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Added 2 months ago
I
Specialist Programmer
Infosys
Calgary, AB
- Full-time
…work on latest and next‑generation technologies, collaborate with experienced engineers, and build high‑quality, scalable, and secure software solutions. You will be part of a strong…
Added 2 months ago
A
Staff AI Engineer
Acquia
Canada
- Full-time
Acquia empowers the world’s most ambitious brands to create digital customer experiences that matter. With open source Drupal at its core, the Acquia Digital Experience Platform (DXP)…
Added 2 months ago
FR
Senior Director, Engineering - Corporates, Financial Institutions & Sovereigns
Fitch Ratings
Toronto, ON
- Full-time
…in analytical processes, agentic automation, or AI-augmented developer tooling, bring the depth to evaluate, architect, and champion these capabilities with real technical conviction. If…
Added 2 months ago
B
Principal Architect, AI Platform
BMO
Toronto, ON · BMOPLACE
- Full-time
Partner with AI Platform & Fabrics to ensure platform capabilities (Gateway, Policy Engine, Identity Fabric, Registry, Guardrails, Observability) realize the target architecture, and with…
Added 4 months ago
S
Solutions Architect
Shakudo
Toronto, ON
- Full-time
…client-facing role for someone who bridges deep technical expertise with strong relationship skills and can move between Kubernetes, Helm, and cloud infrastructure and strategic customer…
Added 4 months ago
S
Senior Forward Deployed Engineer
Shakudo
Toronto, ON
- Full-time
We are seeking a Senior Forward Deployed Engineer to join our ProServe team and work directly with strategic customers to turn business problems into production AI and data systems. This is…
Added 2 months ago
Lead, Robotics Software Engineer
Locus Robotics
North Vancouver, BC
Locus Robotics is a place to do meaningful work with real-world impact, where your ideas move quickly from concept to deployment. We invest in our people, encourage continuous learning, and…
Added 2 months ago
TT
Building Automation Technician
trane technologies
Montreal, QC
- Full-time
…BrainBox AI, Nuvolo, and more - combines technical expertise with advanced analytics to create data-driven solutions that add real value for customers, communities, and the planet. Whether…
Added 2 months ago
C
Senior Data Platform Engineer
Clio
Toronto, ON · Vancouver, BC · Calgary, AB
- Full-time
…evolve our logging platform architecture, supporting the team with technical leadership for security logging overall. If you have a strong data engineering background with a passion for…
Added 2 months ago
MT
Technical Staff Engineer–Applications
Microchip Technology Inc.
Toronto, ON · Montreal, QC · Burnaby, BC · Canada - Burnaby
- Full-time
…about an opportunity to own a piece of a multi-billion dollar (with a B!) global organization? We offer all that and more at Microchip Technology…
Added 2 months ago
Applied Scientist, Tax Engine
Amazon
Vancouver, BC
…transactional distributed systems in the world? How about working with customers and peers from the entire range of Amazon's business and Science on complex real world problems, backed with…
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
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
In this role, you’ll manage a team of engineers, stay hands-on with technical decisions, and work closely with Product and cross-functional partners to ship impactful, reliable systems.…
Added 2 months ago
C
Senior SRE
CloudFactory
Canada
- Full-time
Fluent in Python, with strong experience writing production-ready code
Added 2 months ago
FM
Product Engineer
FluidAI Medical
Kitchener, ON
- $100,000 to $120,000 CAD / year
Build and ship product features across the full stack (Python backend, TypeScript/React frontend).
Added 2 months ago
W
Principal AI Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and…
Added 2 months ago
Head of Toronto AI Center
Samsung Research America
Toronto, ON
…services for future products. Headquartered in Silicon Valley with locations across North America, we partner with industry and academia to translate research and innovation into tangible…
Added 2 months ago
Senior Security Engineer II
Braze
Toronto, ON
…those around you. There is always a way to contribute: Acting with autonomy, having accountability and being open to new perspectives are essential to our continued…
Added 2 months ago
AI Software Engineer
Eclipse Automation
Cambridge, ON
…multiple industries. We combine advanced automation expertise with digital innovation to create smart, efficient, and sustainable manufacturing systems. Our global network includes…
Added 2 months ago
YI
AI Engineer
YuJa Inc.
Toronto, ON · North York, Ontario
- Full-time
At YuJa, we are on a mission to equip regulated sector clients with solutions to deliver compliant digital experiences. We integrate AI thoughtfully to support smarter decisions and create…
Added 2 months ago
T
Sr. Full Stack Data Science Engineer
TD
Toronto, ON · Montreal, QC
- Full-time
As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.
Added 2 months ago
C
Data Engineer
Citi
Mississauga, ON
- Full-time
…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…
Added 2 months ago
Senior Agentic Engineer - JavaScript
TribalScale
Toronto, ON
…organizations adapt and thrive in a rapidly changing world. We partner with clients to build transformative digital products, modernize technology platforms, and apply emerging technologies…
Added 2 months ago
X
Layout & Design Engineer - SNSPDs (Superconducting Nanowire Single Photon Detectors)
Xanadu
Toronto, ON
- Full-time
…architecture. In this role, you will help develop our internal PDK, with a focus on complex multiplexed multi-pixel detector arrays. You will also lead mask design for fabrication process…

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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