Senior Java Engineer - Markets Risk & Trading Platform

Citi; Mississauga; On-site; CAD 121,000 - 171,000; Full time

Job summary

Citi in Mississauga is seeking a Senior Java Developer to join a markets-wide risk platform. You will apply Java 17+, design robust microservices, and collaborate with trading systems across markets to ensure reliability and performance.

You will mentor junior developers, define testing standards, and contribute to architecture decisions, while working within a globally distributed technology team. This full-time role offers challenging, impactful work in a dynamic financial environment.

Qualifications

• 8+ years of relevant experience.
• Extensive Core Java 17+ experience with data structures and design patterns.
• Hands-on Microservices experience.
• Experience with messaging systems like Kafka and Solace.
• Proficiency in Spring and cloud technologies (Docker/Kubernetes/OpenShift).
• Familiarity with Jira, Bitbucket, and Gradle.
• Experience with document databases (MongoDB).
• Experience in multi-threaded distributed systems.
• Experience with testing frameworks (JUnit/Cucumber).
• Solid understanding of the FIX protocol.

Responsibilities

• Collaborate with management to integrate functions and identify system enhancements.
• Solve critical issues by evaluating complex business and system processes.
• Apply Java expertise and ensure architectural alignment.
• Develop coding standards for testing, debugging, and implementation.
• Understand the integration of business areas, architecture, and infrastructure.
• Analyze problems and create innovative solutions.
• Mentor junior developers and analysts.

Skills

Core Java

Microservices

SOLID

JUnit/Cucumber

Tools

Spring framework

Docker

Kubernetes

OpenShift

Jira

Bitbucket

Gradle

MongoDB

Job description

Citi in Mississauga is seeking a Senior Java Developer to join a markets-wide risk platform. You will apply Java 17+, design robust microservices, and collaborate with trading systems across markets to ensure reliability and performance.

You will mentor junior developers, define testing standards, and contribute to architecture decisions, while working within a globally distributed technology team. This full-time role offers challenging, impactful work in a dynamic financial environment.