Big Data/Java Application Developer

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

Position Overview:

The Big Data/Java Application Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities:

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• Ensure essential procedures are followed and help define operating standards and processes
• Serve as advisor or coach to new or lower level analysts
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Experience managing an data focused product, ML platform and or UI/UX
• Responsible to build UI components using Angular, HTML, CSS Java, Spring boot, Oracle, NoSQL  OR Design, develop, and optimize scalable distributed data processing pipelines using Apache Spark and Scala..
• Acts as SME to senior stakeholders and /or other team members.
• Experience with large-scale distributed web services and the processes around testing, monitoring, and SLAs to ensure high product quality.
• Design and Develop Scalable Data Pipelines: Lead the design, development, and maintenance of high-performance, scalable data pipelines using Apache Spark, Scala, and Spark to handle large-scale datasets in the financial industry.
• ETL Process Implementation: Implement ETL (Extract, Transform, Load) processes for data integration, transforming complex data from multiple sources into structured, actionable insights.
• Data Optimization and Performance Tuning: Monitor, troubleshoot, and optimize the performance of data pipelines and applications, ensuring high availability, low-latency, and efficient resource usage.
• Data Workflow Orchestration: Use Apache Airflow to orchestrate and automate complex data workflows, ensuring seamless integration and efficient execution of tasks across systems.
• Real-Time Data Processing: Integrate real-time data streaming solutions using Apache Kafka for processing and managing large volumes of data in real-time.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

• 5+ years of relevant experience
• Experience in systems analysis and programming of software applications
• Experience in managing and implementing successful projects
• Working knowledge of consulting/project management techniques/methods
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
• Hands on relevant experience in Angular, HTML, CSS Java, Spring boot, Oracle, NoSQL  OR  Design, develop, and optimize scalable distributed data processing pipelines using Apache Spark and Scala.
• Proficiency in Functional Programming: High proficiency in Scala-based functional programming for developing robust and efficient data processing pipelines.
• 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 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.

Desirable Experience:

• Real-Time Data Streaming: Experience with streaming platforms such as Apache Kafka or Spark Streaming.
• Financial Services Context: Familiarity with financial data processing, ensuring scalability, security, and compliance requirements.
• Leadership in Data Engineering: Proven ability to work collaboratively with teams to develop robust data pipelines and architectures.

Education:

• Bachelor’s degree/University degree or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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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 Accessibility at Citi.

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