Build scalable Java applications with ReactJS at Citi as a senior full-stack developer supporting the global OMC platform.
This senior Applications Development Technology Lead position expands and modernizes Citi’s client onboarding technology. You will design microservices, RESTful APIs, and reusable services while guiding developers and communicating with stakeholders. The work supports reliable, scalable, real-time solutions across global business operations.
Key Responsibilities: Lead technical design, architecture, and complex application development
Develop high-performance microservices and RESTful APIs
Guide developers through mentoring, reviews, and constructive feedback
Create reusable components using Citi’s development practices




Support releases and evaluate concepts through Proof-of-Concepts
Requirements: 8+ years of hands-on Java development experience
Experience with Spring, messaging, and Java frameworks
Proficiency in ReactJS, JavaScript, Redux, HTML5, and CSS3
Experience with scalable microservices, APIs, RDBMS, and NoSQL
Bachelor’s degree or equivalent experience
Apply Java, ReactJS, architecture, and mentoring expertise to strengthen Citi’s real-time client onboarding platform.

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📌 Senior Java Full Stack Developer (Ontario)
🏢 Citi
📍 Ontario