Senior Java Full Stack Developer
Job in
Mississauga, Ontario, Canada
Listed on 2026-10-22
Listing for:
Citi
Full Time
position Listed on 2026-10-22
Job specializations:
-
Software Development
Java Developer, Full Stack Developer, Backend Developer, React.js
Job Description & How to Apply Below
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 No
SQL
Bachelor’s degree or equivalent experience
Apply Java, ReactJS, architecture, and mentoring expertise to strengthen Citi’s real-time client onboarding platform.
Position Requirements
10+ Years
work experience
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