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Citi Logo Citi · IT - Software Development

Senior J2EE Developer

Canada, Mississauga 94300.00 - 141500.00 USD / Year · Job Posted January 29, 2026
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Job Description

The Senior Java/J2EE Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Job Responsibility

  • Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
  • Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
  • Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
  • Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
  • Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
  • Ensure essential procedures are followed and help define operating standards and processes
  • Serve as advisor or coach to new or lower level analysts
  • Has the ability to operate with a limited level of direct supervision
  • Can exercise independence of judgement and autonomy
  • Acts as SME to senior stakeholders and /or other team members
  • 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

  • 5-8 years of relevant experience
  • Experience in systems analysis and programming of software applications
  • Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
  • 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, Hibernate/JPM ORM, Multithreading) including problem-solving and troubleshooting skills
  • Strong hands-on experience in Spring Boot for building scalable and robust applications
  • Strong understanding of OOPS (Object-Oriented Programming) principles, Data Structures, and Algorithms
  • Proficiency in API and Web Services development using REST protocols
  • Proficiency in ORM frameworks like Hibernate/JPA for database interaction
  • Strong experience in Unit testing and ensuring test coverage
  • Experience using Swagger/OpenAPI to define, document, implement, and test APIs
  • Advanced knowledge of Relational Databases (specifically Oracle) and NoSQL databases (specifically MongoDB), including PL/SQL proficiency
  • Experience with Continuous Integration / Continuous Delivery (CI/CD) tools
  • Bachelor’s degree/University degree or equivalent experience

Nice to have

  • Proficiency in Apache Flink for stream processing is a plus
  • Unix shell scripting
  • Knowledge of OpenShift Container Platform
  • Prior experience with building distributed, multi-tier applications is highly desirable
  • Experience with building apps which are highly performant and scalable will be great
  • Python programming
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