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Added 14 mins ago
MS
Senior Accountant
Metro Supply Chain
Mississauga, ON
- Part-time
…organizations. For 50 years, it has excelled at tailoring integrated, data driven solutions, fueled by advanced systems and technology, that fulfill complex and challenging distribution…
Added 14 mins ago
J&
Sr. Director, ERP Supply Chain & SAP Technology Platforms, Orthopedics
Johnson & Johnson MedTech
NB · Brunswick, NB
- Full-time
…leaders to modernize and rationalize platforms, strengthen data and analytics, and drive measurable business value through technology. The role reports into the DePuy Synthes Technology…
Added 14 mins ago
MG
Director of Marketing
MAKR Group
Kelowna, BC
- Full-time
…and sales and marketing alignment, combining creativity with data-driven insights to deliver measurable…
Added 14 mins ago
Manager, Project Controls, Technical Services, Pacific Link
Trans Mountain
Calgary, AB
Lead the selection, configuration, implementation and effective use of project controls systems, tools, coding structures, calendars, data standards and reporting processes.
Added 29 mins ago
LA
Six Sigma Black Belt
Les Aliments DAINTY Foods Inc.
Windsor, ON
- Full-time
Using Six Sigma, Lean Manufacturing, Operational Excellence, and data-driven problem solving, this role will improve productivity, quality, efficiency, cost, safety, and customer service.…
Added 29 mins ago
TS
Digital Marketing Specialist
Technology Solution
Mississauga, ON
- Full-time
…channels. The ideal candidate will combine creative thinking with data-driven decision-making to grow brand awareness, drive website traffic, and generate qualified leads. This role works…
Added 29 mins ago
WT
QA Lead / Test Manager
Wissen Technology
Montreal, QC
- Full-time
Lead testing for data migrations, platform transitions, and system cutovers.
Added 29 mins ago
TC
Regional Marketing Manager - Quebec Zone
Toyota Canada Inc.
Brossard, QC
- Full-time
…Toyota Dealer Associations (TDAs – Tier 2), this role will use data, collaboration and consistent execution to improve marketing effectiveness. Join the team helping Toyota evolve from…
Added 29 mins ago
WC
Senior Analyst, Business Analysis and Insights
Walmart Canada
Mississauga, ON
- Full-time
The Senior Analyst, Business Analysis and Insights will manage the interpretation, analytics reporting, and analysis for key insights and performance recommendations. The role may involve…
Added 29 mins ago
BA
Laboratory analyst - 2
Benzene Analytical Laboratory
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Lead method transfers from clients or partner laboratories, including protocol, comparative testing and report.
Added 30 mins ago
𝗔erospace 𝗢penings
Sapsol Technologies Inc
Montréal-Est, QC
🔹 3. RCCA Lead (Root Cause Corrective Action)
Added 30 mins ago
𝗔erospace 𝗢penings
Sapsol Technologies Inc
Longueuil, QC
🔹 3. RCCA Lead (Root Cause Corrective Action)
Added 30 mins ago
Customer Data Technician, temporary 4-month contract
The Canada Life Assurance Company
Winnipeg, MB · Kitchener, ON
Support the Team Lead by tracking progress on project milestones, data‑mapping exercises, and related deliverables
Added 30 mins ago
TA
Sr. Analytics Consultant
Tiger Analytics Inc.
Remote, Canada
- Full-time
- Remote
Tiger Analytics is an advanced analytics consulting firm. We are the trusted analytics partner for several Fortune 100 companies, enabling them to generate business value from data. Our…
Added 30 mins ago
M
Associate Manager, Audit Operations & Reporting
Manulife
Toronto, ON
- Full-time
Lead the preparation and coordination of Audit Committee, Board, Executive Leadership Team, Audit Leadership Team, and other executive reporting materials.
Added 44 mins ago
RB
Director, Fraud Agentic AI
Royal Bank of Canada
Toronto, ON
- Full-time
…Models(LLM)-based and Agentic AI solutions. You will ensure the Data Science & AI (DSA) team's strengths and efforts are consistently directed toward the highest-impact problems, integrate…
Added 44 mins ago
RB
Manager, FSS Business Operations Support
Royal Bank of Canada
Halifax, NS
- Full-time
Validate the impact of business rule changes to financial reporting, lead user acceptance test plan creation & execution and provide clients with UAT results for signoff
Added 58 mins ago
LV
SEO / GEO SPECIALIST-EN
La Vie En Rose
Montreal, QC
- Full-time
Reporting to the SEO Team Lead and working as part of the SEO team, the SEO/GEO Specialist will be responsible for developing, implementing, monitoring and optimizing online search…
Added 58 mins ago
A
Part-Time Receptionist / Administrative Assistant
ABB
Quebec, QC
- Part-time
At ABB, we help industries run leaner and cleaner - and every person here makes that happen. You’ll be empowered to lead, supported to grow, and proud of the impact we create together. Join…
Added 58 mins ago
KG
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K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
We are seeking an experienced Data & Analytics Solutions Architect to lead the design and implementation of modern enterprise data platforms, advanced analytics solutions, and AI-driven…
Added 58 mins ago
AC
Lead Data Designer
Aviva Canada
Markham, ON
- Full-time
At Aviva, data is at the heart of every customer experience, business decision, and innovation journey. As a Lead Data Designer, you'll play a critical role in shaping our enterprise data…
Added 58 mins ago
A
1836 Data Scientist III
Amyantek
Toronto, ON
- Contract
Reporting to the Director, Data Science, as a Senior Data Scientist a successful candidate will focus on supporting Canadian business units in accelerating the growth and application of…
Added 58 mins ago
CO
ENGINEER
City of Toronto
Toronto, ON
- Full-time
…drinking water treatment, biosolids management, instrumentation & data analytics, utility GHG emissions mitigation and/or energy…
Added 58 mins ago
M
Engineering Lead - Geographic Information Systems (GIS)
Metrolinx
Toronto, ON · Greater Toronto Area, Canada
- $110,854 to $153,872 USD / year
- Full-time
…component of that capability. Through effective governance, data integration, spatial analytics, and cross-functional leadership, the Engineering Lead, GIS will enable the organization…
Added 58 mins ago
TM
Content Marketing Specialist - MRG Live & Rapseason
The MRG Group
Toronto, ON
- $62,500 to $67,500 CAD / year
- Full-time
Data Analytics & ROI Performance: Extract, interpret, and present advanced monthly performance data (using Facebook Business Manager, Sprout Social, and native platform analytics) to…

Citi

Senior Python 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
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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