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Added 3 hours ago
MC
Mechanical Commissioning Associate
Mission Critical Engineers | Mission Critical Forensics
Regina, SK
- Full-time
Perform other duties and support other project activities as assigned from time to time by the Lead Data Centre Commissioning Engineer & Project Manager, CxA Principal, or senior management.
Added 4 hours ago
KG
Principal Rock Mechanics Engineer
Kinross Gold Corporation
Toronto, ON
- Full-time
The Principal Rock Mechanics Engineer serves as the Company's senior technical specialist and subject matter expert for underground rock mechanics, geotechnical risk management, ground…
Added 4 hours ago
MC
Mechanical Commissioning Associate
Mission Critical Engineers | Mission Critical Forensics
Regina, SK
- Full-time
Perform other duties and support other project activities as assigned from time to time by the Lead Data Centre Commissioning Engineer & Project Manager, CxA Principal, or senior management.
Added 4 hours ago
A
Hydrogeologist
AECOM
Winnipeg, MB
- $115,000 to $180,000 CAD / year
- Full-time
AECOM is currently seeking a Senior Hydrogeologist to join our growing and collaborative team of geologists, hydrogeologists, groundwater modellers, geochemists and water management…
Added 7 hours ago
C
Senior Specialist Engineer Bridge Design
CN
AB · Edmonton, AB
- Full-time
…(AREMA) guidelines. The position is considered a Professional Engineer technical role and requires self-sufficient competencies in structural engineering principles and mastery of Company…
Added 7 hours ago
R
SCADA Transmission Engineer
Raise
Burnaby, BC
- Full-time
The SCADA Transmission Engineer to join our clients team and play a key role in delivering complex, multi-discipline capital projects. In this role, your primary focus will be delivering…
Added 7 hours ago
SL
Senior UI/UX Software Engineer (UE5)
SkyBox Labs
Burnaby, BC
- Full-time
SkyBox Labs is looking for a Senior UI/UX Engineer to join our team on an ambitious AAA co-development project set within a highly anticipated universe.
Added 7 hours ago
SL
UI/UX Software Engineer (UE5)
SkyBox Labs
Burnaby, BC
- Full-time
SkyBox Labs is looking for a Senior UI/UX Engineer to join our team on an ambitious AAA co-development project set within a highly anticipated universe.
Added 9 hours ago
EB
Process Manager
Electra Battery Materials Corporation
Temiskaming Shores, ON
- Full-time
…land package in Idaho’s Cobalt Belt, including its Iron Creek project and surrounding properties, positioning the Company as a potential cornerstone for North American cobalt and copper…
Added 9 hours ago
S
Head of Data Systems (Google Stack)
Stacktics
Toronto, ON
- Full-time
…and motivating members of the Data Systems team - including Senior Technical Leads. Directly or indirectly responsible for…
Added 10 hours ago
C
Senior Python Engineer
Citi
Mississauga, ON
- Full-time
We are seeking a highly experienced and technically proficient Senior Python Developer with 6+ years of hands-on experience to design, develop, and deliver critical, scalable, highly…
Added 12 hours ago
W
Senior Process Automation & Controls Engineer
Worley
Calgary, AB
- Full-time
…consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and…
Added 12 hours ago
W
Senior Process Automation & Controls Engineer
Worley
AB · Edmonton, AB
- Full-time
…consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and…
Added 12 hours ago
TM
Senior Environmental Engineer - Prince George, BC
Tidewater Midstream and Infrastructure
Prince George, BC
- Full-time
The Senior Environmental Engineer is a key technical and regulatory leadership position responsible for ensuring environmental compliance across both the Conventional Refinery and the…
Added 12 hours ago
PC
Senior Systems Engineering & Integration Engineer
Parsons Corporation
Kingston, ON · Ottawa, ON
- Full-time
…have a lasting impact across Canada?We are currently seeking a Senior Systems Engineer to work on projects in Eastern Canada and…
Added 13 hours ago
BC
Excavator Operator
BRUSH careers
NS · Inverness, NS
- Full-time
…away from home , overtime or weekends when required to meet project programmes. Projects will primarily be located across Northeast Scotland, Sutherland and…
Added 13 hours ago
ME
Electrical Engineer
Morson Edge
Burnaby, BC
- $60 to $75 CAD / hour
- Contract
Role: E3 Electrical Engineer – P&C / SCADA Systems Design Team
Added 15 hours ago
A
Senior Electrical Engineer
AECOM
Kitchener, ON
- $110,000 to $130,000 CAD / year
- Full-time
AECOM's Architectural Business unit Buildings + Places Canada (B+P Canada) is actively seeking a Senior Electrical Engineer for immediate employment. The role can be based out of any of our…
Added 18 hours ago
A
Senior Process Engineer
Airswift
Calgary, AB
- Contract
The Senior Process Engineer will contribute to process engineering delivery on oil & gas projects, including SAGD, gas processing, cogeneration, CCUS and refining. Senior Process Engineer…
Added 19 hours ago
KI
Technical Marketing Engineer
Klara Inc
Hamilton, ON
- Full-time
…depend on auditable, long-lived, sovereign systems. Our team is senior, globally distributed, and operates with a high degree of…
Added 22 hours ago
GC
Engineering Sales Associate – Custom Air Handling Units
GLP Canada
Mississauga, ON
- Full-time
The Technical Sales Engineer – Custom Air Handling Units is an inside sales and business development role at the center of our air handling business. You'll prepare technical proposals and…
Added 1 day ago
W
Senior Technical Consultant
Worley
Calgary, AB · Edmonton, AB
- Full-time
…consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and…
Added 1 day ago
CT
Senior Network & Security Engineer
Charter Telecom
Burnaby, BC · Vancouver, British Columbia
- Full-time
We are seeking an experienced Senior Network & Security Engineer to design, implement, and support enterprise networks for clients. You will lead network projects from design through…
Added 1 day ago
CT
Senior Network & Security Engineer
Charter Telecom
Calgary, AB
- Full-time
We are seeking an experienced Senior Network & Security Engineer to design, implement, and support enterprise networks for clients. You will lead network projects from design through…
Added 1 day ago
HR
Technical Safety Specialist
Hitachi Rail
Toronto, ON
- Full-time
The Safety Engineering department is responsible for the safety of the products and project solutions developed and deployed by the Urban Rail Signaling business line and compliance to…

Citi

Senior Python Engineer

Mississauga, ON, Canada

$120,800.00 - $170,800.00 · Full-time

Apply About employer

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Job details

Pay: $120,800.00 - $170,800.00
Job type: Full-time
Apply by: Oct 13, 2026
Experience: 6+ years of hands-on experience in Application Development, primarily with Python.
Posting language: English
Posted: Oct 9, 2026

Original job description

Job Description

We are seeking a highly experienced and technically proficient Senior Python Developer with 6+ years of hands-on experience to design, develop, and deliver critical, scalable, highly available, and performant applications. This role demands deep technical expertise, a strong focus on execution, and a proven ability to deliver robust software solutions, particularly within quantitative and market risk domains.

Key Technical Responsibilities:

Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications.
Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge.
Enforce industry-standard SDLC best practices and contribute to code quality through reviews.
Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery.
Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain.
Manage project technical aspects, including planning, governance, and taking ownership of initiatives.
Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines.

Required Technical Qualifications:

I. Core Python & System Development:

6+ years of hands-on experience in Application Development, primarily with Python.
Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications.
Advanced knowledge of Python frameworks (FastAPI, Django, Flask), best practices, and design patterns (OOP).
Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture).
Extensive experience with relational (PostgreSQL, Oracle, SQL Server) and NoSQL databases (MongoDB, Cassandra, Redis), including advanced SQL.
Proven expertise in designing, developing, and securing RESTful APIs and integration patterns.
Hands-on experience with CI/CD systems (Jenkins, GitLab CI, GitHub Actions, Bitbucket Pipelines) for automated deployment.
Highly experienced with Unix-based operating systems.

II. Cloud & DevOps:

Strong background in cloud platforms (AWS, Azure, GCP), including containerization (Docker) and contributing to Kubernetes orchestration.
Advanced troubleshooting, debugging, and performance optimization for distributed systems.
Proficiency in automated testing frameworks (Pytest, unittest) and TDD methodologies.
Solid understanding of secure coding practices and application security principles (OWASP Top 10).
Expertise in Git (Bitbucket, GitHub) for advanced branching and pull request workflows.

III. Quantitative & Risk Domain:

Experience developing Quantitative/Calc-intensive Python solutions with advanced computation libraries.
Sound understanding and exposure to various Risk Methodologies.
Exposure to mathematical modeling/finance insights.

IV. Artificial Intelligence (AI) Integration (Exposure):

Exposure to AI/ML tools and frameworks (TensorFlow, PyTorch, scikit-learn).
Practical experience with AI tools (Copilot, Devin, Claude/Gemini/GPT) for development workflows.
Experience with Agentic AI tools, including writing Agents and Skills, and contributing to Agentic frameworks.
Understanding and practical application of Generative AI concepts in software development.

Professional Skills:

Deep understanding and practical experience with Agile/Scrum methodologies.
Exceptional ability to manage priorities and tasks effectively.
Strong analytical, logical, systems thinking, and critical analysis skills.
Excellent written and verbal communication for diverse audiences.
Ability to work independently, take ownership, and collaborate effectively in global teams.

Desirable Qualifications:

Polyglot Programming Exposure (e.g., Java).
Big Data Technologies (Apache Spark, Hadoop, Kafka) and data warehousing.
Frontend Development (React, Angular, Vue.js).
Relevant Cloud or Industry Certifications.
Experience with banking domain (pricing, risk), CFA/FRM certification.

Key Focus Areas / Desirable Skills

• Foundational Models: Gemini, OpenAI, Claude, Llama, Local Models

• Machine Learning: PyTorch, TensorFlow, Fine-tuning

• Frameworks: LangChain, LlamaIndex, Hugging Face

• Retrieval Augmented Generation: PostgreSQL, Vector DBs, Advanced Retrieval

• Orchestration: LangGraph, Multi-Agent Systems

• Development: Python, FastAPI, Async Programming

• Deployment: Docker, Production APIs, Monitoring

• Applied Methodology: Prompt Engineering, Workflow Design, GenAI Optimization

Education:

Bachelor’s degree/University degree or equivalent experience in Computer Science, Engineering, or Technology
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

Lead the architecture and implementation of scalable, high-performance Python frameworks for quantitative and market risk applications. Collaborate with cross-functional teams including Quants, Risk, and DevOps to deliver robust software solutions within a global environment.

Requirements

Requires 6+ years of hands-on Python development experience with expertise in system architecture, distributed systems, and cloud platforms. Candidates should possess strong analytical skills and experience in quantitative or risk-intensive domains.

Skills

Python
FastAPI
Django
Flask
PostgreSQL
SQL
AWS
Azure
GCP
Docker
Kubernetes
CI/CD
Pytest
Git
Generative AI
Machine Learning

Visa sponsorship

Not detected in the job text

Keywords

Python
FastAPI
Django
Flask
PostgreSQL
NoSQL
AWS
Azure
GCP
Docker
Kubernetes
CI/CD
Jenkins
Git
Pytest
TDD
Microservices
Event-Driven Architecture
Generative AI
Machine Learning
PyTorch
TensorFlow
Agile
Scrum
Market Risk
Quantitative Analysis
RESTful APIs
System Architecture
Cloud Computing

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