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

New

Enterprise Architecture Specialist - AI&Data

The Senior Enterprise Architecture for the AI & Data Domain will provide central...

Location

United Kingdom , Newbury

Salary:

Not provided

Vodafone

Expiration Date

Until further notice

Requirements

Academic Degree in Information Technology, Information Systems, Business Management, Computer Science, or similar required
3-5 years+ experience within IT programme management, IT Strategy, IT Systems Management, Enterprise Architecture or similar
Up-to-date certifications in Agile Way of Working, with working knowledge of SAFe, SCRUM, Spotify model etc. TOGAF certification is preferred
Outstanding written communications and presentation skillset with both internal stakeholders and external customers
Knowledge of Agile collaboration tools (Jira, Azure DevOps, Confluence, Mural etc)
In-depth understanding of enterprise architecture frameworks such as TOGAF and eTOM, with a proven track record in conducting architectural planning for complex modernization and transformation programs
Proficiency in technology delivery tooling including the creation of architecture deliverables (e.g., architecture diagrams) and demand flow management (e.g., Jira, Confluence), along with excellent technical authoring skills
Strong experience with AI and machine learning algorithms and frameworks (e.g., TensorFlow, PyTorch)
Strong experience in architecting Data warehouse, BI & big data platforms on cloud
In-depth knowledge of cloud platforms such as AWS, Azure Cloud, or Google Cloud

Job Responsibility

Developing or Publishing Reference Architectures and Designs (Logical, Functional, and Application Architectures) that address both market-specific and global strategic priorities in accordance with industry and Vodafone standards
Continuous Evolution of the architectural landscape, ensuring it remains fit for purpose and responsive to changing business demands
Component Definition and Inventory Management: Define V-ODA components in relation to the domain and ensure domain-specific application inventories are accurate and well-maintained
Compliance: Maintain architecture decision logs, draft and update relevant policies, and manage compliance with architectural standards and governance frameworks
High-quality architecture deliverables including comprehensive and accurate architecture diagrams, white papers, and policy and standard documentation
Successful design and implementation of Data & AI architectures
Efficient and scalable Data & AI solutions
Strategic Alignment achieved between local business objectives and global technology capabilities, as evidenced by the successful implementation of Reference Architectures and Designs

What we offer

Discretionary 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/adoption leave: 52 weeks out of which the first 13 weeks are fully paid followed by 26 weeks of half pay and 6 months - working 4 days, getting paid 5
Paternity leave: 16 weeks fully paid
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

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

New

Channel Operations Executive

We are seeking a highly motivated Channel Operations Executive to manage a book ...

Location

India , Chennai

Salary:

Not provided

Randstad

Expiration Date

February 19, 2026

Requirements

An ambitious, motivated, competitive individual, who is result orientated
Someone who is coachable and constantly looking to improve
A hard working, resilient individual, who is accountable
Excellent relationship building capabilities with a curious mindset
High energy, driven, creative and able to lead by example to achieve target
Proven experience in dealing with multi-national companies
The ability to identify new revenue opportunities and maximise product potential
An excellent written and verbal communicator, able to build successful relationships both internally and externally
High motivated, dynamic, resilient, and target driven
Experience using a CRM system

Job Responsibility

Managing a defined set of Subscription Agents and the renewals that sit with them, fostering exceptional relationships to maintain current figures and hit annual uplift targets
Encouraging Subscription Agents to provide new business opportunities and upsells to existing accounts
Using Salesforce, effectively managing and forecasting renewals
Delivering pricing to Subscription Agents and confirming and closing renewals
Processing orders through Salesforce
Working closely with our and Subscription Agents finance teams to ensure correct invoices go to Subscription Agents and ensuring renewal payments are received in a timely manner
Helping Subscription Agents and End User customers with queries to ensure we deliver exceptional customer service
Engaging with customers who cancel to win them back

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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Location:
India , Chennai

Category:
IT - Software Development

Contract Type:
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Job Posted:
November 05, 2025