Senior Big Data Engineer Job at Citi (Mississauga)

Senior Big Data Engineer

Start.io is a mobile marketing and audience platform. Start.io empowers the mobi...

Location

Poland , Warsaw

Salary:

Not provided

Start.io

Expiration Date

Until further notice

Requirements

B.Sc. or M.Sc. in Computer Science, Software Engineering, or other equivalent fields.
5+ years of hands-on experience in backend or ML engineering
Strong Python skills and experience working with distributed systems and parallel data processing frameworks such as Spark (using PySpark or Scala), Dask, or similar technologies. Familiarity with Scala is a strong advantage, especially in performance-critical environments.
Proven track record in designing and scaling ML infrastructure
Deep understanding of ML workflows and lifecycle management
Experience in cloud environments (AWS, GCP, OCI) and containerized deployment (Kubernetes)
Understanding databases and SQL for data retrieval.
Strong communication skills and ability to drive initiatives independently
A passion for clean code, elegant architecture, and measurable impact
Monitoring and alerting tools (e.g. Grafana, Kibana)

Job Responsibility

Design and implement large-scale, distributed ML training pipelines
Build scalable infrastructure for data preprocessing, feature engineering, and model evaluation
Lead the technical design and development of new ML systems: from architecture to production
Collaborate cross-functionally with DS, infra teams, Product, BA and Engineering teams to define and deliver impactful solutions
Own the full lifecycle of ML infra: tooling, versioning, monitoring, automation, measuring results and quickly responding to critical issues.
Continuously research and adopt best-in-class practices in MLOps, performance tuning, and distributed systems

Senior Big Data Engineer

Senior Big Data Engineer - Assistant Vice President is accountable for developin...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

First Class Degree in Engineering/Technology (4-year graduate course)
8 to 11 years’ experience implementing data-intensive solutions using agile methodologies
Experience of relational databases and using SQL for data querying, transformation and manipulation
Experience of modelling data for analytical consumers
Ability to automate and streamline the build, test and deployment of data pipelines
Experience in cloud native technologies and patterns
A passion for learning new technologies, and a desire for personal growth, through self-study, formal classes, or on-the-job training
Excellent communication and problem-solving skills
An inclination to mentor
an ability to lead and deliver medium sized components independently

Job Responsibility

Developing and supporting scalable, extensible, and highly available data solutions
Deliver on critical business priorities while ensuring alignment with the wider architectural vision
Identify and help address potential risks in the data supply chain
Follow and contribute to technical standards
Design and develop analytical data models

Fulltime

Senior Big Data Engineer

The Big Data Engineer is a senior level position responsible for establishing an...

Location

Canada , Mississauga

Salary:

94300.00 - 141500.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

5+ Years of Experience in Big Data Engineering (PySpark)
Data Pipeline Development: Design, build, and maintain scalable ETL/ELT pipelines to ingest, transform, and load data from multiple sources
Big Data Infrastructure: Develop and manage large-scale data processing systems using frameworks like Apache Spark, Hadoop, and Kafka
Proficiency in programming languages like Python, or Scala
Strong expertise in data processing frameworks such as Apache Spark, Hadoop
Expertise in Data Lakehouse technologies (Apache Iceberg, Apache Hudi, Trino)
Experience with cloud data platforms like AWS (Glue, EMR, Redshift), Azure (Synapse), or GCP (BigQuery)
Expertise in SQL and database technologies (e.g., Oracle, PostgreSQL, etc.)
Experience with data orchestration tools like Apache Airflow or Prefect
Familiarity with containerization (Docker, Kubernetes) is a plus

Job Responsibility

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 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

What we offer

Well-being support
Growth opportunities
Work-life balance support

Fulltime

Senior Big Data Engineer

Location

United States , Flowood

Salary:

Not provided

PhasorSoft Group

Expiration Date

Until further notice

Requirements

Proficiency in Python programming for data manipulation and analysis
Experience with PySpark for processing large-scale data
Strong understanding and practical experience with big data technologies such as Hadoop, Spark, Kafka, etc.
Knowledge of designing and implementing ETL processes for data integration
Ability to work with large datasets, perform data cleansing, transformations, and aggregations
Familiarity with machine learning concepts and experience implementing ML models
Understanding of data governance principles and experience implementing data security measures
Ability to create clear and concise documentation for data pipelines and processes
Strong teamwork and collaboration skills to work with cross-functional teams
Analytical and problem-solving skills to optimize data workflows and processes

Job Responsibility

Design and develop scalable data pipelines and solutions using Python and PySpark
Utilize big data technologies such as Hadoop, Spark, Kafka, or similar tools for processing and analyzing large datasets
Develop and maintain ETL processes to extract, transform, and load data into data lakes or warehouses
Collaborate with data engineers and scientists to implement machine learning models and algorithms
Optimize and tune data processing workflows for performance and efficiency
Implement data governance and security measures to ensure data integrity and privacy
Create and maintain documentation for data pipelines, workflows, and processes
Provide technical leadership and mentorship to junior team members

Fulltime

Senior Data Engineer, Big Data

This role is essential for designing and developing data architectures across on...

Location

United States , New York; Philadelphia

Salary:

105100.00 - 189600.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience
4-7 years Developing cloud solutions using data series
experience with cloud platforms (Amazon Web Services, Azure, or Google Cloud)
4-7 years Hands-on development using and migrating data to cloud platforms
4-7 years Experience in SQL, NoSQL, and/or relational database design and development
4-7 years Advanced knowledge and experience in building complex data pipelines with Python, Experience in languages such as SQL, DAX Python, Java, Scala, and/or Go
At least 18 years of age
Legally authorized to work in the United States

Job Responsibility

Develop data engineering solutions that enable data pipelines, visualization, and analytical tools to support business requirements
Design and develop data architectures across on-premise, cloud, and hybrid platforms to ensure scalable data infrastructure
Perform data wrangling, exploration, and discovery of heterogeneous data to generate new business insights
Contribute to team knowledge sharing and drive the advancement of new data engineering capabilities
Mentor team members to build and enhance their data engineering skillsets and professional growth
Assist management in project definition, including estimating, planning, and scoping work to meet objectives
Also responsible for other duties/projects as assigned by business management as needed

What we offer

annual stock grant
employee stock purchase plan
401(k)
free, year-round money coaches
medical insurance
dental insurance
vision insurance
flexible spending account
paid time off
up to 12 paid holidays

Fulltime

Senior Solutions Engineer – Big Data & Data Infrastructure

This is a great opportunity to be part of one of the fastest-growing infrastruct...

Location

Israel , Tel Aviv

Salary:

Not provided

VAST Data

Expiration Date

Until further notice

Requirements

2–4 years in software / solution or infrastructure engineering
2–4 years focused on building / maintaining large-scale data pipelines / storage & database solutions
Proficiency in Trino, Spark (Structured Streaming & batch) and solid working knowledge of Apache Kafka
Coding background in Python (must-have)
Deep understanding of data storage architectures including SQL, NoSQL, and HDFS
Solid grasp of DevOps practices, including containerization (Docker), orchestration (Kubernetes), and infrastructure provisioning (Terraform)
Experience with distributed systems, stream processing, and event-driven architecture
Hands-on familiarity with benchmarking and performance profiling for storage systems, databases, and analytics engines
Excellent communication skills

Job Responsibility

Build distributed data pipelines using technologies like Kafka, Spark (batch & streaming), Python, Trino, Airflow, and S3-compatible data lakes
Design, deploy, and troubleshoot hybrid cloud/on-prem environments using Terraform, Docker, Kubernetes, and CI/CD automation tools
Implement event-driven and serverless workflows
Create technical guides, architecture docs, and demo pipelines
Integrate data validation, observability tools, and governance directly into the pipeline lifecycle
Own end-to-end platform lifecycle: ingestion → transformation → storage (Parquet/ORC on S3) → compute layer (Trino/Spark)
Benchmark and tune storage backends (S3/NFS/SMB) and compute layers for throughput, latency, and scalability using production datasets
Work cross-functionally with R&D to push performance limits across interactive, streaming, and ML-ready analytics workloads
Operate and debug object store–backed data lake infrastructure

Senior Big Data Engineer - Assistant Vice President

The Senior Data Engineer (C12 – AVP) is a senior-level position responsible for ...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

9–12 years of relevant experience in data analysis and data engineering, preferably within the Financial Services or Banking industry
Proven interpersonal, diplomatic, management, and prioritization skills
Consistently demonstrates clear and concise written and verbal communication
Proven ability to manage multiple activities, build strong working relationships, and work effectively under pressure
Demonstrated strong problem-solving, analytical, and decision-making skills with a methodical attention to detail
Proven self-motivation to take initiative and master new tasks and technologies quickly
Education: Bachelor's degree / University degree in a technical or business discipline (Computer Science, Information Systems, Engineering, Finance, or equivalent experience)
Functional Skillset: Data Analysis: Extensive experience in analyzing and interpreting complex data from disparate sources to provide actionable insights
Financial/Banking Domain Expertise: Strong understanding of financial products, banking processes, and industry standards
Data Requirements Definition: Proven ability to analyze different data sources and datasets to create comprehensive data mapping documents and define data ingestion requirements

Job Responsibility

Consult with users and clients to solve complex data-related issues through in-depth evaluation of business processes, data sources, and industry standards
Analyze large and diverse datasets from various sources to identify trends, patterns, and anomalies, providing critical input for business and technology initiatives
Develop and document data mapping specifications, transformation logic, and ingestion requirements for new data pipelines and systems
Consult with business clients to determine functional specifications for data-centric systems and provide ongoing operational support
Design and implement scalable data pipelines and batch/streaming workflows using Apache Spark, Spark Streaming, Hive, and Hadoop within enterprise big data ecosystems
Develop and maintain backend services and automation scripts using Java, Spring Boot, JPA, and Shell Scripting to support data processing and operational workflows
Build and manage event-driven data architectures leveraging Apache Kafka for real-time data ingestion and streaming use cases
Automate job scheduling and dependency management using Autosys
manage and optimize Oracle database objects and queries to support analytical workloads
Develop supporting interfaces and data visualization components using JavaScript to enhance data accessibility and reporting capabilities

Fulltime

Senior Engineer - Big Data and Business Intelligence

Ready to build the future with AI? At Genpact, we don’t just keep up with techno...

Location

United States , New York

Salary:

189592.00 - 199071.00 USD / Year

The New York Times

Expiration Date

Until further notice

Requirements

Master’s degree in an Engineering (all), Computer Science, Sciences, Mathematics, or a related field and 2 years of experience in the job offered, a related software engineering, programmer, or systems analyst position, or related occupation. As an alternative, a Bachelor’s degree in an Engineering (all), Computer Science, Sciences, Mathematics, or a related field and 5 years of progressively responsible post-Bachelor's experience in the job offered, a related software engineering, programmer, or systems analyst position, or related occupation is acceptable.
2 years of experience with the following: Informatica suite (PowerCenter, Intelligent Cloud Services, Big Data Management)
Amazon Cloud Services (S3, EC2, EMR)
Big Data tools (MapReduce, Spark or similar)
Relational Databases (Oracle Exadata)
Programming Languages (SQL, PL/SQL)
NoSQL Databases (MongoDB or similar)
and Data Visualization Tools (Business Objects, Tableau or similar)

Job Responsibility

Analyze petabytes of structured and unstructured data hosted on cloud, flat files, and a variety of databases (traditional, NoSQL, columnar and in-memory) and create technology road map for data integration
Prepare technical design outlining detailed instructions and logical steps required for coding
Develop, optimize, automate, and maintain software programs, algorithms, and prototypes to handle everyday big data problems
Collect, parse, transform, store, and visualize large sets of data to help end customers unlock the power of data insights and data driven decision-making
Research and recommend software and tools that are pivotal for building impactful data products
Supervise, coach, and mentor junior data engineers

Fulltime

Select Country

Senior Big Data Engineer

Job Description

Job Responsibility

Requirements

Nice to have

Looking for more opportunities?

Senior Big Data Engineer

Senior Big Data Engineer

Senior Big Data Engineer

Senior Big Data Engineer

Senior Big Data Engineer

Senior Data Engineer, Big Data

Senior Solutions Engineer – Big Data & Data Infrastructure

Senior Big Data Engineer - Assistant Vice President

Senior Engineer - Big Data and Business Intelligence

Our AI answers in your language