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Added 5 months ago
MS
Principal Platform Infrastructure Engineer (Containers)
Menlo Security
Remote, Canada
- Full-time
- Remote
As a Platform Infrastructure Engineer, you'll join a group of experienced engineers who are part of a globally distributed team responsible for building and managing the company's core…
Added 5 months ago
TI
Site Reliability Engineer
Tecsys Inc.
Remote, Canada
- Full-time
- Remote
We are looking for a Site Reliability Engineer to join our Network and Security Operations Center (NOC), a team at the heart of platform reliability for mission-critical SaaS environments.…
Added 6 months ago
N
HW Test Engineer
Nokia
Ottawa, ON
- Full-time
We are currently seeking a HW Test Engineer to define Test Strategy, Test SW and HW required for cost-effective, automated test solutions for manufacturing of network equipment
Added 6 months ago
NH
Applied AI Engineer
Norbert Health
Montreal, Quebec
- Full-time
Strong Python; comfortable with the deployment toolchain (ONNX, quantization, at least one inference runtime - TensorRT, vLLM, llama.cpp, etc.)
Added 6 months ago
A
Senior Software Engineer, Analytics and Reporting Solutions ⭐
Achievers
Toronto, ON
- Full-time
…work gets done. Our tech stack leverages microservices built with Python and Go, running on GCP and Kubernetes. We're creating smoother, smarter, and more delightful experiences for our…
Added 6 months ago
Network Engineer, Foundation and Support (Edge/Backbone Infrastructure Design)
Meta
Quinte West, Ontario
…this role, we are looking for a Network Infrastructure Design Engineer with demonstrated experience in developing and delivering network infrastructure solutions at scale in a data center…
Added 6 months ago
Network Engineer, Operations & Support
Meta
Quinte West, Ontario
Meta's Site Services team is seeking a Network Engineer to support the deployment and operations of enterprise network services across Meta's physical site infrastructure. In this role, you…
Added 1 month ago
Sr. Data Scientist, Programmatic Algorithms
impact.com
Vancouver, BC
You'll collaborate closely with Product, Data Science, and Programmatic Delivery Engine Engineering, but you operate with significant autonomy. You're expected to bring both the modeling…
Added 6 months ago
Network Engineer, Operations & Support
Meta
Quinte West, Ontario
Meta is looking for a Network Operations Engineer with a mix of solid technical and operations leadership & management skills in networking, business process engineering, colo ops &…
Added 6 months ago
HS
Business System Engineer
Hyve Solutions
Ontario · Ontario, Canada
- Full-time
…while leveraging expertise in software development (Java, SQL, Python), database design, and software architecture (REST, event-driven, distributed systems). The position also supports…
Added 1 month ago
Sr. Data Scientist, Programmatic Algorithms
impact.com
Vancouver, BC
You'll collaborate closely with Product, Data Science, and Programmatic Delivery Engine Engineering, but you operate with significant autonomy. You're expected to bring both the modeling…
Added 6 months ago
NH
Signal Processing Engineer
Norbert Health
Montreal, Quebec
- Full-time
We're looking for a Signal Processing Engineer to join our algorithm and development team, working on remote vital sign monitoring from video. You'll develop and validate algorithms that…
Added 6 months ago
CM
Founding Engineers
Career Mentors, LLC
Remote, Canada
- $150,000 to $450,000 USD / year
- Contract
- Remote
Roles: Founding Engineer, Full Stack, Backend, Staff/Lead, SRE/Infra
Added 5 months ago
S
Embedded Software Engineer
Spaceium
Ottawa, Ontario
- $75,000 to $110,000 CAD / year
…boundaries of what’s possible in orbit. As an Embedded Software Engineer, you will develop the core software that directly interfaces with spacecraft…
Added 2 months ago
S
Robotic AI Engineer
Spaceium
Ottawa, ON
- $75,000 to $110,000 CAD / year
…the boundaries of what's possible in orbit. As a Robotic AI Engineer, you will develop the intelligence that lets our spacecraft perceive, reason, and act autonomously - from perception and…
Added 6 months ago
M
Freelance Data Science Engineer (Python & SQL)
Mindrift
Remote, Canada
- Part-time
- Remote
Verify solutions using Python with standard data science libraries and statistical methods
Added 2 months ago
C
Lead Python AI Principal Engineer (Hands-On), SVP
Citi
Mississauga, ON
- Full-time
We are seeking a highly skilled, hands-on Lead Python AI Principal Engineer to join Citi in spearheading the design and development of cutting-edge AI platforms and services. This role…
Added 2 months ago
C
Lead Python AI Principal Engineer (Hands-On), SVP
Citi
Remote, Canada
- Full-time
- Remote
We are seeking a highly skilled, hands-on Lead Python AI Principal Engineer to join Citi in spearheading the design and development of cutting-edge AI platforms and services. This role…
Added 6 months ago
PC
AI Product Engineer, Games
Puzzle Cats
Remote, Canada
- Full-time
- Remote
We’re looking for an AI Product Engineer who wants to build something big and move fast. This is a hands-on, highly product-oriented role for someone who wants to invent, ship, and scale…
Added 6 months ago
O
Senior Software Engineer (Product)
Owl.co
Vancouver, British Columbia · Toronto, Ontario
- $150,000 to $250,000 CAD / year
- Full-time
We are seeking a talented Senior Software Engineer to join our Product team. In this role, you will work closely with cross-functional teams to design and develop innovative products that…
Added 6 months ago
Z
Software Engineer, Backend (All Levels)
Zip
Remote, Canada
- Full-time
- Remote
As a Software Engineer you will be responsible for building Zip’s core products and architecture. You will ship features that will be immediately used by our users, and will work with a…
Added 6 months ago
Senior Application Support Engineer (Trading & Market Data)
Solactive AG
Toronto, Ontario
Scripting experience with Bash and/or Python.
Added 6 months ago
W
Software Engineer, Labelling, Data & Automation
Waabi
Toronto, ON
- $127,000 to $225,000 USD / year
- Full-time
- Proficient in Python programming and strong software engineering fundamentals with real-world experience writing high quality, well-structured, and well-tested code.
Added 6 months ago
T
Machine Learning Engineer
TD
Remote, Canada
- Full-time
- Remote
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 6 months ago
S
Senior AI Engineer
ShyftLabs
Toronto, Ontario
- Full-time
ShyftLabs is looking for a Senior AI Engineer to sit at the intersection of AI/ML engineering and backend platform development. This isn't a research role, it's a hands-on engineering…

Citi

Lead Python AI Principal Engineer (Hands-On), SVP

Mississauga, ON, Canada

$145,100.00 - $217,700.00 · Full-time

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Job details

Pay: $145,100.00 - $217,700.00
Job type: Full-time
Posting language: English
Posted: Aug 14, 2026

Original job description

About Citi:

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

The Role:

We are seeking a highly skilled, hands-on Lead Python AI Principal Engineer to join Citi in spearheading the design and development of cutting-edge AI platforms and services. This role requires a highly hands-on Python engineer to drive the creation of enterprise-wide Generative AI platforms that deliver tangible value across all of Citi's lines of business. The ideal candidate will leverage a strong background in high-scale engineering and AI solutions to lead technical teams, define architectural vision, and translate ambiguous business challenges into concrete, scalable implementations. This is a key leadership position focused on building innovative, production-grade AI products that will shape the future of finance.

Responsibilities

Lead the end-to-end development of highly complex AI solutions, infrastructure, and architecture.
Lead and guide a team of engineers and data scientists, reviewing designs and code to uphold the highest levels of engineering standards.
Translate ambiguous product or business problems into clear technical direction, defining success metrics for engineering and data science teams.
Design robust model architectures, retrieval strategies, prompting/orchestration layers, and evaluation frameworks that meet product, reliability, and scalability requirements.
Engage with data-science, technical, and business stakeholders to define and architect solutions for key use-cases across our lines of business.
Actively contribute to software development, both as a hands-on coder and as a reviewer.
Build and maintain core Python-based Generative AI components, including RAG pipelines, model wrappers, orchestration logic, and data loaders using FastAPI, ADK, and internal libraries.
Ensure robust error handling, observability, and test coverage across all codebases.
Manage executive stakeholder relationships in technology, acting as a partner and trusted advisor.
Manage multiple concurrent initiatives and projects of varying sizes and complexity.

Qualifications

7+ years' experience in the software industry, with proven success in a senior position such as Principal Engineer (progressive hands-on experience required)
6+ years' experience in hands-on Python engineering
Experience serving as a people manager as this role may also include management .
Highly experienced in delivering complex technical solutions to production within the Python and AI/ML ecosystem.
Proficiency in programming languages such as Python.
Passion for and proven hands-on experience integrating with AI/ML technologies.
Experience with cloud architectures and public cloud offerings.
A strong and diverse technical background, with the ability to quickly learn new technologies and influence highly skilled engineering teams.
Excellent communication, leadership, and organizational abilities.
Excellent analytical and problem-solving skills with the ability to think strategically.
Experience in the financial industry is a major advantage.

Education

Bachelor's degree/University degree or equivalent experience is required.
Master's degree is 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:

$145,100.00 - $217,700.00

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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

Lead the end-to-end development of complex Generative AI solutions and infrastructure while managing a team of engineers and data scientists. Collaborate with business stakeholders to translate ambiguous requirements into scalable, production-grade technical implementations.

Requirements

Requires at least 6 years of software industry experience with a proven track record in senior engineering or architecture roles. Candidates must possess strong proficiency in Python, experience with AI/ML technologies, and at least 3 years of people management experience.

Skills

Generative AI
Python
Software Engineering
Team Leadership
Cloud Architecture
RAG Pipelines
FastAPI
Machine Learning
System Architecture
Data Science
Stakeholder Management
Technical Strategy
Product Development
Scalable Systems
Code Review

Visa sponsorship

Not detected in the job text

Keywords

Generative AI
Python
FastAPI
RAG
Machine Learning
Cloud Architecture
Software Engineering
Leadership
Artificial Intelligence
Data Science
Finance
Scalability
Orchestration
Observability
ADK
Technical Strategy
Product Management
Enterprise Software
System Design
Banking

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