Senior Spark Java Application Developer

This role is for a Senior Spark Java developer in Global Statement Delivery team.  The candidate will work on existing applications and frameworks designing, developing, and maintaining Java-based applications and data pipelines using the Apache Spark framework for large-scale data processing. Role responsibility for creating scalable, efficient, and maintainable code while collaborating with data teams and ensuring data models and pipelines function correctly.  The role is within a technology group but involves engagement with business and understanding of operating environments.

Responsibilities:

• Developing End to End Spark applications in Java: Writing code, designing algorithms, and building data processing pipelines using the Spark API. Strong understanding of Apache Spark, including its various modules (e.g., Spark Streaming, Spark SQL) and its architecture.

• Data transformation and aggregation: Utilizing Spark's capabilities to process and transform large datasets. Work with technologies like HDFS, Hive, HBase, and Kafka. 

• Team Development and People Management : Leading and developing staff in a Technical Development environment

• Collaboration: Working with other engineers, data scientists, and stakeholders to understand requirements and design solutions.

• Analytics and Documentation: Analytical and problem-solving to identify and resolve issues supported by writing clear and concise documentation.

• Performance optimization: Identifying and addressing performance bottlenecks in Spark applications.

• Cloud platform experience: Familiarity with platforms like Cloudera Hadoop Distributed File System, YARN, ZooKeeper, Oozie, and their integration with Spark.

• CI/CD: Implementing and maintaining continuous integration and deployment pipelines. Experience using like Lightspeed, Docker, and OpenShift.

Leadership Skills:

• Excellent organization skills, attention to detail

• Demonstrated sense of responsibility and capability to deliver quickly

• Flexibility to handle multiple complex projects and changing priorities

• Excellent verbal, written and interpersonal communication skills

• Ability to build strong relationships in a multi-cultural environment across all levels within IT

• Promotes continuous process improvement especially in code quality, testability & reliability

• Exceptional strategic analysis, problem solving, issue resolution and decision making skills

• Ability to work in wide spectrum of IT problems including legacy s/w to Big data technologies. 

Qualifications:

• Bachelor’s degree (in Science, Computers, Information Technology or Engineering)

• At least 10+years overall IT experience with 2+ years in a team lead role with experience on large & complex projects

• At least 3 years of experience in Java Spark and Big data frameworks. Strong proficiency in Python and Java Spark with knowledge of core spark concepts (RDDs, Dataframes, Spark Streaming, etc.)

In return, we offer:

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.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energised to join us, motivated to stay, and empowered to thrive.

Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.

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