PySpark Big Data Developer

Job description

We are seeking a highly skilled and experienced BigData/PySpark Engineer to join our dynamic Big Data Analytics team. This role is pivotal in designing, developing, and optimizing robust, scalable data pipelines for large-scale data processing and analytics. Key Responsibilities: - Design & Development: Create and optimize scalable ETL (Extraction, Transformation, Loading) pipelines using PySpark for massive datasets. - Coding & Engineering: Write clean, efficient, well-documented code primarily in Python (PySpark) often leveraging frameworks/tools. - Collaboration: Work with cross-functional teams (senior developers, data engineers, analysts, business partners) to understand data requirements and ensure seamless solution integration. - Troubleshooting & Optimization: Debug and resolve data processing issues and performance bottlenecks in Spark applications and other big data technologies. - Full SDLC Involvement: Participate in the entire software development lifecycle, from requirements analysis and design to testing, deployment, and operations. - Data Integrity: Ensure high data quality and integrity throughout the data lifecycle. This candidate possesses **4-8 years of experience** in developing and managing Enterprise Applications, demonstrating a robust foundation in Big Data technologies and a strong grasp of software development principles. **Key Experience & Expertise:** - **Enterprise Application Development:** 4-8 years in developing and managing enterprise-grade applications. - **Object-Oriented Programming (OOP):** Solid foundation in OOP concepts. - **Big Data Development:** Expertise in **PySpark, HDFS, Hive, Sqoop, and Hadoop** for Big Data environments. - **Database Technologies:** Good exposure to **SQL Server** and **ORACLE** databases. Experience with query writing for data validation/manipulation - **Scripting & Automation:** Proficient in **Shell Scripting** and experience with job scheduling tools like **Autosys**. - **BI Reporting Tools:** Some exposure to BI tools, specifically **Tableau**. - **Tools & Practices:** Proficient with Git; experience with JIRA, Confluence. Familiarity with DevOps and CI/CD pipelines. ------------------------------------------------------ ## **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.*