Application Production Support - Hadoop Job at Enormous Enterprise (Plano)

L2 Application Support Analyst – Financial Systems

Join Citi's Production and Application Support team, where you will keep mission...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

6 or more years of experience in application or production support, with at least 2 years operating at an advanced level in a financial services environment
Hands-on capability with Unix/Linux, including scripting, file manipulation, and job control, combined with advanced SQL skills across platforms such as MSSQL or Oracle, including stored procedures, SSIS, and SSRS
Practical experience working with Big Data technologies — Hadoop, Hive, and Spark — and job scheduling tools such as Autosys, including log analysis and pipeline troubleshooting
Solid knowledge of financial instruments and trade lifecycle operations, covering Equities, Fixed Income, Secured Financing, Derivatives, and Liquidity Management
Familiarity with front office and back office workflows, including reporting operations and the systems that support them
Demonstrated ability to analyse complex, time-sensitive issues systematically and communicate findings clearly to both technical and business audiences
Working knowledge of ITIL practices, including incident management, problem management, and change management processes
Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience

Job Responsibility

Deliver L2 production support for mission-critical liquidity reporting and financial applications, maintaining high availability and consistent performance across the trading lifecycle
Monitor, triage, and resolve production incidents related to trade capture, batch processing failures, position keeping, market data, pricing, and risk and liquidity reporting
Manage scheduled jobs, alerts, and system logs using job scheduling tools and Unix-based monitoring platforms to prevent and contain service disruptions
Execute advanced SQL queries and scripts to analyse data, validate outputs, and resolve data integrity issues across multiple application layers
Troubleshoot data pipeline failures across applications built on stored procedures, reporting services, and Big Data ecosystems including Hadoop, Hive, and Spark
Lead root cause analysis for major incidents, coordinate post-incident reviews, and implement permanent fixes to prevent recurrence
Coordinate change management and release activities, including deployment validations and post-release checks, to maintain production stability
Maintain and improve operational knowledge bases, standard operating procedures, and runbooks to support team effectiveness and knowledge continuity

What we offer

Hybrid working model — 3 days in the office and 2 days working remotely, giving you flexibility alongside meaningful in-person collaboration
Exposure to complex, high-stakes financial systems spanning multiple asset classes and trading workflows, deepening both your technical and domain expertise
Access to learning and development opportunities that support your growth across production support, financial technology, and service management disciplines
The opportunity to work across global teams, collaborating with infrastructure, development, and business stakeholders on initiatives that improve system resilience and service quality
A supportive environment that values work-life balance, wellbeing, and long-term career development within one of the world's leading financial institutions

Fulltime

Application Support Manager

This role is an intermediate-level position responsible for providing dedicated ...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

14+ years of relevant experience in production support role
Proficiency in Autosys, VBA, and experience with low-code platforms like Appian
Experience in Hadoop (Cloudera)/Big data technologies and Snowflake
Hands on experience in Dockers and Kubernetes with strong understanding of business is preferred
Hands-on experience with LSE, Bitbucket/Git, RLM, and Jenkins
Experience with Tableau for creating dashboards and reports
Expertise in SAS or Python for data analysis, MIS, and visualization
Proficiency in SQL for data extraction and manipulation
Strong scripting skills (e.g., Python, Shell) are a plus
Strong analytical and problem-solving skills

Job Responsibility

Provide dedicated support for production environments, including troubleshooting issues, responding to user queries, and ensuring system availability
To be part of the Cloud migration journey and support the business from Day1 on migration to cloud
Utilize Bitbucket/Git for version control and RLM and Jenkins for continuous integration and deployment of automation scripts and applications
Create and maintain dashboards and reports using Citi tools to monitor system performance and provide insights to stakeholders
Design, develop, and maintain MIS reports and dashboards using SAS and/or Python to track key performance indicators and provide insights into Engineering, Framework and Platform teams within ISG
Continuously identify opportunities for process improvement and automation to enhance efficiency and reduce processing time and reduce Turnaround for batches
Collaborate with L1-L2 Support team, Framework, Platform and Engineering teams and target reduction in Incidents and Problems

Fulltime

New

Senior Full Stack Developer

The Full Stack Developer is responsible for Design, development, and maintaining...

Location

United States , Jersey City

Salary:

121200.00 - 181800.00 USD / Year

Citi

Expiration Date

July 02, 2026

Requirements

6+ years of experience as a Senior Java Developer with hands on end-to-end solutions
Java 8+ with strong expertise in Spring, Hibernate, and Java-based frameworks
Expert in Java microservice based architecture and REST APIs
Knowledge in data processing and storage solutions like Apache Hadoop, Spark, and/or NoSQL databases
Experience in relational databases like Oracle, DB2, SQL server
Experience in working with in memory database and cache like Redis
Experienced in data streaming using kafka
Experience with cloud platforms like AWS, Azure, or Google Cloud
Strong understanding of data structures, algorithms, and software design patterns
Experience with containerization (Docker) and orchestration (Kubernetes)

Job Responsibility

Responsible for design and development as a full stack java to build very high-volume, low-latency enterprise applications that can adapt and scale to changing market conditions
Understanding the impact of adapting different architectures and designs and present the same to all relevant stakeholders
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
Development of solutions following established technical design, application development standards and quality processes in projects
Understanding the client requirements and envision the solution that can be captured as respective user stories in JIRA
Work with large datasets and develop efficient algorithms for data processing and analysis
Collaborate with cross-functional teams to identify and prioritize project requirements
Implement AI/ML models using popular frameworks and libraries
Ensure high-quality code delivery with robust testing and validation
Excellent verbal and written communication skills, enabling effective collaboration with cross-functional teams, stakeholders, and management

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

Fulltime

!

Security Data Engineer

We are looking for a Security Data Engineer to join our team in Costa Mesa, Cali...

Location

United States , Costa Mesa

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Experience building and supporting data pipelines in a data lake or large-scale data engineering environment
Strong programming skills in Python and hands-on experience with Apache Spark, Apache Hadoop, Apache Kafka, and ETL development
Practical knowledge of Amazon Web Services (AWS) and infrastructure automation tools such as AWS CDK and Infrastructure as Code frameworks
Experience maintaining pipeline reliability, troubleshooting ingestion issues, and improving operational stability in production environments
Ability to work directly with internal stakeholders to locate source data, obtain access, and move integrations forward
Familiarity with data analysis and data cleaning techniques that improve downstream usability and trust in datasets
Exposure to CI/CD practices and deployment automation for data engineering workflows
Additional programming experience in Rust or Go is preferred

Job Responsibility

Take ownership of the data ingestion layer for an existing data lake, ensuring steady performance and dependable delivery of incoming datasets
Reduce a defined backlog of pipeline work during the first 90 days by building and activating prioritized ingestion workflows
Assume responsibility for pipeline components transitioned from the lead engineer and continue their operational support without disrupting established foundations
Support and improve current ETL processes by monitoring health, resolving failures, and extending coverage where needed
Integrate new source systems, including platforms such as Rippling and Workday, into the broader data ecosystem
Coordinate with internal application and system owners to identify data sources, secure appropriate access, and obtain logs or source records required for ingestion
Apply data cleaning and analysis practices to improve data quality and maintain consistency across inbound datasets
Contribute to infrastructure and deployment workflows using AWS, AWS CDK, Infrastructure as Code, and CI/CD practices to support scalable pipeline operations

What we offer

Medical, vision, dental, and life and disability insurance
Eligibility to enroll in company 401(k) plan
Free online training

Lead Data Engineer

Lead Data Engineer Do you love building and pioneering in the technology space?...

Location

United States , San Francisco; New York

Salary:

215200.00 - 245600.00 USD / Year

Capital One

Expiration Date

Until further notice

Requirements

Bachelor's Degree
At least 4 years of experience in application development (Internship experience does not apply)
At least 2 years of experience in big data technologies
At least 1 year experience with cloud computing (AWS, Microsoft Azure, Google Cloud)
7+ years of experience in application development including Python, SQL, Scala, or Java
4+ years of experience with a public cloud (AWS, Microsoft Azure, Google Cloud)
4+ years experience with Distributed data/computing tools (MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, or MySQL)
4+ year experience working on real-time data and streaming applications
4+ years of experience with NoSQL implementation (Mongo, Cassandra)
4+ years of data warehousing experience (Redshift or Snowflake)

Job Responsibility

Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies
Work with a team of developers with deep experience in machine learning, distributed microservices, and full stack systems
Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases and Cloud based data warehousing services such as Redshift and Snowflake
Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, and mentoring other members of the engineering community
Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment
Perform unit tests and conduct reviews with other team members to make sure your code is rigorously designed, elegantly coded, and effectively tuned for performance

What we offer

Performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
comprehensive, competitive, and inclusive set of health, financial and other benefits

Fulltime

Application Development Lead - Senior Vice President

The Applications Development Technology Senior Lead Analyst is a senior level po...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

10+ years of relevant experience
Experience in implementing projects
Experience in systems analysis and programming of software applications
Demonstrated Subject Matter Expert (SME) in area(s) of Applications Development
Demonstrated knowledge of client core business functions
Demonstrated leadership, project management, and development skills
Relationship and consensus building skills
10-12 years in developing and managing enterprise-grade applications
Solid foundation in OOP concepts
Expertise in PySpark, HDFS, Hive, Sqoop, and Hadoop for Big Data environments

Job Responsibility

Lead integration of functions to meet goals, deploy new products, and enhance processes
Analyze complex business processes, system processes, and industry standards to define and develop solutions to high level problems
Provide expertise in area of advanced knowledge of applications programming and plan assignments involving large budgets, cross functional project, or multiple projects
Develop application methodologies and standards for program analysis, design, coding, testing, debugging, and implementation
Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals
Consult with end users to identify system function specifications and incorporate into overall system design
Allocate work, and act as an advisor/coach developers, analysts, and new team members
Influence and negotiate with senior leaders and communicate with external parties
Appropriately assess risk when business decisions are made
Design & Development: Create and optimize scalable ETL pipelines using PySpark for massive datasets

Fulltime

Associate Machine Learning Engineer

The Associate Machine Learning Engineer position offers a unique opportunity to ...

Location

India , Hyderabad

Salary:

Not provided

Amgen

Expiration Date

Until further notice

Requirements

Any degree and 3 to 5 years of Computer Science, IT or related field experience
Strong foundations in machine learning algorithms and techniques
Experience in MLOps practices and tools (e.g., MLflow, Kubeflow, Airflow)
Experience in model monitoring, including model observability and explainability
Proficiency in Python (or R) and relevant ML libraries (e.g., TensorFlow, PyTorch, Scikit-learn)
Experience with big data technologies (e.g., Spark, Hadoop), and performance tuning in query and data processing
Understanding of the LLM inference lifecycle, including prompt execution, retrieval, and response generation
Awareness of common LLM failure modes such as hallucinations, prompt injection, and data leakage

Job Responsibility

Collaborate with data scientists to develop, train, and evaluate machine learning models
Build and maintain MLOps pipelines, including data ingestion, feature engineering, model training, deployment, and monitoring
Leverage cloud platforms (AWS, Databricks) for ML model development, training, and deployment
Develop solutions using DevSecOps framework that are secure, scalable, reliable, and aligned with enterprise architecture standards
Evaluate model performance using appropriate metrics and optimize models for accuracy and efficiency
Develop and execute unit tests, integration tests, and other testing strategies to ensure the quality of the software
Create and maintain documentation on software architecture, design, deployment, disaster recovery, and operations
Identify and resolve technical challenges effectively
Provide ongoing support and maintenance for applications, ensuring that they operate smoothly and efficiently
Analyze customer feedback and support data to identify pain points and opportunities for improvement

Fulltime

Applications Support Senior Analyst - Assistant Vice President

The Applications Support Senior Analyst is a seasoned professional role. Applies...

Location

Canada , Mississauga

Salary:

94300.00 - 141500.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

4+ years experience
Experience is supporting applications using ECS cluster, API Microservices, optional Kafka, Solace
Strong working experience of Databases – Mongo, SQL, optional Hadoop
Knowledge of active monitoring tools ITRS, opt. GCO
Knowledge/ experience of problem Management Tools
Basic Business knowledge/ understanding of financial markets and products
24X7 support in follow-the-sun mode
Knowledge/ experience of problem Management Tools
working experience of Cloud Computing – RedHat OpenShift, AWS EKS, etc

Job Responsibility

Provides technical and business support for users of Citi Applications
Provides quick resolutions to app issues, driving stability, efficiency and effectiveness improvements
Maintains application systems that have completed the development stage and are running in the daily operations of the firm
Manages, maintains and supports applications and their operating environments, focusing on stability, quality and functionality against service level expectations
Start of day checks, continuous monitoring, and regional handover
Perform same day risk reconciliations
Develop and maintain technical support documentation
Identifies ways to maximize the potential of the applications used
Assess risk and impact of production issues and escalate to business and technology management in a timely manner
Ensures that storage and archiving procedures are in place and functioning correctly

Fulltime

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Application Production Support - Hadoop

Job Description

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