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Added 18 hours ago
K
FULLSTACK ENGINEER
Kablamo
Toronto, ON
- Full-time
Experience with back-end programming languages (Python, Go, JavaScript, Java, C#)
Added 18 hours ago
FG
Site Reliability Engineer | Release Management & Automation Specialist
FDM Group
Toronto, ON
- Contract
Added 18 hours ago
W
Data Scientist, Sales & Cargo Analytics
WestJet
Calgary, AB
- Full-time
Strong proficiency in SQL and Python or R, plus experience with tools such as Snowflake, Shiny, Streamlit, and VBA
Added 18 hours ago
RB
Full Stack Engineer
Royal Bank of Canada
Vancouver, BC
- Full-time
Work primarily with .NET stack, however also leveraging Python for scripting and automation use cases
Added 18 hours ago
H
Verification Engineer
Hexagon
Calgary, AB
- Full-time
Implement and maintain tests and tools (primarily in Python)
Added 18 hours ago
Data Developer
Aylo Careers
Montreal, QC
Python for data transformation, pipeline development, or analysis
Added 18 hours ago
B
Senior Analyst, Credit Risk Model Validation
BMO
Toronto, ON · FCP
- Full-time
Proficiency in a programming language such as Python, R, and SAS (Python is preferred).
Added 18 hours ago
P
Operations and Procurement Senior Associate
PwC
Victoria, BC · Vancouver, BC
- Full-time
Familiarity with data tools or programming languages (SQL, Python, Alteryx) is an asset; and strong analytical and modeling skills using simulation tools and AI.
Added 18 hours ago
WB
Chef.fe d’équipe, conception technique / Lead Technical Designer
Warner Bros. Discovery
Montreal, QC
- Full-time
Expérience en scriptage en complément des Blueprints (ex. Python pour les outils de l’éditeur). La capacité à lire du C++ est un atout important.
Added 18 hours ago
SL
Director, AI Engineering
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
· Proficiency with Python and experience with data integration, data pipelines or extract, transform and load processes.
Added 18 hours ago
SL
Manager Forecasting, Workforce Management
Sun Life
Toronto, ON · Waterloo, ON · Montreal, QC · Sun Life Montreal Metcalfe
- Full-time
Proven experience building and managing forecasting models using multiple toolsets including Python and AWS Sagemaker
Added 18 hours ago
C
Full Stack Support Engineer, Vice President
Citi
Mississauga, ON
- Full-time
Apply SQL, ETL tools, Unix or shell scripting, and Python to diagnose issues and maintain microservices-based application environments.
Added 18 hours ago
PG
Chatbot Developer
Pacer Group
Toronto, ON
- $42 to $45 CAD / hour
- Contract
Chatbot Content Developer- Documentation Modernization AI Enablement will be responsible to Review| analyze| and improve technical documentation used as chatbot knowledge sources.
Added 18 hours ago
A
Data Developer
Aylo
Toronto, ON
- Full-time
Python for data transformation, pipeline development, or analysis
Added 18 hours ago
J(
Kubernetes Administrator
JSG (Johnson Service Group, Inc.)
Calgary, AB
- Contract
Develop and maintain automation solutions using Bash, Python, PowerShell, or comparable scripting languages.
Added 18 hours ago
FS
Senior Python Developer
Futran Solutions
Mississauga, ON
- Full-time
Strong Python development with solid object-oriented and functional design skills.
Added 19 hours ago
SEM Intelligence Specialist
Okanagan College
Kelowna, BC
Demonstrated proficiency with data-visualization and BI tools (Power BI, Tableau, advanced Excel), SQL, and Python or R for data analysis.
Added 19 hours ago
F
Early Careers: Technical Content DevOps Developer
Fortinet
Burnaby, BC
- Full-time
…graduate to join us as an Early Careers: Technical Content DevOps Developer and help build the AI-powered tools and pipelines behind our technical…
Added 19 hours ago
O
Staff Verification Engineer
OpTalent
Toronto, ON
- Full-time
Write Python scripts to control lab equipment, analyze data and produce plots
Added 19 hours ago
LC
Engineering Manager, Agentic AI & Machine Learning
Loblaw Companies Limited
Toronto, ON
- Full-time
Strong software engineering fundamentals, with proficiency in Python and experience building APIs, distributed systems, and cloud-native applications.
Added 19 hours ago
FI
Quality Engineer - Mainframe
FP Inc.
Toronto, ON · Scarborough, ON
- $50 to $65 CAD / hour
- Contract
In-depth knowledge of programming languages (Python, Javascript, Java), testing frameworks, and utilities
Added 19 hours ago
Senior Specialist, Modelling
CMHC - SCHL
Toronto, ON · Ottawa, ON · Montreal, QC · Vancouver, BC · Halifax, NS · Calgary, AB
…econometrics, economic capital modelling, and statistical analysis (Python, R, SAS), while establishing performance metrics, comprehensive documentation and change management…
Added 19 hours ago
C
Software Engineer - Crowdsourcing Platform
Calder
Toronto, ON
- Full-time
Proficient programming skills in python, node.js, and/or rust.
Added 19 hours ago
RE
Principal Engineer Physical AI Systems Modeling
Renesas Electronics
Ottawa, ON
- Full-time
· Strong software development experience in Python and C/C++ using CPU- and GPU-based environments, version control, testing, and reproducible experimentation.
Added 19 hours ago
RE
Staff Engineer Physical AI Systems
Renesas Electronics
Ottawa, ON
- Full-time
…reproducible evaluation, and sim-to-real workflows; strong Python and C/C++ development skills in embedded, and distributed CPU-, or GPU-based…

Citi

Full Stack Support Engineer, Vice President

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: Nov 14, 2026
Posting language: English
Posted: Nov 6, 2026

Original job description

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 Enterprise 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.

Position Overview

As a Full Stack Support Engineer, you will take ownership of complex application issues and lead the enhancements that keep key banking systems running reliably. You will partner with technology and business teams to define system requirements, resolve high-impact problems, and guide analysts across the function. This role sits at the center of Citi's technology operations, where your expertise directly shapes the performance and stability of applications that support the business.

Responsibilities

Lead application support for complex, high-impact systems, resolving issues through detailed analysis of business processes and system logic.
Partner with multiple technology teams to integrate systems and functions, ensuring enhancements align with business goals.
Define the scope and objectives for complex application enhancements, translating business needs into clear technical requirements.
Work with product owners, business analysts, and systems analysts to determine system impacts and support needs.
Identify risks, vulnerabilities, and security issues within applications, and recommend practical solutions to address them.
Apply SQL, ETL tools, Unix or shell scripting, and Python to diagnose issues and maintain microservices-based application environments.
Mentor and guide junior support analysts, allocating work and sharing technical expertise across the team.
Communicate the business impact of technical decisions to stakeholders, influencing functional outcomes.

Required Qualifications & Skills

6+ years of experience leading application support, ideally within banking or financial services.
Strong problem-solving and strategic thinking skills, developed through leading requirement-gathering efforts across multiple large-scale development projects.
Demonstrated leadership and relationship-building skills, with a service-oriented approach to working in a fast-paced environment.
Strong working knowledge of SQL, applied to analyze data and resolve complex application issues.
Solid understanding of ETL processes, combined with hands-on Unix or shell scripting skills for application troubleshooting.
Working knowledge of Python and a clear understanding of microservices-based architecture.
Bachelor's degree in a relevant field, with availability to work occasional weekends during critical incidents, for which compensatory leave is provided.

Beneficial Skills & Qualifications

More than 10 years of total professional experience.
Hands-on experience with ETL tools such as Spark or Abinitio.
Master's degree in a relevant field.

What We Offer

Joining Citi's technology organization means working at the center of a global bank's operations, with the scope to lead, mentor, and make a measurable impact on the systems that keep the business running.

A hybrid working model, with 3 days in the office and 2 days working remotely, to support work-life balance.
Opportunities to mentor junior analysts and build your leadership profile within a global technology team.
Access to learning and development programs that support long-term career growth.
Compensatory leave provided for any weekend work completed during critical incidents.
Collaboration with technology and business teams across Citi's global network.
Financial wellbeing and family support programs designed to support you beyond the workplace.

Apply now to lead application support and help shape the technology that powers Citi's global operations.

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Job Family Group:

Technology

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Job Family:

Applications Support

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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

Ab Initio, Apache Spark, Data ETL, Microservices Architecture, Python (Programming Language), Structured Query Language (SQL), Unix Shell.

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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 application support for complex, high-impact banking systems while partnering with technology and business teams to define requirements. You will resolve high-impact problems, mentor junior analysts, and ensure system enhancements align with business goals.

Requirements

Requires 6+ years of experience in application support, preferably within the financial services sector. Candidates must possess strong technical proficiency in SQL, ETL, Unix/Shell scripting, Python, and microservices architecture.

Skills

Application support
SQL
ETL
Unix
Shell scripting
Python
Microservices architecture
Leadership
Strategic thinking
Problem solving
Data analysis
Spark
Abinitio
Requirement gathering
Relationship building

Benefits

Hybrid working model
Compensatory leave
Learning and development programs
Financial wellbeing programs
Family support programs

Visa sponsorship

Not detected in the job text

Keywords

Full Stack Support Engineer
Banking
Financial Services
Application Support
SQL
ETL
Unix
Shell Scripting
Python
Microservices
Spark
Abinitio
Data Analysis
System Architecture
Leadership
Mentorship
Requirement Gathering
Risk Management
Security
Hybrid Work
Enterprise Operations
Technology
Business Analysis
Stakeholder Management
Application Enhancements

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