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Citi Logo Citi · IT - Software Development

Senior Full Stack Java Developer

Canada, Mississauga 94300.00 - 141500.00 USD / Year · Job Posted March 03, 2026
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Job Description

Discover your future at Citi. Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Responsibility

  • Design, develop, and implement new features and functionalities for web applications using Java and related frameworks
  • Develop and maintain robust back-end services, APIs, and databases, with a strong emphasis on the Spring Boot framework
  • Implement engaging and responsive user interfaces using modern front-end technologies
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Write clean, maintainable, and efficient code following best practices and coding standards
  • Participate in code reviews to ensure code quality and share knowledge
  • Troubleshoot, debug, and upgrade existing systems
  • Contribute to all phases of the development lifecycle, including requirements gathering, design, coding, testing, and deployment
  • Optimize applications for maximum speed and scalability
  • Stay up-to-date with emerging technologies and industry trends

Requirements

  • Strong proficiency in Java and deep, hands-on experience with the Spring ecosystem (Spring Boot, Spring MVC, Spring Data, reactive spring)
  • Proven experience building and consuming RESTful APIs and designing microservices with Spring Boot
  • Experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB)
  • Solid understanding of data access layers and ORM frameworks like Spring Data JPA/Hibernate
  • Experience with build tools like Maven or Gradle
  • Proficiency in modern front-end technologies (e.g., HTML5, CSS3, JavaScript/TypeScript)
  • Experience with working on ReactJS and Redux
  • Familiarity with front-end build tools (e.g., Webpack, npm, yarn)
  • Experience with version control systems (e.g., Git)
  • Understanding of software development best practices, including agile methodologies, continuous integration, and continuous delivery (CI/CD)
  • Excellent problem-solving skills and attention to detail
  • Strong communication and interpersonal skills, with the ability to work effectively in a team environment

Nice to have

  • Experience with GraphQL API design and development
  • Familiarity with Spring Cloud for building distributed systems
  • Knowledge of containerization technologies like Docker and orchestration tools like Kubernetes
  • Experience with cloud platforms (e.g., AWS, Azure, GCP)
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