Senior Java/J2EE Lead Developer, Citi

Citi

Location:
Canada, Mississauga

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The Backend Developer – Java, Flink, kafka 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/develop applications systems analysis and programming activities.

Job Responsibility:

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Conduct in-depth analysis and develop innovative solutions to identified issues
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency

Requirements:

6-10 years of relevant experience in Apps Development or systems analysis role
Consistently demonstrates clear and concise written and verbal communication
Experience in large-scale enterprise application development with the ability to write “clean code” using modern Java technologies (Core Java, Java EE, Spring Boot, Spring Microservices, Multithreading) including problem-solving and troubleshooting skills
Strong experience in Spring Boot for building scalable and robust applications
Strong understanding of OOPS (Object-Oriented Programming) principles, Data Structures, and Algorithms
Experience with stream processing frameworks such as Apache Flink, Apache Beam, or other framework, including experience converting real-time streams into OLAP formats such as Iceberg
Experience using Swagger/OpenAPI to define, document, implement, and test APIs
Experience with High-Speed Messaging platforms, particularly Kafka
Proficiency in Hibernate/JPA for ORM (Object-Relational Mapping) and database interaction
Proficiency in API and Web Services development using REST, GraphQL, gRPC protocols
Strong experience in Unit testing and ensuring test coverage
Solid understanding of cloud platforms, particularly Docker and Kubernetes
Advanced knowledge of Relational Databases (specifically Oracle) and NoSQL databases (specifically MongoDB), including PL/SQL proficiency
Expertise in Authentication and Authorization using protocols such as OAuth 2.0, OpenID Connect (OIDC), and SAML 2.0, and security best practices including secure coding principles, vulnerability scanning, and penetration testing
Experience with Continuous Integration / Continuous Delivery (CI/CD) tools

Nice to have:

Unix shell scripting
Knowledge of Elasticsearch
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
Python programming

Additional Information:

Job Posted:
July 30, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Java/J2EE Lead Developer