Big Data Application Development Senior Programmer Job at Citi (Chennai)

Applications Development Senior Programmer

The Applications Development Senior Programmer is an intermediate level position...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8-10 Years Overall IT experience, Big Data Developer with experience in building Java/Scala, Spark based application
At least 5 Years of strong Development experience along with troubleshooting kills with technologies like Spark, Java/Scala and Hive
Previous experience with Hadoop stack, HDFS, Yarn resourcing, Zookeeper interactions are good to have
Good SQL knowledge on Hive/Impala
Basic Data warehousing concepts like SCD2 will be an added advantage
Experience with Kafka, Elastic will be a big plus
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

Job Responsibility

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
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

Fulltime

Applications Development Senior Programmer Analyst

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

India , Pune; Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8-13 years of experience on following areas
Strong in Python programming
Strong in Object oriented programming & Data Structures
Good knowledge of design patterns
Experience with Python frameworks - flask, Django
Strong technical skills for Big data Pyspark & Hadoop ecosystem components (HDFS, Hbase, Hive, Pig)
Strong experience in pyspark
Strong knowledge of REST web services
Spark Performance tuning and optimization techniques
Databases knowledge should extend to PL SQL, SQL and Transact-SQL. Oracle is a plus

Job Responsibility

Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
Apply fundamental knowledge of programming languages for design specifications.
Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
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.

Fulltime

Applications Development Senior Programmer Analyst

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

India , Pune; Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

8-12 years of experience on following areas
Strong in Python programing
Strong in Object oriented programing & Data Structures
Good knowledge of design patterns
Experience with Python frameworks - flask, Django
Strong technical skills for Big data Pyspark & Hadoop ecosystem components (HDFS, Hbase, Hive, Pig)
Strong experience in pyspark
Strong knowledge of REST web services
Spark Performance tuning and optimization techniques
Databases knowledge should extend to PL SQL, SQL and Transact-SQL. Oracle is a plus

Job Responsibility

Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
Apply fundamental knowledge of programming languages for design specifications.
Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
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.

Fulltime

Applications Development Senior Programmer Analyst

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

Canada , Mississauga

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

6+ years of Application development experience through full lifecycle
SME for UI architecture patterns - Micro Frontend, NX
Experience with Core Java/J2EE Application with complete command over OOPs and Design Patterns
Commendable in Data Structures and Algorithms
Worked on Core Application Development of complex size encompassing all areas of Java/J2EE
Thorough knowledge and hands on experience in following technologies Hadoop, Map Reduce Framework, Spark, YARN, Sqoop, Pig, Hue, Unix, Java, Sqoop, Impala, Cassandra on Mesos
Cloudera certification (CCDH) is an added advantage
Implemented or part complex project execution in Big Data Spark eco system
Exposure to ETL and BI tools
Work in an agile environment following through the best practices of agile Scrum

Job Responsibility

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

Fulltime

Applications Development Senior Programmer Analyst

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

Mexico , Ciudad De Mexico

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

5-8 years of relevant experience
Strong Experience in Java 8+, with expertise in functional programming and concurrency
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 pipelines, Git and automated deployment
Exposure towards ETL technologies such as AbInitio is an added advantage
Experience in systems analysis and programming of software applications

Job Responsibility

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

What we offer

Global benefits
Equal opportunity employment

Fulltime

Apps Dev Programmer Analyst 2

The Applications Development Programmer Analyst is an intermediate level positio...

Location

United States , Tampa

Salary:

59030.00 - 82370.00 USD / Year

Citi

Expiration Date

February 05, 2026

Requirements

4+ year of Industry experience working in Finance reporting applications/warehouses
2+ years of Development experience on Oracle, Data mining tools, Data intelligence tool
Strong knowledge of Oracle Database, SQL/Performance tuning, understanding of the Relational Data Modal
Exposure to data modelling concepts is required
Prior working experience with Citi Financial system (Specially General Ledgers) is a Big PLUS
Prior working knowledge on Inquiry framework
Prior experience with Citi tool – Inquiry Framework is a big PLUS
Knowledge of the Snowflake and S3 Buckets is plus and is preferred
Experience in production support and troubleshooting issues
Experience in Process optimization – SQL, ETL etc

Job Responsibility

Contribute to full development life cycle, including requirements analysis, functional design, technical design, programming, testing, documentation, implementation, and on-going technical support
Contribute to projects/CR’s utilizing Ab-Initio (ETL), Python, Oracle SQL/PLSQL, Snowflake and Cloud Technologies
Ability and willingness to learn newer tools and technologies in cloud-based data analytics/Artificial intelligence arena and successfully deliver projects utilizing the same
Expected to provide sound understanding of application development concepts / principles and a basic knowledge of concepts and principles in other technology areas
Expected to Develop/Modify/Test/Migrate Reports
Expected to Develop/Modify/Test/Migrate Python,Starburst Framework
Support application builds and migrations with new technologies, architecture and integration
Expected to clearly articulate development and timeline dependencies
Improve team development related processes that accelerate delivery, drive innovation, lower costs, and improve quality

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
discretionary and formulaic incentive and retention awards

Fulltime

!

Apps Dev Programmer Analyst 2

The Applications Development Programmer Analyst is an intermediate level positio...

Location

United States , Irving, Texas; Tampa, Florida

Salary:

65130.00 - 90870.00 USD / Year

Citi

Expiration Date

February 05, 2026

Requirements

4+ year of Industry experience working in Finance reporting applications/warehouses
2+ years of Development experience on Oracle, Data mining tools, Data intelligence tool
Strong knowledge of Oracle Database, SQL/Performance tuning, understanding of the Relational Data Modal
Exposure to data modelling concepts is required
Prior working experience with Citi Financial system (Specially General Ledgers) is a Big PLUS
Prior working knowledge on Inquiry framework
Prior experience with Citi tool – Inquiry Framework is a big PLUS
Knowledge of the Snowflake and S3 Buckets is plus and is preferred
Experience in production support and troubleshooting issues
Experience in Process optimization – SQL, ETL etc.

Job Responsibility

Contribute to full development life cycle, including requirements analysis, functional design, technical design, programming, testing, documentation, implementation, and on-going technical support
Contribute to projects/CR’s utilizing Ab-Initio (ETL), Python, Oracle SQL/PLSQL, Snowflake and Cloud Technologies
Ability and willingness to learn newer tools and technologies in cloud-based data analytics/Artificial intelligence arena and successfully deliver projects utilizing the same
Expected to provide sound understanding of application development concepts / principles and a basic knowledge of concepts and principles in other technology areas
Expected to Develop/Modify/Test/Migrate Reports
Expected to Develop/Modify/Test/Migrate Python,Starburst Framework
Support application builds and migrations with new technologies, architecture and integration
Expected to clearly articulate development and timeline dependencies
Improve team development related processes that accelerate delivery, drive innovation, lower costs, and improve quality

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
discretionary and formulaic incentive and retention awards

Fulltime

!

Digital Transformation Tech Authority

Lead the design, development, and deployment of advanced digital transformation ...

Location

United Kingdom , Newbury

Salary:

Not provided

Vodafone

Expiration Date

Until further notice

Requirements

Proven experience in process analysis, design, implementation, and system testing, including UAT and defect resolution
Strong scripting and programming skills across multiple languages and platforms
Deep familiarity with automation frameworks and advanced analytics tools
Confident communicator with the ability to influence and collaborate effectively with customers, suppliers, and internal stakeholders at all levels
Commitment to best practice, driving efficiency and eliminating unproductive activities
Agile mindset with adaptability to changing priorities and environments
Highly analytical and structured approach to problem-solving and decision-making
Proactive in identifying self-development needs and continuous learning
Demonstrated ability to lead complex projects, manage stakeholders, and deliver measurable business outcomes
Ability to manage multiple programmes and projects simultaneously, ensuring delivery against strategic objectives

Job Responsibility

Lead the design, development, and deployment of advanced digital transformation solutions across Core Transport, including intelligent and robotic automation, machine learning, predictive analytics, and big data capabilities
Drive innovation and continuous improvement, ensuring automation strategies align with business objectives
Build strong relationships with stakeholders and cross-functional teams, providing technical authority and guidance to deliver scalable automation solutions
Develop scripts and orchestration frameworks, overseeing performance optimisation, and championing new concepts that enable future-ready operations
Define and lead the design and implementation of digital solutions within automation engines and orchestration platforms, ensuring alignment with transformation objectives
Drive efficiencies through advanced analytics, automation, AI-driven cognitive learning, and digital visualisation to optimise operational performance
Leverage technology opportunities to deliver an integrated, simplified Network Operations model capable of supporting complex products and services
Develop and maintain scripts, automated workflows, and orchestration frameworks within intelligent automation platforms
Ensure operational readiness by overseeing integrated models, governance processes, and providing final project sign-off
Continuously review and innovate operational processes to identify and implement automation opportunities through software development and coding best practices

What we offer

Yearly bonus: 10%
Annual leave: 28 days + bank holidays + the opportunity to buy/sell/carry over 5 days/year
Charity days: 5 days/year
Maternity leave: 52 weeks: the first 13 weeks are fully paid, followed by 26 weeks of half pay
Private pension: You can contribute up to 5% of your basic pay with 2:1 matching from Vodafone up to 10%
Access to: private medical, private dental, free health assessments, share save scheme
Additional discounts: Vodafone retail, gym, cinema, cycle to work, season ticket loan

Fulltime

Big Data Application Development Senior Programmer

Citi

Location:
India , Chennai

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
November 05, 2025

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Big Data Application Development Senior Programmer

Citi

Location:India , Chennai

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:November 05, 2025

Looking for more opportunities? Search for other job offers that match your skills and interests.

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Digital Transformation Tech Authority

Location:
India , Chennai

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
November 05, 2025