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Added 2 months ago
A
Staff AI Engineer
Acquia
Canada
- Full-time
Deep Python proficiency and strong engineering fundamentals (testing, CI/CD, architecture).
Added 7 months ago
HI
Senior Data Science Developers
HRbrain Inc.
Toronto, ON
- Full-time
The candidates will perform Data Science Developer work by creating, enhancing, maintaining, supporting, and sustaining existing pipelines, analytics models, and data products
Added 2 months ago
B
Principal Architect, AI Platform
BMO
Toronto, ON · BMOPLACE
- Full-time
You will hold architectural oversight across the AI Platform capabilities including Developer Experience, Security, DevOps, and Data Analytics. You will work across teams and organizations…
Added 4 months ago
S
Solutions Architect
Shakudo
Toronto, ON
- Full-time
Experience in data engineering, MLOps, or AI infrastructure
Added 4 months ago
S
Senior Forward Deployed Engineer
Shakudo
Toronto, ON
- Full-time
…customers to turn business problems into production AI and data systems. This is a highly technical, customer-facing role for someone who can move between customer conversations, system…
Added 2 months ago
Lead, Robotics Software Engineer
Locus Robotics
North Vancouver, BC
You will combine hands-on software engineering with technical leadership, working alongside world-class robotics, AI, perception, and hardware teams to transform cutting-edge innovation…
Added 2 months ago
TT
Building Automation Technician
trane technologies
Montreal, QC
- Full-time
…combines technical expertise with advanced analytics to create data-driven solutions that add real value for customers, communities, and the planet. Whether you're advancing AI in HVAC or…
Added 2 months ago
C
Senior Data Platform Engineer
Clio
Toronto, ON · Vancouver, BC · Calgary, AB
- Full-time
We are currently seeking a Senior Data Platform Engineer to join our rapidly growing Security team and help grow our Logging Engineering team. This role is for someone passionate about…
Added 2 months ago
Senior Data Engineer
Scotiabank
Toronto, ON
Leverage SaaS platforms and tools to develop, configure, and automate data workflows, improving efficiency across the data engineering lifecycle.
Added 2 months ago
MT
Technical Staff Engineer–Applications
Microchip Technology Inc.
Toronto, ON · Montreal, QC · Burnaby, BC · Canada - Burnaby
- Full-time
As part of the Applications Engineering team, you’ll collaborate closely with product development, validation, marketing, and sales to ensure customers successfully design, deploy, and…
Added 2 months ago
AN
Senior/Lead Software Engineer (Packet Forwarding Engines)
Arista Networks
Vancouver, BC
- Full-time
Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of…
Added 2 months ago
I
Optical Reliability Engineer
Inpho
Ottawa, ON · Kanata, ON
- $125,000 to $170,000 CAD / year
- Full-time
You will work closely with Device Design, Epitaxy, Process Engineering, Packaging, Test, Failure Analysis, and external partners to understand failure mechanisms, define reliability…
Added 2 months ago
N
Member Technical Staff - DevEx (NKP)
Nutanix
Vancouver, BC
- $132,000 to $198,000 CAD / year
- Full-time
…industry standard NPS (Net Promoter Score) by providing excellent engineering assistance alongside our support organization to our valued customers. What makes this role particularly…
Added 2 months ago
K
Senior Software Engineer, AI
Klue
Toronto, ON
- $140,000 to $230,000 CAD / year
- Full-time
Strong software engineering fundamentals. You write clean, maintainable, well-tested code. You're comfortable with Python and have experience with backend frameworks, APIs, and production…
Added 2 months ago
A
Engineering Manager
Augment
Toronto, ON
- Full-time
…complex workflows. We’re growing quickly and are looking for an Engineering Manager to help lead and scale one of our core engineering teams as we build the future of autonomous…
Added 2 months ago
C
Senior SRE
CloudFactory
Canada
- Full-time
…with a global network of talented people, we make unusable data usable, driving real-world impact at…
Added 2 months ago
W
Principal AI Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
…production - across the full lifecycle from problem framing and data strategy to deployment, monitoring, and continuous improvement. You’ll implement and evolve frameworks for LLM-powered…
Added 2 months ago
Senior Security Engineer II
Braze
Toronto, ON
…AWS, GCP, and self-managed Kubernetes, backed by self-managed data stores such as MongoDB. We're looking for a Senior Cloud Security Engineer II to join our Security Engineering function as…
Added 2 months ago
AI Software Engineer
Eclipse Automation
Cambridge, ON
Eclipse Automation is advancing a multi-year digital transformation that connects AI, engineering data, simulation, and enterprise systems to change how custom automation machines are…
Added 2 months ago
YI
AI Engineer
YuJa Inc.
Toronto, ON · North York, Ontario
- Full-time
2-3 years’ experience in AI/ML Engineering or Applied Data Science
Added 2 months ago
D
Business Analyst
d1g1t
Toronto, ON
- Full-time
Understand how to clean and organize data for analysis, and complete analysis and calculations using spreadsheets, SQL, and Python scripts
Added 2 months ago
T
Sr. Full Stack Data Science Engineer
TD
Toronto, ON · Montreal, QC
- Full-time
Core Analytical Tools: Proficient in Python, PySpark, SQL, Power BI, and Databricks (or similar platforms) for data preparation, analysis, and collaboration.
Added 2 months ago
C
Data Engineer
Citi
Mississauga, ON
- Full-time
…developing, optimizing, and operating large-scale batch and real-time data-processing platforms at an enterprise scale. The position requires a candidate who can combine deep technical…
Added 2 months ago
Senior Agentic Engineer - JavaScript
TribalScale
Toronto, ON
Design and build AI-enabled applications, agentic workflows, developer tools, APIs, data pipelines, and full-stack products.
Added 2 months ago
X
Layout & Design Engineer - SNSPDs (Superconducting Nanowire Single Photon Detectors)
Xanadu
Toronto, ON
- Full-time
Experience using Python for component design, simulation, layout, and data analysis

Citi

Data Engineer

Mississauga, ON, Canada

$120,800.00 - $170,800.00 · Full-time

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Job details

Pay: $120,800.00 - $170,800.00
Job type: Full-time
Experience: 6+ years of relevant experience in Apps Development or systems analysis role
Posting language: English
Posted: Aug 24, 2026

Original 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.

This is a hands-on technology leadership role responsible for architecting, developing, optimizing, and operating large-scale batch and real-time data-processing platforms at an enterprise scale. The position requires a candidate who can combine deep technical expertise in distributed data processing with effective team leadership, stakeholder management, and end-to-end delivery accountability. The successful candidate will serve as a subject-matter expert in modern data engineering, guiding both technical strategy and execution.

The Data Engineering Lead will drive the design and implementation of high-throughput data solutions capable of handling multi-terabyte to petabyte-scale datasets. This role balances advanced development and performance engineering with the leadership of a global team of data engineers, ensuring the delivery of robust, scalable, and maintainable data pipelines.

Responsibilities:

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
Lead the architecture, design, and development of high-throughput batch and real-time streaming data pipelines using Apache Spark, Databricks, and Kafka.
Serve as the senior subject-matter expert for Spark architecture, job optimization, SQL query tuning, distributed processing, and Databricks performance engineering.
Write, review, and approve clean, modular, and highly performant Scala and Python code, enforcing best practices across the team.
Diagnose and resolve complex performance bottlenecks by analyzing Spark DAGs, execution plans, and executor metrics to address issues like data skew, shuffling, and memory management.
Apply advanced optimization techniques for Spark and SQL, including broadcast joins, predicate pushdown, partition pruning, Z-Ordering, and adaptive query execution.
Manage and optimize Databricks workspaces, including Unity Catalog, Delta Live Tables, job clusters, security, governance, and monitoring.
Implement and manage Apache Iceberg or Delta Lake as an enterprise table format, applying knowledge of features such as hidden partitioning, schema evolution, and compaction strategies.
Develop and enforce enterprise data-modelling standards and Lakehouse practices, including medallion architecture (Bronze, Silver, Gold layers).
Lead, mentor, and develop a global team of data engineers, conducting code reviews, architecture reviews, and technical design sessions.
Manage technical priorities, delivery milestones, dependencies, and risks, and collaborate effectively with business stakeholders, product owners, architects, and support teams.
Define and enforce standards for coding, testing, deployment, monitoring, data quality, operational readiness, and production support.
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.

Recommended Qualifications:

6+ years of relevant experience in Apps Development or systems analysis role
Extensive experience system analysis and in programming of software applications
Expert-level development skills in Scala and Python.
Advanced SQL development and query-optimization skills, with a proven ability to tune slow-running queries and Spark jobs.
Strong knowledge of data warehousing concepts, Lakehouse modelling, and medallion architecture.
Hands-on experience with Apache Iceberg or Delta Lake is required.
Extensive hands-on experience with Apache Spark, Spark Structured Streaming, Databricks, Delta Live Tables, and Kafka.
Deep knowledge of Apache Spark internals, including the Catalyst Optimizer, Tungsten execution engine, memory management, execution plans, partitioning, and shuffle behavior.
Expertise in reading Spark UI metrics to identify bottlenecks, resolve data skew, and optimize partitioning, caching, joins, and memory utilization.
Proven experience architecting and operating multi-terabyte to petabyte-scale data platforms in a public-cloud environment (AWS or Google Cloud Platform).
Subject Matter Expert (SME) in at least one area of Applications Development
Experience in managing and implementing successful projects
Experience leading and mentoring global or distributed data-engineering teams.
Demonstrated leadership and project management skills
Exceptional communication, stakeholder-management, and problem-solving skills.
Consistently demonstrates clear and concise written and verbal communication
Ability to adjust priorities quickly as circumstances dictate

Education:

Bachelor’s degree/University degree or equivalent experience
Master’s degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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More about this job

Responsibilities

The role involves leading the architecture, design, and development of high-throughput batch and real-time streaming data pipelines at an enterprise scale. The lead will also mentor a global team of data engineers while ensuring robust, scalable, and maintainable data solutions.

Requirements

Candidates must have 6+ years of experience in software development or systems analysis with expert-level skills in Scala, Python, and SQL. Proficiency in Apache Spark, Databricks, and cloud-based data platform architecture is required.

Skills

Apache Spark
Databricks
Kafka
Scala
Python
SQL
Data Engineering
Distributed Systems
Cloud Computing
AWS
Google Cloud Platform
Delta Lake
Apache Iceberg
Data Modeling
Team Leadership
Performance Engineering

Visa sponsorship

Not detected in the job text

Keywords

Data Engineering
Apache Spark
Databricks
Kafka
Scala
Python
SQL
Delta Lake
Apache Iceberg
Cloud Computing
AWS
Google Cloud Platform
Data Modeling
Medallion Architecture
Distributed Processing
Performance Engineering
Unity Catalog
Delta Live Tables
System Analysis
Software Development
Team Leadership
Stakeholder Management
Data Pipelines
Batch Processing
Real-time Streaming
Memory Management
Execution Plans
Data Quality
Architecture
Infrastructure

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