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Added 13 mins ago
Principal Architect - Platform
Emplo Inc.
Ottawa, ON · Kanata, ON
Full-time
…Kubernetes, DevOps, and cloud/on-prem technologies. As the Sr. Principal Architect/Lead - Platform, you will play a pivotal role in shaping and implementing our platform architecture. Your…
Added 3 hours ago
Responsable senior, Gestion des affaires ingénierie / Senior Engineering, Business Management
Airbus Aircraft
Montreal, QC
Full-time
Le programme d'avions commerciaux A220 est à la recherche d'un(e) Responsable principal(e), Gestion des affaires ingénierie pour rejoindre notre équipe des Services d'ingénierie basée à…
Added 3 hours ago
Scientifique des données / Data Scientist
Airbus Aircraft
Montreal, QC
Full-time
…problèmes, les tendances et les axes d’amélioration avec un focus principal sur la qualité et la cohérence des données produites à l’intérieur de notre écosystème de gestion du cycle de vie…
Added 9 hours ago
CPU Architect Verification Engineer
NUVACORE
Markham, ON
Full-time
…Verification Engineers at multiple levels - from Senior Engineer to Principal level - to help prove that the Nuvacore CPU is architecturally correct. As part of the design verification (DV)…
Added 13 hours ago
Architecte de solutions PLM/PLM Solution Architect
Capgemini Engineering
Montreal, QC
Full-time
Superviser les opérations quotidiennes, attribuer les tâches et agir comme principal point de liaison entre l’équipe et la direction.
Added 13 hours ago
Principal Banking Cloud Architect | Client Partner | Technology Consulting (35568)
Myticas Consulting
Toronto, ON
Full-time
Principal Banking Cloud Architect | Client Partner | Technology Consulting
Added 13 hours ago
Architecte de solutions PLM/PLM Solution Architect
Capgemini Engineering
Montreal, QC
Full-time
Superviser les opérations quotidiennes, attribuer les tâches et agir comme principal point de liaison entre l’équipe et la direction.
Added 13 hours ago
Principal Architect - Platform
Nokia
Ottawa, ON · Kanata, ON
Full-time
…Kubernetes, DevOps, and cloud/on-prem technologies. As the Sr. Principal Architect/Lead - Platform, you will play a pivotal role in shaping and implementing our platform architecture. Your…
Added 13 hours ago
Senior Backend Principal Developer - Vice President
Citi
Mississauga, ON
Full-time
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…
Added 15 hours ago
Senior Strategy Director
Level Agency
Remote, Canada
Full-time · Remote
Proven media strategy and planning experience, with the ability to architect full-funnel, multi-stage media plans that mature clients' programs beyond performance marketing into up
Added 15 hours ago
Architecte de solutions PLM/PLM Solution Architect
Capgemini
Montreal, QC
Superviser les opérations quotidiennes, attribuer les tâches et agir comme principal point de liaison entre l’équipe et la direction.
Added 16 hours ago
CPU Architect Verification Engineer
NUVACORE
Markham, ON
$140,000 to $250,000 USD / year
Full-time
…Verification Engineers at multiple levels - from Senior Engineer to Principal level - to help prove that the Nuvacore CPU is architecturally correct. As part of the design verification (DV)…
Added 16 hours ago
Architecte de solutions PLM/PLM Solution Architect
Capgemini
Montreal, QC
Superviser les opérations quotidiennes, attribuer les tâches et agir comme principal point de liaison entre l’équipe et la direction.
Added 17 hours ago
Engineering Director , Nuclear
Worley
Markham, ON
Full-time
…leadership team, the role serves as the senior technical lead and principal engineering interface, supporting the Project Director in engagements with the owner organization, regulators,…
Added 18 hours ago
Responsable senior, Gestion des affaires ingénierie / Senior Engineering, Business Management
Airbus
Montreal, QC · Mirabel, QC
Full-time
Le programme d'avions commerciaux A220 est à la recherche d'un(e) Responsable principal(e), Gestion des affaires ingénierie pour rejoindre notre équipe des Services d'ingénierie basée à…
Added 18 hours ago
Scientifique des données / Data Scientist
Airbus
Montreal, QC · Mirabel, QC
Full-time
…problèmes, les tendances et les axes d’amélioration avec un focus principal sur la qualité et la cohérence des données produites à l’intérieur de notre écosystème de gestion du cycle de vie…
Added 18 hours ago
Principal Defence Systems Engineer
SkyWatch
Ottawa, ON
Full-time
10+ years building production software, including 3+ years as a principal, architect or technical lead on secure or defence systems.
Added 22 hours ago
Principal, Cloud Strategy & Autonomous Enterprise
Intact
Montreal, QC
Full-time
Reporting to the VP, Cloud and Platform Engineering, the Principal Advisor is both a visionary and a practitioner, serving as the top technical authority for the Cloud and Platform…
Added 22 hours ago
Principal Consultant, Secure Microsoft 365 Collaboration and AI
CrucialLogics
Canada
Full-time
As a Principal Consultant, you will lead enterprise clients in transforming their Microsoft 365 collaboration environments, focusing on SharePoint Online, Power Platform, and AI-driven…
Added 1 day ago
Senior Technical Program Manager
CNN
Ottawa, ON · Kanata, ON
Full-time
…and need sustained influence with Vice Presidents, Directors, principal-level practitioners, and the teams doing the…
Added 1 day ago
Development Team Lead
UniSysTech Consulting
Toronto, ON · Greater Toronto Area, Canada
Other
Cloud & Serverless Architecture: Architect and maintain serverless backend microservices using AWS Lambda, API Gateway, DynamoDB/Aurora, and related AWS cloud technologies.
Added 1 day ago
Project Engineering Director
Worley
Markham, ON
Full-time
…leadership team, the role serves as the senior technical lead and principal engineering interface, supporting the Project Director in engagements with the owner organization, regulators,…
Added 1 day ago
Principal Cloud & AI Apps Solution Engineer
Microsoft
Toronto, ON
Full-time
Certification in relevant technologies or disciplines (e.g., Office 365, Power BI, Azure Architect and Development exams, Cloud Platform Technologies, Information Security, Architecture).
Added 1 day ago
Station Manager, Construction Technical Office
Ontario Transit Group - Ontario Line - Southern Civil, Stations & Tunnel
Toronto, ON
Full-time
…scope during the construction phase. The role provides the principal interface among design disciplines, Designers, construction teams, stakeholders, and OTG teams to resolve design issues,…
Added 1 day ago
Principal, Infrastructure Architecture
RBC
Toronto, ON · Mississauga, ON
Full-time
You will join Tech Infrastructure group as Principal, Infrastructure Architecture working on Infrastructure Architecture as a Code initiatives. The Infrastructure Architecture team is…

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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