Sr. Big Data Developer

The Senior Big Data 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
• Developing projects from business requirements, working through solutions and managing execution and rollout of these solutions
• Create T SQL queries/stored Procedures/Functions/Triggers using SQL Server 2014 and 2017
• Understand basic data warehousing concepts.
• Design/Develop SSIS packages to pull data from various source systems and load to target tables.
• May be required to develop Dashboards and Reports using SSRS
• Work on BAU JIRAs and, support business user queries and also do some levels of L3 support related activities whenever required.
• Provide detailed analysis and documentation of processes and flows where necessary.
• 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.
• Acts as SME to senior stakeholders and /or other team members.
• 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:

• 5-8 years of strong experience in development, performance tuning, troubleshooting and deployment
• Strong Experience in Apache Hadoop, Spark, Hive, Impala, Yarn, Talend, Hue
• Spark Calculators based on business logic/rules
• Programming skills with Python, Unix/Linux shell, Spark RD
• Understanding of OOP and Functional design approach.
• Big Data Reporting, Querying and analysis
• 3 to 5 years of Development experience with SQL and NoSQL databases
• Knowledge of software architecture, design and testing.
• Familiar with standard SDLC and Agile processes
• 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
• Knowledge of continuous integration tools like Jenkins/Team city, LightSpeed
• Knowledge of version control tool such as GIT

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 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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