Lead Full Stack Developer Job at Citi (Mississauga)

Lead Full Stack Developer

Citi

Location:
Canada , Mississauga

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

120800.00 - 170800.00 USD / Year

Save Job

Apply Position

Job Description:

We are seeking a talented and passionate individual to join our Full-Stack development team. This role offers a unique opportunity to significantly impact the global client onboarding experience by building the future of our platform. The successful candidate will gain valuable exposure to a large-scale, modern technology platform with global reach, playing a crucial role in shaping how we serve our clients.

Job Responsibility:

Apply strong design principles and adhere to complex architectural standards
Develop common, reusable components and services, adhering to Citi’s best practices
Design and develop high-performance, low-latency applications within existing Citi frameworks
Ensure the reliability, scalability, and performance of developed components
Adopt an engineering mindset, thoroughly understanding use-cases, estimating volume and compute velocity requirements, and openly discussing implementation challenges and solutions
Actively contribute to system design and architectural decisions
Evaluate new strategic initiatives through Proof-of-Concepts (POCs) and transition successful concepts into robust, industrial-grade solutions
Provide post-release support to business, development, and support teams
Develop applications adhering to best practices, including Test-Driven Development (TDD), high unit test coverage, and Continuous Integration (CI)

Requirements:

5+ years of hands-on Java development experience, including Spring, real-time messaging, and associated Java frameworks
Proven experience developing and maintaining highly scalable, real-time microservices and RESTful APIs
Proficiency in ReactJS and core front-end technologies: HTML5, CSS3, JavaScript (ES6+), Redux
Experience with real-time messaging middleware (e.g., Kafka, RabbitMQ, Solace, Tibco)
Hands-on experience with database technologies, including RDBMS (e.g., Oracle) and NoSQL (e.g., MongoDB)
Strong fundamentals in software development, data structures, design patterns, Object-Oriented Programming (OOP), architecture, algorithms, and problem-solving
Bachelor’s degree/University degree or equivalent experience

Nice to have:

Experience with in-memory datastore/cache libraries (e.g., Redis, Apache Ignite, Gemfire)
Exposure to Kotlin
Experience with system performance tuning and low-latency Java programming
Experience working with multi-threaded applications
Experience with CI/CD pipelines
Test-driven development, including Unit and End-to-End Testing

Additional Information:

Job Posted:
March 13, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

Citi - All Job Offers

Job Link Share: