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Added 1 min ago
Senior Data Engineer
AgileGrid Solutions
Canada
Full-time
The Data and AI Technology (DAT) Engineering team at BMO is seeking a highly skilled Data Engineer to join our dynamic group. This role involves leading the end-to-end development of data…
Added 1 min ago
JAMS Platform Engineer
LanceSoft, Inc.
Toronto, ON
$65 to $70 CAD / hour
Contract
…platform. The role combines JAMS platform expertise with software engineering| automation and AI capabilities.Key ResponsibilitiesEngineer and administer JAMS Scheduler| including…
Added 1 min ago
JAMS Platform Engineer
Apptoza Inc.
Toronto, ON
Contract
…platform. The role combines JAMS platform expertise with software engineering| automation and AI capabilities.Key ResponsibilitiesEngineer and administer JAMS Scheduler| including…
Added 1 min ago
Manager, Software (Embedded & Digital Products)
Wabtec Corporation
London, ON
Full-time
As the Manager, Software (Embedded & Digital Products), you will report to the Manager, Engineering & Products and lead a multidisciplinary software organization responsible for embedded…
Added 1 min ago
Team Lead, Software Development
Seequent
Calgary, AB
Full-time
Reporting to the Manager, Software Engineering, the Team Lead, Software Development leads a team of technical professionals who collaborate with researchers and AI scientists to deliver…
Added 1 min ago
Senior Software Developer
Seequent
Calgary, AB
Full-time
Reporting to the Team Lead, Software Development, the Senior Software Developer designs, builds, and operates the core services underpinning Evo, Seequent's cloud-based geoscience platform.…
Added 2 mins ago
Clinical Laboratory Technician (15 Month Contract)
VitalBio
Oakville, ON
$40,000 to $50,000 CAD / year
Contract
Release routine results to requesting teams and confirm receipt, escalating results that fall into defined exception categories to the Clinical Lead before release.
Added 18 mins ago
Industrial Mechanic (Millwright) - Clearwater
J.D. Irving, Limited
NB · Saint-Leonard, NB
Full-time
…Limited, you are part of a dynamic team of professionals who lead with integrity and are passionate about delivering results. With a culture that nurtures talent and creates an inclusive…
Added 32 mins ago
Microelectronics Process Engineer
Actalent
Ottawa, ON · Kanata, ON
$110,000 to $160,000 CAD / year
Full-time
…modules and related products. You will combine hands-on process engineering with process architecture responsibilities, translating customer needs into robust manufacturing requirements.…
Added 32 mins ago
Test Technologist
Actalent
Oakville, ON
$25 to $35 CAD / hour
Contract
Collaborate closely with the technical lead and full-time engineers.
Added 32 mins ago
JAMS Platform Engineer
Q1 Technologies, Inc.
Toronto, ON
$60 to $68 CAD / hour
Contract
The role combines JAMS platform expertise with software engineering| automation and AI capabilities.
Added 32 mins ago
Project Engineer – Nuclear Manufacturing
Aplin
Brantford, ON
Full-time
The Project Engineer will serve as the technical lead for assigned projects, coordinating requirements across Engineering, Quality, Procurement, Production, Project Management, customers,…
Added 32 mins ago
Engineering Manager
symplistic.ai
Woodbridge, ON
Internship
We are looking for an Engineering Manager to lead the continued development and delivery of ContentIQ. This is a technical leadership role for someone who can lead engineers while remaining…
Added 32 mins ago
Director of Technology / Directeur ou directrice de la technologie
FENCECORE
Montreal, QC
Full-time
Most MSPs run on tickets, heroics, and tribal knowledge. We're rebuilding ours around automation, AI, and engineering discipline, and we're hiring the leader who will make it happen.
Added 33 mins ago
Senior Manager, Credits & Incentives
BDO
AB · Winnipeg, MB · Guelph, ON · London, ON · Toronto, ON · Oakville, ON · Kitchener, ON · Vancouver, BC · Halifax, NS · Calgary, AB
Full-time
Lead and support Credits & Incentives client engagements, with a focus on the Clean Economy tax credits and capital asset or manufacturing tax credits.
Added 33 mins ago
ASSISTANT VICE-PRESIDENT, DATA & AI
BDC
Montreal, QC
Full-time
Lead, coach and develop Chapter Leads and senior specialists responsible for Data Engineering, Analytics & BI Engineering, Advanced Analytics & AI, and Intelligent Automation capabilities.
Added 33 mins ago
IC Validation Engineer Intern - BS/MS - 2027 Co-Op
Marvell Technology
Ottawa, ON · CA-ON - Ottawa
Full-time
…beyond fleeting trends, Marvell is a place to thrive, learn, and…
Added 33 mins ago
Cost Control Manager
Aecon
Toronto, ON
Integrity. We lead by example, with humility and courage.
Added 33 mins ago
Superintendent
PCL Construction
NB · Fredericton, NB · Halifax, NS · Sherbrooke, NS · PE · Prince Edward Island, Prin · New Denmark Station, New
…success, and that shared commitment drives how we work, grow and lead in the construction…
Added 48 mins ago
Director, Business Operations
Upshop
Mississauga, ON
Own the design of Product & Engineering planning cadences - PI/quarterly planning structure, ceremonies, and calendar - with the Product Operations Lead executing against it.
Added 48 mins ago
Installateur en Système Sécurité CCQ (Compagnon/Apprenti) - Montréal
Siemens
Montreal, QC
Opportunities for advancement within Siemens, including roles such as team lead, project manager, or account manager - express your interest!
Added 48 mins ago
Software Development Manager, Rendering Foundations
Amazon
Vancouver, BC
- Build, lead, and grow a diverse, inclusive, high-performing engineering team, including recruiting, mentoring, motivating, promoting, and performance management.
Added 48 mins ago
Senior Sales Engineer - Data Protection
N-able
ON
Full-time
…compelling product demonstrations, guide technical discovery, lead Proof‑of‑Value (POV) engagements, and help position our cybersecurity and data protection solutions as the trusted choice…
Added 48 mins ago
Director of Product Design
McAfee
UNAVAILABLE, Ontario
Full-time
Lead and influence cross-functionally with Product, Engineering, Research, Marketing, Data, and executive stakeholders to align strategy, scope, trade-offs, and delivery plans.
Added 48 mins ago
Superintendent of Water Treatment
City of Quinte West
Quinte West, ON
This department is responsible for the effective and efficient planning, engineering, maintenance, rehabilitation and operation of the municipal road system, parks and open space, solid…

Citi

Senior Backend Principal Developer - Vice President

Mississauga, ON, Canada

Pay: $120,800.00 - $170,800.00
Job type: Full-time
Apply by: Oct 2, 2026
Experience: 6-10 years of extensive experience in backend software development, with significant experience in architecting and leading complex, large-scale enterprise platforms.
Posting language: English
Posted: Sep 30, 2026

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Original job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

The Senior Backend Principal Developer is a senior level position responsible for developing a robust collection of connected and complementary technical solutions that deliver an enterprise scale framework that serves hundred-thousands of clients and millions of web requests every day. The platform establishes an interconnected experience for both internal and external users by seamlessly integrating existing applications.

Key Responsibilities:

As a Senior Backend Principal Developer, you will be a hands-on technical leader responsible for the design, architecture, and implementation of critical backend services within this integrated digital experience platform. Your expertise will drive the development of highly scalable, secure, and resilient solutions.
Technical Vision & Leadership: Provide technical leadership and strategic direction for backend development, influencing architectural decisions and technology choices.
Hands-on Development: Design, develop, and maintain high-performance, fault-tolerant backend services and APIs using modern programming languages and frameworks. This includes core components for user authentication, authorization, content routing, and data integration.
Architectural Stewardship: Lead the definition and evolution of backend architecture, ensuring alignment with principles of scalability, security, reliability, and maintainability in a federated system.
Security: Implement and enforce robust security measures, including single sign-on (SSO), centralized entitlements, and adherence to cyber defense standards across all backend components.
Performance Engineering: Optimize backend systems for speed and efficiency, incorporating caching strategies, asynchronous processing, and efficient data access patterns.
Integration Design: Architect and implement solutions for integrating diverse Content Provider applications into the unified platform via HTTPS-based interfaces.
Mentorship & Best Practices: Mentor senior developers, conduct in-depth code reviews, and champion best practices in software engineering, including design patterns, testing methodologies, and operational excellence.
Troubleshooting & Problem Solving: Serve as a subject matter expert for complex production issues, leading root cause analysis and resolution efforts for critical backend services.
Collaboration: Partner closely with product management, front-end teams, architects, and infrastructure teams to translate business requirements into technical solutions and deliver features end-to-end.
Compliance: 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:

6-10 years of extensive experience in backend software development, with significant experience in architecting and leading complex, large-scale enterprise platforms.
Demonstrated experience in a Principal or Lead Developer role, with a strong track record of technical leadership and hands-on contribution.
Expert-level proficiency in modern Java backend programming language and associated frameworks.
Deep understanding and practical experience with distributed systems, microservices architectures, and RESTful API design.
Proven experience with identity and access management (IAM) solutions, including SSO protocols (e.g., OAuth2, OpenID Connect) and fine-grained authorization.
Solid experience with cloud-native development principles, containerization (Docker), orchestration (Kubernetes), and Cloud Adoption (GCP and AWS)
Strong knowledge of database technologies, including both relational and NoSQL databases.
Exceptional problem-solving and analytical skills, with the ability to tackle ambiguous problems and drive solutions.
Excellent communication, presentation, and interpersonal skills, capable of influencing technical decisions and collaborating effectively across diverse teams.
Hands-on experience with the other Backend technologies: Unix, Oracle, Any caching solutions and any AI adoption. Good knowledge on the Frontend integration is a plus: ReactJS, Content Security Policy, Adopting Corporate Design System, ADA Compliance

Education:

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

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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.

Apply About employer

More about this job

Responsibilities

The Senior Backend Principal Developer will lead the design, architecture, and implementation of critical backend services for an enterprise-scale digital platform. This role involves providing technical leadership, ensuring system security and performance, and mentoring senior developers to maintain high engineering standards.

Requirements

Candidates must have 6-10 years of experience in backend software development with a strong background in distributed systems and microservices. Expert-level proficiency in Java and experience with cloud-native technologies like Docker, Kubernetes, and major cloud platforms are required.

Skills

Java
Microservices
RESTful API
Cloud-native development
Docker
Kubernetes
GCP
AWS
Relational databases
NoSQL
Identity and access management
OAuth2
OpenID Connect
Unix
Oracle
System architecture

Visa sponsorship

Not detected in the job text

Keywords

Java
Backend development
Microservices
RESTful API
Cloud-native
Docker
Kubernetes
GCP
AWS
Relational databases
NoSQL
Identity and access management
OAuth2
OpenID Connect
Unix
Oracle
System architecture
Enterprise scale
API design
Performance engineering
Security
Single sign-on
Software engineering
Technical leadership
Distributed systems
ReactJS
Content security policy
ADA compliance
AI adoption
Caching

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