Data Analyst with PySpark Job at Citi (Chennai)

Data Analytics Senior Analyst

The Data Analytics Senior Analyst is a seasoned professional role that applies i...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8+ years experience using tools for statistical modeling of large data sets
Strong experience in Python/PySpark Development
Ability to effectively use complex analytical, interpretive and problem solving techniques
Demonstrated interpersonal, verbal and written communication skills
Bachelor’s/University degree or equivalent experience

Job Responsibility

Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flows
Coordinates and contribute to the objectives of data science initiatives and overall business through leveraging in-depth understanding of how areas collectively integrate within the sub-function
Assumes informal/formal leadership role through coaching and training of new recruits
Significantly influences decisions, work, and performance of all teams through advice, counsel and/or facilitating services to others in the business
Conducts strategic data analysis, identifies insights and implications and make strategic recommendations, develops data displays that clearly communicate complex analysis
Mines and analyzes data from various banking platforms to drive optimization and improve data quality
Delivers analytics initiatives to address business problems with the ability to identify data required, assess time & effort required and establish a project plan
Consults with business clients to identify system functional specifications
Applies comprehensive understanding of how multiple areas collectively integrate to contribute towards achieving business goals
Consults with users and clients to solve complex system issues/problems through in-depth evaluation of business processes, systems and industry standards

Fulltime

Data Analyst

The purpose of this role is to provide data analysis and reporting tools for the...

Location

Portugal , Lisbon

Salary:

Not provided

Inetum

Expiration Date

Until further notice

Requirements

Advanced Python
Advanced SQL skills and relational database management (Oracle is Mandatory, SQL server is desirable, PostgreSQL is desirable)
PySpark
Git - (is a plus)
Experience with Data Warehouses
Experience with Parquet file format is a plus
Experience in creating APIs in Python is a plus
Apache Airflow - Experience in pipeline development is desirable
Agile methodologies (At least SCRUM)
Fluent in English (Mandatory)

Job Responsibility

Responsible for creating data pipelines in Airflow for data extracting, processing, and loading
Responsible for code and query optimization
Responsible for generating insights and identify trends, anomalies or opportunities to improve users experience and anticipate their daily tasks
Responsible for delivering data in useful and appealing ways to users
Responsible for understanding business change and requirement needs, assess the impact and the cost
Data Ingestion
Data processing
Data Quality
Support

Fulltime

Data Ops Capability Deployment - Analyst

Data Ops Capability Deployment - Analyst is a seasoned professional role. Applie...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

10 + years of active development background and experience in Financial Services or Finance IT
Experience with Data Quality/Data Tracing/Data Lineage/Metadata Management Tools
Hands on experience for ETL using PySpark on distributed platforms along with data ingestion, Spark optimization, resource utilization, capacity planning & batch orchestration
In depth understanding of Hive, HDFS, Airflow, job scheduler
Strong programming skills in Python with experience in data manipulation and analysis libraries (Pandas, Numpy)
Should be able to write complex SQL/Stored Procs
Should have worked on DevOps, Jenkins/Lightspeed, Git, CoPilot
Strong knowledge in one or more of the BI visualization tools such as Tableau, PowerBI
Proven experience in implementing Datalake/Datawarehouse for enterprise use cases
Exposure to analytical tools and AI/ML is desired

Job Responsibility

Hands on with data engineering background and have thorough understanding of Distributed Data platforms and Cloud services
Sound understanding of data architecture and data integration with enterprise applications
Research and evaluate new data technologies, data mesh architecture and self-service data platforms
Work closely with Enterprise Architecture Team on the definition and refinement of overall data strategy
Should be able to address performance bottlenecks, design batch orchestrations, and deliver Reporting capabilities
Ability to perform complex data analytics (data cleansing, transformation, joins, aggregation etc.) on large complex datasets
Build analytics dashboards & data science capabilities for Enterprise Data platforms
Communicate complicated findings and propose solutions to a variety of stakeholders
Understanding business and functional requirements provided by business analysts and convert into technical design documents
Work closely with cross-functional teams e.g. Business Analysis, Product Assurance, Platforms and Infrastructure, Business Office, Control and Production Support

Fulltime

Senior Business Data Analyst

This role is within enterprise data office and product solution team; focused on...

Location

Canada , Mississauga

Salary:

111600.00 - 161600.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

6+ years of combined experience in banking and financial services industry, information technology and/or data controls and governance
Preferably Engineering Graduate with Post Graduation in Finance
Extensive experience in the capital markets business and processes
Deep understanding of Derivative products (i.e., Equities, FX, IRS, Commodities etc.)
Strong Data analysis skills using Excel, SQL, Python, Pyspark etc.
Experience with data management processes and tools and applications, including process mapping and lineage toolsets
Actively managed various aspects of data initiatives including analysis, planning, execution, and day-to-day production management
Strong knowledge of structured/unstructured databases, data modeling, data management, rapid / iterative development methodologies and data governance tools
Strong understanding of data governance issues, policies, regulatory requirements, and industry information affecting the business environment
Demonstrated stakeholder management skills

Job Responsibility

Engage with Markets, Risk, Finance, Tech, Client org, and Data Engineering Teams to gather requirements, understand application processing, identify gaps and design systematic solution for business needs
Understand Derivatives data flows within CITI for Equities, FX, IRS, Fixed Income, Commodities etc.
Data analysis for derivatives products across systems for target state adoption and resolution of data gaps/issues
Lead assessment of end-to-end data flows for all data elements used in Regulatory Reports
Document current and target states data mapping and produce gap assessment
Coordinate with the business for identifying critical data elements, defining standards and quality expectations, and prioritize remediation of data issues
Identify appropriate strategic source for critical data elements
Design and Implement data governance controls including data quality rules and data reconciliation
Design systematic solution for elimination of manual processes/adjustments and remediation of tactical solutions
Prepare detailed requirement specifications containing calculations, data transformations and aggregation logic

Fulltime

Data Analytics Lead Analyst

The Data Analytics Lead Analyst is a strategic professional who stays abreast of...

Location

India , Bengaluru

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

12-18 years experience using codes for statistical modeling of large data sets
Hands-on experience with build and test of ETL (Ab Initio) and API test automation frameworks
Hands-on experience with complex coding on automation frameworks to simplify test automation
Prior experience with Synthetic data solutions (Ex: Synthetic Data Vault and other LLM models)
Unix, SQL and Shell Scripting experience is a must have
Proficiency in PySpark
Strong understanding of Microservice architecture
Expertise in content validation from XML, databases, and flat files using scripts
SME in Data Analysis, Database testing, Messaging queues
Experience with tools like SOAP UI, Postman or Swagger

Job Responsibility

Integrates subject matter and industry expertise within a defined area
Contributes to data analytics standards around which others will operate
Applies in-depth understanding of how data analytics collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the entire function
Employs developed communication and diplomacy skills are required in order to guide, influence and convince others, in particular colleagues in other areas and occasional external customers
Resolves occasionally complex and highly variable issues
Produces detailed analysis of issues where the best course of action is not evident from the information available, but actions must be recommended/ taken
Responsible for volume, quality, timeliness and delivery of data science projects along with short-term planning resource planning
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

Fulltime

Data analyst

Aon Graduate Programme 2026 – Innovation & Analytics, Data Analyst. In this two ...

Location

Singapore , Singapore

Salary:

Not provided

Aon

Expiration Date

Until further notice

Requirements

Fresh graduates who are able to commence full-time employment in July 2026
Ability to extract and transform data using SQL, Python, Pyspark or similar technologies
Ability to identify key insights from the data based on in-depth analysis
Ability to visualize the results by following Aon's design guidelines using PowerBI (or Tableau)
Excellent problem-solving skills and attention to detail
Self-motivated, enthusiastic individual with excellent interpersonal skills and a team-player
Ability to convey technical findings to non-technical audience in an engaging and easy way
Ability to think deeply regarding ethical consequences of their work

Job Responsibility

Act as a champion for Aon’s suite of analytical tools and help business leaders drive performance by supporting the delivery of analytics solutions around client data

Fulltime

Data Analytics Senior Analyst

The Data Analytics Senior Analyst is a seasoned professional role. Applies in-de...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8-12 years experience using tools for statistical modeling of large data sets
Ability to effectively use complex analytical, interpretive and problem solving techniques
Demonstrated interpersonal, verbal and written communication skills
Hands-on experience with build and test of ETL (Ab Initio) and API test automation frameworks
Hands-on experience with complex coding on automation frameworks to simplify test automation
Experience working on GAN based synthetic data solutions
Unix, SQL and Shell Scripting experience is a must have
Proficiency in PySpark
Strong understanding of Microservice architecture
Expertise in content validation from XML, databases, and flat files using scripts

Job Responsibility

Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flows
Coordinates and contribute to the objectives of data science initiatives and overall business through leveraging in-depth understanding of how areas collectively integrate within the sub-function
Assumes informal/formal leadership role through coaching and training of new recruits
Significantly influences decisions, work, and performance of all teams through advice, counsel and/or facilitating services to others in the business
Conducts strategic data analysis, identifies insights and implications and make strategic recommendations, develops data displays that clearly communicate complex analysis
Mines and analyzes data from various banking platforms to drive optimization and improve data quality
Delivers analytics initiatives to address business problems with the ability to identify data required, assess time & effort required and establish a project plan
Consults with business clients to identify system functional specifications
Consults with users and clients to solve complex system issues/problems through in-depth evaluation of business processes, systems and industry standards
recommends solutions

Fulltime

Senior Data Science Analyst

The Data Science Senior Analyst is a seasoned professional role. Applies in-dept...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5-8 years experience in business and data analysis, process improvement and project management
Ability to effectively use complex analytical, interpretive and problem solving techniques
Demonstrated interpersonal, verbal and written communication skills
Methodical attention to detail
Experience using tools for statistical modeling of large data sets
Hands on coding experience with Python, SQL is mandatory (proficiency with Libraries such as Pandas, NumPy required)
Experience using tools for statistical modeling of large data sets
Expert background in utilizing SQL/Python to extract, manipulate, and analyze datasets
Preferable experience with tools such as Tableau, PySpark, Airflow, Git, JIRA and Confluence
Experience in Data Modelling, ETL technologies, Data pipeline

Job Responsibility

Developing and implementing advanced analytical models and solutions
Strong coding skills:Proficiency in Python, PySpark, and SQL for data analysis and model development
Big data expertise:Working knowledge of big data platforms like Cloudera and Databricks
Model development:Experience in building and deploying machine learning and AI models
Generative AI knowledge:Familiarity with generative AI techniques and their applications
Collaboration:Working with cross-functional teams to identify opportunities and deliver data-driven insights
Conducts strategic data analysis, identifies insights and implications and make strategic recommendations, develops data displays that clearly communicate complex analysis
Mines and analyzes data from various banking platforms to drive optimization and improve data quality
Deliver analytics initiatives to address business problems with the ability to determine data required, assess time & effort required and establish a project plan
Consults with business clients to determine system functional specifications

What we offer

Extensive on-the-job training and exposure to senior leaders
More traditional learning
Opportunity to give back and make a positive impact through volunteerism

Fulltime

Data Analyst with PySpark

Citi

Location:
India , Chennai

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 16, 2026

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