Java Software Engineer

Citi • Mississauga, ON

10d

About The Position

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.

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.
• Bachelor’s degree (or higher) in computer science, Engineering, or a related field.

Nice To Haves

• 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

Responsibilities

• Design & Develop: Design, build, and maintain high-performance, scalable, and reliable Java-based microservices.
• Solve Complex Problems: Tackle challenging technical problems related to concurrency, low-latency messaging, and large-scale data processing in a distributed environment.
• Collaborate & Integrate: 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.
• Champion Best Practices: Uphold and contribute to our high standards for code quality, automated testing (unit, integration), code reviews, and CI/CD practices.
• Modernize Our Stack: Drive the evolution of our platform by leveraging modern technologies like Kafka, Docker, and OpenShift, and contribute to the strategic transformation of our architecture.
• Ensure System Resiliency: 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.
• Risk & Compliance: Appropriately assess risk when business decisions are made, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients, and its assets. You will drive compliance with applicable laws, rules, and regulations, apply sound ethical judgment, and escalate control issues with transparency.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees