Java and J2ee, as primary skills and additional hands big data development, Hadoop focusing on Spark and distributed systems would be added advantage • Proficiency in Functional Programming: High proficiency in Java, SQL and Spark skill. • Proficiency in Big Data Technologies: Strong experience with Apache Spark, Hadoop ecosystem tools such as Hive, HDFS, and YARN. • Programming and Scripting: Advanced knowledge of Java or Scala and a good understanding of Python for data engineering tasks. • Data Modeling and ETL Processes: Solid understanding of data modeling principles and ETL processes in big data environments. • Analytical and Problem-Solving Skills: Strong ability to analyze and solve performance issues in Spark jobs and distributed systems. • Version Control and CI/CD: Familiarity with Git, Jenkins, and other CI/CD tools for automating the deployment of big data applications. Preferred skills: Experience of development and using test automation frameworks is a big plus Understanding of microservice architecture and microservices best practices and patterns, preferably using Spring Boot Experience with containerization – building images and running containers Understanding the concept of dependency injection, experience with DI frameworks (Spring, Guice, Dagger2, etc.) Experience with Message Brokers (Apache Kafka, Solace, RabbitMQ, etc.) Education: Bachelor’s/University degree or equivalent experience ------------------------------------------------------ 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 . View Citi’s EEO Policy Statement and the Know Your Rights poster.