Java Software Engineer Job at Citi (Mississauga)

Java Software Engineer

Citi

Location:
Canada , Mississauga

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

120800.00 - 170800.00 USD / Year

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Job Description:

Join the Citi Futures Technology team, a dynamic and fast-paced group at the heart of a growing global business. We are seeking a talented Java Engineer to contribute to the architecture, design, and implementation of our Futures Data as a Service post-trade orders & executions application. This is a hands-on role where you will tackle complex technical challenges in a low-latency, high-throughput environment. You will play a key role in building resilient and scalable solutions that directly impact our trade consumption, enrichment and reporting.

Job Responsibility:

Design, build, and maintain high-performance, scalable, and reliable Java-based microservices
Tackle challenging technical problems related to concurrency, low-latency messaging, and large-scale data processing in a distributed environment
Work within a global Agile team to analyze complex business requirements, collaborating with traders, product managers and other key business stakeholders to deliver elegant and effective technical solutions
Uphold and contribute to our high standards for code quality, automated testing (unit, integration), code reviews, and CI/CD practices
Drive the evolution of our platform by leveraging modern technologies like Kafka, Docker, and OpenShift, and contribute to the strategic transformation of our architecture
Take ownership of the full development lifecycle, from design and implementation to deployment and operational support, ensuring the stability and integrity of our production environment
Appropriately assess risk when business decisions are made, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients, and its assets

Requirements:

5+ years of professional experience in hands-on systems analysis and software development
Deep, demonstrable knowledge of server-side Java, including multi-threading, performance tuning, and building robust, scalable solutions
Proven experience in designing and implementing complex, distributed solutions and cloud microservices
Strong expertise with relational databases, including data modeling, query optimization, and performance tuning
Hands-on experience with high-throughput vendor messaging platforms
Solid experience with modern CI/CD pipelines and tools (GitHub, Jenkins, Maven/Gradle)
A strong communicator and collaborator with a proven track record of success in an Agile development environment
Hands-on experience with developing and troubleshooting in a Red Hat Enterprise Linux 8 (or higher) environment

Nice to have:

Subject matter expertise in financial markets, particularly in exchange traded derivatives or futures trading
Experience developing and deploying applications on container platforms like Docker, Kubernetes, or OpenShift
Familiarity with NoSQL databases such as MongoDB
Experience with FIX Protocol
Bachelor's degree (or higher) in computer science, Engineering, or a related field

Additional Information:

Job Posted:
April 27, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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