Senior Full Stack Developer Job at Citi (Mississauga)

Senior Full Stack Developer

Citi

Location:
Canada , Mississauga

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

120800.00 - 170800.00 USD / Year

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Job Description:

We are looking for a highly skilled and experienced Senior Full Stack Developer with expertise in Java, Spring Boot, Angular, Docker, and Kubernetes. The ideal candidate will be responsible for designing, developing, and deploying scalable web applications while ensuring seamless integration between front-end and back-end systems. You will play a key role in implementing containerized applications and managing deployments using Kubernetes.

Job Responsibility:

Design, develop, and maintain scalable and high-performance web applications using Java, Spring Boot, and Angular
Build and integrate RESTful APIs to enable seamless communication between front-end and back-end systems
Develop reusable and modular Angular components, services, and directives
Implement microservices architecture and containerize applications using Docker
Orchestrate and manage containerized applications using Kubernetes
Collaborate with cross-functional teams, including UI/UX designers, QA engineers, and DevOps teams, to deliver high-quality software solutions
Implement security best practices, including authentication and authorization using Spring Security and JWT
Write clean, maintainable, and well-documented code following industry best practices
Participate in code reviews, provide constructive feedback, and mentor junior developers
Work in an Agile/Scrum environment and contribute to sprint planning, daily stand-ups, and retrospectives
Deploy applications on cloud platforms such as AWS or OpenShift using Docker and Kubernetes
Proactively identify system bottlenecks and lead initiatives to optimize application performance, ensuring high availability and responsiveness
Establish and enforce stringent coding standards, conduct architectural reviews and thorough code reviews, promoting clean, maintainable, and well-documented code
Proactively identify emerging technologies and drive technical initiatives to continuously improve system architecture, development processes, and overall engineering excellence

Requirements:

6+ years of professional experience in full-stack development
Proven experience in designing and implementing complex, scalable, and high-performance enterprise-level applications
Expert-level proficiency in Java (8/11/17+) and Spring Boot, including advanced features, reactive programming, and performance tuning
Expert-level hands-on experience with Angular (8/10/12+) and TypeScript, including architectural patterns, state management (e.g., NgRx), and performance optimization techniques for large-scale applications
Proficient in building RESTful APIs and integrating them with front-end applications
Experience with containerization using Docker and orchestration using Kubernetes
Strong understanding of microservices architecture and event-driven systems
Experience with relational databases like Oracle
Knowledge of front-end technologies, including HTML5, CSS3, and JavaScript (ES6+)
Familiarity with state management libraries like NgRx or Redux
Experience with testing frameworks like JUnit, Mockito, Jasmine, and Karma
Knowledge of cloud platforms like AWS (EC2, S3, RDS) or OpenShift
Strong problem-solving skills and attention to detail
Demonstrated strong leadership skills, with a proven track record of successfully mentoring junior developers, and fostering technical growth
Excellent communication and teamwork skills
Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field

Nice to have:

Experience with CI/CD pipelines and tools like Teamcity, tekton, GitHub and etc.
Good understanding with caching mechanisms like Elastic
Knowledge of monitoring tools like Prometheus and Grafana
Certifications in Java, AWS, Docker, or Kubernetes are a plus
Experience in leveraging GitHub Copilot and other AI tools

Additional Information:

Job Posted:
January 20, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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