Senior Data Engineer

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients.

Citi’s Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We strive to earn and maintain our clients’ and the public’s trust by constantly adhering to the highest ethical standards and making a positive impact on the communities we serve.

This Senior Data Engineer is responsible for building solutions to build Data Engineering Solutions using next generation data techniques. The position will also be liaising between business users and technologists to exchange information about solutions, including requirements and usage information

Responsibilities:

• Integral team member of our Data Engineering team responsible for design and development of Big data solutions Partner with domain experts, product managers, analyst, and data scientists to develop Big Data pipelines in Hadoop or Snowflake Responsible for delivering data as a service framework

• Responsible for moving all legacy workloads to cloud platform

• Work with data scientist to build Client pipelines using heterogeneous sources and provide engineering services for data science applications

• Ensure automation through CI/CD across platforms both in cloud and on-premises

• Ability to research and assess open source technologies and components to recommend and integrate into the design and implementation

• Be the technical expert and mentor other team members on Big Data and Cloud Tech stacks

• Define needs around maintainability, testability, performance, security, quality and usability for data platform

• Drive implementation, consistent patterns, reusable components, and coding standards for data engineering processes

• Convert SAS based pipelines into languages like PySpark, Scala to execute on Hadoop and non-Hadoop ecosystems

• Tune Big data applications on Hadoop and non-Hadoop platforms for optimal performance

• Evaluate new IT developments and evolving business requirements and recommend appropriate systems alternatives and/or enhancements to current systems by analyzing business processes, systems and industry standards.

• Supervise day-to-day staff management issues, including resource management, work allocation, mentoring/coaching and other duties and functions as assigned

• 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:

• 8+ years of experience in hadoop/big data technologies.

• 3+ years of experience in spark.

• 2+ years experience in Snowflake

• 2+ year of experience working on Google or AWS cloud developing data solutions. Certifications preferred.

• Hands-on experience with Python/Pyspark/Scala and basic libraries for machine learning is required;

• Experience with containerization and related technologies (e.g. Docker, Kubernetes)

• Experience with all aspects of DevOps (source control, continuous integration, deployments, etc.)

• 1 year Hadoop administration experience preferred

• 1+ year of SAS experience preferred.

• Comprehensive knowledge of the principles of software engineering and data analytics

• Advanced knowledge of the Hadoop ecosystem and Big Data technologies Hands-on experience with the Hadoop eco-system (HDFS, MapReduce, Hive, Pig, Impala, Spark, Kafka, Kudu, Solr)

• Knowledge of agile (scrum) development methodology is a plus

• Strong development/automation skills

• Proficient in programming in Java or Python with prior Apache Beam/Spark experience a plus. 

• System level understanding - Data structures, algorithms, distributed storage &