Application Development Technology Lead Analyst

Citigroup Inc.; Jersey City (NJ); Hybrid; USD 193,000 - 220,000; Full time

Job summary

Citibank, N.A. in Jersey City, NJ seeks an Application Development Technology Lead Analyst to design and implement enterprise-scale data engineering solutions, including AI/ML model operationalization for regulatory reporting.

You will build data lakes and warehouses, develop real-time pipelines with Kafka, and work with LLMs and RAG architectures to ensure data quality and insight. The role requires a strong background in Spark, Ab Initio, Python/Java, SQL, and NLP techniques, with

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.
• 6+ years in applications programming and data engineering.
• Experience with ETL using Ab Initio and distributed data processing (Spark/Hadoop).
• Production-grade data pipelines in Python/Java with SQL/PLSQL queries.
• ML/DL model development with TF, PyTorch, Scikit-learn; NLP techniques.
• LLMs and Retrieval Augmented Generation (RAG) architectures experience preferred.
• Real-time data pipelines with Kafka; RESTful API development for integration.

Responsibilities

• Design, architect, and implement enterprise data engineering solutions.
• Develop high-performance data and ML pipelines ingesting diverse data.
• Operate AI/ML models and data quality initiatives for regulatory reporting.
• Coordinate systems integration and data sharing across teams.
• Apply NLP techniques for data enrichment and anomaly detection.
• Build data lakes, data warehouses, and feature stores with scalable architectures.

Skills

Ab Initio ETL

Spark / PySpark

Python

Java

SQL / PL/SQL

ML frameworks

TensorFlow

PyTorch

Kafka

RESTful APIs

Git / VCS

Education

Bachelor’s degree in Computer Science, Computer Engineering, or related field

Tools

Ab Initio ETL Suite

Apache Spark / Hadoop ecosystem (Hive, HDFS, YARN)

Oracle SQL / PL/SQL

Apache Kafka

RESTful APIs

TensorFlow / PyTorch / Scikit-learn

LLMs / RAG architectures

Data lakes / data warehouses

Job description

Citibank, N.A. seeks an Application Development Technology Lead Analyst for its Jersey City, NJ location. DUTIES: Design, architect, and implement enterprise scale data engineering solutions supporting large scale financial data processing, regulatory reporting, and the operationalization of AI/ML models in a global financial services environment. Test, maintain, and monitor computer programs and systems, including coordinating the installation of programs and systems. Analyze information processing or computation needs and plan, design, and implement computer systems using techniques such as structured analysis, data modeling, and information engineering. Develop high performance, automated data and machine learning pipelines using big data frameworks to ingest, transform, and validate large volumes of structured and unstructured data from diverse sources. Use object-oriented programming languages, client-server application development processes, and multimedia and Internet technologies. Write code to perform desired system actions. Build and maintain data lakes, data warehouses, and feature stores, and implement batch, near real time, and event driven data architectures. Determine computer software or hardware requirements needed to set up or modify systems. Expand or modify systems to serve new purposes or improve workflow efficiency. Coordinate and link computer systems within an organization to increase compatibility and enable information sharing. Apply advanced programming and artificial intelligence techniques, including natural language processing for data enrichment and anomaly detection for data quality assurance. Use computers in the analysis and solution of business problems, including development of integrated production, inventory control, and cost analysis systems. Work with cross functional teams to translate business and regulatory requirements into scalable, secure, and compliant data and AI solutions, ensuring the accuracy and integrity of enterprise data used for reporting and decision making processes. Confer with clients regarding the nature of information processing or computational needs addressed by computer programs. A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite in accordance with Citi policies and protocols.

REQUIREMENTS: Bachelor’s degree, or foreign equivalent, in Computer Science, Computer Engineering, or a related field, and six (6) years of experience in the job offered or in a related IT occupation performing applications programming and data engineering. Six (6) years of experience must include: Designing, developing, and maintaining ETL workflows using the Ab Initio ETL Suite, and implementing distributed data processing solutions using Apache Spark / PySpark and Hadoop ecosystem tools (Hive, HDFS, YARN); Developing and supporting production grade applications and data pipelines using Python and Java, and writing complex SQL and PL/SQL queries for relational databases such as Oracle; Developing, training, and validating machine learning and deep learning models using frameworks including, TensorFlow, PyTorch, and Scikit learn, including applying Natural Language Processing techniques; Designing and implementing solutions leveraging Large Language Models (LLMs), including prompt engineering and Retrieval Augmented Generation (RAG) architectures; Building and supporting real time data pipelines using Apache Kafka and developing RESTful APIs for system integration; and Managing source code using distributed version control systems and tracking development tasks using issue tracking tools. 40 hrs./wk. EO Employer.

Wage Range: $193,461.00- $220,000.00

Job Family Group: Technology

Job Family: Applications Development

Time Type:

Full time

Primary Location:

Jersey City New Jersey United States

Primary Location Full Time Salary Range:

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills

Wholesale Lending Operations Management.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Anticipated Posting Close Date:

Nov 17, 2026

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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