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Citi Logo Citi · IT - Software Development

Senior Lead Java Developer

Canada, Mississauga 145100.00 - 217700.00 USD / Year · Job Posted May 04, 2026
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Job Description

We are seeking for a "Sr Technology Lead Analyst" to join our team; this is a senior role responsible for overseeing the design and implementation of new or enhanced application systems in collaboration with the Technology team. The focus of this position is on leading the analysis, programming, and development efforts for these application systems.

Job Responsibility

  • Collaborate with multiple teams to integrate functions effectively, ensuring goals are met while identifying and defining system enhancements for new product deployments and process improvements
  • Address complex, high-impact issues by thoroughly evaluating business processes, system workflows, and industry standards
  • Provide subject-matter expertise in applications programming and ensure that application designs align with the overarching architecture framework
  • Leverage advanced system knowledge to establish standards for coding, testing, debugging, and deployment
  • Gain a comprehensive understanding of how different business areas, such as architecture and infrastructure, collaborate to achieve business objectives
  • Conduct in-depth analysis and develop innovative solutions to identify issues
  • Act as a mentor and advisor to mid-level developers and analysts, distributing tasks as necessary
  • Assess risks associated with business decisions, maintaining a strong focus on the company’s reputation, client assets, and compliance with laws and regulations, ensuring ethical conduct and transparency in handling control issues

Requirements

  • Minimum of 8 years of relevant experience in large-scale enterprise application development using modern Java technologies (Core Java, Java EE, Spring Boot, Spring Microservices)
  • Strong understanding of OOPS (Object-Oriented Programming) principles, Data Structures, and Algorithms
  • Extensive experience in designing and developing integrated solutions with non-functional requirements such as scalability, availability, and consistency
  • Expertise in problem-solving and troubleshooting, with the ability to write clean code using Core Java, J2EE, Collections, and Multithreading
  • Proficiency in API and Web Services development using REST protocols
  • Strong experience in Unit testing and ensuring test coverage
  • Solid understanding of cloud platforms, particularly Docker and Kubernetes
  • Experience using Swagger/OpenAPI to define, document, implement, and test APIs
  • Familiarity with Standard and Enterprise Design Patterns
  • Experience with High-Speed Messaging platforms, particularly Kafka
  • Advanced knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate)
  • Expertise in Authentication, Authorization, and security protocols
  • Experience with Continuous Integration / Continuous Delivery (CI/CD) tools
  • Proven ability to communicate effectively both verbally and in writing
  • Subject Matter Expert (SME) in at least one area of Application Development

Nice to have

  • Unix shell scripting
  • Knowledge of ElasticSearch, and GraphQL
  • Knowledge of OpenShift Container Platform
  • Distributed caching solutions (Hazelcast or Redis)
  • Prior experience with building distributed, multi-tier applications is highly desirable
  • Experience with building apps which are highly performant and scalable will be great
  • Knowledge of AI/ML, LLMS
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