Job Overview The position is for a senior full-stack developer with 6-8 years of experience, specializing in building enterprise-scale applications. This role is suited for a strong React-focused full stack developer with prior experience in Angular and Java-based backend systems, contributing to modern, scalable, and cloud-native applications.
Responsibilities Design, develop, and maintain scalable full stack applications with a focus on React.js and modern UI architecture
Core Skills: Expert-level proficiency in contemporary JavaScript frameworks (React.js/Angular), JavaScript (ES6+), TypeScript, HTML5, and CSS3.
Modernize legacy Angular applications into React-based solutions
Develop backend services using Java (17+), Spring Boot, and microservices architecture
Proven experience building RESTful web services and API gateways, such as Apigee
Build and maintain event-driven data pipelines with real-time data processing using Kafka.
Database Integration: Integrate applications with both SQL (Oracle, PostgreSQL) and NoSQL databases, utilizing caching solutions where appropriate.
Proficiency with version control systems such as Git, GitHub, or Bitbucket.
Experience with CI/CD tools like Jenkins, Harness or Tekton.
Integrate with Oracle and NoSQL databases (MongoDB)
Standards: Knowledge of responsive design principles, accessibility (ADA compliance), and end-to-end UI deployment strategies.
Proficiency with build tools like Maven or Gradle and unit testing frameworks (e.g., JUnit, Mockito).
Support CI/CD pipelines using Jenkins, TeamCity, or similar tools
Work with Docker, Kubernetes, and OpenShift for containerized deployments
Use AI-assisted development tools (e.g.,



GitHub Copilot) to enhance productivity
Monitor applications using ELK, Grafana, and resolve production issues
Demonstrated ability to build and maintain large-scale data processing applications.
Preferred Skills Experience with data virtualization systems like Starburst.
Experience with Python for scripting or data manipulation.
Experience with QA automation frameworks and strategies for large-scale data processing.
Familiarity with job scheduling tools like Autosys or ETL processes like SSIS.
Experience with AI coding assistants
Qualifications 5–8 years of experience in full stack development
Strong coding, problem-solving, and debugging skills
Experience working in Agile and global team environments
Education Bachelor’s degree in computer science, Engineering, or equivalent experience
Job Family Group: Technology
Job Family: Applications Development
Time Type: Full time
Primary Location Full Time Salary Range: $94,300.00 - $141,500.00
This job opening is for an existing job vacancy.
Most Relevant Skills Please see the requirements listed above.
Equal Opportunity Statement Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.

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📌 Java Full Stack Developer - React JS - Assistant Vice President (Ontario)
🏢 Citibank (Switzerland
📍 Ontario