Senior Java Backend Developer CitiDirect

Job in Mississauga, Ontario, Canada

Listing for: Citi

Full Time position
Listed on 2026-10-25

Job specializations:

Software Development
Java Developer, Backend Developer, Senior Developer, Database Engineering

Salary/Wage Range or Industry Benchmark: 121000 - 171000 CAD Yearly CAD 121000.00 171000.00 YEAR

Build Citi Direct payment architecture with Core Java and Spring Framework expertise as a Senior Java Backend Developer working full time. Design scalable backend services supporting Citi’s unified digital gateway for clients.

This senior development role focuses on modernizing Citi Direct’s Payment architecture. You will apply Java, Spring Boot, Spring Cloud, and microservices expertise while building event-driven services with Apache Kafka. The work also includes MongoDB, Oracle, RESTful APIs, security, and testing.

Key Responsibilities:

Design and maintain scalable Java backend services
Implement microservices with Spring Framework 6 and Spring Boot 3
Build event-driven architectures using Apache Kafka
Design schemas and optimize MongoDB and Oracle queries
Mentor junior developers through code reviews

Requirements:

Seven-plus years of Java development experience
Strong Core Java and Spring Framework expertise
Proven microservices architecture experience
Apache Kafka and reactive programming proficiency
Unit and integration testing experience using JUnit and Mockito

Bring senior Java backend development, microservices, Kafka, database, and security expertise to Citi Direct’s payment modernization work.

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