Lead Java Developer, Citi

Citi

Location:
Canada, Mississauga

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

120800.00 - 170800.00 USD / Year

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Job Description:

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Job Responsibility:

Design and development of complex systems using Spring, Spring Boot and Spring Cloud, React/Angular, Workflow technologies
Architect and implement microservices-based solutions with focus on scalability, reliability and performance
Apply TDD and test-first development practices across all development stages
Collaborate with cross-functional teams to define, design and deliver new features
Guide the integration and optimization of Oracle and MongoDB in high-performance environments
Implement data access layers using Hibernate and JPA and manage caching using Redis or other caching frameworks
Ensure high quality through effective code reviews, static code analysis and performance optimization
Mentor and guide junior developers and contribute to a culture of continuous improvement
Stay up-to-date with emerging technologies and industry trends, advocating for their adoption where appropriate

Requirements:

Strong-level proficiency in React.js: Demonstrated experience building complex, dynamic, and performant user interfaces. Deep understanding of React ecosystem, state management (e.g., Redux, Context API), and component lifecycle
Strong proficiency in Node.js: Experience designing and implementing scalable RESTful APIs and microservices
Strong proficiency in Java and Spring Boot: Proven experience in building enterprise-grade back-end applications and services
Proven experience in designing and building complex dynamic rendering frameworks/systems. Understanding of server-side rendering (SSR), client-side rendering (CSR), and hydration techniques
Solid understanding and hands-on experience with Microservices Architecture and best practices
Proficient in Hibernate, JPA and working with both relational (Oracle) and NoSQL(MongoDB) databases
Experience with Redis or equivalent for caching and performance optimization
Proven experience with Test-Driven Development (TDD) and Shift-Left testing strategies
Hands-on experience with test automation tools/frameworks such as Junit, Mockito, REST Assured, Cucumber or Selenium
Strong understanding of application performance, monitoring and optimization techniques
Excellent problem-solving skills and ability to lead complex development tasks
Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams
8+ years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Demonstrated leadership skills
Proven project management skills
Expertise in industry practices and standards of application architecture role
Consistently demonstrates clear and concise written and verbal communication
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor's degree/University degree or equivalent experience

Nice to have:

Exposure to API Gateways, Service Discovery and Distributed Tracing
Exposure to Workflow tools (e.g Pega, RHPAM or equivalent workflow tool)
Exposure to Continuous Integration and Continuous Delivery (CI/CD) pipelines, either on-premise or public cloud (i.e., Tekton, Harness, Jenkins, etc.)
Familiarity with DevOps Practices and containerization tools like Docker and orchestration with Kubernetes
Experience with code quality tools (e.g. SonarQube, Checkmarks)
Understanding of security best practices for backend development (OAuth2, JWT, Spring Security)
Proven leadership and team collaboration skills
Strong communication and stakeholder management
Ability to balance technical depth with business priorities
Passion for high-quality, clean and maintainable code

Additional Information:

Job Posted:
November 13, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Lead Java Developer