Senior Full-Stack Java Engineer — Global Impact

Citi; Mississauga; On-site; CAD 94,000 - 142,000; Full time

Job summary

Citi in Mississauga is seeking a Senior Full Stack Developer to join the Oracle Ledger Program, building core services and user interfaces for critical financial systems across Citi's organization. You will work with a high-performing technology team to develop full stack applications, drive technical solutions end-to-end, and provide expert-level support across a global delivery model.

This role emphasizes end-to-end delivery, collaboration with business users, and adherence to engineering

Qualifications

• Experience in software development with a focus on full stack engineering across enterprise applications.
• Backend in Java with REST API experience in production.
• Frontend with Angular or React for responsive interfaces.
• Selenium automation testing experience.
• End-to-end software project delivery under deadlines.
• Advanced production support and root-cause analysis.

Responsibilities

• Design, develop, and maintain full stack applications for the Oracle Ledger Program, building both frontend interfaces and backend services to meet evolving business requirements.
• Build and enhance common services and user interfaces using Java, Angular or React, and REST APIs, ensuring high-quality, scalable, and maintainable code.
• Lead the full development lifecycle across analysis, design, construction, testing, and implementation to deliver reliable software on schedule.
• Provide L3 technical support as part of an around-the-sun global support model, diagnosing and resolving complex application issues with minimal disruption.
• Collaborate with business users and cross-functional technology teams to translate requirements into practical technical solutions and recommend the most effective engineering approaches.
• Develop and implement automated test coverage using Selenium to validate functionality and protect system integrity across releases.
• Define and uphold engineering standards and best practices, contributing to a consistent and maintainable codebase across the team.
• Act as a subject matter expert for senior stakeholders and teammates, providing technical guidance and mentoring less experienced developers.

Skills

Full stack engineering

Java backend

Angular or React

Selenium testing

Project delivery

Advanced application support

Education

Bachelor's degree or equivalent

Tools

Python scripting

Job description

Citi in Mississauga is seeking a Senior Full Stack Developer to join the Oracle Ledger Program, building core services and user interfaces for critical financial systems across Citi's organization. You will work with a high-performing technology team to develop full stack applications, drive technical solutions end-to-end, and provide expert-level support across a global delivery model.

This role emphasizes end-to-end delivery, collaboration with business users, and adherence to engineering