CrawlJobs Logo

Senior Java Big Data Technical Engineer

https://www.citi.com/ Logo

Citi

Location Icon

Location:
India , Pune

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided
Save Job
Save Icon
Apply Position

Job Description:

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Job Responsibility:

  • Contribute significantly to both engineering and research initiatives within the EAP domain
  • Adopt a product-focused approach, ensuring the development of robust, scalable, and user-friendly solutions
  • Thrive in a fast-paced environment by continuously testing, learning, and tackling cutting-edge problems
  • Develop, Lead and inspire a team of developers working on cutting-edge applications
  • Manage one or more Applications Development teams in an effort to accomplish established goals as well as conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
  • Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
  • Review and analyze proposed technical solutions for projects
  • Contribute to formulation of strategies for applications development and other functional areas
  • Develop comprehensive knowledge of how areas of business integrate to accomplish business goals
  • Provide evaluative judgment based on analysis of factual data in complicated and unique situations
  • Impact the Applications Development area through monitoring delivery of end results, participate in budget management, and handling day-to-day staff management issues, including resource management and allocation of work within the team/project
  • Ensure essential procedures are followed and contribute to defining standards negotiating with external parties when necessary
  • 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, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards
  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • 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

Requirements:

  • 10+ years of relevant experience in Apps Development or systems analysis role
  • Extensive experience system analysis and in programming of software applications
  • Experience in managing and implementing successful projects
  • Subject Matter Expert (SME) in at least one area of Applications Development
  • Ability to adjust priorities quickly as circumstances dictate
  • Demonstrated leadership and project management skills
  • Consistently demonstrates clear and concise written and verbal communication
  • Highly experienced and skilled Java & Big Data Engineer technical lead with 10+years of experience with software building and platform engineering
  • Extensive knowledge of HDFS, Hive(Relevant experience of 8+ years)
  • Hands-on development expertise in Java with Spark
  • Hands on knowledge of core Java concepts and framework such as Spring Boot, Microservices and well versed with OOPs concepts and design patterns
  • Familiarity with data formats like Avro, Parquet, CSV, JSON
  • Java knowledge with advanced skills in multithreading and multiprocessing, along with extensive experience in efficiently processing large-scale data
  • Knowledge in Hadoop, YARN, Hive, Impala, Spark, and Spark SQL with extensive high volume of data processing pipeline development
  • Extensive development expertise in building the high scaled and performant software platforms for data computation and processing
  • Possess extensive experience in Data Modelling and Data Architecture, with a specialized focus on designing and implementing robust data solutions
  • Expert level knowledge of core Java concepts and framework such as Spring Boot, Microservices and well versed with OOPs concepts and design patterns
  • Java expert with advanced skills in multithreading and multiprocessing, along with extensive experience in efficiently processing large-scale data
  • Expertise and hands-on experience on working with Apache Spark using Java and understanding of the Bigdata ecosystem and design principles
  • Hands-on experience on Unix and python/shell scripting
  • Good knowledge in Hadoop, YARN, Hive, Spark, and Spark SQL with extensive high volume of data processing pipeline development
  • Strong computer science fundamentals in data structures, algorithms, databases, and operating systems
  • Highly experienced with Unix based operating systems and shell scripting
  • Strong analytical and logical skills
  • Hands-on experience in writing SQL queries
  • Experience with source code management tools such as Bitbucket, Git etc
  • Bachelor’s degree/University degree or equivalent experience
  • Master’s degree preferred

Additional Information:

Job Posted:
February 08, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Icon
Citi - All Job Offers
Job Link Share:
Copy Link Icon
Facebook Icon Twitter Icon LinkedIn Icon

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

Briefcase Icon

Similar Jobs for Senior Java Big Data Technical Engineer

Big Data Platform Senior Engineer

Lead Java Data Engineer to guide and mentor a talented team of engineers in buil...
Location
Location
Bahrain , Seef, Manama
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Significant hands-on experience developing high-performance Java applications (Java 11+ preferred) with strong foundation in core Java concepts, OOP, and OOAD
  • Proven experience building and maintaining data pipelines using technologies like Kafka, Apache Spark, or Apache Flink
  • Familiarity with event-driven architectures and experience in developing real-time, low-latency applications
  • Deep understanding of distributed systems concepts and experience with MPP platforms such as Trino (Presto) or Snowflake
  • Experience deploying and managing applications on container orchestration platforms like Kubernetes, OpenShift, or ECS
  • Demonstrated ability to lead and mentor engineering teams, communicate complex technical concepts effectively, and collaborate across diverse teams
  • Excellent problem-solving skills and data-driven approach to decision-making
Job Responsibility
Job Responsibility
  • Provide technical leadership and mentorship to a team of data engineers
  • Lead the design and development of highly scalable, low-latency, fault-tolerant data pipelines and platform components
  • Stay abreast of emerging open-source data technologies and evaluate their suitability for integration
  • Continuously identify and implement performance optimizations across the data platform
  • Partner closely with stakeholders across engineering, data science, and business teams to understand requirements
  • Drive the timely and high-quality delivery of data platform projects
  • Fulltime
Read More
Arrow Right

Senior Data Engineer

Senior Data Engineer – Dublin (Hybrid) Contract Role | 3 Days Onsite. We are see...
Location
Location
Ireland , Dublin
Salary
Salary:
Not provided
solasit.ie Logo
Solas IT Recruitment
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of experience as a Data Engineer working with distributed data systems
  • 4+ years of deep Snowflake experience, including performance tuning, SQL optimization, and data modelling
  • Strong hands-on experience with the Hadoop ecosystem: HDFS, Hive, Impala, Spark (PySpark preferred)
  • Oozie, Airflow, or similar orchestration tools
  • Proven expertise with PySpark, Spark SQL, and large-scale data processing patterns
  • Experience with Databricks and Delta Lake (or equivalent big-data platforms)
  • Strong programming background in Python, Scala, or Java
  • Experience with cloud services (AWS preferred): S3, Glue, EMR, Redshift, Lambda, Athena, etc.
Job Responsibility
Job Responsibility
  • Build, enhance, and maintain large-scale ETL/ELT pipelines using Hadoop ecosystem tools including HDFS, Hive, Impala, and Oozie/Airflow
  • Develop distributed data processing solutions with PySpark, Spark SQL, Scala, or Python to support complex data transformations
  • Implement scalable and secure data ingestion frameworks to support both batch and streaming workloads
  • Work hands-on with Snowflake to design performant data models, optimize queries, and establish solid data governance practices
  • Collaborate on the migration and modernization of current big-data workloads to cloud-native platforms and Databricks
  • Tune Hadoop, Spark, and Snowflake systems for performance, storage efficiency, and reliability
  • Apply best practices in data modelling, partitioning strategies, and job orchestration for large datasets
  • Integrate metadata management, lineage tracking, and governance standards across the platform
  • Build automated validation frameworks to ensure accuracy, completeness, and reliability of data pipelines
  • Develop unit, integration, and end-to-end testing for ETL workflows using Python, Spark, and dbt testing where applicable
Read More
Arrow Right

Senior Principal Data Platform Software Engineer

We’re looking for a Sr Principal Data Platform Software Engineer (P70) to be a k...
Location
Location
Salary
Salary:
239400.00 - 312550.00 USD / Year
https://www.atlassian.com Logo
Atlassian
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 15+ years in Data Engineering, Software Engineering, or related roles, with substantial exposure to big data ecosystems
  • Demonstrated experience building and operating data platforms or large‑scale data services in production
  • Proven track record of building services from the ground up (requirements → design → implementation → deployment → ongoing ownership)
  • Hands‑on experience with AWS, GCP (e.g., compute, storage, data, and streaming services) and cloud‑native architectures
  • Practical experience with big data technologies, such as Databricks, Apache Spark, AWS EMR, Apache Flink, or StarRocks
  • Strong programming skills in one or more of: Kotlin, Scala, Java, Python
  • Experience leading cross‑team technical initiatives and influencing senior stakeholders
  • Experience mentoring Staff/Principal engineers and lifting the technical bar for a team or org
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience
Job Responsibility
Job Responsibility
  • Design, develop and own delivery of high quality big data and analytical platform solutions aiming to solve Atlassian’s needs to support millions of users with optimal cost, minimal latency and maximum reliability
  • Improve and operate large‑scale distributed data systems in the cloud (primarily AWS, with increasing integration with GCP and Kubernetes‑based microservices)
  • Drive the evolution of our high-performance analytical databases and its integrations with products, cloud infrastructures (AWS and GCP) and isolated cloud environments
  • Help define and uplift engineering and operational standards for petabyte scale data platforms, with sub‑second analytic queries and multi‑region availability (coding guidelines, code review practices, observability, incident response, SLIs/SLOs)
  • Partner across multiple product and platform teams (including Analytics, Marketplace/Ecosystem, Core Data Platform, ML Platform, Search, and Oasis/FedRAMP) to deliver company‑wide initiatives that depend on reliable, high‑quality data
  • Act as a technical mentor and multiplier, raising the bar on design quality, code quality, and operational excellence across the broader team
  • Design and implement self‑healing, resilient data platforms with strong observability, fault tolerance, and recovery characteristics
  • Own the long‑term architecture and technical direction of Atlassian’s product data platform with projects that are directly tied to Atlassian’s company-level OKRs
  • Be accountable for the reliability, cost efficiency, and strategic direction of Atlassian’s product analytical data platform
  • Partner with executives and influence senior leaders to align engineering efforts with Atlassian’s long-term business objectives
What we offer
What we offer
  • health and wellbeing resources
  • paid volunteer days
  • Fulltime
Read More
Arrow Right

Senior Java Developer

The Fixed Income Data team is experiencing rapid growth, committed to delivering...
Location
Location
Canada , Mississauga
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3-5 years of demonstrable and relevant experience in software development, with a strong focus on API development and big data solutions
  • expertise in developing high-performance APIs for large-scale data platforms and distributed systems
  • extensive hands-on experience with data distribution platforms like Apache Kafka, and various big data storage/querying systems (e.g., Trino, Pinot, Druid, Ignite) for low-latency access via APIs
  • solid understanding of Java / Scala with a focus on building high-performance, concurrent applications
  • strong experience with the Spring stack, particularly Spring Boot for building microservices that expose data via APIs
  • expert-level understanding and demonstrable experience in REST API development for data reporting and consumption
  • demonstrable experience in writing reusable, testable, and efficient code with proper error and exception handling, especially for fault-tolerant API services
  • experience with the design and implementation of cloud-native applications and deployment via Kubernetes / OpenShift, specifically for managing API-driven data services
  • hands-on experience in handling various data structures and optimizing them for API consumption and analytical queries
  • experience with API Gateway, Circuit Breaker, Spring Security, Discovery Server, and monitoring services (e.g., Prometheus, Grafana) is a plus, particularly in an API-driven data ecosystem
Job Responsibility
Job Responsibility
  • design, develop, and implement highly scalable and resilient API services for data access and processing, leveraging big data platforms
  • conduct feasibility studies, time and cost estimates for new API-driven data solutions and establish and implement new or revised applications and systems to meet specific business needs or user areas
  • monitor and control all phases of the development process (analysis, design, construction, testing, and deployment) for API-driven data applications, providing operational support
  • utilize in-depth specialty knowledge of API development for big data environments and analytics to analyze complex problems/issues, evaluate business processes, system processes, and industry standards, and make evaluative judgments
  • ensure essential procedures are followed and help define operating standards and processes for API-driven data infrastructure
  • serve as an advisor or coach to new or junior analysts on API development and big data access best practices
  • operate with a limited level of direct supervision, exercising independence of judgment and autonomy
  • act as a Subject Matter Expert (SME) to senior stakeholders and/or other team members on data API technologies and their application in finance
What we offer
What we offer
  • flexibility to work with a global team across geographies and time zones
  • Fulltime
Read More
Arrow Right

Big Data Program Lead

As part of Citi’s broad transformation strategy, Data Engineering group is under...
Location
Location
India , Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years relevant experience on building data engineering solutions for large scale Operational and Data Warehouse implementations
  • consistently demonstrates clear and concise written and verbal communication
  • management and prioritization skills
  • 8+ years experience in building enterprise data warehouse systems in finance sector is preferable
  • 8+ years of relevant experience in Application Development for Enterprise
  • must Technical Skills - Java/Scala, Hadoop, Python, Hive, Impala, Kafka and Elastic
  • Apache Iceberg
  • Databases: Oracle
  • Netezza
  • must Core Skills - 10+ years experience in handling Large Teams: IT Projects Design and Development
Job Responsibility
Job Responsibility
  • provides architectural vision, ensuring architecture conforms to enterprise blueprints
  • develops architecture, strategy, planning, and problem solving solutions on an enterprise level
  • interfaces across several channels, acting as a visionary to proactively assist in defining direction for future projects
  • maintains continuous awareness of business, technical, and infrastructure issues and acts as a sounding board or consultant to aid in the development of creative solutions
  • experience with developing metadata driven frameworks for data processing/transformation and built real-time processing solutions
  • hands-on data engineer with core skillset on Big Data stack of technologies including but not limited to, Spark with Scala, Hive, Impala, Kafka, Solace, Iceberg format tables etc.
  • position requires excellent communication skills to drive the change required and ability to translate the vision into technical artifacts
  • identify and apply optimization techniques to improve performance of existing applications
  • provides thought leadership in subjects that are key to the business
  • provides senior-level technical consulting and mentoring during design and development for highly complex and critical data projects
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - UltraGrid

This is an excellent opportunity for god-tier engineers to join a very experienc...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
hypervolt.co.uk Logo
Hypervolt Limited
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of professional software development experience, with a strong focus on architecting, optimizing, and delivering performance-critical systems
  • Deep expertise in Java, Scala and the JDK, leveraging the Java ecosystem for high-performance applications. Proficiency in Rust is a bonus
  • Experience with NixOS is considered a huge plus
  • Proven ability to diagnose, profile, and optimize complex systems using advanced performance analysis tools and methodologies
  • Demonstrated experience in tuning multi-threaded and parallel computing environments, managing concurrency, and applying lock-free designs for efficient resource utilization
  • Familiarity with performance engineering technologies and low-cost always on profiling, metrics and observability
  • Extensive understanding of foundational computer science principles, data structures, and algorithms
  • Extensive understanding of networking and fundamental building blocks of the Internet
  • Firm grasp of distributed consensus algorithms and their practical applications in building scalable, reliable systems
  • Exceptional analytical skills to identify and resolve intricate performance bottlenecks in production-level systems
Job Responsibility
Job Responsibility
  • Working on streaming, networking, storage, and other facets of the system, with an extreme focus on cost and performance
What we offer
What we offer
  • Competitive Compensation
  • Stock options
  • Comprehensive Coverage: Health, dental, and vision plans, plus wellness and mental health support
  • Work-Life Flexibility
  • Additional Perks: We'll buy you a laptop. Whichever one you want
  • Innovative Environment: A culture like no other. Work with peers and people who truly value exceptionally good software
Read More
Arrow Right

Senior Software Engineer

We are currently seeking a Senior Software Engineer preferably with an interest ...
Location
Location
Salary
Salary:
Not provided
plurismarketing.com Logo
Pluris
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A bachelor’s degree or foreign equivalent in computer science or related discipline
  • 5 years of progressive, post-baccalaureate experience in Information Technology in development and application support or infrastructure operations
  • 4 years of scripting and programming experience in JavaScript, SQL, Oracle Perl Shell Scripting, and C/C++
  • 3 years’ experience in Unix/Linux environment, including scripting experience
  • 2 years’ experience integrating enterprise class systems in decision support and operational environments
  • 2 years’ experience in operational support of client systems
  • Programming experience (Java, PHP, C/C++)
  • 2 years’ experience with very large database design and development
  • Excellent verbal and written communication skills
  • Outstanding customer service skills
Job Responsibility
Job Responsibility
  • Design complex Oracle SQL queries, including performance optimization
  • Design, build and execute web applications including all aspects of user interface development, testing and client acceptance
  • Comprehend and write shell scripts using Unix/Linux native shell commands, Perl and PHP, Java codes using Eclipse
  • Support large bodies of existing code utilizing big data models and multiple data manipulation techniques
  • Participate in systems integration in decision support and operational (transactional) environments
  • Map from business requirements directly to technical design
  • Develop, implement, and maintain large database sets
  • Manage client systems and provide 24/7 operational support
  • Oversee and manage work of technical and functional teams in collaboration with business users and lead large project and/ or system implementations
  • Communicate complex and difficult concepts clearly with business and external partners
What we offer
What we offer
  • Very competitive base salary and bonus plan
  • The top rated health care plan – with very low cost to employees
  • Uncapped 401k retirement plan match
  • Seasonal offsite team activities (Rowing on the Charles, sporting events, paintball, bowling, etc.)
Read More
Arrow Right

Senior Software Engineer - Core

We are looking for a Senior Software Engineer to join the development team behin...
Location
Location
Armenia , Yerevan
Salary
Salary:
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong proficiency in C/C++
  • Core Java understanding (just a plus)
  • Experience with at least one scripting languages: sh/bash/ksh, powershell
  • Good understanding of operating system concepts: file systems, networking protocols, processes, IPC
  • Familarity with tooling: debuggers (gdb, windgb), profilers
  • Solid understanding of basic Computer Science concepts (data structures and algorithms)
  • Experience in low-level and system programming is a big plus: concurrent programming, synchronization, memory management, languages runtimes, memory standard libraries
  • Familarity with programming for Linux/Windows/macOS, Solaris is a plus
  • Experience with assembly for x86/Arm is a plus
  • BS/BA in Computer Science or equivalent
Job Responsibility
Job Responsibility
  • Contribute to the functionality, quality, and timely delivery of the builds of OpenJDK
  • Design and implement new product features and enhancements
  • Participate in OpenJDK development
  • Provide technical expertise to field engineering and customer services
What we offer
What we offer
  • Equity Program - be part of the company success
  • Annual bonus based on company performance
  • Referral Program - bring your colleague we would all love to work with
  • IT Equipment - MacBook Pro or any other HW according to your preferences
  • Work-life balance - 5 weeks of holidays, 5 sick days, flexible working hours, 100% work from home also possible
  • Offices in Yerevan City Centre - if you prefer
  • Most importantly you will work with top experts worldwide who contribute to the Java ecosystem
  • Fulltime
Read More
Arrow Right
Jobs by Category
Art and Entertainment Jobs Banking Jobs Call Center Jobs Construction Jobs Consulting Jobs Customer Service Jobs Education Jobs Energy Jobs Finance Jobs Gastronomy Jobs Health and Beauty Jobs Hospitality and Tourism Jobs Human Resources Jobs Insurance Jobs IT - Administration Jobs IT - Software Development Jobs Legal Jobs Logistics Jobs Manufacturing Jobs Marketing, Digital Marketing, SEO, SEM Jobs Media Jobs Nursing Jobs Office Administration Jobs Pharmacy Jobs Physical Work Jobs Public Relations Jobs Public Sector Jobs Purchasing Jobs Quality Control Jobs Real Estate Jobs Research and Development Jobs Sales Jobs
Job Positions Jobs by Country
United States Jobs United Kingdom Jobs India Jobs Canada Jobs Australia Jobs Germany Jobs Ireland Jobs Poland Jobs
Company
Blog About Us Contact
Follow Us
Facebook
X (Twitter)
LinkedIn
Instagram
CrawlJobs Group
ITFlashcards AllDevBlogs
© 2026 CrawlJobs Ltd. All Rights Reserved
Terms & Conditions Privacy Policy