Java Application Developer

Citi; Pune District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Citi in Pune, India is seeking a Java developer to design, implement, and optimize scalable distributed data processing applications using Java, Spark, and Hive. This hands-on role collaborates with global business analysts, technology, and QA teams to deliver robust solutions.

You will work on modernizing big data architecture, ensure adherence to architecture blueprints, and resolve complex performance issues in Spark and distributed systems, leveraging Java, SQL, Python, and CI/CD practices.

Qualifications

• 6–11 years of hands-on Java/J2EE experience.
• Strong knowledge of Spark, Hadoop, Hive, and data processing.
• Proficiency in Python for data engineering tasks.

Responsibilities

• Design, develop, and optimize distributed data processing apps using Java, Spark, and Hive.
• Collaborate with global teams to integrate functions and deploy new products.
• Monitor Spark jobs, troubleshoot performance, and resolve issues.
• Contribute to modernization of big data architecture in financial services context.

Skills

Java

J2EE

SQL

Spark

Python

Analytical thinking

Education

Bachelor’s degree or equivalent

Tools

Hadoop

Hive

HDFS

YARN

Apache Spark

Kafka

Spring Boot

Git

Jenkins

Job description

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.

Equal Opportunity Employer

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.

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