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Added 2 months ago
A
Engineering Director – Airside Civil Infrastructure
AECOM
Mississauga, ON
- Full-time
…Improvement Program. Serving as a key interface between the Owner's Engineer (OE) Director, the Owner’s Engineering Team, the Project Delivery Team, Contractors, design consultants, and…
Added 2 months ago
JS
Senior Software Engineer (AI Integration & Modernization)
Jonas Software
Markham, ON · Canada - Markham - Ontario
- Full-time
We are hiring a Senior Software Engineer to own the design and delivery of production AI capabilities across a broad portfolio of software businesses. You will work directly with product…
Added 2 months ago
WI
Senior Electrical Engineer, Buildings
WSP in Canada
Victoria, BC
- Full-time
As a Senior Electrical Engineer for Buildings based in Victoria, BC, you will shape the systems that power the places where people learn, heal, gather, and thrive. Your expertise will help…
Added 2 months ago
WI
Senior Electrical Engineer, Buildings
WSP in Canada
Victoria, BC
- Full-time
As a Senior Electrical Engineer for Buildings based in Victoria, BC, you will shape the systems that power the places where people learn, heal, gather, and thrive. Your expertise will help…
Added 2 months ago
V
Senior Temporary Works Inspector H/F
VINCI
Fairport Beach, ON
- Full-time
As a Temporary Works Inspector, you will support the Temporary Works Engineer in the inspection, verification, and monitoring of temporary works during the construction lifecycle. You will…
Added 2 months ago
BC
General BBA Template
BBA Consultants
Mont-Saint-Hilaire, QC · Mont-St-Hilaire, QC
- Full-time
As an engineer, you’ll be involved in all phases of projects, including risk analysis, engineering, technological choices and solution implementation. You’ll help identify business…
Added 3 months ago
SM
Factory Planning and Optimization Engineer - Schuler Consulting
Stiles Machinery
Mississauga, ON
- Full-time
The Senior Consultant provides expert guidance to clients on production processes, focusing on designing and
Added 2 months ago
VE
Senior Temporary Works Inspector H/F
VINCI Energies
Fairport Beach, ON
- Full-time
As a Temporary Works Inspector, you will support the Temporary Works Engineer in the inspection, verification, and monitoring of temporary works during the construction lifecycle. You will…
Added 2 months ago
Senior Mining Engineer
JDS Energy & Mining
Calgary, AB
The Senior Mining Engineer will support Project Managers by completing open pit and underground mine engineering, design, planning, and operating and capital cost estimation. The Senior…
Added 2 months ago
S
Senior AC Mitigation Engineer
Stantec
Calgary, AB
- Full-time
We are currently seeking a Senior AC Mitigation Engineer to join our Corrosion Prevention team. The primary roles of the AC Mitigation Engineer are:
Added 2 months ago
AN
Senior/Lead Software Engineer (Packet Forwarding Engines)
Arista Networks
Vancouver, BC
- Full-time
Work with the hardware team and hardware component vendors to bring up initial versions of new systems using packet forwarding engines and system software.
Added 2 months ago
A
Senior Signaling Engineer
Arup
Toronto, ON
- Full-time
Given our growing business, Arup is looking for an accomplished Signaling & Train Control Senior Engineer based in our North Geography (Toronto, Canada). You will be a key member of Arup’s…
Added 2 months ago
E
Senior Structural Engineer
Entuitive
Remote, Canada
- Full-time
- Remote
Entuitive is looking for a Senior Structural Engineer, based in our Edmonton office to be part of our Structural Engineering team. Take the opportunity to learn more about the structural…
Added 2 months ago
C
Data Engineer
Citi
Mississauga, ON
- Full-time
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…
Added 2 months ago
B
Senior Electrical Engineer
BGIS
Toronto, ON
- Full-time
The Senior Electrical Engineer will be a member of the professional services team and provide electrical engineering and design to assigned electrical project deliverables. The Senior…
Added 2 months ago
EG
Vice President, Municipal Engineering
Egis Group
Toronto, ON
- Full-time
Serve as a project manager/technical leader across municipal engineering, spanning roadway and underground systems.
Added 2 months ago
A
Senior Heavy Mechanical Engineer – Hydropower and Dams
AECOM
Ottawa, ON · Montréal, Québec
- $120,000 to $170,000 CAD / year
- Full-time
AECOM is seeking a highly skilled and motivated Senior Heavy Mechanical Engineer to contribute to the design, integration, and implementation of major mechanical equipment for hydropower…
Added 2 months ago
A
Transportation Designer- Rail & Transit
Arcadis
Toronto, ON
- Full-time
Working alongside experienced engineers, planners, systems specialists, and project managers, you will participate in the planning, design, and delivery of rail and transit infrastructure…
Added 2 months ago
CO
Manager, Sewage Collection
City of Windsor
Windsor, ON
- Full-time
…ditches/swales, pumping stations closed landfill leachate collection systems,…
Added 2 months ago
KI
Senior Project Engineer
KBR, Inc.
Nisku, AB · Calgary, AB
- Full-time
KBR is seeking an experienced Senior Project Engineer to lead full‑lifecycle delivery of midstream assets supporting unconventional oil development and enhanced oil recovery (EOR) programs…
Added 2 months ago
Senior Engineer, Electrical & Power Systems
e-Zinc
Toronto, ON · Mississauga, ON
e-Zinc is looking for a Senior Engineer, Electrical & Power Systems to help design, integrate, and validate the electrical systems that enable our long-duration energy storage technology.…
Added 2 months ago
S
Senior Electrical Engineer
Sedgman
Montreal, QC
- Full-time
Sedgman is currently looking for a Senior Electrical Engineer to join our team in Montreal. The ideal incumbent will be a mentor and coach to a young and enthusiastic team. He/she will be…
Added 3 months ago
BC
Engineer and Project Leader, Industrial Electrical (Relocation to Sept-Îles)
BBA Consultants
Sept-Îles, QC
- Full-time
To pursue project and client development in the Sept-Îles region, BBA wants to bolster its local multidisciplinary team. Working closely with our offices in Labrador City, Montréal and…
Added 3 months ago
BC
Engineer and Project Leader, Industrial Electrical (Relocation to Sept-Îles)
BBA Consultants
Rouyn-Noranda, QC
- Full-time
To pursue project and client development in the Sept-Îles region, BBA wants to bolster its local multidisciplinary team. Working closely with our offices in Labrador City, Montréal and…
Added 2 months ago
W
Senior Project Manager – Land Development
WSP
Hamilton, ON
- Full-time
Are you a visionary leader driven to deliver complex projects and help shape thriving communities? As a Senior Project Manager – Land Development, you will lead high‑impact projects across…

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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