Applications Development Sr Programmer Analyst - C12 - CIUDAD DE MEXICO

The Applications Development Senior Programmer Analyst 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. We are looking for a Senior Java Spark Developer with expertise in building and optimizing large-scale data processing applications. The ideal candidate should have strong experience with Java, Apache Spark, and big data technologies, along with a deep understanding of distributed computing, performance optimization, and cloud-based solutions.

Responsibilities:

Design, develop, and optimize big data processing pipelines using Apache Spark and Java.

• Work on batch and real-time data processing frameworks to transform large datasets.
• Write high-performance Spark jobs using RDDs, DataFrames, and Datasets.
• Collaborate with data engineers, architects, and analysts to ensure seamless data integration.
• Optimize Spark performance through tuning, partitioning, and efficient memory management.
• Deploy and maintain Spark-based applications in cloud environments (AWS, Azure, GCP) or on-premises clusters.
• Troubleshoot performance bottlenecks, failures, and latency issues in big data applications.
• Implement best practices for data governance, security, and compliance.
• Work with CI/CD pipelines, version control (Git), and automation tools for continuous deployment.
• 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
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
• 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 relevant experience
• Strong Experience in Java 8+, with expertise in functional programming and concurency
• Hands-on experience with Apache Spark
• Good Understanding of Hadoop Ecosystem, including HDFS,Hive and YARN
• Knowledge of SQL and NoSQL databases
• Experience working with cloud platforms
• Familiarity with containerization and orchestration tools
• Knowledge of CI/CD piplelines, Git and automated deployment
• Exposure towards ETL technologies such as AbInitio is added advantage
• Experience in systems analysis and programming of software applications
• Experience in managing and implementing successful projects
• Working knowledge of consulting/project management techniques/methods
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

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 and affirmative action employer.

Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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