Hands on Development Lead - Big Data

• 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
• Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
• Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
• Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
• Lead a small team of developers, supervise their tasks and provide technical directions and career coaching
• 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

• Minimum of 8-10 years of hands on development experience
• At least 5 years of working as a lead developer on JAVA backends
• Working knowledge of big data platforms and data pipeline development
• Understanding of design patterns and hand on coding skills
• Understanding of latest java versions along with Executor patterns, Stream API, Lambda etc.
• Deep understanding of data structures also required along with basic principles of Java
• Understanding of Linux, Bash and basic scripting along basics like Unix group, hostgroup etc
• Understanding of RDBMS vs NO SQL vs Columnar Databases
• Understanding of the file formats like Parquet, Avro, ORC, Iceberg etc. also required
• Experience working on Microservice Architecture, Containerization and Orchestration
• Working experience of using telemetry specifically open telemetry, ELK, Grafana, Prometheus etc
• Understanding of MQ and Kafka
• Prior work experience working in Capital Markets trade processing is a plus
• Ability to adjust priorities quickly as circumstances dictate
• Demonstrated leadership and project management skills
• Consistently demonstrates clear and concise written and verbal communication
• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred

• Prior work experience working in Capital Markets trade processing is a plus
• Master’s degree preferred

By joining Citi Dublin, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well