Job Information
Citigroup Lead Backend Developer in Mississauga, Ontario
Role Summary
Senior technology leader with responsibility for designing, building, and delivering scalable enterprise applications and data platforms supporting regulatory and internal risk management. Leads systems analysis, application development, and technical strategy while mentoring engineers and ensuring alignment with enterprise architecture, risk, and compliance standards.
Key Responsibilities
Lead the design and development of scalable, high‑performance data ingestion solutions for enterprise data lakes using Apache Spark, Hadoop , and related big‑data technologies
Architect and implement Apache Airflow clusters to orchestrate enterprise data pipelines (DAGs)
Design and deliver BI and analytics reporting solutions , including automation of reporting and release processes
Build and maintain data quality, data governance, and control frameworks
Develop engineering tools and best practices to improve developer productivity, code quality, and operational readiness
Design solutions and frameworks to enhance risk management, controls, and compliance
Provide hands‑on technical leadership and ensure solutions align with enterprise architecture and firmwide standards
Partner with architecture, infrastructure, and business teams to deliver integrated solutions aligned to business objectives
Perform complex system analysis and lead problem‑solving using sound engineering judgment
Mentor and coach mid‑level engineers; guide work allocation and technical execution
Proactively assess and manage risk, ensuring compliance with regulatory requirements, internal policies, and ethical standards
Technology & Skills Profile
Core Engineering
Java or Python (5+ years)
Object‑Oriented and Functional Programming
RESTful APIs, OpenAPI / Swagger
Java/J2EE application development
Data & Platforms
Big‑data ecosystems: Spark, Flink, Kafka
Data lakes, batch and streaming pipelines
Data quality, governance, and controls
Architecture & DevOps
Microservices architecture and design patterns
Containers and orchestration: Docker, Kubernetes, OpenShift
CI/CD and release automation
On‑prem and hybrid cloud environments
Cloud (Preferred)
- Experience with AWS, Azure, or GCP
Leadership & Delivery
Proven experience leading and delivering complex, enterprise‑scale technology initiatives
Strong systems analysis and solution‑design skills
Ability to manage shifting priorities in a fast‑paced environment
Demonstrated technical leadership, collaboration, and mentoring capabilities
Clear and concise written and verbal communication skills
Education
Bachelor’s degree or equivalent practical experience required
Master’s degree preferred
Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location Full Time Salary Range:
$120,800.00 - $170,800.00
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
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.
This job opening is for an existing job vacancy.
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.
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Citi is an equal opportunity and affirmative action employer.
Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.